Table of contents for issues of Scientific American

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Volume 22, Number 1, January 1, 1870
Volume 22, Number 2, January 8, 1870
Volume 22, Number 3, January 15, 1870
Volume 22, Number 4, January 22, 1870
Volume 22, Number 5, January 29, 1870
Volume 22, Number 6, February 5, 1870
Volume 22, Number 7, February 12, 1870
Volume 22, Number 8, February 19, 1870
Volume 22, Number 9, February 26, 1870
Volume 22, Number 10, March 5, 1870
Volume 22, Number 11, March 12, 1870
Volume 22, Number 12, March 19, 1870
Volume 22, Number 13, March 26, 1870
Volume 22, Number 14, April 2, 1870
Volume 22, Number 15, April 9, 1870
Volume 22, Number 16, April 16, 1870
Volume 22, Number 17, April 23, 1870
Volume 22, Number 18, April 30, 1870
Volume 22, Number 20, May 14, 1870
Volume 22, Number 21, May 21, 1870
Volume 22, Number 22, May 28, 1870
Volume 22, Number 23, June 4, 1870
Volume 22, Number 24, June 11, 1870
Volume 22, Number 25, June 18, 1870
Volume 22, Number 26, June 25, 1870
Volume 23, Number 1, July 2, 1870
Volume 23, Number 2, July 9, 1870
Volume 23, Number 3, July 16, 1870
Volume 23, Number 4, July 23, 1870
Volume 23, Number 5, July 30, 1870
Volume 23, Number 6, August 6, 1870
Volume 23, Number 7, August 13, 1870
Volume 23, Number 8, August 20, 1870
Volume 23, Number 9, August 27, 1870
Volume 23, Number 10, September 3, 1870
Volume 23, Number 11, September 10, 1870
Volume 23, Number 12, September 17, 1870
Volume 23, Number 13, September 24, 1870
Volume 23, Number 14, October 1, 1870
Volume 23, Number 15, October 8, 1870
Volume 23, Number 16, October 15, 1870
Volume 23, Number 17, October 22, 1870
Volume 23, Number 18, October 29, 1870
Volume 23, Number 19, November 5, 1870
Volume 23, Number 20, November 12, 1870
Volume 23, Number 21, November 19, 1870
Volume 23, Number 22, November 26, 1870
Volume 23, Number 23, December 3, 1870
Volume 23, Number 25, December 17, 1870
Volume 23, Number 26, December 24, 1870
Volume 24, Number 1, January 1, 1871
Volume 24, Number 2, January 7, 1871
Volume 24, Number 3, January 14, 1871
Volume 24, Number 4, January 21, 1871
Volume 24, Number 5, January 28, 1871
Volume 24, Number 6, February 4, 1871
Volume 24, Number 7, February 11, 1871
Volume 24, Number 8, February 18, 1871
Volume 24, Number 9, February 25, 1871
Volume 24, Number 10, March 4, 1871
Volume 24, Number 11, March 11, 1871
Volume 24, Number 12, March 18, 1871
Volume 24, Number 13, March 25, 1871
Volume 24, Number 14, April 1, 1871
Volume 24, Number 16, April 15, 1871
Volume 24, Number 18, April 29, 1871
Volume 24, Number 19, May 6, 1871
Volume 24, Number 20, May 13, 1871
Volume 24, Number 21, May 20, 1871
Volume 24, Number 22, May 27, 1871
Volume 24, Number 23, June 3, 1871
Volume 24, Number 24, June 10, 1871
Volume 24, Number 25, June 17, 1871
Volume 24, Number 26, June 24, 1871
Volume 25, Number 1, July 1, 1871
Volume 25, Number 2, July 8, 1871
Volume 25, Number 3, July 15, 1871
Volume 25, Number 4, July 22, 1871
Volume 25, Number 5, July 29, 1871
Volume 25, Number 6, August 5, 1871
Volume 25, Number 7, August 12, 1871
Volume 25, Number 8, August 19, 1871
Volume 25, Number 9, August 26, 1871
Volume 25, Number 10, September 2, 1871
Volume 25, Number 11, September 9, 1871
Volume 25, Number 12, September 16, 1871
Volume 25, Number 13, September 23, 1871
Volume 25, Number 14, September 30, 1871
Volume 25, Number 15, October 7, 1871
Volume 25, Number 16, October 14, 1871
Volume 25, Number 17, October 21, 1871
Volume 25, Number 18, October 28, 1871
Volume 25, Number 19, November 4, 1871
Volume 25, Number 20, November 11, 1871
Volume 25, Number 21, November 18, 1871
Volume 25, Number 22, November 25, 1871
Volume 25, Number 23, December 2, 1871
Volume 25, Number 24, December 9, 1871
Volume 25, Number 25, December 16, 1871
Volume 25, Number 26, December 23, 1871
Volume 26, Number 1, January 1, 1872
Volume 26, Number 2, January 6, 1872
Volume 26, Number 3, January 13, 1872
Volume 26, Number 4, January 20, 1872
Volume 26, Number 5, January 27, 1872
Volume 26, Number 6, February 3, 1872
Volume 26, Number 7, February 10, 1872
Volume 26, Number 8, February 17, 1872
Volume 26, Number 9, February 24, 1872
Volume 26, Number 10, March 2, 1872
Volume 26, Number 11, March 9, 1872
Volume 26, Number 12, March 16, 1872
Volume 26, Number 13, March 23, 1872
Volume 26, Number 14, March 30, 1872
Volume 26, Number 15, April 6, 1872
Volume 26, Number 16, April 13, 1872
Volume 26, Number 17, April 20, 1872
Volume 26, Number 18, April 27, 1872
Volume 26, Number 19, May 4, 1872
Volume 26, Number 20, May 11, 1872
Volume 26, Number 21, May 18, 1872
Volume 26, Number 22, May 25, 1872
Volume 26, Number 23, June 1, 1872
Volume 26, Number 24, June 8, 1872
Volume 26, Number 25, June 15, 1872
Volume 26, Number 26, June 22, 1872
Volume 27, Number 1, July 6, 1872
Volume 27, Number 2, July 13, 1872
Volume 27, Number 3, July 20, 1872
Volume 27, Number 4, July 27, 1872
Volume 27, Number 5, August 3, 1872
Volume 27, Number 6, August 10, 1872
Volume 27, Number 7, August 17, 1872
Volume 27, Number 8, August 24, 1872
Volume 27, Number 9, August 31, 1872
Volume 27, Number 10, September 7, 1872
Volume 27, Number 11, September 14, 1872
Volume 27, Number 12, September 21, 1872
Volume 27, Number 13, September 28, 1872
Volume 27, Number 14, October 5, 1872
Volume 27, Number 15, October 12, 1872
Volume 27, Number 16, October 19, 1872
Volume 27, Number 17, October 26, 1872
Volume 27, Number 18, November 2, 1872
Volume 27, Number 19, November 9, 1872
Volume 27, Number 20, November 16, 1872
Volume 27, Number 21, November 23, 1872
Volume 27, Number 22, November 30, 1872
Volume 27, Number 23, December 7, 1872
Volume 27, Number 24, December 14, 1872
Volume 27, Number 25, December 21, 1872
Volume 27, Number 26, December 28, 1872
Volume 28, Number 1, January 4, 1873
Volume 28, Number 2, January 11, 1873
Volume 28, Number 3, January 18, 1873
Volume 28, Number 4, January 25, 1873
Volume 28, Number 5, February 1, 1873
Volume 28, Number 6, February 8, 1873
Volume 28, Number 7, February 15, 1873
Volume 28, Number 8, February 22, 1873
Volume 28, Number 9, March 1, 1873
Volume 28, Number 10, March 8, 1873
Volume 28, Number 11, March 15, 1873
Volume 28, Number 12, March 22, 1873
Volume 28, Number 13, March 29, 1873
Volume 28, Number 14, April 5, 1873
Volume 28, Number 15, April 12, 1873
Volume 28, Number 16, April 19, 1873
Volume 28, Number 17, April 26, 1873
Volume 28, Number 18, May 3, 1873
Volume 28, Number 19, May 10, 1873
Volume 28, Number 20, May 17, 1873
Volume 28, Number 21, May 24, 1873
Volume 28, Number 22, May 31, 1873
Volume 28, Number 23, June 7, 1873
Volume 28, Number 24, June 14, 1873
Volume 28, Number 25, June 21, 1873
Volume 28, Number 26, June 28, 1873
Volume 29, Number 1, July 5, 1873
Volume 29, Number 2, July 12, 1873
Volume 29, Number 3, July 19, 1873
Volume 29, Number 4, July 26, 1873
Volume 29, Number 5, August 2, 1873
Volume 29, Number 6, August 9, 1873
Volume 29, Number 7, August 16, 1873
Volume 29, Number 8, August 23, 1873
Volume 29, Number 9, August 30, 1873
Volume 29, Number 10, September 6, 1873
Volume 29, Number 11, September 13, 1873
Volume 29, Number 12, September 20, 1873
Volume 29, Number 13, September 27, 1873
Volume 29, Number 14, October 4, 1873
Volume 29, Number 15, October 11, 1873
Volume 29, Number 16, October 18, 1873
Volume 29, Number 17, October 25, 1873
Volume 29, Number 18, November 1, 1873
Volume 29, Number 19, November 8, 1873
Volume 29, Number 20, November 15, 1873
Volume 29, Number 21, November 22, 1873
Volume 29, Number 22, November 29, 1873
Volume 29, Number 23, December 6, 1873
Volume 29, Number 24, December 13, 1873
Volume 29, Number 25, December 20, 1873
Volume 29, Number 26, December 27, 1873
Volume 30, Number 1, January 3, 1874
Volume 30, Number 2, January 10, 1874
Volume 30, Number 3, January 17, 1874
Volume 30, Number 4, January 24, 1874
Volume 30, Number 5, January 31, 1874
Volume 30, Number 6, February 7, 1874
Volume 30, Number 7, February 14, 1874
Volume 30, Number 8, February 21, 1874
Volume 30, Number 9, February 28, 1874
Volume 30, Number 10, March 7, 1874
Volume 30, Number 11, March 14, 1874
Volume 30, Number 12, March 21, 1874
Volume 30, Number 14, April 4, 1874
Volume 30, Number 16, April 18, 1874
Volume 30, Number 17, April 25, 1874
Volume 30, Number 18, May 2, 1874
Volume 30, Number 19, May 9, 1874
Volume 30, Number 20, May 16, 1874
Volume 30, Number 21, May 23, 1874
Volume 30, Number 22, May 30, 1874
Volume 30, Number 23, June 6, 1874
Volume 30, Number 24, June 13, 1874
Volume 30, Number 25, June 20, 1874
Volume 30, Number 26, June 27, 1874
Volume 31, Number 1, July 4, 1874
Volume 31, Number 2, July 11, 1874
Volume 31, Number 3, July 18, 1874
Volume 31, Number 4, July 25, 1874
Volume 31, Number 5, August 1, 1874
Volume 31, Number 6, August 8, 1874
Volume 31, Number 7, August 15, 1874
Volume 31, Number 8, August 22, 1874
Volume 31, Number 9, August 29, 1874
Volume 31, Number 10, September 5, 1874
Volume 31, Number 11, September 12, 1874
Volume 31, Number 12, September 19, 1874
Volume 31, Number 13, September 26, 1874
Volume 31, Number 14, October 3, 1874
Volume 31, Number 15, October 10, 1874
Volume 31, Number 16, October 17, 1874
Volume 31, Number 17, October 24, 1874
Volume 31, Number 18, October 31, 1874
Volume 31, Number 19, November 7, 1874
Volume 31, Number 20, November 14, 1874
Volume 31, Number 21, November 21, 1874
Volume 31, Number 22, November 28, 1874
Volume 31, Number 23, December 5, 1874
Volume 31, Number 24, December 12, 1874
Volume 31, Number 25, December 19, 1874
Volume 31, Number 26, December 26, 1874
Volume 32, Number 1, January 2, 1875
Volume 32, Number 2, January 9, 1875
Volume 32, Number 3, January 16, 1875
Volume 32, Number 4, January 23, 1875
Volume 32, Number 5, January 30, 1875
Volume 32, Number 6, February 6, 1875
Volume 32, Number 7, February 13, 1875
Volume 32, Number 8, February 20, 1875
Volume 32, Number 9, February 27, 1875
Volume 32, Number 10, March 6, 1875
Volume 32, Number 11, March 13, 1875
Volume 32, Number 12, March 20, 1875
Volume 32, Number 13, March 27, 1875
Volume 32, Number 14, April 3, 1875
Volume 32, Number 15, April 10, 1875
Volume 32, Number 16, April 17, 1875
Volume 32, Number 17, April 24, 1875
Volume 32, Number 18, May 1, 1875
Volume 32, Number 19, May 8, 1875
Volume 32, Number 20, May 15, 1875
Volume 32, Number 21, May 22, 1875
Volume 32, Number 22, May 29, 1875
Volume 32, Number 23, June 5, 1875
Volume 32, Number 24, June 12, 1875
Volume 32, Number 25, June 19, 1875
Volume 32, Number 26, June 26, 1875
Volume 33, Number 1, July 3, 1875
Volume 33, Number 2, July 10, 1875
Volume 33, Number 3, July 17, 1875
Volume 33, Number 4, July 24, 1875
Volume 33, Number 5, July 31, 1875
Volume 33, Number 6, August 7, 1875
Volume 33, Number 7, August 14, 1875
Volume 33, Number 8, August 21, 1875
Volume 33, Number 9, August 28, 1875
Volume 33, Number 10, September 4, 1875
Volume 33, Number 11, September 11, 1875
Volume 33, Number 12, September 18, 1875
Volume 33, Number 13, September 25, 1875
Volume 33, Number 14, October 2, 1875
Volume 33, Number 15, October 9, 1875
Volume 33, Number 16, October 16, 1875
Volume 33, Number 17, October 23, 1875
Volume 33, Number 18, October 30, 1875
Volume 33, Number 19, November 6, 1875
Volume 33, Number 20, November 13, 1875
Volume 33, Number 21, November 20, 1875
Volume 33, Number 22, November 27, 1875
Volume 33, Number 23, December 4, 1875
Volume 33, Number 24, December 11, 1875
Volume 33, Number 25, December 18, 1875
Volume 33, Number 26, December 25, 1875
Volume 34, Number 1, January 1, 1876
Volume 34, Number 2, January 8, 1876
Volume 34, Number 3, January 15, 1876
Volume 34, Number 4, January 22, 1876
Volume 34, Number 5, January 29, 1876
Volume 34, Number 7, February 12, 1876
Volume 34, Number 8, February 19, 1876
Volume 34, Number 9, February 26, 1876
Volume 34, Number 10, March 4, 1876
Volume 34, Number 11, March 11, 1876
Volume 34, Number 12, March 18, 1876
Volume 34, Number 13, March 25, 1876
Volume 34, Number 14, April 1, 1876
Volume 34, Number 15, April 8, 1876
Volume 34, Number 16, April 15, 1876
Volume 34, Number 17, April 22, 1876
Volume 34, Number 18, April 29, 1876
Volume 34, Number 19, May 6, 1876
Volume 34, Number 20, May 13, 1876
Volume 34, Number 21, May 20, 1876
Volume 34, Number 22, May 27, 1876
Volume 34, Number 23, June 3, 1876
Volume 34, Number 24, June 10, 1876
Volume 34, Number 25, June 17, 1876
Volume 34, Number 26, June 24, 1876
Volume 35, Number 1, July 1, 1876
Volume 35, Number 2, July 8, 1876
Volume 35, Number 3, July 15, 1876
Volume 35, Number 4, July 22, 1876
Volume 35, Number 5, July 29, 1876
Volume 35, Number 6, August 5, 1876
Volume 35, Number 7, August 12, 1876
Volume 35, Number 8, August 19, 1876
Volume 35, Number 9, August 26, 1876
Volume 35, Number 10, September 2, 1876
Volume 35, Number 11, September 9, 1876
Volume 35, Number 12, September 16, 1876
Volume 35, Number 13, September 23, 1876
Volume 35, Number 14, September 30, 1876
Volume 35, Number 15, October 7, 1876
Volume 35, Number 16, October 14, 1876
Volume 35, Number 17, October 21, 1876
Volume 35, Number 18, October 28, 1876
Volume 35, Number 19, November 4, 1876
Volume 35, Number 20, November 11, 1876
Volume 35, Number 21, November 18, 1876
Volume 35, Number 22, November 25, 1876
Volume 35, Number 23, December 2, 1876
Volume 35, Number 24, December 9, 1876
Volume 35, Number 25, December 16, 1876
Volume 35, Number 26, December 23, 1876
Volume 36, Number 1, January 6, 1877
Volume 36, Number 2, January 13, 1877
Volume 36, Number 3, January 20, 1877
Volume 36, Number 4, January 27, 1877
Volume 36, Number 5, February 3, 1877
Volume 36, Number 6, February 10, 1877
Volume 36, Number 7, February 17, 1877
Volume 36, Number 8, February 24, 1877
Volume 36, Number 9, March 3, 1877
Volume 36, Number 10, March 10, 1877
Volume 36, Number 11, March 17, 1877
Volume 36, Number 12, March 24, 1877
Volume 36, Number 13, March 31, 1877
Volume 36, Number 14, April 7, 1877
Volume 36, Number 15, April 14, 1877
Volume 36, Number 16, April 21, 1877
Volume 36, Number 17, April 28, 1877
Volume 36, Number 18, May 5, 1877
Volume 36, Number 19, May 12, 1877
Volume 36, Number 20, May 19, 1877
Volume 36, Number 21, May 26, 1877
Volume 36, Number 22, June 2, 1877
Volume 36, Number 23, June 9, 1877
Volume 36, Number 24, June 16, 1877
Volume 36, Number 25, June 23, 1877
Volume 36, Number 26, June 30, 1877
Volume 37, Number 1, July 7, 1877
Volume 37, Number 2, July 14, 1877
Volume 37, Number 3, July 21, 1877
Volume 37, Number 4, July 28, 1877
Volume 37, Number 5, August 4, 1877
Volume 37, Number 6, August 11, 1877
Volume 37, Number 7, August 18, 1877
Volume 37, Number 8, August 25, 1877
Volume 37, Number 9, September 1, 1877
Volume 37, Number 10, September 8, 1877
Volume 37, Number 11, September 15, 1877
Volume 37, Number 12, September 22, 1877
Volume 37, Number 13, September 29, 1877
Volume 37, Number 14, October 6, 1877
Volume 37, Number 15, October 13, 1877
Volume 37, Number 16, October 20, 1877
Volume 37, Number 17, October 27, 1877
Volume 37, Number 18, November 3, 1877
Volume 37, Number 19, November 10, 1877
Volume 37, Number 20, November 17, 1877
Volume 37, Number 21, November 24, 1877
Volume 37, Number 22, December 1, 1877
Volume 37, Number 23, December 8, 1877
Volume 37, Number 24, December 15, 1877
Volume 37, Number 25, December 22, 1877
Volume 37, Number 26, December 29, 1877
Volume 38, Number 1, January 5, 1878
Volume 38, Number 2, January 12, 1878
Volume 38, Number 3, January 19, 1878
Volume 38, Number 4, January 26, 1878
Volume 38, Number 5, February 2, 1878
Volume 38, Number 6, February 9, 1878
Volume 38, Number 7, February 16, 1878
Volume 38, Number 8, February 23, 1878
Volume 38, Number 9, March 2, 1878
Volume 38, Number 10, March 9, 1878
Volume 38, Number 11, March 16, 1878
Volume 38, Number 12, March 23, 1878
Volume 38, Number 13, March 30, 1878
Volume 38, Number 14, April 6, 1878
Volume 38, Number 15, April 13, 1878
Volume 38, Number 16, April 20, 1878
Volume 38, Number 17, April 27, 1878
Volume 38, Number 18, May 4, 1878
Volume 38, Number 19, May 11, 1878
Volume 38, Number 20, May 18, 1878
Volume 38, Number 21, May 25, 1878
Volume 38, Number 22, June 1, 1878
Volume 38, Number 23, June 8, 1878
Volume 38, Number 24, June 15, 1878
Volume 38, Number 25, June 22, 1878
Volume 38, Number 26, June 29, 1878
Volume 39, Number 1, July 6, 1878
Volume 39, Number 2, July 13, 1878
Volume 39, Number 3, July 20, 1878
Volume 39, Number 4, July 27, 1878
Volume 39, Number 5, August 3, 1878
Volume 39, Number 6, August 10, 1878
Volume 39, Number 7, August 17, 1878
Volume 39, Number 8, August 24, 1878
Volume 39, Number 9, August 31, 1878
Volume 39, Number 10, September 7, 1878
Volume 39, Number 11, September 14, 1878
Volume 39, Number 12, September 21, 1878
Volume 39, Number 13, September 28, 1878
Volume 39, Number 14, October 5, 1878
Volume 39, Number 15, October 12, 1878
Volume 39, Number 16, October 19, 1878
Volume 39, Number 17, October 26, 1878
Volume 39, Number 18, November 2, 1878
Volume 39, Number 19, November 9, 1878
Volume 39, Number 20, November 16, 1878
Volume 39, Number 21, November 23, 1878
Volume 39, Number 22, November 30, 1878
Volume 39, Number 23, December 7, 1878
Volume 39, Number 24, December 14, 1878
Volume 39, Number 25, December 21, 1878
Volume 39, Number 26, December 28, 1878
Volume 40, Number 1, January 4, 1879
Volume 40, Number 2, January 11, 1879
Volume 40, Number 3, January 18, 1879
Volume 40, Number 4, January 25, 1879
Volume 40, Number 5, February 1, 1879
Volume 40, Number 6, February 8, 1879
Volume 40, Number 7, February 15, 1879
Volume 40, Number 8, February 22, 1879
Volume 40, Number 9, March 1, 1879
Volume 40, Number 10, March 8, 1879
Volume 40, Number 11, March 15, 1879
Volume 40, Number 12, March 22, 1879
Volume 40, Number 13, March 29, 1879
Volume 40, Number 14, April 5, 1879
Volume 40, Number 15, April 12, 1879
Volume 40, Number 16, April 19, 1879
Volume 40, Number 17, April 26, 1879
Volume 40, Number 18, May 3, 1879
Volume 40, Number 19, May 10, 1879
Volume 40, Number 20, May 17, 1879
Volume 40, Number 21, May 24, 1879
Volume 40, Number 22, May 31, 1879
Volume 40, Number 23, June 7, 1879
Volume 40, Number 24, June 14, 1879
Volume 40, Number 25, June 21, 1879
Volume 40, Number 26, June 28, 1879
Volume 41, Number 1, July 5, 1879
Volume 41, Number 2, July 12, 1879
Volume 41, Number 3, July 19, 1879
Volume 41, Number 4, July 26, 1879
Volume 41, Number 5, August 2, 1879
Volume 41, Number 6, August 9, 1879
Volume 41, Number 7, August 16, 1879
Volume 41, Number 8, August 23, 1879
Volume 41, Number 9, August 30, 1879
Volume 41, Number 10, September 6, 1879
Volume 41, Number 11, September 13, 1879
Volume 41, Number 12, September 20, 1879
Volume 41, Number 13, September 27, 1879
Volume 41, Number 14, October 4, 1879
Volume 41, Number 15, October 11, 1879
Volume 41, Number 16, October 18, 1879
Volume 41, Number 17, October 25, 1879
Volume 41, Number 18, November 1, 1879
Volume 41, Number 19, November 8, 1879
Volume 41, Number 20, November 15, 1879
Volume 41, Number 21, November 22, 1879
Volume 41, Number 22, November 29, 1879
Volume 41, Number 23, December 6, 1879
Volume 41, Number 24, December 13, 1879
Volume 41, Number 25, December 20, 1879
Volume 41, Number 26, December 27, 1879


Scientific American
Volume 22, Number 1, January 1, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 11--12
                      Anonymous   Business and Personal  . . . . . . . . . 15--15
                      Anonymous   Books: New Books and Publications  . . . 17--17
                      Anonymous   Gunboats, The Torpedo Boat Problem . . . 1--1
                      Anonymous   Sugar Making in Louisiana  . . . . . . . 1--2
                      Anonymous   An Improved Hoisting Pulley Wanted . . . 2--2
                      Anonymous   Ferdinand de Lesseps --- Chief Promoter
                                  of the Suez Canal  . . . . . . . . . . . 2--2
                      Anonymous   An Ingenious Vent Peg  . . . . . . . . . 2--3
                      Anonymous   American and English Railway Practice
                                  Contrasted . . . . . . . . . . . . . . . 4--4
                   C. M. O'hara   Boiler Covering  . . . . . . . . . . . . 4--5
                      Anonymous   Patent Decision  . . . . . . . . . . . . 5--6
                      Anonymous   Girard's ``Palier Glissant'' . . . . . . 6--6
                      Anonymous   A Happy New Year!  . . . . . . . . . . . 7--7
                      Anonymous   The Suez Canal Not Yet a Failure . . . . 7--7
                      Anonymous   Tubular Boilers and Boiler Explosions    7--7
                      Anonymous   American Railway Management  . . . . . . 7--7
                      Anonymous   The American Institute Prizes Awarded to
                                  Steam Engines  . . . . . . . . . . . . . 7--7
                      Anonymous   A Protest Against the Canadian Patent
                                  Law  . . . . . . . . . . . . . . . . . . 7--8
                      Anonymous   The Brighter Side  . . . . . . . . . . . 8--8
                      Anonymous   Professor Fiske's Lectures at Harvard    8--8
                      Anonymous   Scientific Lectures before the American
                                  Institute  . . . . . . . . . . . . . . . 8--8
                      Anonymous   The Battle Fields of Science . . . . . . 8--9
                      Anonymous   How French Bank Notes are Made . . . . . 9--9
                      Anonymous   What the Newspapers Say  . . . . . . . . 9--9
                      Anonymous   Editorial Summary  . . . . . . . . . . . 9--9
                      Anonymous   The Stevens Breech-Loading Rifle . . . . 10--10
                      Anonymous   A Novel French Hand Vise . . . . . . . . 10--10
                      Anonymous   The Woven-Wire Mattress  . . . . . . . . 10--10
                Henry E. Colton   Preservation of Iron . . . . . . . . . . 12--12
                      Anonymous   The Bananas and Plantains of the Tropics 12--13
                     Mark Twain   Putting up Stoves  . . . . . . . . . . . 13--13
                      Anonymous   The Magic Lantern  . . . . . . . . . . . 13--13
                      Anonymous   Paper for Building . . . . . . . . . . . 13--15
                      Anonymous   Improvement in Lamp Wicks  . . . . . . . 15--15
                      Anonymous   Answers to Correspondents  . . . . . . . 16--16
                      Anonymous   Recent American and Foreign Patents  . . 16--17
                      Anonymous   H. S. Patent Office  . . . . . . . . . . 18--18
                      Anonymous   Official List of Patents . . . . . . . . 18--20

Scientific American
Volume 22, Number 2, January 8, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 27--28
                      Anonymous   Business and Personal  . . . . . . . . . 34--34
                      Anonymous   Books: New Books and Publications  . . . 35--35
                      Anonymous   The Corliss Steam Engine, How a Fish
                                  Swims  . . . . . . . . . . . . . . . . . 23--24
                      Anonymous   Professor Morse's Official Report upon
                                  the Telegraphy of the French Exposition  24--25
                 Charles A. Joy   On Manganese and Some of Its Compounds   25--26
                     I. Cantini   Artificial Light from the Pinewood Chip
                                  to the Gas Chandelier  . . . . . . . . . 28--29
             John Ramsay Gordon   The Calabash Tree  . . . . . . . . . . . 29--30
                      Anonymous   Wells' Improved Eccentric for Steam
                                  Engines  . . . . . . . . . . . . . . . . 30--30
                      Anonymous   Swedish Cooking Appliances . . . . . . . 30--30
                      Anonymous   Report of the Special Commissioner of
                                  Revenue --- Tinkering the Income Tax . . 31--31
                      Anonymous   The Use of Eyes  . . . . . . . . . . . . 31--31
                      Anonymous   The Metric System  . . . . . . . . . . . 31--31
                      Anonymous   The Growth of Monopolies . . . . . . . . 31--32
                      Anonymous   The Preservation of Meats without Salt   32--32
                      Anonymous   Canal Through the Isthmus of Darien  . . 32--32
                      Anonymous   New Facts about the Preservation of
                                  Timber . . . . . . . . . . . . . . . . . 32--32
                      Anonymous   Madder Extracts and their Application in
                                  Topical Dyeing . . . . . . . . . . . . . 32--33
                      Anonymous   Aerial Navigation  . . . . . . . . . . . 33--33
                      Anonymous   Answers to Correspondents  . . . . . . . 34--34
                      Anonymous   Recent American and Foreign Patents  . . 34--35
                      Anonymous   Official List of Patents . . . . . . . . 35--36
                      Anonymous   Applications for Extension of Patents    36--36

Scientific American
Volume 22, Number 3, January 15, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 43--44
                      Anonymous   Business and Personal  . . . . . . . . . 50--50
                      Anonymous   Books: New Books and Publications  . . . 51--51
                      Anonymous   Machine for Branching Artificial Flowers 39--39
                      Anonymous   Waste Not --- How Small Things are
                                  Utilized . . . . . . . . . . . . . . . . 39--40
                      Anonymous   Repaired Boilers . . . . . . . . . . . . 40--41
                        Reimann   To Wash Leather Gloves . . . . . . . . . 41--43
                      Anonymous   Laying Cast Iron Pipes Under Water . . . 43--43
                      Anonymous   Self-Moving Anchor for Steam Cultivation 43--43
                 Charles A. Joy   On Chromium  . . . . . . . . . . . . . . 45--45
                      Anonymous   Milk --- from the Depot to the Consumer  45--46
                      Anonymous   The Progress of the Physical Sciences in
                                  the Year 1869  . . . . . . . . . . . . . 47--47
                      Anonymous   Specialistic Journalism  . . . . . . . . 47--48
                      Anonymous   American Aeronautics --- A Flying Ship
                                  to be Built  . . . . . . . . . . . . . . 48--48
                      Anonymous   Pumping Down Buildings . . . . . . . . . 48--48
                      Anonymous   Silvering Mirrors  . . . . . . . . . . . 48--48
                      Anonymous   Correlation of Vital and Physical Forces 48--50
                      Anonymous   United States Circuit Court --- Southern
                                  District before Judge Blatchford . . . . 50--50
                      Anonymous   Answers to Correspondents  . . . . . . . 50--50
                      Anonymous   Recent American and Foreign Patents  . . 50--51
                      Anonymous   Applications for Extension of Patents    51--51
                      Anonymous   Official List of Patents . . . . . . . . 51--52

Scientific American
Volume 22, Number 4, January 22, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 60--61
                      Anonymous   Books: New Books and Publications  . . . 66--66
                      Anonymous   Business and Personal  . . . . . . . . . 66--66
                      Anonymous   Device for Steaming Rovings, Pressure in
                                  Steam Boilers, and more  . . . . . . . . 55--55
                      Anonymous   The Leclanche Battery  . . . . . . . . . 55--56
                      Anonymous   Science and the Public Health  . . . . . 56--56
                      Anonymous   The Reptiles at the Zoological Gardens   56--57
                      Anonymous   Rain and Rain Doctors  . . . . . . . . . 57--59
                      Anonymous   Improved Packing for the Pistons of
                                  Steam Engines  . . . . . . . . . . . . . 59--59
                      Anonymous   Curious Ice Formations . . . . . . . . . 59--60
             P. R. Vander Weyde   On the Nature of the Interplanetary
                                  Medium . . . . . . . . . . . . . . . . . 61--61
                   C. Wideumann   Manufacture of the Points of Needles and
                                  Pins by Electricity  . . . . . . . . . . 61--62
                      Anonymous   Progress in Mechanical and Engineering
                                  Science and Invention in 1869  . . . . . 63--63
                      Anonymous   Nature of Design Patents . . . . . . . . 63--63
                      Anonymous   The Careless Use of Lucifer Matches  . . 63--64
                      Anonymous   The Mild Winter  . . . . . . . . . . . . 64--64
                      Anonymous   Scientific Intelligence  . . . . . . . . 64--64
                C. Widemann and   
                        Chemist   On Cotton Seed and Cotton Seed Oil . . . 64--64
                      Anonymous   Michael Faraday  . . . . . . . . . . . . 65--66
                      Anonymous   United States Circuit Court --- Southern
                                  District before Judge Blatchford . . . . 66--66
                      Anonymous   Answers to Correspondents  . . . . . . . 66--66
                      Anonymous   Recent American and Foreign Patents  . . 66--67
                      Anonymous   Official List of Patents . . . . . . . . 67--68

Scientific American
Volume 22, Number 5, January 29, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 76--77
                      Anonymous   Business and Personal  . . . . . . . . . 83--83
                      Anonymous   Books: New Books and Publications  . . . 83--83
                      Anonymous   Improvement in Sulky Harrows, Lighting
                                  Mines with Gas . . . . . . . . . . . . . 71--71
                      Anonymous   Double Ratchet Brace . . . . . . . . . . 71--71
                      Anonymous   Agricultural Engineering . . . . . . . . 71--72
                      Anonymous   Ancient and Modern Industries of the
                                  Chinese  . . . . . . . . . . . . . . . . 72--73
                      Anonymous   Manufacture of Indian Ink  . . . . . . . 73--73
                      Anonymous   The Tanite Solid Emery Wheel . . . . . . 73--75
                      Anonymous   Improved Open Fire Grate . . . . . . . . 75--75
                     I. Cantini   The Egyptian Fellah  . . . . . . . . . . 77--77
             John Ramsay Gordon   The Barracouta . . . . . . . . . . . . . 77--77
                      Anonymous   Improved Lever Escapement  . . . . . . . 78--78
                      Anonymous   Our Splendid Engraving . . . . . . . . . 78--78
                      Anonymous   Ludlow's Sliding Stop Valves for Steam,
                                  Water, and Gas . . . . . . . . . . . . . 78--78
                      Anonymous   The ``\booktitleScientific American'' in
                                  1869 . . . . . . . . . . . . . . . . . . 79--79
                      Anonymous   Tin --- Where and How It Is Obtained . . 79--79
                      Anonymous   Is Water Necessary to Mitigate the
                                  Effects of Dry Air from Heating
                                  Furnaces?  . . . . . . . . . . . . . . . 79--80
                      Anonymous   Wanted --- Better Sidewalks  . . . . . . 80--80
                      Anonymous   A Peculiar Feature of Agricultural
                                  Invention  . . . . . . . . . . . . . . . 80--80
                      Anonymous   The Steam Engine Trials at the American
                                  Institute Exhibition . . . . . . . . . . 80--80
                      Anonymous   Ancient Modes of Extinguishing Fires . . 80--81
                      Anonymous   Slate Pencils  . . . . . . . . . . . . . 81--81
                C. Widemann and   
                        Chemist   On Cotton Seed and Cotton Seed Oil . . . 81--82
                      Anonymous   United States Circuit Court --- Southern
                                  District before Judge Blatchford . . . . 82--82
                      Anonymous   Recent American and Foreign Patents  . . 82--83
                      Anonymous   Answers to Correspondents  . . . . . . . 83--83
                      Anonymous   Applications for Extension of Patents    83--83
                      Anonymous   Official List of Patents . . . . . . . . 83--84

Scientific American
Volume 22, Number 6, February 5, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 91--92
                      Anonymous   Business and Personal  . . . . . . . . . 99--99
                      Anonymous   Cigar Machine, Scientific Nonsense, and
                                  more . . . . . . . . . . . . . . . . . . 87--87
                      Anonymous   The Niin of Yucatan  . . . . . . . . . . 88--88
                       Elzy Hay   The Cotton Gin and Its Inventors . . . . 88--88
                Henry E. Colton   Iron Shipbuilding and American Commerce  89--89
                    C. Widemann   Albumen  . . . . . . . . . . . . . . . . 89--91
                C. Widemann and   
                        Chemist   Manufacture of Cotton Seed, Cotton Seed
                                  Cakes, and Meal  . . . . . . . . . . . . 91--91
                      Anonymous   The French System of Storm Maps  . . . . 92--92
                 Charles A. Joy   On Zinc  . . . . . . . . . . . . . . . . 93--93
                      Anonymous   A New English Oil Testing Apparatus  . . 94--94
                      Anonymous   Construction of Hollow Walls . . . . . . 94--94
                      Anonymous   Domestic Water Filters . . . . . . . . . 94--94
                      Anonymous   New Apparatus for Measuring Oil  . . . . 94--94
                      Anonymous   Steam Engines at the American Institute  94--94
                      Anonymous   The Rumford Medals . . . . . . . . . . . 95--95
                      Anonymous   Solutions for Hardening Steel  . . . . . 95--95
                      Anonymous   Study of First Principles by Inventors   95--95
                      Anonymous   Pumping Down Buildings --- Fall of the
                                  Dining Hall of King's College, London    95--96
                      Anonymous   Test of Turbine Water Wheels at Lowell,
                                  Mass . . . . . . . . . . . . . . . . . . 96--96
                      Anonymous   Black River Flood Case . . . . . . . . . 96--96
                      Anonymous   Foremen and Superintendents  . . . . . . 96--97
                      Anonymous   Diving and Diving Apparatus  . . . . . . 97--97
                      Anonymous   Tunnels vs Bridges . . . . . . . . . . . 97--97
                      Anonymous   What is Said of Our Prize Engraving  . . 97--97
                      Anonymous   On Refrigerating Mixtures and the
                                  Depression of Temperature Produced by
                                  Dissolving Salts in Water  . . . . . . . 98--98
                      Anonymous   Applications for Extension of Patents    98--98
                      Anonymous   Answers to Correspondents  . . . . . . . 99--99
                      Anonymous   Recent American and Foreign Patents  . . 99--99
                      Anonymous   Official List of Patents . . . . . . . . 100--101

Scientific American
Volume 22, Number 7, February 12, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 108--110
                      Anonymous   Business and Personal  . . . . . . . . . 116--116
                      Anonymous   The Ransom Siphon Condenser  . . . . . . 103--103
                      Anonymous   Flooring Clamp . . . . . . . . . . . . . 103--103
                      Anonymous   Lapidary Work  . . . . . . . . . . . . . 104--104
                      Anonymous   How to Obtain a Fine Patina on Bronze
                                  Statues  . . . . . . . . . . . . . . . . 104--104
                      Anonymous   Scientific Intelligence  . . . . . . . . 104--104
                      Anonymous   What George Stephenson Accomplished  . . 104--105
                      Anonymous   Microscopical Examination of Milk under
                                  Certain Conditions . . . . . . . . . . . 105--105
                      Anonymous   The Hoosac Tunnel  . . . . . . . . . . . 106--107
                      Anonymous   French Asphalt Roads, and American
                                  Attempts to Imitate them . . . . . . . . 107--108
                    C. Widemann   New Paint  . . . . . . . . . . . . . . . 108--108
                      Anonymous   The Attainment of Beauty in Commonplace
                                  Handiwork  . . . . . . . . . . . . . . . 111--111
                      Anonymous   Technical Education in the United States
                                  --- The Sheffield Scientific School of
                                  Yale College . . . . . . . . . . . . . . 111--111
                      Anonymous   Report of the Commissioner of Patents
                                  for the Year 1869  . . . . . . . . . . . 111--114
                      Anonymous   Recent American and Foreign Patents  . . 114--115
                      Anonymous   Official List of Patents . . . . . . . . 115--116
                      Anonymous   Applications for Extension of Patents    116--116

Scientific American
Volume 22, Number 8, February 19, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 123--124
                      Anonymous   Books: New Books and Publications  . . . 130--130
                      Anonymous   Business and Personal  . . . . . . . . . 131--131
                      Anonymous   Carriages and Slides of the Spanish
                                  Gunboats Designed by Captain Ericsson    119--119
                 Charles A. Joy   On the uses of Zinc  . . . . . . . . . . 120--120
                    C. Widemann   Manufacture of Cotton Seed and Cotton
                                  Seed Oil . . . . . . . . . . . . . . . . 120--121
                     M. Reimann   Aniline Green for Wool . . . . . . . . . 121--121
                    C. Widemann   On Ox Gall . . . . . . . . . . . . . . . 121--121
                      Anonymous   Preservation of Ice  . . . . . . . . . . 122--122
                      Anonymous   Improved Bedstead and Mattress for
                                  Invalids . . . . . . . . . . . . . . . . 122--122
                      Anonymous   The Preservation of Meat . . . . . . . . 122--122
                      Anonymous   Improved Clothes Dryer . . . . . . . . . 122--123
                      Anonymous   More about Niin  . . . . . . . . . . . . 125--125
                      Anonymous   The Hydrostatic Test for Steam Boilers   125--125
                      Anonymous   Improvement in Key-Hole Guards . . . . . 126--126
                      Anonymous   Six-Way Tap for Gas and Water  . . . . . 126--126
                      Anonymous   Penny's Improved Gang Sawmill  . . . . . 126--126
                      Anonymous   Proposed Modification of the Patent Laws
                                  --- An Attempt to Break Down the Right
                                  of Appeal  . . . . . . . . . . . . . . . 127--127
                      Anonymous   The Pneumatic Tunnel under Broadway, New
                                  York . . . . . . . . . . . . . . . . . . 127--127
                      Anonymous   Official Report of Professor Chandler to
                                  the Board of Health on the New York Gas
                                  Companies  . . . . . . . . . . . . . . . 127--128
                      Anonymous   Bent, Stained, and Ornamental Window
                                  Glass  . . . . . . . . . . . . . . . . . 128--128
                      Anonymous   What is Chemistry? . . . . . . . . . . . 128--129
                      Anonymous   Curious Ice Formations . . . . . . . . . 129--129
                      Anonymous   Award of our Cash Prizes . . . . . . . . 129--130
                      Anonymous   Recent American and Foreign Patents  . . 130--131
                      Anonymous   Answers to Correspondents  . . . . . . . 131--131
                      Anonymous   Official List of Patents . . . . . . . . 131--132
                      Anonymous   Applications for Extension of Patents    132--132

Scientific American
Volume 22, Number 9, February 26, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 139--141
                      Anonymous   Books: New Books and Publications  . . . 145--145
                      Anonymous   Business and Personal  . . . . . . . . . 146--146
                      Anonymous   Wood Molding Machine, Improvement in
                                  Steam Hammers  . . . . . . . . . . . . . 135--136
                   H. E. Colton   Yaupon Teas of Carolina --- Maté of
                                  Paraguay . . . . . . . . . . . . . . . . 136--136
                    C. Widemann   Platinized Looking-Glasses . . . . . . . 136--137
                     I. Cantini   Guatemala, Its Inhabitants and Products
                                  --- Advice to Emigrants  . . . . . . . . 137--137
                      Anonymous   English and American Iron-Clads Compared 138--139
                      Anonymous   The Eagle Carpet Stretcher . . . . . . . 139--139
                      Anonymous   How to Hitch Three Horses to One Plow    139--139
                      Anonymous   A Journey with a Raft  . . . . . . . . . 141--142
                      Anonymous   Improved Patent Vertical Drill . . . . . 142--142
                      Anonymous   The Water Wheel Tests at Lowell  . . . . 143--143
                      Anonymous   The Wages of Machinery . . . . . . . . . 143--143
                      Anonymous   Waste of Labor in Building . . . . . . . 143--143
                      Anonymous   French Experiments with Liquid Fuel  . . 143--144
                      Anonymous   The Economy of Steam Engines . . . . . . 144--144
                      Anonymous   Liebig on Fermentation . . . . . . . . . 144--144
                      Anonymous   Positive Philosophy  . . . . . . . . . . 144--144
                      Anonymous   A Mile a Minute  . . . . . . . . . . . . 144--145
                      Anonymous   Scientific Intelligence  . . . . . . . . 145--145
                      Anonymous   Patent Office Decisions  . . . . . . . . 145--145
                      Anonymous   Recent American and Foreign Patents  . . 145--146
                      Anonymous   Answers to Correspondents  . . . . . . . 146--146
                      Anonymous   Official List of Patents . . . . . . . . 147--148

Scientific American
Volume 22, Number 10, March 5, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 157--158
                      Anonymous   Business and Personal  . . . . . . . . . 162--162
                      Anonymous   Books: New Books and Publications  . . . 164--164
                      Anonymous   Improved Machine for the Manufacture of
                                  Spoked Wheels, Polishing Granite, and
                                  more . . . . . . . . . . . . . . . . . . 151--152
                 Charles A. Joy   Cobalt --- Its Properties and Uses . . . 152--152
                    C. Widemann   Platinized Looking-Glasses . . . . . . . 152--152
                      Anonymous   A Plea for ``Our Dumb Slaves'' . . . . . 153--154
                      Anonymous   The Pneumatic Tunnel Under Broadway,
                                  N.Y. . . . . . . . . . . . . . . . . . . 154--156
                      Anonymous   Hubbell & Capron's Improved Turbine Wheel 156--156
                      Anonymous   Universal Balance for Millstones . . . . 158--158
                      Anonymous   The New Explosive Dualin . . . . . . . . 159--159
                      Anonymous   The Cultivation of Timber  . . . . . . . 159--159
                      Anonymous   The Law of ``Vis Viva''  . . . . . . . . 159--159
                      Anonymous   What Oysters Eat . . . . . . . . . . . . 159--159
                      Anonymous   A Plea for the Society for the
                                  Prevention of Cruelty to Animals . . . . 159--160
                      Anonymous   Systematic Thinking  . . . . . . . . . . 160--160
                      Anonymous   Concerning Patent Office Matters . . . . 160--160
                      Anonymous   The Lightest Machine . . . . . . . . . . 160--160
                      Anonymous   Mr. Rutherfurd's Star Photographs  . . . 160--161
                      Anonymous   Tyndall on Haze and Dust . . . . . . . . 161--161
                      Anonymous   The Zircon Light . . . . . . . . . . . . 162--162
                      Anonymous   Answers to Correspondents  . . . . . . . 162--162
                      Anonymous   Recent American and Foreign Patents  . . 163--163
                      Anonymous   Official List of Patents . . . . . . . . 163--164
                      Anonymous   Applications for Extension of Patents    164--164

Scientific American
Volume 22, Number 11, March 12, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 172--174
                      Anonymous   Business and Personal  . . . . . . . . . 177--177
                      Anonymous   Books: New Books and Publications  . . . 178--179
                      Anonymous   The Cere Viaduct, Railway Economy  . . . 167--168
                 Charles A. Joy   On Tin . . . . . . . . . . . . . . . . . 168--168
             John Ramsay Gordon   The Century Plant  . . . . . . . . . . . 168--168
                      Anonymous   On a New Method of Straightening High
                                  Chimneys . . . . . . . . . . . . . . . . 169--169
                      Anonymous   Working Millstones With an Air Blast . . 170--170
                      Anonymous   William's Improved Tracelock . . . . . . 170--170
                      Anonymous   J. D. Michael's Patent Egg Box . . . . . 170--171
                    C. Widemann   Platinized Looking-Glasses . . . . . . . 172--172
                    C. Widemann   Apparatus for Purifying the air by the
                                  Evaporation of Coal Tar, Pitch, Carbolic
                                  Acid, Phenic Acid, or Any other
                                  Disinfectant for Apartments, or
                                  Hospitals  . . . . . . . . . . . . . . . 172--172
                      Anonymous   L. S. Clark's Improved Shaft-Bar for
                                  Single Sleighs . . . . . . . . . . . . . 172--172
                      Anonymous   Spring Balance for Chemicals . . . . . . 174--174
                      Anonymous   Wood Engravings  . . . . . . . . . . . . 175--175
                      Anonymous   Hardening and Tempering Steel  . . . . . 175--175
                      Anonymous   Inertia and Vis Inertiæ . . . . . . . . . 175--175
                      Anonymous   An Inexplicable Power  . . . . . . . . . 175--176
                      Anonymous   Lockage Waste on Our Canals  . . . . . . 176--176
                      Anonymous   Restrictions on the Weighing of Coal . . 176--176
                      Anonymous   The Water Wheel Tests at Lowell  . . . . 176--177
                      Anonymous   Answers to Correspondents  . . . . . . . 177--177
                      Anonymous   Recent American and Foreign Patents  . . 178--178
                      Anonymous   Official List of Patents . . . . . . . . 179--180

Scientific American
Volume 22, Number 12, March 19, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 188--190
                      Anonymous   Business and Personal  . . . . . . . . . 193--193
                      Anonymous   Books: New Books and Publications  . . . 196--196
                      Anonymous   The Pedespeed, Improved Fan Blower . . . 183--184
                      Anonymous   Visit to a Steel Manufactory . . . . . . 184--185
               Samuel A. Duncan   An Interesting Review of the American
                                  Patent System  . . . . . . . . . . . . . 185--185
                Henry E. Colton   Products of the Pine Forest  . . . . . . 186--187
                      Anonymous   Woods' Saw-Gumming and Sharpening
                                  Machine  . . . . . . . . . . . . . . . . 187--187
                      Anonymous   Snyder's Improved Turbine Wheel  . . . . 187--188
                      Anonymous   Proposed Sale of the Yosemite Valley . . 191--191
                      Anonymous   Co-Operation among Inventors . . . . . . 191--191
                      Anonymous   The Use of Salt in Agriculture . . . . . 191--191
                      Anonymous   Something about Gases  . . . . . . . . . 191--192
                      Anonymous   New Mechanical Movements . . . . . . . . 192--192
                      Anonymous   Proposed Plan for Publishing Patent
                                  Office Specifications and Drawings . . . 192--192
                      Anonymous   Congress Extending Patents . . . . . . . 192--193
                      Anonymous   Applications for Extension of Patents    193--193
                      Anonymous   Answers to Correspondents  . . . . . . . 193--193
                      Anonymous   Recent American and Foreign Patents  . . 193--194
                      Anonymous   Progress of American Invention in Europe 194--194
                      Anonymous   Official List of Patents . . . . . . . . 194--195
                      Anonymous   Rotating and Fixed Turrets . . . . . . . 195--196

Scientific American
Volume 22, Number 13, March 26, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 203--204
                      Anonymous   Business and Personal  . . . . . . . . . 209--209
                      Anonymous   Books: New Books and Publications  . . . 211--212
                      Anonymous   Improvement in Machines for Dressing
                                  Millstones . . . . . . . . . . . . . . . 199--199
                 Charles A. Joy   On Tungsten  . . . . . . . . . . . . . . 200--200
                 Chas. E. Emery   Circulation of Water in Steam Boilers    200--201
                      Anonymous   Boiler Incrustations . . . . . . . . . . 201--201
                      Anonymous   The Home of the Perfumes . . . . . . . . 201--201
                      Anonymous   The New Grand Opera House, Paris . . . . 202--202
                      Anonymous   A Home-Made Differential Thermometer . . 203--203
                      Anonymous   One-Horse Road Steamer to Carry Two
                                  Persons  . . . . . . . . . . . . . . . . 203--203
                      Anonymous   Profits of Advertising . . . . . . . . . 204--204
                      Anonymous   Recent Speculations on the Earth's
                                  Origin . . . . . . . . . . . . . . . . . 204--206
                      Anonymous   Williams' Improvement in Locking Nuts    206--206
                      Anonymous   Our New Paper Currency . . . . . . . . . 207--207
                      Anonymous   Supplementary Report of the
                                  Massachusetts Railroad Commissioners on
                                  Steel Rails  . . . . . . . . . . . . . . 207--207
                      Anonymous   Proportion of Heat Utilized in Steam
                                  Engines  . . . . . . . . . . . . . . . . 207--208
                      Anonymous   Every Pane of Glass is a Hole to Heat    208--208
                      Anonymous   Engineering Projects . . . . . . . . . . 208--208
                      Anonymous   Scientific Intelligence  . . . . . . . . 208--208
                      Anonymous   Answers to Correspondents  . . . . . . . 209--209
                      Anonymous   Recent American and Foreign Patents  . . 209--210
                      Anonymous   Official List of Patents . . . . . . . . 210--211

Scientific American
Volume 22, Number 14, April 2, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 220--222
                      Anonymous   Business and Personal  . . . . . . . . . 226--226
                      Anonymous   Books: New Books and Publications  . . . 227--227
                      Anonymous   Improved Bolt Cutter, Improved
                                  Self-Connecting Car Coupling, and more   215--216
                      Anonymous   The Manufacture of Fire Bricks . . . . . 216--217
                 Charles A. Joy   Something about Silver . . . . . . . . . 217--217
                 John R. Gordon   The Guava  . . . . . . . . . . . . . . . 217--217
                      Anonymous   Chemical News  . . . . . . . . . . . . . 217--218
                      Anonymous   What are Condiments? . . . . . . . . . . 218--218
                    James Orton   Natural History --- The Great Auk  . . . 219--219
                      Anonymous   Improved Implement for Drawing Nails . . 219--219
                      Anonymous   Rapid Telegraphy . . . . . . . . . . . . 222--222
                      Anonymous   Improved Coal-Breaking Machine . . . . . 222--222
                      Anonymous   The Yosemite Valley  . . . . . . . . . . 222--222
                      Anonymous   Portable Laughing Gas  . . . . . . . . . 222--222
                      Anonymous   The Darien Canal --- Will it Pay to
                                  Build it?  . . . . . . . . . . . . . . . 223--223
                      Anonymous   An Invisible Chain and a Silent Conflict 223--224
                      Anonymous   The Study of Alloys  . . . . . . . . . . 224--224
                      Anonymous   Butter and Its Adulterations . . . . . . 224--224
                      Anonymous   How Fire Bricks are Made . . . . . . . . 224--224
                      Anonymous   The Wind Month . . . . . . . . . . . . . 224--224
                      Anonymous   Economy in the Use of Time . . . . . . . 224--225
                      Anonymous   H. S. Patent Office  . . . . . . . . . . 225--226
                      Anonymous   Answers to Correspondents  . . . . . . . 226--226
                      Anonymous   Recent American and Foreign Patents  . . 226--227
                      Anonymous   Official List of Patents . . . . . . . . 227--228

Scientific American
Volume 22, Number 15, April 9, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 236--238
                      Anonymous   Business and Personal  . . . . . . . . . 242--242
                      Anonymous   Mr. Bessemer's Conservatory  . . . . . . 231--232
                      Anonymous   Bells and Bell Towers  . . . . . . . . . 232--233
                      Anonymous   An Interesting Sketch of the
                                  Distinguished Aeronaut, John La Mountain 233--233
             William T. Brigham   Mineral Deposits . . . . . . . . . . . . 233--233
                      Anonymous   Hill's Locking Whip Socket . . . . . . . 234--234
                      Anonymous   Hamilton's Water Elevator  . . . . . . . 234--234
                      Anonymous   Denn's Improved Gridiron and Cake Baker  234--234
                      Anonymous   The Bitricycle, a French Invention . . . 235--235
                      Anonymous   The Bessemer Process under Pressure  . . 235--236
                      Anonymous   Galmann and Ruhe's Improved Joist
                                  Protector  . . . . . . . . . . . . . . . 238--238
                      Anonymous   Obituary --- Seth Boyden . . . . . . . . 238--238
                      Anonymous   Glazed Bricks for Building Purposes  . . 239--239
                      Anonymous   Dualin --- What is Claimed for It  . . . 239--239
                      Anonymous   Nature's Elevator  . . . . . . . . . . . 239--239
                      Anonymous   The Measurement of Water Power . . . . . 239--239
                      Anonymous   Michael Faraday  . . . . . . . . . . . . 240--241
                      Anonymous   Patent Office Decisions  . . . . . . . . 241--241
                      Anonymous   H. S. Patent Office  . . . . . . . . . . 242--242
                      Anonymous   Answers to Correspondents  . . . . . . . 242--242
                      Anonymous   Recent American and Foreign Patents  . . 242--243
                      Anonymous   Applications for Extension of Patents    243--243
                      Anonymous   Official List of Patents . . . . . . . . 243--244

Scientific American
Volume 22, Number 16, April 16, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 251--251
                      Anonymous   Books: New Books and Publications  . . . 257--257
                      Anonymous   Business and Personal  . . . . . . . . . 258--258
                      Anonymous   Combined Safety Valve and Low-Water
                                  Alarm  . . . . . . . . . . . . . . . . . 247--247
                      Anonymous   Patent Right and Copyright . . . . . . . 247--248
                      Anonymous   Fur Seal Fishery in Alaska . . . . . . . 248--249
                     Duff Child   Deformed Feet and Shoes  . . . . . . . . 249--249
                      Anonymous   Comparison of the Refrigerative Effects
                                  of the Carre Apparatus and Common Ice    249--249
                      Anonymous   Barnacles  . . . . . . . . . . . . . . . 250--250
                      Anonymous   The Narwhal or Sea Unicorn . . . . . . . 250--250
                      Anonymous   Scientific Intelligence  . . . . . . . . 251--251
                      Anonymous   Wormood's Revolving Pay Box  . . . . . . 251--251
                      Anonymous   Vertical Multiplier  . . . . . . . . . . 251--253
                      Anonymous   Screw Piles  . . . . . . . . . . . . . . 253--254
                      Anonymous   Conklin's Detachable Lip for Bowls,
                                  Basins, Etc. . . . . . . . . . . . . . . 254--254
                      Anonymous   International Exhibition of 1871, in
                                  London . . . . . . . . . . . . . . . . . 255--255
                      Anonymous   Power and Efficiency of Screws . . . . . 255--255
                      Anonymous   Telo-Dynamic Cables  . . . . . . . . . . 255--255
                      Anonymous   Boiler Explosions  . . . . . . . . . . . 255--256
                      Anonymous   Charlatans and Charlatanism  . . . . . . 256--256
                      Anonymous   Experimental Test of the Laws of the
                                  Deflection of Beams  . . . . . . . . . . 256--256
                      Anonymous   Report of the New York Commissioners of
                                  Fisheries  . . . . . . . . . . . . . . . 256--257
                      Anonymous   Editorial Summary  . . . . . . . . . . . 257--257
                      Anonymous   Patent Office Decision . . . . . . . . . 257--257
                      Anonymous   United States Circuit Court at New
                                  Orleans  . . . . . . . . . . . . . . . . 257--258
                      Anonymous   Answers to Correspondents  . . . . . . . 258--258
                      Anonymous   Recent American and Foreign Patents  . . 258--259
                      Anonymous   Official List of Patents . . . . . . . . 259--260

Scientific American
Volume 22, Number 17, April 23, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 268--269
                      Anonymous   Books: New Books and Publications  . . . 273--274
                      Anonymous   Business and Personal  . . . . . . . . . 274--274
                      Anonymous   The Ballard Pavement . . . . . . . . . . 263--263
                       H. Knapp   Light and Vision --- More Especially How
                                  Light is Converted Into Thought  . . . . 264--264
                      Anonymous   Experiments on the Head of a Guillotined
                                  Patient  . . . . . . . . . . . . . . . . 264--265
                      Anonymous   A Trip Over the Central Pacific Railroad 265--266
                      Anonymous   Boring Insects . . . . . . . . . . . . . 266--267
                      Anonymous   Submerged Buoys as a Basis for
                                  Structures in Deep Water . . . . . . . . 267--267
                      Anonymous   Improved Packing Steam Drying Cylinders
                                  on Paper Machines  . . . . . . . . . . . 267--267
                      Anonymous   Editorial Summary  . . . . . . . . . . . 269--269
                      Anonymous   Stockwell's Improved Combination Tool    270--270
                      Anonymous   Kay's Patent Reversible Slide Valve and
                                  Swing Grate  . . . . . . . . . . . . . . 270--270
                      Anonymous   An Anglo--American Turkish Bath  . . . . 271--271
                      Anonymous   Steam Boiler Inspection  . . . . . . . . 271--271
                      Anonymous   Principle of the Lever . . . . . . . . . 271--271
                      Anonymous   The West Side Elevated Railway . . . . . 272--272
                      Anonymous   The Paris Observatory  . . . . . . . . . 272--272
                      Anonymous   Shut Your Mouth  . . . . . . . . . . . . 272--273
                      Anonymous   Comparison of Turbines with other Water
                                  Wheels . . . . . . . . . . . . . . . . . 273--273
                      Anonymous   Where and How Corks are Cut  . . . . . . 273--273
                      Anonymous   Answers to Correspondents  . . . . . . . 274--274
                      Anonymous   Recent American and Foreign Patents  . . 274--275
                      Anonymous   United States Supreme Court  . . . . . . 275--275
                      Anonymous   Official List of Patents . . . . . . . . 275--276
                      Anonymous   H. S. Patent Office  . . . . . . . . . . 276--276

Scientific American
Volume 22, Number 18, April 30, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 284--284
                      Anonymous   Business and Personal  . . . . . . . . . 290--290
                      Anonymous   Books: New Books and Publications  . . . 292--292
                      Anonymous   Improved Stall Floor for Horses, To
                                  Prevent Decay of Shingles, and more  . . 279--279
                       H. Knapp   Light and Vision --- More Especially How
                                  Light Is Converted Into Thought  . . . . 280--281
                      Anonymous   Mammalian Fossils --- A Facetious
                                  Reviewer . . . . . . . . . . . . . . . . 281--281
                  Rx J. Cantini   The Cocoa Palm . . . . . . . . . . . . . 281--281
                      Anonymous   Dugdale's Universal Clothes Washer . . . 282--284
                      Anonymous   Gentlemen Glass-Makers . . . . . . . . . 285--285
                      Anonymous   Langhorne's Improved Nut-Lock  . . . . . 285--286
                      Anonymous   Safety vs. Economy in the Construction
                                  of Steam Boilers . . . . . . . . . . . . 287--287
                      Anonymous   The Study of Impracticabilities  . . . . 287--287
                      Anonymous   New Mechanical Movements . . . . . . . . 287--287
                      Anonymous   Metallic Hydrogen  . . . . . . . . . . . 287--287
                      Anonymous   Uses of Fluor Spar . . . . . . . . . . . 287--288
                      Anonymous   The Increased Use of Cold-Rolled
                                  Shafting . . . . . . . . . . . . . . . . 288--288
                      Anonymous   Scientific Intelligence  . . . . . . . . 288--288
                      Anonymous   Morin's Experiments upon the Punching of
                                  Metals . . . . . . . . . . . . . . . . . 288--288
                      Anonymous   The Great Union Depot on Fourth Avenue,
                                  New York . . . . . . . . . . . . . . . . 288--289
                      Anonymous   Bill to Amend the Patent Laws Now
                                  Pending before Congress  . . . . . . . . 289--289
                      Anonymous   Electric Forces  . . . . . . . . . . . . 289--289
                      Anonymous   Instrument for Measuring the Deflection
                                  of Girders . . . . . . . . . . . . . . . 289--290
                      Anonymous   Editorial Summary  . . . . . . . . . . . 290--290
                      Anonymous   Answers to Correspondents  . . . . . . . 290--290
                      Anonymous   Recent American and Foreign Patents  . . 290--291
                      Anonymous   Official List of Patents . . . . . . . . 291--292

Scientific American
Volume 22, Number 20, May 14, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 315--318
                      Anonymous   Business and Personal  . . . . . . . . . 322--322
                      Anonymous   Improved Portable Engine for
                                  Agricultural Use . . . . . . . . . . . . 311--312
                      Anonymous   Meteors  . . . . . . . . . . . . . . . . 312--314
                      Anonymous   McNeil's Improved Tobacco Pipe . . . . . 314--315
                      Anonymous   Obituary --- Zerah Colburn, Engineer,
                                  and Leading Writer of Engineering Papers 315--315
                      Anonymous   The American Museum of Natural History   319--319
                      Anonymous   The Dangers of Drugs . . . . . . . . . . 319--319
                      Anonymous   Steam Boiler Inspection  . . . . . . . . 319--319
                      Anonymous   Mechanical Recreations . . . . . . . . . 319--320
                      Anonymous   Curious Associations among Animals . . . 320--320
                      Anonymous   Chemistry of Zirconium . . . . . . . . . 320--320
                      Anonymous   Scientific Intelligence  . . . . . . . . 320--321
                      Anonymous   United States District Court ---
                                  Southern District before Judge
                                  Blatchford Patent for Making Veneers . . 321--321
                      Anonymous   Applications for Extension of Patents    321--321
                      Anonymous   Recent American and Foreign Patents  . . 321--322
                      Anonymous   Answers to Correspondents  . . . . . . . 323--323
                      Anonymous   Official List of Patents . . . . . . . . 323--324

Scientific American
Volume 22, Number 21, May 21, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 332--332
                      Anonymous   Business and Personal  . . . . . . . . . 338--338
                      Anonymous   Books: New Books and Publications  . . . 340--340
                      Anonymous   Improvement in Marine Staterooms and
                                  Furniture, Presence of Mind, and more    327--327
                      Anonymous   Codfish as Food for Man, Beast, and
                                  Vegetable  . . . . . . . . . . . . . . . 328--329
                      Anonymous   The Wire Rope Tramway at Brighton
                                  England  . . . . . . . . . . . . . . . . 329--329
                 John G. Winton   Furrowing and Pitting in Locomotive
                                  Boilers  . . . . . . . . . . . . . . . . 329--330
               Edward C. H. Day   A Beetle on the War Path . . . . . . . . 331--331
                 Charles A. Joy   On Ruthenium . . . . . . . . . . . . . . 332--334
                      Anonymous   Rubber Tip for Furniture Legs  . . . . . 334--334
                      Anonymous   The Value of Science . . . . . . . . . . 335--335
                      Anonymous   Is Hydrogen a Metal? . . . . . . . . . . 335--335
                      Anonymous   How People Live Too Fast . . . . . . . . 335--335
                      Anonymous   The Steam Man  . . . . . . . . . . . . . 335--336
                      Anonymous   Washington Considered as a Place for an
                                  Exhibition . . . . . . . . . . . . . . . 336--336
                      Anonymous   Artificial Stone . . . . . . . . . . . . 336--336
                      Anonymous   The Yacht Races  . . . . . . . . . . . . 336--337
                      Anonymous   Answers to Correspondents  . . . . . . . 338--338
                      Anonymous   Recent American and Foreign Patents  . . 338--338
                      Anonymous   Official List of Patents . . . . . . . . 339--340

Scientific American
Volume 22, Number 22, May 28, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 348--348
                      Anonymous   Business and Personal  . . . . . . . . . 354--354
                      Anonymous   Improved Tobacco Press, White Brass, and
                                  more . . . . . . . . . . . . . . . . . . 343--343
               W. Bridges Adams   The Nature and Food of Man . . . . . . . 344--346
                      Anonymous   The Clothes-Moth and its Allies  . . . . 346--348
                    C. Widemann   Recent Advances in Electric Science  . . 348--348
                      Anonymous   The History, Science, and Art of
                                  Whipping . . . . . . . . . . . . . . . . 349--351
                      Anonymous   Patent Office Affairs  . . . . . . . . . 351--351
                      Anonymous   The City Transit Question  . . . . . . . 351--351
                      Anonymous   Advantages of Compressed Asphalte for
                                  Road-Ways, and the Production of Solid
                                  Surfaces for Other Purposes  . . . . . . 351--352
                      Anonymous   Photographic Exhibition and Dr. Vogel    352--352
                      Anonymous   Death of a Distinguished Professor . . . 352--352
                      Anonymous   Captain Ericsson's New Method of
                                  Submarine Attack . . . . . . . . . . . . 352--352
                      Anonymous   New York Lyceum of Natural History . . . 352--352
                      Anonymous   Manufacture of Grape Sugar . . . . . . . 352--352
                      Anonymous   A New Process for Fixing Images by
                                  Exposure to Heat . . . . . . . . . . . . 352--353
                      Anonymous   Scientific Intelligence  . . . . . . . . 353--353
                      Anonymous   A Clever Hoax --- Who is Dr. Ivan
                                  Slavonski? . . . . . . . . . . . . . . . 353--353
                      Anonymous   Editorial Summary  . . . . . . . . . . . 353--354
                      Anonymous   Answers to Correspondents  . . . . . . . 354--354
                      Anonymous   Recent American and Foreign Patents  . . 354--355
                      Anonymous   Official List of Patents . . . . . . . . 355--356
                      Anonymous   Applications for Extension of Patents    356--356

Scientific American
Volume 22, Number 23, June 4, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 364--364
                      Anonymous   Business and Personal  . . . . . . . . . 370--370
                      Anonymous   Air Target Pistol, Improved Peat Machine 359--359
                      Anonymous   What is Energy?  . . . . . . . . . . . . 360--360
                      Anonymous   Meat Preserving in Melbourne, Australia  361--361
               Edward C. H. Day   The Cockchafer and its Ravages . . . . . 362--363
                      Anonymous   Kemlo's Spring-Lock Fishhooks  . . . . . 363--364
                      Anonymous   New York Lyceum of Natural History . . . 365--365
                      Anonymous   Italian Maritime Exposition  . . . . . . 365--365
                      Anonymous   A New Spring at Saratoga . . . . . . . . 365--366
                      Anonymous   Improved Shovel Handle . . . . . . . . . 366--366
                      Anonymous   Deterioration of Coal by Exposure to the
                                  Air  . . . . . . . . . . . . . . . . . . 367--367
                      Anonymous   The use of Wire Rope in Civil and
                                  Mechanical Engineering . . . . . . . . . 367--367
                      Anonymous   The Impact of Bodies . . . . . . . . . . 367--367
                      Anonymous   The Problem of City Transit  . . . . . . 367--369
                      Anonymous   Patent Office Affairs  . . . . . . . . . 369--369
                      Anonymous   Beet Root Sugar in The United States . . 369--369
                      Anonymous   Applications for Extension of Patents    369--370
                      Anonymous   Answers to Correspondents  . . . . . . . 370--370
                      Anonymous   Recent American and Foreign Patents  . . 370--371
                      Anonymous   Official List of Patents . . . . . . . . 371--372

Scientific American
Volume 22, Number 24, June 11, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 380--380
                      Anonymous   Business and Personal  . . . . . . . . . 386--386
                      Anonymous   Beck's New Improved Self-Adjusting Vise  375--376
                      Anonymous   On the Conditions and Limits Which
                                  Govern the Proportions of Rotary Fans    376--377
               Edward C. H. Day   The Cockchafer and its Ravages . . . . . 378--378
                      Anonymous   The Roller Barrow  . . . . . . . . . . . 378--380
                 John R. Gordon   A Chapter on Cockroaches . . . . . . . . 381--381
                      John Wise   Balloon Varnishes  . . . . . . . . . . . 381--381
           H. Carrington Bolton   Scientific Periodicals Found in New York
                                  Libraries  . . . . . . . . . . . . . . . 381--382
                      Anonymous   The Metropolitan Museum of Art . . . . . 383--383
                      Anonymous   The Origin of the Reluctance with Which
                                  Mankind Receive New Ideas and Inventions 383--383
                      Anonymous   New Sugar Refining Process . . . . . . . 383--383
                      Anonymous   The Question of City Transit . . . . . . 384--384
                      Anonymous   Something about Horseshoes . . . . . . . 384--384
                      Anonymous   Recent Foreign Improvements  . . . . . . 384--384
                      Anonymous   Scientific Intelligence  . . . . . . . . 384--385
                      Anonymous   Georgia State Fair . . . . . . . . . . . 385--385
                      Anonymous   A Pneumatic Tube Four Hundred Miles Long 385--385
                      Anonymous   National Exhibition of the Argentine
                                  Republic . . . . . . . . . . . . . . . . 385--385
                      Anonymous   Reduction of the Public Debt . . . . . . 385--385
                      Anonymous   Patent Office Affairs  . . . . . . . . . 386--386
                      Anonymous   Answers to Correspondents  . . . . . . . 386--386
                      Anonymous   Recent American and Foreign Patents  . . 386--387
                      Anonymous   Official List of Patents . . . . . . . . 387--388

Scientific American
Volume 22, Number 25, June 18, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 396--398
                      Anonymous   Business and Personal  . . . . . . . . . 402--402
                      Anonymous   Books: New Books and Publications  . . . 404--404
                      Anonymous   The Alleghany Bridge at Pittsburgh, Pa,
                                  Selecting Durable and Perishable Timber  391--391
                      Anonymous   Scientific Intelligence  . . . . . . . . 392--393
               Edward C. H. Day   The Scorpion . . . . . . . . . . . . . . 394--395
                      Anonymous   Achenbach's Rein Holder  . . . . . . . . 395--396
                      Anonymous   Hotte's Improved Coffeepot . . . . . . . 398--398
                      Anonymous   Molecular Motion . . . . . . . . . . . . 399--399
                      Anonymous   Potash from Feldspar . . . . . . . . . . 399--399
                      Anonymous   The School of Mines, Columbia College    399--399
                      Anonymous   Conduction and Convection of Heat  . . . 399--400
                      Anonymous   Are Tin Fruit Cans a Source of Metallic
                                  Poisoning? . . . . . . . . . . . . . . . 400--400
                      Anonymous   The Mystery of Sleep . . . . . . . . . . 400--400
                      Anonymous   Primary School Education . . . . . . . . 400--400
                      Anonymous   A New Alkaloid in Opium  . . . . . . . . 400--401
                      Anonymous   Thirty-Ninth Industrial Exhibition of
                                  the American Institute . . . . . . . . . 401--401
                      Anonymous   Cincinnati Industrial Exhibition . . . . 401--401
                      Anonymous   New Mechanical Movements . . . . . . . . 401--401
                      Anonymous   Patent Office Affairs  . . . . . . . . . 401--402
                      Anonymous   Answers to Correspondents  . . . . . . . 402--402
                      Anonymous   Recent American and Foreign Patents  . . 402--403
                      Anonymous   Official List of Patents . . . . . . . . 403--404
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 404--406

Scientific American
Volume 22, Number 26, June 25, 1870

                      Anonymous   Business and Personal  . . . . . . . . . 417--417
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 419--420
                      Anonymous   The Wharfdale Two-Feeder Printing Press  407--408
                      Anonymous   Scientific Education for Women . . . . . 408--408
                      Anonymous   Habits of the Siriped Squibbel --- A
                                  White Wood-Chuck . . . . . . . . . . . . 409--409
                      Anonymous   Ancient and Modern Coinage . . . . . . . 409--410
                      Anonymous   Improved Match Safe  . . . . . . . . . . 410--411
                      Anonymous   The Bee-Eating Sand-Wasp . . . . . . . . 411--412
             Tilghman B. Vestal   The Mammoth Cave and the Cave Regions of
                                  Kentucky . . . . . . . . . . . . . . . . 412--413
                      Anonymous   Patent Office Affairs  . . . . . . . . . 413--414
                      Anonymous   Six Mouths of Progress in Mechanical and
                                  Civil Engineering  . . . . . . . . . . . 415--415
                      Anonymous   The Close of Volume XXII . . . . . . . . 415--415
                      Anonymous   Danger of Explosion and Collapse in
                                  Kitchen Boilers-How to Avoid it  . . . . 415--415
                      Anonymous   The Dawn of an Important Industry  . . . 415--416
                      Anonymous   Civilization Versus Nature . . . . . . . 416--416
                      Anonymous   Instruments for Sounding Alarms  . . . . 416--416
                      Anonymous   St. Anthony's Nose and the Manufacture
                                  of Sulphuric Acid  . . . . . . . . . . . 416--416
                      Anonymous   Extension of a Sewing Machine Patent . . 416--417
                      Anonymous   Recent American and Foreign Patents  . . 417--417
                      Anonymous   Official List of Patents . . . . . . . . 418--419
                      Anonymous   Answers to Correspondents  . . . . . . . 419--419


Scientific American
Volume 23, Number 1, July 2, 1870

                      Anonymous   Books: New Books and Publications  . . . 10--10
                      Anonymous   Business and Personal  . . . . . . . . . 10--10
                      Anonymous   The Peters Process of Manufacturing
                                  Steel from Pig Iron, Improved Oil-Stone
                                  Holder, and more . . . . . . . . . . . . 1--2
                      Anonymous   Pacific Hotel, Chicago . . . . . . . . . 2--2
                      Anonymous   Scientific Intelligence  . . . . . . . . 2--2
               Edward C. H. Day   Tussock-Moths  . . . . . . . . . . . . . 3--4
                      Anonymous   The Friction of Steam Engines  . . . . . 4--6
                      Anonymous   The Management of Railways . . . . . . . 7--7
                      Anonymous   Recent Progress in Chemistry . . . . . . 7--7
                      Anonymous   Other Worlds than Ours . . . . . . . . . 7--8
                      Anonymous   Macfie the Irrepressible upon Patent Law 8--8
                      Anonymous   Patent Rights in Congress  . . . . . . . 8--8
                      Anonymous   Uses of Fluor Spar . . . . . . . . . . . 8--8
                      Anonymous   Patent Office Affairs  . . . . . . . . . 8--8
                      Anonymous   The Report of Col. W. A. Roebling, Chief
                                  Engineer of the N.Y. Bridge Co . . . . . 8--10
                      Anonymous   Ice Pitcher Case. --- In the U. S.
                                  Circuit Court, Eastern District of
                                  Pennsylvania . . . . . . . . . . . . . . 10--10
                      Anonymous   Answers to Correspondents  . . . . . . . 10--10
                      Anonymous   Recent American and Foreign Patents  . . 10--11
                      Anonymous   Office List of Patents . . . . . . . . . 11--12
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 12--12

Scientific American
Volume 23, Number 2, July 9, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 20--20
                      Anonymous   Business and Personal  . . . . . . . . . 26--26
                      Anonymous   Books: New Books and Publications  . . . 28--28
                      Anonymous   Launching of the Great Caisson for the
                                  Brooklyn Terminus of the East River
                                  Bridge . . . . . . . . . . . . . . . . . 15--16
                     John Darby   The Disposal of Sewage . . . . . . . . . 16--17
                      Anonymous   What is Energy?  . . . . . . . . . . . . 17--18
               Edward C. H. Day   The Butterfly  . . . . . . . . . . . . . 19--20
                      Anonymous   What Inventors Say . . . . . . . . . . . 20--21
                Henry E. Colton   Adulteration of Paints . . . . . . . . . 21--21
                      Anonymous   Sirups for Soda Water  . . . . . . . . . 21--21
                      Anonymous   Editorial Summary  . . . . . . . . . . . 21--22
                      Anonymous   The Progress of Chemistry in 1870  . . . 23--23
                      Anonymous   Steam Road Rolling . . . . . . . . . . . 23--23
                      Anonymous   Gas as Fuel  . . . . . . . . . . . . . . 23--24
                      Anonymous   Hydrophobia and Dog Muzzling . . . . . . 24--24
                      Anonymous   Progress of Invention Abroad . . . . . . 24--24
                      Anonymous   The Stevens Institute of Technology  . . 24--24
                      Anonymous   Scientific Intelligence  . . . . . . . . 24--25
                      Anonymous   City Railroad Cars . . . . . . . . . . . 25--25
                      Anonymous   The New York Dock Commission --- The
                                  Principal Plans Submitted  . . . . . . . 25--26
                      Anonymous   Answers to Correspondents  . . . . . . . 26--26
                      Anonymous   Recent American and Foreign Patents  . . 26--27
                      Anonymous   Official List of Patents . . . . . . . . 27--28
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 28--28

Scientific American
Volume 23, Number 3, July 16, 1870

                      Anonymous   Books: New Books and Publications  . . . 42--42
                      Anonymous   Business and Personal  . . . . . . . . . 42--42
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 44--44
                      Anonymous   Manufacture of Zinc Oxide and Bartlett
                                  Lead . . . . . . . . . . . . . . . . . . 31--32
                      Anonymous   Steam on Common Roads  . . . . . . . . . 32--32
                      Anonymous   Is Man a Feeble Animal?  . . . . . . . . 33--33
                      Anonymous   Resemblances among Animals . . . . . . . 33--34
                      Anonymous   The Lantern Fly  . . . . . . . . . . . . 35--35
                      Anonymous   Curculio Extirpation Possible  . . . . . 35--35
                      Anonymous   Imported Insects and Native American
                                  Insects  . . . . . . . . . . . . . . . . 36--36
                      Anonymous   A Chill Room in a Meat Packers'
                                  Establishment  . . . . . . . . . . . . . 37--37
                      Anonymous   Facts and Recipes  . . . . . . . . . . . 37--37
                      Anonymous   Kelly's Lasting Machine Boring Bit . . . 38--38
                      Anonymous   Foster's Convertible Cultivator, Hoe,
                                  Fork, Rake, and Spade  . . . . . . . . . 38--38
                      Anonymous   Gas Stoves for Ordinary Domestic Use . . 39--39
                      Anonymous   Statics and Dynamics of Friction . . . . 39--39
                      Anonymous   The Darien Canal Survey  . . . . . . . . 39--39
                      Anonymous   A Denunciation of Water Meters . . . . . 39--40
                      Anonymous   A Glance at Aeronautical Science ---
                                  Review of a Paper Read at a Meeting of
                                  the Aeronautical Society in London, by
                                  W. Clare . . . . . . . . . . . . . . . . 40--40
                      Anonymous   The History of a Defunct Horse . . . . . 40--40
                      Anonymous   Ice by Machinery . . . . . . . . . . . . 40--40
                      Anonymous   Scientific Intelligence  . . . . . . . . 40--41
                      Anonymous   Vassar College . . . . . . . . . . . . . 41--41
                      Anonymous   A Sewing Machine-Patent Extension --- an
                                  Irate Opponent . . . . . . . . . . . . . 41--41
                      Anonymous   Correspondence of the
                                  \booktitleScientific American  . . . . . 41--42
                      Anonymous   Answers to Correspondents  . . . . . . . 42--42
                      Anonymous   Recent American and Foreign Patents  . . 42--43
                      Anonymous   Official List of Patents . . . . . . . . 43--44
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 44--44

Scientific American
Volume 23, Number 4, July 23, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 51--52
                      Anonymous   Business and Personal  . . . . . . . . . 58--58
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 60--60
                      Anonymous   Iron Bridge at Topeka, Kansas  . . . . . 48--48
                      Anonymous   Strange Drinks . . . . . . . . . . . . . 49--49
                      Anonymous   S. A, Woods' Self-Oiling Circular-Saw
                                  Arbors and Adjustable Cone Bushing . . . 50--50
                      Anonymous   Nickel-Plating --- Interesting to Marine
                                  Engineers  . . . . . . . . . . . . . . . 50--50
                      Anonymous   Mechanical Fingers . . . . . . . . . . . 50--50
                      Anonymous   The Hesperians . . . . . . . . . . . . . 51--51
                      Anonymous   The Scientific Education of Women  . . . 53--54
                      Anonymous   How the Heirs of an Inventor May be
                                  Rewarded . . . . . . . . . . . . . . . . 55--55
                      Anonymous   Synopsis of the Amended Patent Law . . . 55--55
                      Anonymous   Experiments with Gun Cotton  . . . . . . 55--55
                      Anonymous   The Manufacture of Beet-Root Sugar in
                                  England  . . . . . . . . . . . . . . . . 55--56
                      Anonymous   Paper and Paper Stock  . . . . . . . . . 56--56
                      Anonymous   Artificial Ultramarine . . . . . . . . . 56--56
                      Anonymous   Projected Ship Canals  . . . . . . . . . 56--56
                      Anonymous   Friction Matches . . . . . . . . . . . . 56--57
                      Anonymous   Report of the Department of Agriculture
                                  for May and June . . . . . . . . . . . . 57--57
                      Anonymous   Scientific Intelligence  . . . . . . . . 57--57
                      Anonymous   The Right of Appeal Maintained . . . . . 57--57
                      Anonymous   American Institute Exposition  . . . . . 57--58
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 58--58
                      Anonymous   Answers to Correspondents  . . . . . . . 58--58
                      Anonymous   Recent American and Foreign patents  . . 58--59
                      Anonymous   Official List of Patents . . . . . . . . 59--60

Scientific American
Volume 23, Number 5, July 30, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 68--69
                      Anonymous   Business and Personal  . . . . . . . . . 74--74
                      Anonymous   Improved Engraving Machine . . . . . . . 63--64
                      Anonymous   Richard Trevithick Inventor of the
                                  Locomotive . . . . . . . . . . . . . . . 64--65
             George S. Burleigh   Of Thought without Language  . . . . . . 65--66
                      Anonymous   Scientific Intelligence  . . . . . . . . 66--66
               Edward C. H. Day   The Hymenopters  . . . . . . . . . . . . 67--68
                    F. A. Howig   Experiments with Hydrate of Chloral  . . 69--69
                      Anonymous   A New Dodge in Hair Dyes . . . . . . . . 69--70
                      Anonymous   Alexander's Safety-Cap for Molasses,
                                  Varnish, and Oil Cans  . . . . . . . . . 70--70
                      Anonymous   Duckham's Hydrostatic Weighing Machine   70--70
                      Anonymous   Floato-Static Breakwater . . . . . . . . 70--70
                      Anonymous   Bessemer Steel --- American Improvements 71--71
                      Anonymous   New Mechanical Movements . . . . . . . . 71--71
                      Anonymous   A New Bleaching Agent  . . . . . . . . . 71--71
                      Anonymous   Can Mineral Matter be Assimilated in the
                                  Animal Economy?  . . . . . . . . . . . . 71--72
                      Anonymous   Progress of Invention Abroad . . . . . . 72--72
                      Anonymous   Liebig's Extract of Meat . . . . . . . . 72--72
                      Anonymous   Our Correspondence . . . . . . . . . . . 72--73
                      Anonymous   How Inventors are Appreciated in
                                  Congress . . . . . . . . . . . . . . . . 73--73
                      Anonymous   Action of Sea Water on the Metallic
                                  Fastenings of Ships  . . . . . . . . . . 73--73
                      Anonymous   Public Parks and Floral Decorations  . . 73--74
                      Anonymous   Rogers' Patent Price Current Books . . . 74--74
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 74--74
                      Anonymous   Answers to Correspondents  . . . . . . . 74--74
                      Anonymous   Recent American and Foreign Patents  . . 74--75
                      Anonymous   Official List of Patents . . . . . . . . 75--76

Scientific American
Volume 23, Number 6, August 6, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 84--85
                      Anonymous   Business and Personal  . . . . . . . . . 91--91
                      Anonymous   Universal Wood Working Machine . . . . . 79--79
                      Anonymous   The Grinding and Polishing of Plate
                                  Glass by Machinery . . . . . . . . . . . 80--82
                      Anonymous   The ``Farmer'' Fountain  . . . . . . . . 82--82
                      Anonymous   Anderson's Oil Safe  . . . . . . . . . . 82--82
                      Anonymous   The Prussian Needle Gun and the French
                                  Chas-Sepot Needle Gun  . . . . . . . . . 83--83
                      Anonymous   Hydraulic Machinery  . . . . . . . . . . 86--86
                      Anonymous   The Manufacture of Illuminating Gas  . . 87--87
                      Anonymous   Coating Vessels with Zinc  . . . . . . . 87--87
                      Anonymous   The New Patent Laws --- Important
                                  Changes Affecting American and Foreign
                                  Manufacturers --- Free Trade in Patents
                                  Now Fully Established  . . . . . . . . . 87--88
                      Anonymous   How Mercurial Thermometers are Made  . . 88--88
                      Anonymous   Is the Knowledge of English Grammar
                                  Necessary to the Writing of Good
                                  English? . . . . . . . . . . . . . . . . 88--88
                      Anonymous   Depreciation of American Vitality  . . . 88--88
                      Anonymous   Scientific Intelligence  . . . . . . . . 88--89
                      Anonymous   How our Wheat Crops are Handled  . . . . 89--90
                      Anonymous   Recent Americans and Foreign Patents . . 90--90
                      Anonymous   Answers to Correspondents  . . . . . . . 90--91
                      Anonymous   Official List of Patents . . . . . . . . 91--92

Scientific American
Volume 23, Number 7, August 13, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 100--102
                      Anonymous   Books: New Books and Publications  . . . 106--106
                      Anonymous   Business and Personal  . . . . . . . . . 106--106
                      Anonymous   Improved Turn-Table  . . . . . . . . . . 95--95
                      Anonymous   New Bread  . . . . . . . . . . . . . . . 95--96
                      Anonymous   Magnetism and Diamagnetism . . . . . . . 97--97
               Edward C. H. Day   The Leaf-Cutter Bee  . . . . . . . . . . 98--98
                      Anonymous   Harris' Patent Self-Acting Mashing
                                  Machine for the use of Brewers . . . . . 99--99
                      Anonymous   Patent Metallic Post Butt  . . . . . . . 99--100
                      Anonymous   Improved Weapons in European Warfare . . 103--103
                      Anonymous   The Law of Compensation  . . . . . . . . 103--104
                      Anonymous   Saratoga Springs . . . . . . . . . . . . 104--104
                      Anonymous   Ninety Degrees in the Shade  . . . . . . 104--104
                      Anonymous   The Action of Water on Lead, Tin, and
                                  Copper . . . . . . . . . . . . . . . . . 104--104
                      Anonymous   The uses of Soluble Glass  . . . . . . . 104--104
                      Anonymous   Who Discovered Nitro-Glycerin  . . . . . 104--105
               J. Dutton Steele   Compressed Air as a Motor for
                                  Subterranean Railways  . . . . . . . . . 105--105
                      Anonymous   Compressed Air, Ammonia, and Rubber vs.
                                  Mule Power . . . . . . . . . . . . . . . 105--105
                      Anonymous   Scientific Intelligence  . . . . . . . . 105--105
                      Anonymous   The Mitrailleuse . . . . . . . . . . . . 106--106
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 106--106
                      Anonymous   Answers to Correspondents  . . . . . . . 106--106
                      Anonymous   Recent American and Foreign Patents  . . 107--107
                      Anonymous   Official List of Patents . . . . . . . . 107--108

Scientific American
Volume 23, Number 8, August 20, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 116--117
                      Anonymous   Business and Personal  . . . . . . . . . 122--122
                      Anonymous   Improved Screw Steering Apparatus, The
                                  ``Siphon-Recorder'' for Submarine
                                  Cables, and more . . . . . . . . . . . . 111--111
                      Anonymous   The Artisan in France, Belgium, and
                                  Holland  . . . . . . . . . . . . . . . . 112--113
               Edward C. H. Day   The Orthopters --- The Grasshoppers and
                                  their Allies . . . . . . . . . . . . . . 114--114
                      Anonymous   The Strike of the ``Raffineurs'' at La
                                  Villette, France . . . . . . . . . . . . 115--116
                Septimus Piesse   Scientific and Practical Facts and Items 117--118
                      Anonymous   The Influence of War upon Inventions . . 119--119
                      Anonymous   Paper Money vs. Gold . . . . . . . . . . 119--119
                      Anonymous   The Sale of Explosive Illuminating
                                  Fluids . . . . . . . . . . . . . . . . . 119--119
                      Anonymous   Important to Manufacturers and Importers 119--120
                      Anonymous   Visit to the Delamater Iron Works, New
                                  York . . . . . . . . . . . . . . . . . . 120--120
                      Anonymous   Spontaneous Generation . . . . . . . . . 120--121
                      Anonymous   The Orange Judd Hall of Natural Science  121--121
                      Anonymous   Scientific Intelligence  . . . . . . . . 121--122
                      Anonymous   Answers to Correspondents  . . . . . . . 122--122
                      Anonymous   Recent American and Foreign Patents  . . 123--123
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 123--123
                      Anonymous   Official List of Patents . . . . . . . . 123--124

Scientific American
Volume 23, Number 9, August 27, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 132--133
                      Anonymous   Business and Personal  . . . . . . . . . 138--138
                      Anonymous   Books: New Books and Publications  . . . 140--140
                      Anonymous   Sternberg's Electro-Magnetic Regulator
                                  for Dampers and Valves, Hirn's
                                  Telodynamic Cable, and more  . . . . . . 127--127
                      Anonymous   On the Science of Sleep and Dreams . . . 128--129
                      Anonymous   Mountain Locomotive  . . . . . . . . . . 130--130
               Edward C. H. Day   The Migratory Locusts and their American
                                  Cousins  . . . . . . . . . . . . . . . . 131--131
                      Anonymous   The Science of Going to War --- How
                                  Prussia Is Superior to France  . . . . . 131--131
                      Anonymous   The True Theory of Flying  . . . . . . . 133--133
                      Anonymous   Diamond Cutting in Amsterdam . . . . . . 134--134
                      Anonymous   Melendy's Improved Combined Key Ring and
                                  Door Fastener with Compensator . . . . . 134--134
                      Anonymous   The uses of Sulphurous Acid  . . . . . . 135--135
                      Anonymous   Effect of Association upon Mental
                                  Development  . . . . . . . . . . . . . . 135--135
                      Anonymous   Who make Mistakes? . . . . . . . . . . . 135--135
                      Anonymous   Pen Stammering . . . . . . . . . . . . . 135--136
                      Anonymous   Radiation of Heat  . . . . . . . . . . . 136--136
                      Anonymous   The Commissioner Suspends a Patent Agent
                                  for Gross Misconduct . . . . . . . . . . 136--136
                      Anonymous   The Present European War . . . . . . . . 136--136
                      Anonymous   The Use of Torpedoes for Coast Defense   136--136
                      Anonymous   Death of Professor Palmstedt . . . . . . 136--136
                      Anonymous   Scientific Intelligence  . . . . . . . . 136--137
                      Anonymous   American Association for the Advancement
                                  of Science . . . . . . . . . . . . . . . 137--138
                      Anonymous   Answers to Correspondents  . . . . . . . 138--138
                      Anonymous   Recent American and Foreign Patents  . . 139--139
                      Anonymous   Official List of Patents . . . . . . . . 139--140
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 140--140

Scientific American
Volume 23, Number 10, September 3, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 148--148
                      Anonymous   Books: New Books and Publications  . . . 154--154
                      Anonymous   Business and Personal  . . . . . . . . . 154--155
                      Anonymous   Improved Dredging Machine  . . . . . . . 143--143
                   E. B. Marten   On Steam Boiler Inspection . . . . . . . 144--144
                      Anonymous   The Artisan in Prussia . . . . . . . . . 144--145
                      Anonymous   The Application of Photography to
                                  Military Purposes  . . . . . . . . . . . 145--146
               Edward C. H. Day   The Scarabæids  . . . . . . . . . . . . . 147--148
                      Anonymous   Stone Sawing . . . . . . . . . . . . . . 149--149
                      Anonymous   American Association for the Advancement
                                  of Science . . . . . . . . . . . . . . . 151--151
                      Anonymous   The St. Louis Bridge . . . . . . . . . . 151--151
                      Anonymous   A want in Locomotive Engineering . . . . 151--151
                      Anonymous   The Southern Demand for Machinery  . . . 151--152
                      Anonymous   Paraffine Industry . . . . . . . . . . . 152--152
                      Anonymous   Craik's Practical American Millwright
                                  and Miller . . . . . . . . . . . . . . . 152--152
                      Anonymous   The Millennium, or Something Like It . . 152--152
                      Anonymous   The Analysis of Milk . . . . . . . . . . 152--153
                      Anonymous   Divisibility of Matter and Size of
                                  Chemical Atoms . . . . . . . . . . . . . 153--153
                      Anonymous   Enterprising Journalism  . . . . . . . . 153--153
                      Anonymous   \$20,000 Bonus for a New Press . . . . . 153--153
                      Anonymous   Scientific Intelligence  . . . . . . . . 153--153
                      Anonymous   Hight and Weight . . . . . . . . . . . . 153--154
                      Anonymous   Answers to Correspondents  . . . . . . . 154--154
                      Anonymous   Recent American and Foreign Patents  . . 155--155
                      Anonymous   Official List of Patents . . . . . . . . 155--156

Scientific American
Volume 23, Number 11, September 10, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 164--166
                      Anonymous   Books: New Books and Publications  . . . 170--170
                      Anonymous   Business and Personal  . . . . . . . . . 170--170
                      Anonymous   Watchmaking in America . . . . . . . . . 159--164
                      Anonymous   The Carpenter Self-Threading and
                                  Self-Setting Needle for Sewing Machines  164--164
                      Anonymous   Social Classification  . . . . . . . . . 167--167
                      Anonymous   Influence of Sound upon Rain . . . . . . 167--167
                      Anonymous   Concrete Paving  . . . . . . . . . . . . 167--168
                      Anonymous   Destructive Action of Illuminating Gas
                                  on Vegetation  . . . . . . . . . . . . . 168--168
                      Anonymous   Boiler Incrustations . . . . . . . . . . 168--168
                      Anonymous   As Regards Protoplasm  . . . . . . . . . 168--168
                      Anonymous   Manufacture of Kumis . . . . . . . . . . 168--168
                      Anonymous   Raising of the Steamship ``Scotland''
                                  off Sandy Hook . . . . . . . . . . . . . 168--169
                   H. E. Colton   American Sumac . . . . . . . . . . . . . 169--170
                      Anonymous   Answers to Correspondents  . . . . . . . 171--171
                      Anonymous   Recent American and Foreign Patents  . . 171--171
                      Anonymous   Official List of Patents . . . . . . . . 171--172

Scientific American
Volume 23, Number 12, September 17, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 180--181
                      Anonymous   Business and Personal  . . . . . . . . . 186--186
                      Anonymous   Improved Cotton and Hay Press  . . . . . 175--175
                      Anonymous   Bells and Bell Metal . . . . . . . . . . 175--176
                      Anonymous   British Railway Signals  . . . . . . . . 176--176
                      Anonymous   The Artisan in Austria, Russia, and
                                  Sweden . . . . . . . . . . . . . . . . . 177--178
                      Anonymous   Gleason's Improved Band Saw  . . . . . . 178--179
               Edward C. H. Day   The Scarabæids --- The Flower Beetles and
                                  their Allies . . . . . . . . . . . . . . 179--180
             Archibald Maclaren   The Training of Prussian and French
                                  Soldiers . . . . . . . . . . . . . . . . 181--182
                      Anonymous   The Increasing Use of Glycerin . . . . . 183--183
                      Anonymous   The Government Storm Signals . . . . . . 183--183
                      Anonymous   Mechanical Drawing . . . . . . . . . . . 183--184
                      Anonymous   Female Inventive Talent  . . . . . . . . 184--184
                      Anonymous   American Magazine Literature . . . . . . 184--184
                      Anonymous   The Franco--Prussian War . . . . . . . . 184--184
                      Anonymous   The Sheffield Scientific School of Yale
                                  College  . . . . . . . . . . . . . . . . 185--185
                      Anonymous   Harvard School of Dentistry  . . . . . . 185--185
                      Anonymous   Scientific Intelligence  . . . . . . . . 185--186
                      Anonymous   Answers to Correspondents  . . . . . . . 186--186
                      Anonymous   Recent American and Foreign Patents  . . 186--187
                      Anonymous   Official List of Patents . . . . . . . . 187--188

Scientific American
Volume 23, Number 13, September 24, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 196--196
                      Anonymous   Business and Personal  . . . . . . . . . 202--202
                      Anonymous   Books: New Books and Publications  . . . 202--202
                      Anonymous   Improved Scroll-Sawing Machinery,
                                  Gutta-Percha . . . . . . . . . . . . . . 191--191
                      Anonymous   The History and Fortifications of Metz   191--192
                      Anonymous   Deep-Sea Exploration --- How Soundings
                                  are Obtained . . . . . . . . . . . . . . 192--193
                      Anonymous   The Artisan in Denmark, Spain, Portugal
                                  and Greece . . . . . . . . . . . . . . . 193--194
                      Anonymous   Improved Wicket for Canal Locks  . . . . 194--194
               Edward C. H. Day   The Spider . . . . . . . . . . . . . . . 195--195
                      Anonymous   The Electric Telegraph . . . . . . . . . 196--198
                      Anonymous   Freeland's Lock Nuts . . . . . . . . . . 198--198
                      Anonymous   Improved Stove Cover, Dish, and Kettle
                                  Lifter . . . . . . . . . . . . . . . . . 198--198
                      Anonymous   Modern Chemistry . . . . . . . . . . . . 199--199
                      Anonymous   What are our Colleges Doing? . . . . . . 199--199
                      Anonymous   The Draft of Vehicles  . . . . . . . . . 199--199
                      Anonymous   The Finishing and Decoration of
                                  Machinery  . . . . . . . . . . . . . . . 199--200
                      Anonymous   Progress of Foreign Invention  . . . . . 200--200
                      Anonymous   Chemical Experiments . . . . . . . . . . 200--200
                      Anonymous   The ``Worm'' on the Ailanthus  . . . . . 200--201
                      Anonymous   Fair of the American Institute . . . . . 201--201
                      Anonymous   Mileage System of Railroad Commutation
                                  Tickets  . . . . . . . . . . . . . . . . 201--202
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 202--202
                      Anonymous   Answers to Correspondents  . . . . . . . 202--202
                      Anonymous   Recent American and Foreign Patents  . . 202--203
                      Anonymous   Official List of Patents . . . . . . . . 203--204

Scientific American
Volume 23, Number 14, October 1, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 212--214
                      Anonymous   Books: New Books and Publications  . . . 218--218
                      Anonymous   Business and Personal  . . . . . . . . . 218--218
                      Anonymous   Krupp's 1,000-Pounder Siege Gun, Great
                                  Circle ``Travel''  . . . . . . . . . . . 207--207
                      Anonymous   Shortt's Self-Centering Sleeve Coupling  207--208
                      Anonymous   Bronze vs. Steel and Iron for Field
                                  Artillery  . . . . . . . . . . . . . . . 208--208
                      Anonymous   The Dissipation of Energy  . . . . . . . 208--209
                        W. Skey   On the Application of the Hot Blast to
                                  Blow-Pipe Purposes . . . . . . . . . . . 209--209
                      Anonymous   The Bridge de Laisne on the Railway from
                                  Soissons to Laon, in France  . . . . . . 210--210
                      Anonymous   Important Patent Office Decisions  . . . 211--211
                      Anonymous   Bussell's Disk Cultivator and Harrow . . 211--211
                      Anonymous   New Relations of Silica  . . . . . . . . 215--215
                      Anonymous   History and Progress of Photography  . . 215--215
                      Anonymous   The Use of Balloons in Warfare . . . . . 215--215
                      Anonymous   Fair of the American Institute . . . . . 216--216
                      Anonymous   Resources of the South --- Notes of a
                                  Trip from New York to Western Texas  . . 216--217
                      Anonymous   New Mechanical Movements . . . . . . . . 217--218
                      Anonymous   Scientific Intelligence  . . . . . . . . 218--218
                      Anonymous   Answers to Correspondents  . . . . . . . 218--218
                      Anonymous   Recent American and Foreign Patents  . . 219--219
                      Anonymous   Official List of Patents . . . . . . . . 219--220

Scientific American
Volume 23, Number 15, October 8, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 228--229
                      Anonymous   Books: New Books and Publications  . . . 234--234
                      Anonymous   Business and Personal  . . . . . . . . . 234--237
                      Anonymous   Boiler-Feed Regulator, Low-Water Alarm
                                  and Steam Trap . . . . . . . . . . . . . 223--223
                      Anonymous   Inaugural Address of the President,
                                  Thomas H. Huxley, LL.D., F.R.S., Etc.,
                                  Before the British Association for the
                                  Advancement of Science . . . . . . . . . 224--225
                      Anonymous   The Manufacture of Soluble Glass . . . . 225--225
                      Anonymous   Screw Reversing Gear for Locomotives . . 226--226
                      Anonymous   Hydro-Pneumatic Gun Carriage . . . . . . 227--227
                      Anonymous   Ponsard's Improvements in Apparatus for
                                  Puddling Iron, Etc.  . . . . . . . . . . 227--228
                      Anonymous   Fortifications and History of Strasbourg 229--230
                      Anonymous   Naval Architecture and Engineering . . . 231--231
                      Anonymous   A New Artificial Light . . . . . . . . . 231--231
                      Anonymous   Affairs in Paris . . . . . . . . . . . . 231--231
                      Anonymous   The Siege of Paris . . . . . . . . . . . 231--231
                      Anonymous   The Cheap Production of Potash . . . . . 231--232
                      Anonymous   Balancing Cylinders  . . . . . . . . . . 232--232
                      Anonymous   Fair of the American Institute . . . . . 232--234
                      Anonymous   Answers to Correspondents  . . . . . . . 235--235
                      Anonymous   Recent American and Foreign Patents  . . 235--235
                      Anonymous   Official List of Patents . . . . . . . . 235--236
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 236--236

Scientific American
Volume 23, Number 16, October 15, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 243--244
                      Anonymous   Business and Personal  . . . . . . . . . 250--250
                      Anonymous   Improved Stump Extractor, The
                                  ``Instrument Room'' of the Electric
                                  Telegraph, of London, and more . . . . . 239--239
                      Anonymous   Inaugural Address of the President,
                                  Thomas H. Huxley, Ll.D., F.R.S., Etc.,
                                  before the British Association for the
                                  Advancement of Science . . . . . . . . . 240--241
                      Anonymous   Costume and Art  . . . . . . . . . . . . 241--241
                      Anonymous   New Capitol for the State of New York    242--243
                      Anonymous   Design Patents . . . . . . . . . . . . . 244--244
                   Jacob Abbott   How Railroads are Made . . . . . . . . . 245--246
                      Anonymous   Improved Hand-Drilling Machine . . . . . 246--246
                      Anonymous   History of Chloroform  . . . . . . . . . 246--246
                      Anonymous   Central Park. New York --- Report of the
                                  Commissioners  . . . . . . . . . . . . . 247--247
                      Anonymous   Woodbury's Photo-Relief Process  . . . . 247--247
                      Anonymous   The Gatling Battery Gun in England . . . 247--248
                      Anonymous   Comparative Accuracy of Mercurial and
                                  Aneroid Barometers . . . . . . . . . . . 248--248
                      Anonymous   Fair of the American Institute . . . . . 248--249
                      Anonymous   What a Contrast  . . . . . . . . . . . . 249--249
                      Anonymous   Letters from the South, Etc. . . . . . . 249--249
                      Anonymous   Answers to Correspondents  . . . . . . . 250--250
                      Anonymous   Recent American and Foreign Patents  . . 250--251
                      Anonymous   Official List of Patents . . . . . . . . 251--252
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 252--252

Scientific American
Volume 23, Number 17, October 22, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 260--262
                      Anonymous   Books: New Books and Publications  . . . 265--265
                      Anonymous   Business and Personal  . . . . . . . . . 266--266
                      Anonymous   Improved Apparatus for Tanning Leather,
                                  Hard on Evans, and more  . . . . . . . . 255--255
                      Anonymous   Improved Door and Shutter Bolt . . . . . 255--255
                      Anonymous   Electrolytic Insulation  . . . . . . . . 256--256
                      Anonymous   The Excursion of the Boston Board of
                                  Trade over the Pacific Railroad --- The
                                  Pullman Palace Cars  . . . . . . . . . . 257--257
                      Anonymous   Transpiration in Plants  . . . . . . . . 258--258
                      Anonymous   Hickman's Hand Corn Planter  . . . . . . 258--258
                      Anonymous   Weatherhead's Dividers . . . . . . . . . 258--259
                      Anonymous   The Mantis . . . . . . . . . . . . . . . 259--259
                      Anonymous   The Carp Enter Self-Heating Fluting
                                  Machine  . . . . . . . . . . . . . . . . 262--262
                      Anonymous   Smoke Consumption  . . . . . . . . . . . 263--263
                      Anonymous   Effect of Artillery Discharges upon
                                  Weather  . . . . . . . . . . . . . . . . 263--263
                      Anonymous   Artificial Stone --- The Sorel Process   263--263
                      Anonymous   Progress in the Manufacture of Colors    264--264
                      Anonymous   Portable Dwelling Houses . . . . . . . . 264--264
                      Anonymous   Scientific Intelligence  . . . . . . . . 264--265
                      Anonymous   Fair of the American Institute . . . . . 265--265
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 265--266
                      Anonymous   Answers to Correspondents  . . . . . . . 266--266
                      Anonymous   Recent American and Foreign Patents  . . 266--267
                      Anonymous   Official List of Patents . . . . . . . . 267--268

Scientific American
Volume 23, Number 18, October 29, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 276--276
                      Anonymous   Books: New Books and Publications  . . . 281--282
                      Anonymous   Business and Personal  . . . . . . . . . 282--282
                      Anonymous   Improved Dish-Washing Machine, How
                                  Counterfeit Notes are Made, and more . . 271--271
                      Anonymous   The Island of Capri  . . . . . . . . . . 272--272
                      Anonymous   Rolling Loads  . . . . . . . . . . . . . 272--273
                   C. F. Deacon   On the Efficiency of Furnaces and
                                  Mechanical Firing  . . . . . . . . . . . 274--274
                      Anonymous   The Art of Tying Knots . . . . . . . . . 275--275
                      Anonymous   The Mechanics' Fair at Cincinnati, Ohio  276--277
                      Anonymous   Enlarging Photographs  . . . . . . . . . 277--278
                      Anonymous   Conical Surface Condenser  . . . . . . . 278--278
                      Anonymous   Central Shaft --- Hoosac Tunnel  . . . . 279--279
                      Anonymous   Measurement of Water Flowing through
                                  Pipes --- Water Meters . . . . . . . . . 279--279
                      Anonymous   Chemistry at the Fair of the American
                                  Institute  . . . . . . . . . . . . . . . 279--280
                      Anonymous   Scientific Intelligence  . . . . . . . . 280--280
                      Anonymous   Fair of the American Institute . . . . . 280--280
                      Anonymous   Letters from the South . . . . . . . . . 281--281
                      Anonymous   The Earthquake . . . . . . . . . . . . . 281--281
                      Anonymous   Recent American and Foreign Patents  . . 282--283
                      Anonymous   Official List of patents . . . . . . . . 283--284

Scientific American
Volume 23, Number 19, November 5, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 291--292
                      Anonymous   Business and Personal  . . . . . . . . . 298--299
                      Anonymous   Books: New Books and Publications  . . . 300--300
                      Anonymous   Steam Plow, on Improved Appliances for
                                  the Production of Heavy Forgings . . . . 287--288
                      Anonymous   The Labor Movement in England  . . . . . 288--289
                    John Gamgee   Chloralum --- A New Antiseptic . . . . . 289--290
                      Anonymous   A Dollar Steam Engine  . . . . . . . . . 290--291
                      Anonymous   Improved Elevator  . . . . . . . . . . . 291--291
             George B. Prescott   Automatic Telegraphy . . . . . . . . . . 292--293
                   J. R. Gordon   The Sea Urchin . . . . . . . . . . . . . 293--294
                      Anonymous   Chemistry at the Fair of the American
                                  Institute  . . . . . . . . . . . . . . . 295--295
                      Anonymous   The Tellier Ice Machine  . . . . . . . . 295--296
                      Anonymous   The Wages of Labor . . . . . . . . . . . 296--296
                      Anonymous   A Singular Monstrosity . . . . . . . . . 296--296
                      Anonymous   A Second Roger Bacon, and a Century of
                                  Inventions (Almost)  . . . . . . . . . . 296--296
                      Anonymous   Scientific Intelligence  . . . . . . . . 296--297
                      Anonymous   Letters from the South . . . . . . . . . 297--297
                      Anonymous   The Value of the Honey Bee in
                                  Agriculture  . . . . . . . . . . . . . . 297--298
                      Anonymous   Answers to Correspondents  . . . . . . . 298--298
                      Anonymous   Recent American and Foreign Patents  . . 299--299
                      Anonymous   Official List of Patents . . . . . . . . 299--300

Scientific American
Volume 23, Number 20, November 12, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 307--308
                      Anonymous   Business and Personal  . . . . . . . . . 314--314
                      Anonymous   Automatic Damper Regulator, Important
                                  Patent Decision, and more  . . . . . . . 303--303
                      Anonymous   Tripler's Railroad Tie . . . . . . . . . 303--303
                   John Tyndall   Scientific Use of the Imagination  . . . 304--305
                      Anonymous   The Power of Modern Skill in the
                                  Mechanic Arts  . . . . . . . . . . . . . 305--306
                      Anonymous   The Great Suspension Bridge between New
                                  York and Brooklyn --- Progress of the
                                  Work --- Its Present Condition --- Some
                                  Account of the Method of Procedure . . . 307--307
                      Anonymous   Blackboards  . . . . . . . . . . . . . . 309--310
                      Anonymous   Hutchinson's Locking Grate Bar . . . . . 310--310
                      Anonymous   Rating Steam Engines . . . . . . . . . . 311--311
                      Anonymous   Power of Prime Motors  . . . . . . . . . 311--311
                      Anonymous   The People Who Attend Fairs  . . . . . . 311--311
                      Anonymous   The World's Work, and Its Moral
                                  Necessity  . . . . . . . . . . . . . . . 311--312
           Augustus Matthiessen   Death of Three Distinguished Chemists    312--312
                      Anonymous   Transportation of Fresh Meats and
                                  Fruits, Etc., through Long Distances ---
                                  The Davis Refrigerator Car . . . . . . . 312--312
                      Anonymous   Chemistry at the Fair of the American
                                  Institute  . . . . . . . . . . . . . . . 312--313
                      Anonymous   Diamond Mining in South Africa . . . . . 313--314
                      Anonymous   Answers to Correspondents  . . . . . . . 314--314
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 314--314
                      Anonymous   Recent American and Foreign Patents  . . 315--315
                      Anonymous   Official List of Patents . . . . . . . . 315--316

Scientific American
Volume 23, Number 21, November 19, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 324--324
                      Anonymous   Business and Personal  . . . . . . . . . 330--330
                      Anonymous   Books: New Books and Publications  . . . 332--332
                      Anonymous   Improvement in Road Steamers . . . . . . 319--319
                   John Tyndall   Scientific use of the Imagination  . . . 320--321
                      Anonymous   Professor Tyndall's Lecture on
                                  Electrical Phenomena . . . . . . . . . . 321--322
                      Anonymous   The Stereoscope  . . . . . . . . . . . . 322--324
                      Anonymous   Progress of Invention Abroad . . . . . . 325--325
                      Anonymous   Scientific Intelligence  . . . . . . . . 325--325
                      Anonymous   Device for Spreading Circular Saw Teeth  326--326
                      Anonymous   Power's Endless Ladder Hod Elevator  . . 326--326
                      Anonymous   Bourne's Spherical Steam Engine Governor 326--326
                      Anonymous   How Long Shall Nitro-Glycerin Continue
                                  Its Work of Destruction? --- The
                                  Fairport Explosion . . . . . . . . . . . 327--327
                      Anonymous   Roads and Road-Making  . . . . . . . . . 327--327
                      Anonymous   The Motive Power of Expanding Gases  . . 327--328
                      Anonymous   Time and Distance  . . . . . . . . . . . 328--328
                      Anonymous   Resignation of Commissioner Fisher . . . 328--328
                      Anonymous   Attempt to Abolish the Patent Office . . 328--328
                      Anonymous   Letters from the South . . . . . . . . . 328--329
                      Anonymous   Razing Band Saws . . . . . . . . . . . . 329--329
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 329--329
                      Anonymous   Answers to Correspondents  . . . . . . . 329--330
                      Anonymous   Recent American and Foreign Patents  . . 330--331
                      Anonymous   Official List of Patents . . . . . . . . 331--332

Scientific American
Volume 23, Number 22, November 26, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 339--340
                      Anonymous   Business and Personal  . . . . . . . . . 345--346
                      Anonymous   Books: New Books and Publications  . . . 346--346
                      Anonymous   Improved Independent Shuttle-Motion
                                  Loom, How to Save Peach Trees  . . . . . 335--335
                   John Tyndall   Scientific Use of the Imagination  . . . 336--337
                      Dio Lewis   Notes and Maxims about Health  . . . . . 337--337
                      Anonymous   Steam Railroad Ferries between England
                                  and France . . . . . . . . . . . . . . . 338--339
                      Anonymous   The Balloon as an Aid to Meteorological
                                  Research . . . . . . . . . . . . . . . . 341--341
                      Anonymous   The Wyckoff Wood Pavement  . . . . . . . 342--342
                      Anonymous   Strong's Patent Fireplace  . . . . . . . 342--342
                      Anonymous   Pierced Cores in Metal Casting . . . . . 342--342
                      Anonymous   Improved Breast-Strap Protector for
                                  Harness  . . . . . . . . . . . . . . . . 342--342
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 342--342
                      Anonymous   The ``\booktitleScientific American''
                                  --- What it has Done and What it Expects
                                  to do  . . . . . . . . . . . . . . . . . 343--343
                      Anonymous   Beet-Root Sugar --- How the War is
                                  Likely to Affect the Manufacture in
                                  France . . . . . . . . . . . . . . . . . 343--343
                      Anonymous   Shad vs. Black Bass  . . . . . . . . . . 343--343
                      Anonymous   The Principle of Bracing . . . . . . . . 343--344
                      Anonymous   Pyrotechnic Mixtures . . . . . . . . . . 344--344
                      Anonymous   Application of Ruhmkorff's Induction
                                  Coil to the Copying of Drawings  . . . . 344--344
                      Anonymous   Letters from the South . . . . . . . . . 344--345
                      Anonymous   Applications for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 345--345
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 346--346
                      Anonymous   Answers to Correspondents  . . . . . . . 346--346
                      Anonymous   Recent American and Foreign Patents  . . 346--347
                      Anonymous   Official List of Patents . . . . . . . . 347--348

Scientific American
Volume 23, Number 23, December 3, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 356--356
                      Anonymous   Books: New Books and Publications  . . . 362--362
                      Anonymous   Business and Personal  . . . . . . . . . 362--362
                      Anonymous   Molding, Carving, and Paneling Machine,
                                  Mount Seward in the Adirondacks, and
                                  more . . . . . . . . . . . . . . . . . . 351--351
                      Anonymous   Iron and Its Manufacture . . . . . . . . 352--355
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 355--356
                      Anonymous   High and Low Water Alarm for Steam
                                  Boilers  . . . . . . . . . . . . . . . . 356--356
                      Anonymous   Device for Sharpening Horseshoe Calks    356--356
                   James Parton   Samuel F. B. Morse . . . . . . . . . . . 357--358
                      Anonymous   Apparatus for making and Inhaling Oxygen 358--358
                      Anonymous   \booktitleScientific American  . . . . . 359--359
                      Anonymous   Heating of Buildings . . . . . . . . . . 359--359
                      Anonymous   To Make a Cheap and Good Small Ice House 359--359
                      Anonymous   Boiler Explosions  . . . . . . . . . . . 359--360
                      Anonymous   A Brutal Exhibition  . . . . . . . . . . 360--360
                      Anonymous   Spiritualism and Science . . . . . . . . 360--361
                      Anonymous   Scientific Intelligence  . . . . . . . . 361--361
                      Anonymous   Letters from the south . . . . . . . . . 361--361
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 362--362
                      Anonymous   Answers to Correspondents  . . . . . . . 362--363
                      Anonymous   Recent American and Foreign Patents  . . 363--363
                      Anonymous   Official List of Patents . . . . . . . . 363--364

Scientific American
Volume 23, Number 25, December 17, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 388--390
                      Anonymous   Books: New Books and Publications  . . . 394--394
                      Anonymous   Business and Personal  . . . . . . . . . 395--395
                      Anonymous   Improved Street Letter-Box for Lamp
                                  Posts, History of Carpeting, and more    383--385
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 385--386
                      Anonymous   Adjustable Stand for Draftsmen . . . . . 386--387
                      Anonymous   Tunnel Excavator . . . . . . . . . . . . 387--387
                      Anonymous   Exercising Apparatus . . . . . . . . . . 387--387
                      Anonymous   Siemens' Pyrometer . . . . . . . . . . . 387--388
                      Anonymous   Dr. Doremus on the Triumphs of Science   388--388
                      Anonymous   Illinois and St. Louis Bridge Company
                                  --- Report of Capt. James B. Eads, Chief
                                  Engineer . . . . . . . . . . . . . . . . 391--391
                      Anonymous   Explosions from Hydraulic Pressure . . . 391--391
                      Anonymous   Artesian Wells . . . . . . . . . . . . . 391--391
                      Anonymous   Scientific Administration  . . . . . . . 391--392
                      Anonymous   The Great British Problem  . . . . . . . 392--392
                      Anonymous   The Foremanizing Process for Preserving
                                  Timber, The Victims of Its Poisonous
                                  Effects, and the Suits at Law Which have
                                  been Instituted to Recover Damages . . . 392--392
                      Anonymous   Scientific Intelligence  . . . . . . . . 392--393
                      Anonymous   \booktitleScientific American  . . . . . 393--393
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 394--394
                      Anonymous   Answers to Correspondents  . . . . . . . 394--395
                      Anonymous   Recent American and Foreign Patents  . . 395--395
                      Anonymous   Official List of Patents . . . . . . . . 395--396

Scientific American
Volume 23, Number 26, December 24, 1870

                      Anonymous   Correspondence . . . . . . . . . . . . . 404--404
                      Anonymous   Books: New Books and Publications  . . . 408--408
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 410--411
                      Anonymous   Business and Personal  . . . . . . . . . 412--412
                      Anonymous   Improved Independent Shuttle-Motion Loom 399--399
                      Anonymous   Progress of Foreign Invention  . . . . . 400--401
                      Anonymous   Mercurial Pump without Valves or
                                  Stop-Cocks . . . . . . . . . . . . . . . 402--402
                      Anonymous   Milking-Stool and Pail-Holder  . . . . . 402--402
                      Anonymous   Improved Mop Wringer . . . . . . . . . . 402--402
                      Anonymous   A New Ink for Printers . . . . . . . . . 402--402
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 402--404
                        T. Main   Successful Application of Steam to Canal
                                  Boats  . . . . . . . . . . . . . . . . . 405--405
                      Anonymous   Eyesight and the Microscope  . . . . . . 405--406
                      Anonymous   Gas Stove  . . . . . . . . . . . . . . . 406--406
                      Anonymous   Automatic Boiler Feeder  . . . . . . . . 406--406
                      Anonymous   Proprietors and Foremen  . . . . . . . . 407--407
                      Anonymous   How Vermicelli and Macaroni are Made . . 407--407
                      Anonymous   Close of Volume XXIII  . . . . . . . . . 407--407
                      Anonymous   Removing Street Snow and Ice . . . . . . 407--407
                      Anonymous   Success as the Measure of Ability  . . . 407--407
                      Anonymous   The Relation of Mineralogy to Chemistry  407--408
                      Anonymous   \booktitleScientific American  . . . . . 408--408
                      Anonymous   Timely Suggestions . . . . . . . . . . . 408--408
                      Anonymous   Recent American and Foreign Patents  . . 408--409
                      Anonymous   Official List of Patents . . . . . . . . 409--410
                      Anonymous   Applications for Extension of Patents    410--410
                      Anonymous   Answers to Correspondents  . . . . . . . 410--410


Scientific American
Volume 24, Number 1, January 1, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 4--4
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 9--9
                      Anonymous   Business and Personal  . . . . . . . . . 10--10
                      Anonymous   Thomas Henry Huxley  . . . . . . . . . . 1--2
                      Anonymous   Machine for Oiling Wool  . . . . . . . . 2--2
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 2--2
                      Anonymous   Improved Chimney Cleaner . . . . . . . . 2--3
                      Anonymous   Carbureted Hydrogen Gas  . . . . . . . . 3--4
                    D. H. Craig   Automatic Telegraphy . . . . . . . . . . 4--4
                      Anonymous   Dr. Doremus on the Triumphs of Science   5--5
                      Anonymous   American Institute Lectures. --- The
                                  Struggles of Science . . . . . . . . . . 5--6
                      Anonymous   Six Months of Progress in Engineering    7--7
                      Anonymous   Progress of Chemical Science . . . . . . 7--7
                      Anonymous   The Solar Eclipse of 22d December, 1870  7--8
                      Anonymous   Testing the Strength of Boilers by Steam
                                  Pressure . . . . . . . . . . . . . . . . 8--8
                      Anonymous   Standard Public Time . . . . . . . . . . 8--8
                      Anonymous   The Uses of Dissociation . . . . . . . . 8--8
                      Anonymous   Fatal Explosion of a Gasoline Reservoir
                                  --- A Warning to Mechanics . . . . . . . 8--9
                      Anonymous   Harvey Brown . . . . . . . . . . . . . . 9--9
                      Anonymous   \booktitleScientific American 1871 . . . 9--9
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 9--9
                      Anonymous   Answers to Correspondents  . . . . . . . 9--9
                      Anonymous   Recent American and Foreign Patents  . . 10--11
                      Anonymous   Official List of Patents . . . . . . . . 11--12

Scientific American
Volume 24, Number 2, January 7, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 20--21
                      Anonymous   Business and Personal  . . . . . . . . . 26--26
                      Anonymous   Mammoth Cylinder Lithographic Machine    15--15
                      Anonymous   How We Stand and Walk  . . . . . . . . . 16--16
                      Anonymous   Manufacture of Saws in Sheffield . . . . 16--18
                      Anonymous   Improvement in Water Wheels  . . . . . . 18--18
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 19--19
                      Anonymous   The Hail-Storm of June 20, 1870  . . . . 19--19
                      Anonymous   Implement for Grinding Valves  . . . . . 19--20
                      Anonymous   Eastern Long Island --- Menhaden Oil and
                                  the Fisheries  . . . . . . . . . . . . . 21--21
            Daniel Knode Winder   What Causes Aurora Borealis? . . . . . . 21--21
                      Anonymous   Improved Self-Locking Stove Leg  . . . . 22--22
                      Anonymous   Gun Cotton . . . . . . . . . . . . . . . 22--22
                      Anonymous   Chubbuck's Patent Piston and Packing . . 22--22
                      Anonymous   Booton's Shot Case and Distributer . . . 22--22
                      Anonymous   Where is the Limit of Invention? . . . . 23--23
                      Anonymous   The Profession of the Mechanical or
                                  Dynamical Engineer . . . . . . . . . . . 23--23
                      Anonymous   The Mont Cenis Tunnel Completed  . . . . 23--23
                      Anonymous   Pavements  . . . . . . . . . . . . . . . 23--24
                      Anonymous   Air Light  . . . . . . . . . . . . . . . 24--24
                      Anonymous   Waste Liquors of Paper Mills . . . . . . 24--24
                      Anonymous   Spiritualism and Science . . . . . . . . 24--24
                      Anonymous   Alloy of Lead and Platinum . . . . . . . 25--25
                      Anonymous   \booktitleScientific American 1871 . . . 25--25
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 25--25
                      Anonymous   Answers to Correspondents  . . . . . . . 26--26
                      Anonymous   Applications for Extension of Patents    26--26
                      Anonymous   Recent American and Foreign Patents  . . 26--27
                      Anonymous   Official List of Patents . . . . . . . . 27--28

Scientific American
Volume 24, Number 3, January 14, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 35--38
                      Anonymous   Books: New Books and Publications  . . . 42--42
                      Anonymous   Business and Personal  . . . . . . . . . 42--42
                      Anonymous   Improved Cotton Press, Boring Machines
                                  at the Mont Cenis Tunnel . . . . . . . . 31--31
                      Anonymous   Stow's Non-corroding Water and Gas Pipe  31--31
                      Anonymous   Washing Shield . . . . . . . . . . . . . 31--31
                      Anonymous   Talking Machines . . . . . . . . . . . . 32--33
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 34--34
                      Anonymous   Anti-Snoring Device  . . . . . . . . . . 34--34
                      Anonymous   Improved Hitching Post . . . . . . . . . 34--34
                      Anonymous   Paint-Pot Holder . . . . . . . . . . . . 34--34
                      Anonymous   Merriman's Improved Water-Proof Dress
                                  and Life Preserver . . . . . . . . . . . 38--38
                      Anonymous   The New Commissioner of Patents  . . . . 39--39
                      Anonymous   The Proposed Fair of the American
                                  Institute in 1876  . . . . . . . . . . . 39--39
                      Anonymous   Mechanical Power . . . . . . . . . . . . 39--39
                      Anonymous   Object Teaching and Science  . . . . . . 39--40
                      Anonymous   Social Science . . . . . . . . . . . . . 40--40
                      Anonymous   The Failure of the Hon. Oakes Ames . . . 40--40
                      Anonymous   Railroad Progress in the Southern States 40--41
                      Anonymous   On Blood and Its Uses  . . . . . . . . . 41--41
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 41--41
                      Anonymous   Answers to Correspondents  . . . . . . . 42--42
                      Anonymous   Recent American and Foreign Patents  . . 42--43
                      Anonymous   Official List of Patents . . . . . . . . 43--44

Scientific American
Volume 24, Number 4, January 21, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 52--52
                      Anonymous   Business and Personal  . . . . . . . . . 58--59
                      Anonymous   Books: New Books and Publications  . . . 60--60
                      Anonymous   Watts and Phelps' Variable Cut-off,
                                  French Ironing Table . . . . . . . . . . 47--47
                      Anonymous   Xylonite . . . . . . . . . . . . . . . . 48--48
                      Anonymous   The Triumphs of Surgery  . . . . . . . . 48--49
                      Anonymous   Improved Door Guard  . . . . . . . . . . 50--50
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 50--51
                      Anonymous   Wire Stretcher for Fence Building  . . . 51--51
                      Anonymous   Intrenching Tool . . . . . . . . . . . . 51--51
                      Anonymous   Post-Hole Borer  . . . . . . . . . . . . 51--51
                      Anonymous   Shoemaker's Tool . . . . . . . . . . . . 51--51
                      Anonymous   An Idle Day at Fall River, Mass  . . . . 53--54
                      Anonymous   Facts and Figures about the Mont Cenis
                                  Tunnel . . . . . . . . . . . . . . . . . 55--55
                      Anonymous   What Ought a Mechanic to Know? . . . . . 55--55
                      Anonymous   Railroad Monopolies  . . . . . . . . . . 55--56
                      Anonymous   American Gas Wells . . . . . . . . . . . 56--56
                      Anonymous   The U.S. Signal Service and Storm
                                  Signals  . . . . . . . . . . . . . . . . 56--56
                      Anonymous   New Chemical Products  . . . . . . . . . 56--56
                      Anonymous   Vapor Lamps and Vapor Stoves . . . . . . 56--56
                      Anonymous   Progress of Foreign Invention  . . . . . 57--58
                      Anonymous   Important Patent Decision  . . . . . . . 58--58
                      Anonymous   Answers to Correspondents  . . . . . . . 59--59
                      Anonymous   Recent American and Foreign Patents  . . 59--59
                      Anonymous   Applications for Extension of Patents    59--59
                      Anonymous   Official List of Patents . . . . . . . . 60--60

Scientific American
Volume 24, Number 5, January 28, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 68--70
                      Anonymous   Business and Personal  . . . . . . . . . 74--74
                      Anonymous   Books: New Books and Publications  . . . 75--75
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 75--75
                      Anonymous   Improved Vertical Portable Engine, The
                                  Place of the Mitrailleur in War  . . . . 63--63
                      Anonymous   Our Eyes, and How to Take Care of them   64--64
                      Anonymous   The Rattan Factories at Wakefield Mass   64--65
                      Anonymous   Combined Tool  . . . . . . . . . . . . . 66--66
                      Anonymous   Cast Iron Chimney  . . . . . . . . . . . 66--66
                      Anonymous   Automatic Toy  . . . . . . . . . . . . . 66--66
                      Anonymous   Improved Pliers  . . . . . . . . . . . . 66--67
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 67--68
                      Anonymous   Improved Gate  . . . . . . . . . . . . . 70--70
                      Anonymous   Narrow and Wide Gages  . . . . . . . . . 71--71
                      Anonymous   Hints to Mechanics . . . . . . . . . . . 71--71
                      Anonymous   The Conveyance of Various Fluids through
                                  Pipes  . . . . . . . . . . . . . . . . . 71--72
                      Anonymous   International Industrial Competition . . 72--72
                      Anonymous   Naphthaline and Its Uses . . . . . . . . 72--72
                      Anonymous   Railroad Litigation  . . . . . . . . . . 72--72
                      Anonymous   New York Photograph Galleries  . . . . . 72--73
                      Anonymous   The Present and the Past . . . . . . . . 73--73
                      Anonymous   Obituary --- Henry Burden of Troy, N.Y.  73--74
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 74--74
                      Anonymous   Answers to Correspondents  . . . . . . . 74--74
                      Anonymous   Applications for Extension of Patents    75--75
                      Anonymous   Recent American and Foreign Patents  . . 75--75
                      Anonymous   Official List of Patents . . . . . . . . 75--76

Scientific American
Volume 24, Number 6, February 4, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 84--86
                      Anonymous   Business and Personal  . . . . . . . . . 91--91
                      Anonymous   Books: New Books and Publications  . . . 91--91
                      Anonymous   Utilizing Waste Heat from Steam Engines
                                  and Boilers  . . . . . . . . . . . . . . 79--79
                      Anonymous   The Water We Drink . . . . . . . . . . . 80--80
                      Anonymous   The Year and the Day . . . . . . . . . . 81--81
                      Anonymous   Improved Externally Adjustable Packing
                                  for Pistons  . . . . . . . . . . . . . . 82--82
                      Anonymous   Scrubbing Machine  . . . . . . . . . . . 82--82
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 82--83
                      Anonymous   Quartz Crusher . . . . . . . . . . . . . 83--83
                      Anonymous   Action of the Reciprocating Parts of
                                  Steam Engines, and Its Influence on the
                                  Problem of High Piston-Speed . . . . . . 83--84
                      Anonymous   Improved Sewing Machine  . . . . . . . . 86--86
                      Anonymous   English and American Scientific,
                                  Mechanical, and Engineering Journalism   87--87
                      Anonymous   Soluble Glass  . . . . . . . . . . . . . 87--87
                      Anonymous   Type-Setting Machines  . . . . . . . . . 87--87
                      Anonymous   The Uses of Habit  . . . . . . . . . . . 87--87
                      Anonymous   The Scientific Value of the Central Park 88--88
                      Anonymous   The Eclipse Expeditions  . . . . . . . . 88--88
                      Anonymous   The Present and the Past . . . . . . . . 88--89
                      Anonymous   Thatch Made by Sewing Machines . . . . . 89--89
                      Anonymous   Obituary. --- Hon. David Lyman . . . . . 89--89
                      Anonymous   Cryolite and Its Uses  . . . . . . . . . 89--89
                      Anonymous   A Remarkable Body of Water . . . . . . . 90--90
                      Anonymous   Answers to Correspondents  . . . . . . . 90--90
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 91--91
                      Anonymous   Recent American and Foreign Patents  . . 91--91
                      Anonymous   Official List of Patents . . . . . . . . 91--92

Scientific American
Volume 24, Number 7, February 11, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 99--100
                      Anonymous   Books: New Books and Publications  . . . 105--106
                      Anonymous   Business and Personal  . . . . . . . . . 106--106
                      Anonymous   Cochrane's Mariner's Sound Indicator,
                                  Purifying Gas and Soap Limes . . . . . . 95--95
                      Anonymous   Device for Closing Ruptures in Fire Hose 95--95
                      Anonymous   A Woman's View of the Patent Office  . . 96--96
                      Anonymous   The Incrustation of Boilers  . . . . . . 97--97
                      Anonymous   The Land of Fire and Ice . . . . . . . . 97--98
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 98--99
                      Anonymous   Improved Cistern Filter  . . . . . . . . 99--99
                      Anonymous   Pruning Shears . . . . . . . . . . . . . 99--99
                      Anonymous   A Romance of Science . . . . . . . . . . 101--102
                      Anonymous   Improved Coal Ash Sifter . . . . . . . . 102--102
                      Anonymous   Cod-Liver Oil  . . . . . . . . . . . . . 102--102
                      Anonymous   An Invention Wanted to Clean the Streets
                                  of Snow. Solution of the Problem to be
                                  Found in Steam . . . . . . . . . . . . . 103--103
                      Anonymous   The Adulteration of Petroleum  . . . . . 103--103
                      Anonymous   ``And There were Giants in Those Days''
                                  --- The Largest Inventor Yet --- A Most
                                  Remarkable Family of Gigantic Turks  . . 103--103
                      Anonymous   Excavation and Embankment Tables . . . . 103--103
                      Anonymous   The Alloys of Copper . . . . . . . . . . 103--104
                      Anonymous   The Downfall of Paris  . . . . . . . . . 104--104
                      Anonymous   Boynton's Lightning Saw  . . . . . . . . 104--104
                      Anonymous   The Present and the Past . . . . . . . . 104--105
                      Anonymous   Scientific Intelligence  . . . . . . . . 105--105
                      Anonymous   Answers to Correspondents  . . . . . . . 106--106
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 106--107
                      Anonymous   Recent American and Foreign Patents  . . 107--107
                      Anonymous   Official List of Patents . . . . . . . . 107--108

Scientific American
Volume 24, Number 8, February 18, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 115--118
                      Anonymous   Business and Personal  . . . . . . . . . 122--122
                      Anonymous   Improved Water Grate and Steam
                                  Generator, How Eyes are Made . . . . . . 111--112
                      Anonymous   Enameling Wood Work  . . . . . . . . . . 112--113
                      Anonymous   A New Stone  . . . . . . . . . . . . . . 113--113
                      Anonymous   Exercising Club  . . . . . . . . . . . . 114--114
                      Anonymous   The Present and the Past . . . . . . . . 114--114
                      Anonymous   Knapp's Fluting and Flat Iron  . . . . . 114--114
                      Anonymous   Agricultural Patents of the Year . . . . 115--115
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 115--115
                      Anonymous   Kerosene Murder  . . . . . . . . . . . . 119--119
                      Anonymous   Organic Matter in Water  . . . . . . . . 119--119
                      Anonymous   Stone Cutting by Machinery . . . . . . . 119--119
                      Anonymous   The Electro Deposition of Copper and
                                  Brass  . . . . . . . . . . . . . . . . . 119--120
                      Anonymous   The Uses of Apatite  . . . . . . . . . . 120--120
                      Anonymous   The Average City Dwelling House  . . . . 120--121
                      Anonymous   Annual Report of Commissioner of Patents 121--121
                      Anonymous   New Patent Law of 1870 . . . . . . . . . 121--122
                      Anonymous   Answers to Correspondents  . . . . . . . 122--122
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 122--122
                      Anonymous   Recent American and Foreign Patents  . . 123--123
                      Anonymous   Applications for Extension of Patents    123--123
                      Anonymous   Official List of Patents . . . . . . . . 123--123

Scientific American
Volume 24, Number 9, February 25, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 132--133
                      Anonymous   Business and Personal  . . . . . . . . . 138--138
                      Anonymous   Improved Extension Table . . . . . . . . 127--127
                      Anonymous   Elastic Metallic Rocking Chair . . . . . 127--127
                      Anonymous   Poetry and Patents . . . . . . . . . . . 128--128
                      Anonymous   Facts About the River Amazon. --- Steam
                                  Navigation and Railroads . . . . . . . . 128--128
                      Anonymous   The Ancient Brewers of New York  . . . . 129--129
                      Anonymous   Oak Graining . . . . . . . . . . . . . . 129--129
                      Anonymous   Dyers' Recipes . . . . . . . . . . . . . 129--130
                      Anonymous   Pyrometer  . . . . . . . . . . . . . . . 130--130
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 131--131
                      Anonymous   W. Mattieu Williams on the Bessemer
                                  Process  . . . . . . . . . . . . . . . . 131--132
                      Anonymous   Interesting School Statistics  . . . . . 133--134
                      Anonymous   Hand Sewing Machine  . . . . . . . . . . 134--134
                      Anonymous   The Hudson River Railroad Disaster . . . 135--135
                      Anonymous   Toughening and Refining Gold . . . . . . 135--135
                      Anonymous   Electro-Metallurgy . . . . . . . . . . . 135--135
                      Anonymous   The Largest Gun in the World . . . . . . 135--135
                      Anonymous   A Remarkable Geological Discovery  . . . 136--136
                      Anonymous   The Pecuniary Prospects of the East
                                  River Bridge . . . . . . . . . . . . . . 136--136
                      Anonymous   Intelligent Legislation About Medical
                                  Prescriptions  . . . . . . . . . . . . . 136--136
                      Anonymous   How the Ice Bridge is Formed in the East
                                  River  . . . . . . . . . . . . . . . . . 136--136
                      Anonymous   Progress of Foreign Invention  . . . . . 136--137
                      Anonymous   The Present and The Past . . . . . . . . 137--137
                      Anonymous   Scientific Intelligence  . . . . . . . . 137--137
                      Anonymous   Recent Decisions at the Patent Office    137--138
                      Anonymous   Answers to Correspondents  . . . . . . . 138--138
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 138--138
                      Anonymous   New Books and Publications . . . . . . . 138--138
                      Anonymous   Applications for Extension of Patents    139--139
                      Anonymous   New Patent Law of 1870 . . . . . . . . . 139--139
                      Anonymous   Recent American and Foreign Patents  . . 139--139
                      Anonymous   Official List of Patents . . . . . . . . 139--140

Scientific American
Volume 24, Number 10, March 4, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 147--148
                      Anonymous   Business and Personal  . . . . . . . . . 154--154
                      Anonymous   Books: New Books and Publications  . . . 155--155
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 155--155
                      Anonymous   Improved Balanced Slide Valve, Curious
                                  Case of Asymmetry  . . . . . . . . . . . 143--143
                      Anonymous   Measuring Faucet . . . . . . . . . . . . 143--143
                      Anonymous   One Hundred Years Ago  . . . . . . . . . 144--144
                    J. D. Crace   Wood and Ivory Carving . . . . . . . . . 144--145
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 146--146
                      Anonymous   Improvements in Casting Pulleys and
                                  Grooved Rolls  . . . . . . . . . . . . . 146--146
                      Anonymous   Infantile Power Washing Machine  . . . . 146--146
                      Anonymous   On the Proper Resistance of Telegraphic
                                  Relays . . . . . . . . . . . . . . . . . 148--148
                   H. E. Colton   Peanuts and Peanut Oil . . . . . . . . . 149--149
                      Anonymous   Dyers' Recipes . . . . . . . . . . . . . 149--150
                      Anonymous   Improved Horse-Power Hayfork . . . . . . 150--150
                      Anonymous   The Mechanical Equation  . . . . . . . . 151--151
                      Anonymous   Dangers of Petroleum Oils. Report of the
                                  Health Board of New Orleans. A Law
                                  Regulating the Sale of Such Oils
                                  Recommended  . . . . . . . . . . . . . . 151--151
                      Anonymous   A Government Bureau of Mines . . . . . . 151--151
                      Anonymous   Narrow Gage Railways . . . . . . . . . . 151--152
                      Anonymous   The American Eclipse Expedition  . . . . 152--152
                      Anonymous   Peat Fuel for Locomotives  . . . . . . . 152--152
                      Anonymous   The Lifting Cure . . . . . . . . . . . . 152--152
                      Anonymous   Alaska. --- Climate and Products . . . . 152--152
                      Anonymous   Statistics of Steam Boiler Explosions
                                  for the Year 1870  . . . . . . . . . . . 153--154
                      Anonymous   Answers to Correspondents  . . . . . . . 154--154
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 154--154
                      Anonymous   Recent American and Foreign Patents  . . 154--155
                      Anonymous   Official List of Patents . . . . . . . . 155--156

Scientific American
Volume 24, Number 11, March 11, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 164--164
                      Anonymous   Business and Personal  . . . . . . . . . 170--170
                      Anonymous   Improved Corn-husking Machine  . . . . . 159--159
                      Anonymous   Railroad Jack  . . . . . . . . . . . . . 159--160
                      Anonymous   Adulteration of Articles in General Use  160--161
                      Anonymous   Scientific Intelligence  . . . . . . . . 161--162
                      Anonymous   Planking Screw . . . . . . . . . . . . . 162--163
                      Anonymous   Improved Washing Machine . . . . . . . . 163--163
                      Anonymous   Rambles for Relics . . . . . . . . . . . 164--165
                      Anonymous   Progress of Foreign Invention  . . . . . 165--165
                      Anonymous   Dyers' Recipes . . . . . . . . . . . . . 165--166
                      Anonymous   The Transmission of Power by Compressed
                                  Air  . . . . . . . . . . . . . . . . . . 167--167
                      Anonymous   Payne's Electro-Magnetic Motor . . . . . 167--167
                      Anonymous   Effect of Cold Upon Iron and Steel . . . 167--168
                      Anonymous   Mr. Cooper's Recent Gift to the
                                  Mechanics of New York  . . . . . . . . . 168--168
                      Anonymous   Death of Thomas Brassey, the Great
                                  English Railway Contractor . . . . . . . 168--168
                      Anonymous   The Present and the Past . . . . . . . . 168--169
                      Anonymous   A Philanthropic Temperance Man . . . . . 169--169
                      Anonymous   New Patent Law of 1870 . . . . . . . . . 169--169
                      Anonymous   New Books and Publications . . . . . . . 169--169
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 169--169
                      Anonymous   Answers to Correspondents  . . . . . . . 170--170
                      Anonymous   Recent American and Foreign Patents  . . 170--171
                      Anonymous   Official List of Patents . . . . . . . . 171--174

Scientific American
Volume 24, Number 12, March 18, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 179--180
                      Anonymous   Books: New Books and Publications  . . . 185--185
                      Anonymous   Business and Personal  . . . . . . . . . 186--186
                      Anonymous   The Influence of Intense Cold on Steel
                                  and Iron . . . . . . . . . . . . . . . . 176--176
                      Anonymous   Oak Graining in Oil Colors . . . . . . . 176--177
                      Anonymous   Knots and Splices  . . . . . . . . . . . 177--178
                      Anonymous   Portable Writing and Copying Case  . . . 178--178
                      Anonymous   Impregnating Wood with Tar or Other
                                  Preserving Material  . . . . . . . . . . 178--178
                      Anonymous   Boardman's Combined Tool . . . . . . . . 179--179
                      Anonymous   Belt Tightener . . . . . . . . . . . . . 179--179
                      Anonymous   Rambles for Relics . . . . . . . . . . . 180--180
                  W. V. Andrews   Silk Culture . . . . . . . . . . . . . . 181--182
                      Anonymous   Combined Trunk and Rocking Chair . . . . 182--182
                      Anonymous   Smith's Infant Dining Chair  . . . . . . 182--182
                      Anonymous   Barnes' Ventilator for Mattresses, Etc.  182--182
                      Anonymous   A Scientific and Technical Awakening . . 183--183
                      Anonymous   The Sherman Process  . . . . . . . . . . 183--183
                      Anonymous   Rubber Tires for Traction Engines  . . . 183--184
                      Anonymous   Central Shaft of the Hoosac Tunnel . . . 184--184
                      Anonymous   A Museum of Art and Natural History  . . 184--184
                      Anonymous   Report of the Judges of Group 1,
                                  Department V. of the Exhibition of the
                                  American Institute for 1870. The Allen
                                  Engine . . . . . . . . . . . . . . . . . 184--184
                      Anonymous   Lyceum of Natural History  . . . . . . . 184--184
                      Anonymous   Warming and Ventilating Railroad Cars    184--185
                      Anonymous   The Mineral Resources of Missouri  . . . 185--185
                      Anonymous   Scientific Intelligence  . . . . . . . . 185--185
                      Anonymous   Answers to Correspondents  . . . . . . . 186--186
                      Anonymous   Applications for Extension of Patents    186--186
                      Anonymous   Recent American and Foreign Patents  . . 187--187
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 187--187
                      Anonymous   Official List of Patents . . . . . . . . 187--188

Scientific American
Volume 24, Number 13, March 25, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 195--198
                      Anonymous   Books: New Books and Publications  . . . 201--201
                      Anonymous   Business and Personal  . . . . . . . . . 201--201
                      Anonymous   Improvement in Heavy Ordnance,
                                  Conducting Wires for Military Telegraphs 191--191
                      Anonymous   The Condensed Milk Manufacture . . . . . 192--192
                      Anonymous   Dyers' Recipes . . . . . . . . . . . . . 193--193
                 R. O. Davidson   The Flight of Birds  . . . . . . . . . . 194--194
                      Anonymous   Spring Steps for Stairways . . . . . . . 195--195
                      Anonymous   Archibald's Improved Spoked Wheel  . . . 195--195
                      Anonymous   Improvement in Envelopes . . . . . . . . 195--195
                      Anonymous   Railway Transit for New York . . . . . . 199--199
                      Anonymous   Rating of Boilers  . . . . . . . . . . . 199--199
                      Anonymous   Thallium, Its Properties and Uses  . . . 199--200
                      Anonymous   The Use of the Microscope in the Study
                                  of Rocks . . . . . . . . . . . . . . . . 200--200
                      Anonymous   The Human Mind and the Human Hand  . . . 200--200
                      Anonymous   Wood Carpeting . . . . . . . . . . . . . 200--200
                      Anonymous   Cost of Water in New York City . . . . . 200--200
                      Anonymous   On the Nature and Manufacture of
                                  Charcoal . . . . . . . . . . . . . . . . 200--200
                      Anonymous   Recent Patent Decision . . . . . . . . . 201--201
                      Anonymous   Answers to Correspondents  . . . . . . . 201--201
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 201--201
                      Anonymous   Recent American and Foreign Patents  . . 202--202
                      Anonymous   Applications for Extension of Patents    203--203
                      Anonymous   Official List of Patents . . . . . . . . 203--204

Scientific American
Volume 24, Number 14, April 1, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 212--212
                      Anonymous   Business and Personal  . . . . . . . . . 218--218
                      Anonymous   Improved Horizontal Steam Engine, Potato
                                  Diggers  . . . . . . . . . . . . . . . . 207--207
                      Anonymous   Artificial Jewelry . . . . . . . . . . . 208--208
               F. A. P. Barnard   Annual Assay of the Coinage  . . . . . . 209--209
                      Anonymous   How do you Prove Your Plumb Rule?  . . . 209--209
                   E. C. H. Day   The ``Luna'' Moth  . . . . . . . . . . . 210--211
                      Anonymous   Egg Tongs  . . . . . . . . . . . . . . . 211--211
                      Anonymous   Device for Cleaning Traps in Soil Pipes  211--211
                      Anonymous   Combined Pruning Hook and Saw  . . . . . 211--211
                      Anonymous   What becomes of all the Steel Pens? ---
                                  Their Manufacture  . . . . . . . . . . . 212--213
                      Anonymous   The Working of the New York Fire
                                  Department . . . . . . . . . . . . . . . 213--214
                      Anonymous   Improved Door Stop . . . . . . . . . . . 214--214
                      Anonymous   Johnson's Improved Adjusting Plumb and
                                  Level  . . . . . . . . . . . . . . . . . 214--214
                      Anonymous   Improved Method of Attaching Knobs to
                                  Screws . . . . . . . . . . . . . . . . . 214--215
                      Anonymous   Practical Instruction in Mechanics and
                                  Physics  . . . . . . . . . . . . . . . . 215--215
                      Anonymous   Inspection of Steam Boilers in Ohio  . . 215--215
                      Anonymous   Progress of the Darien Ship Canal  . . . 215--215
                      Anonymous   Scientific Education and Religion  . . . 216--216
                      Anonymous   Caisson for the New York End of the East
                                  River Bridge . . . . . . . . . . . . . . 216--216
                      Anonymous   The Moral Lubricator . . . . . . . . . . 216--216
                      Anonymous   Whiskey, New and Old . . . . . . . . . . 216--216
                      Anonymous   Dangerous Dentistry  . . . . . . . . . . 216--216
                      Anonymous   Obituary Notices . . . . . . . . . . . . 217--217
                      Anonymous   Scientific Intelligence  . . . . . . . . 217--217
                      Anonymous   Preservation of Wood under Water . . . . 217--217
                      Anonymous   Endless Platform Belt Railway for New
                                  York . . . . . . . . . . . . . . . . . . 217--217
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 217--217
                      Anonymous   Answers to Correspondents  . . . . . . . 218--218
                      Anonymous   Applications for Extension of Patents    218--218
                      Anonymous   Recent American and Foreign Patents  . . 219--219
                      Anonymous   Official List of Patents . . . . . . . . 219--220

Scientific American
Volume 24, Number 16, April 15, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 244--245
                      Anonymous   Business and Personal  . . . . . . . . . 250--250
                      Anonymous   Books: New Books and Publications  . . . 252--252
                      Anonymous   The Caisson for the East Pier of the St.
                                  Louis Bridge . . . . . . . . . . . . . . 239--240
                      Anonymous   The Patent Laws  . . . . . . . . . . . . 241--241
                      Anonymous   The Ivory Plant  . . . . . . . . . . . . 242--242
                      Anonymous   Triangular Suspension Bridge . . . . . . 242--243
                      Anonymous   Improved Power Hoisting Machine  . . . . 243--243
                      Anonymous   Boring for Oil . . . . . . . . . . . . . 243--244
                      Anonymous   Instruments used in Storm Signal Service 245--246
                      Anonymous   Furrowing Hammer for Stone Dressing  . . 246--246
                      Anonymous   Pisciculture in New York and New Jersey  247--247
                      Anonymous   Iron Rails for Common Roadways . . . . . 247--247
                      Anonymous   Firing of Steam Boilers  . . . . . . . . 247--248
                      Anonymous   Artificial Stone . . . . . . . . . . . . 248--248
                      Anonymous   Suggestions for the Improvement of
                                  Railways . . . . . . . . . . . . . . . . 248--248
                      Anonymous   The Battle of the Tires  . . . . . . . . 248--248
                      Anonymous   Employment of Females in New York  . . . 248--249
                      Anonymous   Scientific Intelligence  . . . . . . . . 249--249
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 249--250
                      Anonymous   Answers to Correspondents  . . . . . . . 250--250
                      Anonymous   Recent American and Foreign Patents  . . 250--251
                      Anonymous   Official List of Patents . . . . . . . . 251--252
                      Anonymous   Applications for Extension of Patents    252--252

Scientific American
Volume 24, Number 18, April 29, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 276--278
                      Anonymous   Business and Personal  . . . . . . . . . 282--282
                      Anonymous   Books: New Books and Publications  . . . 282--282
                      Anonymous   Improved Excavator . . . . . . . . . . . 271--271
                      Anonymous   Colors of the Sea  . . . . . . . . . . . 271--272
                Coleman Sellers   Tilghman's Process of Cutting Hard
                                  Substances . . . . . . . . . . . . . . . 272--272
                   W. W. Bailey   Something about Seeds  . . . . . . . . . 273--273
                   E. C. H. Day   Cochineal Insects and their Allies . . . 274--274
                      Anonymous   Holding and Mixing Machines, used by the
                                  Union Stone Company --- The Sorel
                                  Process of Manufacturing Artificial
                                  Stone  . . . . . . . . . . . . . . . . . 275--275
                      Anonymous   Mortar Light . . . . . . . . . . . . . . 275--275
                      Anonymous   Cope & Maxwell's Upright Boiler Feeder    278--279
                      Anonymous   Proposed Changes in the British Patent
                                  Laws . . . . . . . . . . . . . . . . . . 279--279
                      Anonymous   Canal Navigation . . . . . . . . . . . . 279--279
                      Anonymous   Roofs and Roofing  . . . . . . . . . . . 279--280
                      Anonymous   Mining Schools in the United States  . . 280--280
                      Anonymous   Uses of Infusorial Silica  . . . . . . . 280--280
                      Anonymous   Carbolic Acid  . . . . . . . . . . . . . 280--280
                      Anonymous   Scientific Intelligence  . . . . . . . . 280--281
                      Anonymous   Editorial Summary  . . . . . . . . . . . 281--281
                      Anonymous   Answers to Correspondents  . . . . . . . 282--282
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 282--282
                      Anonymous   Recent American and Foreign Patents  . . 282--283
                      Anonymous   Applications for Extension of Patents    283--283
                      Anonymous   Official Lists of Patents  . . . . . . . 283--284

Scientific American
Volume 24, Number 19, May 6, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 291--294
                      Anonymous   Business and Personal  . . . . . . . . . 298--298
                      Anonymous   Books: New Books and Publications  . . . 298--298
                      Anonymous   Improved Wheat Steamer and Dryer . . . . 287--287
                      Anonymous   Bartlett and Boomer's Extension Hemmer   287--288
                      Anonymous   One Hundred Thousand Dollars Reward for
                                  a New Plan for Canal Propulsion  . . . . 288--288
                      Anonymous   Uncommon Food  . . . . . . . . . . . . . 289--290
                      Anonymous   The Cotton Worm  . . . . . . . . . . . . 290--290
                      Anonymous   Combined Milk Pail and Strainer  . . . . 291--291
                      Anonymous   Combined Blotter, Ruler, and Paper
                                  Cutter . . . . . . . . . . . . . . . . . 291--291
                    S. Lockwood   Mussel Climbing  . . . . . . . . . . . . 291--291
                      Anonymous   Seifert's Balanced Steam Valve . . . . . 294--295
                      Anonymous   Compound Engines . . . . . . . . . . . . 295--295
                      Anonymous   Inspection of Steam Boilers  . . . . . . 295--295
                      Anonymous   One Hundred Thousand Dollars Reward for
                                  a New Invention for Propelling Canal
                                  Boats  . . . . . . . . . . . . . . . . . 295--295
                      Anonymous   The Removal of the Hell Gate
                                  Obstructions . . . . . . . . . . . . . . 295--296
                      Anonymous   More Humorous than Scientific  . . . . . 296--296
                      Anonymous   Are Noisome Effluvia Injurious to
                                  Health?  . . . . . . . . . . . . . . . . 296--296
                      Anonymous   Scientific Intelligence  . . . . . . . . 296--298
                      Anonymous   Answers to Correspondence  . . . . . . . 298--298
                      Anonymous   Recent American and Foreign Patents  . . 299--299
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 299--299
                      Anonymous   Official List of Patents . . . . . . . . 299--300

Scientific American
Volume 24, Number 20, May 13, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 308--310
                      Anonymous   Business and Personal  . . . . . . . . . 314--314
                      Anonymous   Books: New Books and Publications  . . . 314--314
                      Anonymous   Hannahs' Patent Metropolitan Railway,
                                  Precautions in Using Wire Rope . . . . . 303--304
                      Anonymous   Solutions for Silver Plating . . . . . . 305--305
                      Anonymous   The Cochineal Insect and Its Allies  . . 306--306
                      Anonymous   The Sea-Horse  . . . . . . . . . . . . . 306--306
                      Anonymous   Mitchell & Kessinger's Improved Flour
                                  Bolt . . . . . . . . . . . . . . . . . . 307--307
                      Anonymous   G. K. Proctor's Improved Treadle Motion  307--307
                      Anonymous   Improved Turbine Water Wheel . . . . . . 310--310
                      Anonymous   The Erie Canal . . . . . . . . . . . . . 311--311
                      Anonymous   Pipes for Domestic Water Service . . . . 311--311
                      Anonymous   The Blowpipe as an Aid to the Drill in
                                  Opening Safes  . . . . . . . . . . . . . 311--312
                      Anonymous   Important Decision by the Commissioner
                                  of Patents . . . . . . . . . . . . . . . 312--312
                      Anonymous   Health in Old Age  . . . . . . . . . . . 312--312
                      Anonymous   Inventions Made by Workmen --- Who Owns
                                  Them?  . . . . . . . . . . . . . . . . . 312--312
                      Anonymous   Scientific Intelligence  . . . . . . . . 312--312
                      Anonymous   On a Method of Determining the
                                  Percentage of Water Mechanically
                                  Suspended in Steam Delivered from
                                  Boilers which Prime  . . . . . . . . . . 312--313
                      Anonymous   Refuse and Waste . . . . . . . . . . . . 313--313
                      Anonymous   Important Decision of the Commissioner
                                  of Patents --- Trade Mark Patents  . . . 313--314
                      Anonymous   Answers to Correspondents  . . . . . . . 314--314
                      Anonymous   Recent American and Foreign Patents  . . 314--315
                      Anonymous   Applications for Extension of Patents    315--315
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 315--315
                      Anonymous   Official List of Patents . . . . . . . . 315--316

Scientific American
Volume 24, Number 21, May 20, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 324--324
                      Anonymous   Business and Personal  . . . . . . . . . 330--330
                      Anonymous   Removal of the Obstructions at Hell Gate 319--320
                      Anonymous   A New Yorker in the Great Salt Mine of
                                  Cracow . . . . . . . . . . . . . . . . . 320--320
                      Anonymous   Rumford's Scientific Discoveries . . . . 321--322
                      Anonymous   Horse Block and Hitching Post  . . . . . 322--323
                      Anonymous   Eye Pointed Lasting Awl  . . . . . . . . 323--323
                      Anonymous   Eastern Virginia . . . . . . . . . . . . 324--326
                      Anonymous   Robbins' Improved Pipe Wrench  . . . . . 326--326
                      Anonymous   The Earth Closet System --- an Improved
                                  Earth Closet . . . . . . . . . . . . . . 326--326
                      Anonymous   Facts Relative to the Erie Canal . . . . 327--327
                      Anonymous   Tornadoes of the Southern States . . . . 327--327
                      Anonymous   A Question in Social Science . . . . . . 327--328
                      Anonymous   From Duluth to the Ocean . . . . . . . . 328--328
                      Anonymous   The Water Supply of London --- Sea Baths
                                  in Cities  . . . . . . . . . . . . . . . 328--328
                      Anonymous   The Drug Clerk Law . . . . . . . . . . . 328--328
                      Anonymous   Scientific Intelligence  . . . . . . . . 328--329
                      Anonymous   Elasticity and Tensile Strength of
                                  Wrought Iron . . . . . . . . . . . . . . 329--329
                      Anonymous   Launching of the Caisson for the New
                                  York Tower of the East River Bridge  . . 329--329
                      Anonymous   Editorial Summary  . . . . . . . . . . . 329--330
                      Anonymous   Answers to Correspondents  . . . . . . . 330--330
                      Anonymous   Recent American and Foreign patents  . . 330--331
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 331--331
                      Anonymous   Official List of Patents . . . . . . . . 331--332
                      Anonymous   Applications for Extension of Patents    332--332

Scientific American
Volume 24, Number 22, May 27, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 340--340
                      Anonymous   Business and Personal  . . . . . . . . . 346--346
                      Anonymous   Books: New Books and Publications  . . . 346--346
                      Anonymous   The Old Molder . . . . . . . . . . . . . 335--335
                      Anonymous   Seal Fishing . . . . . . . . . . . . . . 336--336
                      Anonymous   The Metric System  . . . . . . . . . . . 336--336
                      Anonymous   Vincent's Process of Preparing Linseed
                                  Oil  . . . . . . . . . . . . . . . . . . 337--337
                      Anonymous   The United States Storm Signal Service
                                  Weather Charts and Reports . . . . . . . 338--339
                      Anonymous   Gecmen's Improved Malt Kiln  . . . . . . 339--339
                      Anonymous   Flying Spiders . . . . . . . . . . . . . 341--341
                      Anonymous   Runk's Belt Tightener  . . . . . . . . . 342--342
                      Anonymous   Swartwout's Front Running Gear for
                                  Wagons . . . . . . . . . . . . . . . . . 342--342
                      Anonymous   Substitute for Wine Cellars  . . . . . . 342--342
                      Anonymous   Patent Packing Box . . . . . . . . . . . 342--343
                      Anonymous   Immigration --- Report of Edward Young,
                                  Chief of the Bureau of Statistics  . . . 343--343
                      Anonymous   Steam Towage for the Erie Canal  . . . . 343--343
                      Anonymous   The Necessities of Life  . . . . . . . . 343--343
                      Anonymous   Grape Sugar  . . . . . . . . . . . . . . 343--344
                      Anonymous   Sulphur in Louisiana . . . . . . . . . . 344--344
                      Anonymous   Coal Tar Products  . . . . . . . . . . . 344--344
                      Anonymous   Manufacture of Silk --- Silk Worm Eggs   344--344
                      Anonymous   The Bathometer, and other Instruments
                                  for Exploring, Measuring, and Utilizing
                                  the Sea  . . . . . . . . . . . . . . . . 345--346
                      Anonymous   Answers to Correspondents  . . . . . . . 346--346
                      Anonymous   Recent American and Foreign Patents  . . 347--347
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 347--347
                      Anonymous   Applications for Extension of Patents    347--347
                      Anonymous   Official List of Patents . . . . . . . . 347--348

Scientific American
Volume 24, Number 23, June 3, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 356--356
                      Anonymous   Business and Personal  . . . . . . . . . 362--362
                      Anonymous   Machine for Labeling Fruit and Other
                                  Cans, The Moabite Stone, and more  . . . 351--351
                      Anonymous   Ransome Artificial Stone . . . . . . . . 352--355
                      Anonymous   Apparatus for Dyeing Hair  . . . . . . . 355--355
                      Anonymous   A New Spectroscope . . . . . . . . . . . 355--355
                      Anonymous   Combined Thimble and Needle Threader . . 355--356
             P. R. Vander Weyde   A Few Corrections of the Method of
                                  Determining the Percentage of Water
                                  Mechanically Suspended in Steam
                                  Delivered from Boilers Which Prime . . . 357--358
                      Anonymous   Sash Lock  . . . . . . . . . . . . . . . 358--358
                      Anonymous   Cork Extractor . . . . . . . . . . . . . 358--359
                      Anonymous   The Erie Canal Navigation Problem  . . . 359--359
                      Anonymous   How Labor Enslaves Itself to Capital . . 359--359
                      Anonymous   Charles E. Emery on Compound Engines . . 359--360
                      Anonymous   Popularizing Science . . . . . . . . . . 360--360
                      Anonymous   Trial of Olmstead's Electric Car Brake   360--360
                      Anonymous   Ocean Telegraphy . . . . . . . . . . . . 360--360
                      Anonymous   Jean Lafitte and His Treasure  . . . . . 360--360
                      Anonymous   Canals Ancient and Modern  . . . . . . . 360--361
                      Anonymous   The Descent of Man . . . . . . . . . . . 361--361
                      Anonymous   Scientific Intelligence  . . . . . . . . 361--362
                      Anonymous   Answers to Correspondents  . . . . . . . 362--362
                      Anonymous   Applications for Extension of Patents    362--362
                      Anonymous   Recent American and Foreign Patents  . . 363--363
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 363--363
                      Anonymous   Official List of Patents . . . . . . . . 363--364

Scientific American
Volume 24, Number 24, June 10, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 371--372
                      Anonymous   Business and Personal  . . . . . . . . . 378--378
                      Anonymous   The Bickford Family Knitting Machine . . 367--368
          George Edward Harding   The Application of Steam to Canals ---
                                  No. I  . . . . . . . . . . . . . . . . . 369--369
                      Anonymous   Caravans . . . . . . . . . . . . . . . . 369--371
                      Anonymous   Toy Steam Engine . . . . . . . . . . . . 371--371
                         Tydall   On Sound . . . . . . . . . . . . . . . . 373--373
                      Anonymous   Papier Maché and Carton Pierre  . . . . . 373--373
                      Anonymous   Thread Cutter  . . . . . . . . . . . . . 374--374
                      Anonymous   Apparatus for Carbureting Hydrogen Gas   374--374
                      Anonymous   Improvement in Stock Cars  . . . . . . . 374--374
                      Anonymous   Reat's Improved Design for Neck-Yoke
                                  Ring and Slide . . . . . . . . . . . . . 374--374
                      Anonymous   Hire's Patent Table Hinge  . . . . . . . 374--374
                      Anonymous   Plowing and Cultivation of Crops by
                                  Steam Improvements Wanted  . . . . . . . 374--375
                      Anonymous   Paine's Electro-Motor  . . . . . . . . . 375--375
                      Anonymous   The New System of Piers for New York . . 375--375
                      Anonymous   Doctoring Iron . . . . . . . . . . . . . 375--375
                      Anonymous   Mental Emaciation  . . . . . . . . . . . 375--376
                      Anonymous   Steam on the Erie Canal --- Answers to
                                  Queries  . . . . . . . . . . . . . . . . 376--376
                      Anonymous   Plowing and Cultivating by Steam . . . . 376--377
               Edwin J. Houston   On a New Connection for the Induction
                                  Coil . . . . . . . . . . . . . . . . . . 377--377
                      Anonymous   Woven Wire Mattresses  . . . . . . . . . 377--377
                      Anonymous   Patent Office Decision . . . . . . . . . 377--378
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 378--378
                      Anonymous   Answers to Correspondents  . . . . . . . 378--379
                      Anonymous   Recent American and Foreign Patents  . . 379--379
                      Anonymous   Official List of Patents . . . . . . . . 379--380
                      Anonymous   Applications for Extension of Patents    380--380

Scientific American
Volume 24, Number 25, June 17, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 388--390
                      Anonymous   Business and Personal  . . . . . . . . . 394--394
                      Anonymous   Books: New Books and Publications  . . . 394--394
                      Anonymous   Machine for Turning the Ends of
                                  Axletrees  . . . . . . . . . . . . . . . 383--383
                      Anonymous   Schopp's Push Chair or Ice Velocipede    383--383
                      Anonymous   Young's Improved Hot Air Register  . . . 383--384
          George Edward Harding   The Application of Steam to Canals ---
                                  No. 2  . . . . . . . . . . . . . . . . . 384--384
                      Anonymous   Manufacture of Varnish in England  . . . 384--384
                      Anonymous   Mechanical Tests . . . . . . . . . . . . 385--385
                      Anonymous   Tools for Cutting Metals . . . . . . . . 385--385
                      Anonymous   The Illinois and St. Louis Bridge  . . . 386--386
                   E. C. H. Day   Wood-Boring Beetles  . . . . . . . . . . 387--387
                      Anonymous   Improvement in Extracting Spirits of
                                  Turpentine from Pine Wood  . . . . . . . 390--390
                      Anonymous   The Proposed Centennial Exhibition in
                                  Philadelphia, in 1876  . . . . . . . . . 391--391
                      Anonymous   Repairing Roads  . . . . . . . . . . . . 391--391
                      Anonymous   Guess Work and Real Work . . . . . . . . 391--391
                      Anonymous   The Electric Light . . . . . . . . . . . 391--392
                      Anonymous   Scientific Intelligence  . . . . . . . . 392--392
                      Anonymous   A Great Speech . . . . . . . . . . . . . 392--393
                      Anonymous   Klinkerfues' Apparatus for Igniting Gas
                                  and Other Lights . . . . . . . . . . . . 393--394
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 394--394
                      Anonymous   Answer to Correspondence . . . . . . . . 394--394
                      Anonymous   Recent American and Foreign patents  . . 395--395
                      Anonymous   Applications for Extension of Patents    395--395
                      Anonymous   Official List of Patents . . . . . . . . 395--396

Scientific American
Volume 24, Number 26, June 24, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 404--404
                      Anonymous   Business and Personal  . . . . . . . . . 408--408
                      Anonymous   Books: New Books and Publications  . . . 409--409
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 410--412
                      Anonymous   Improved Revolving Blade Scroll Sawing
                                  Machine, Improved Carriage Hub, and more 399--400
          George Edward Harding   The Application of Steam to Canals ---
                                  No. 3  . . . . . . . . . . . . . . . . . 400--401
                      Anonymous   Blowing Out of the East Caisson of the
                                  East River Bridge  . . . . . . . . . . . 402--402
                      Anonymous   Vagaries of the Patent Office  . . . . . 402--402
                      Anonymous   Flying Machine . . . . . . . . . . . . . 402--403
                      Anonymous   Ice Shaving Machine  . . . . . . . . . . 403--403
                      Anonymous   Dredging and Excavating Machine  . . . . 403--403
                      Anonymous   New Expeditions to the Arctic Regions    403--404
                      Anonymous   Address of Professor Morse, at the
                                  Ceremony of Unveiling the Statue in
                                  Central Park New York  . . . . . . . . . 405--405
                      Anonymous   Improvement of the Missouri River at St.
                                  Joseph, MO . . . . . . . . . . . . . . . 405--405
                      Anonymous   Scientific Intelligence  . . . . . . . . 405--406
                      Anonymous   Re-Vaccination --- Glycerin Lymph  . . . 406--406
                      Anonymous   Boring and Mortising Machine . . . . . . 406--406
                      Anonymous   The Government of New York City  . . . . 406--407
                      Anonymous   Close of Another Volume  . . . . . . . . 407--407
                      Anonymous   The Last Six Months of Chemistry . . . . 407--407
                      Anonymous   Paine's Electro-Motor  . . . . . . . . . 407--407
                      Anonymous   The Inauguration of the Morse Statue . . 407--407
                      Anonymous   Flying Machine . . . . . . . . . . . . . 407--408
                      Anonymous   The East River Bridge --- Report of the
                                  Chief Engineer . . . . . . . . . . . . . 408--408
                      Anonymous   Answer to Correspondents . . . . . . . . 408--408
                      Anonymous   Recent American and Foreign Patents  . . 409--409
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 409--409
                      Anonymous   Official List of Patents . . . . . . . . 412--412


Scientific American
Volume 25, Number 1, July 1, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 4--5
                      Anonymous   Books: New Books and Publications  . . . 9--9
                      Anonymous   Business and Personal  . . . . . . . . . 10--10
                      Anonymous   Sir John Herschel  . . . . . . . . . . . 1--2
                      Anonymous   Instrument for Parting Ladies' Hair  . . 2--3
                      Anonymous   A Self-Moving Ship . . . . . . . . . . . 3--4
                      Anonymous   Rand's Improved Saw Arbor  . . . . . . . 6--6
                      Anonymous   Improvement in Riveting Tools  . . . . . 6--6
                      Anonymous   Odiorne's Improvement in Seals for
                                  Hydraulic Mains of Gas Works . . . . . . 6--6
                      Anonymous   Improved Self-Measuring Faucet . . . . . 6--6
                      Anonymous   Philippi's Improved Drill Chuck  . . . . 6--6
                      Anonymous   Joseph Henry and the Electric Telegraph  7--7
                      Anonymous   Extracting Gold from Washings and Poor
                                  Ores . . . . . . . . . . . . . . . . . . 7--7
                      Anonymous   Effect of Corporation Employment on
                                  Work-Men . . . . . . . . . . . . . . . . 7--7
                      Anonymous   Lightning Rods . . . . . . . . . . . . . 7--8
                      Anonymous   Massachusetts Shoemakers on the Taxes    8--8
                      Anonymous   Colossal Bronze Bust of Washington
                                  Irving . . . . . . . . . . . . . . . . . 8--8
                      Anonymous   Scientific Intelligence  . . . . . . . . 8--8
                      Anonymous   The Kelly Patent Extension Case. ---
                                  Address of Hon. S. S. Fisher. ---
                                  Competitive Examinations. --- Female
                                  Applicants for Clerkships in the Patent
                                  Office . . . . . . . . . . . . . . . . . 8--9
                      Anonymous   Narrow Gages for Railways  . . . . . . . 9--9
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 9--9
                      Anonymous   Answers to Correspondence  . . . . . . . 10--10
                      Anonymous   Applications for Extension of Patents    10--10
                      Anonymous   Recent American and Foreign Patents  . . 11--11
                      Anonymous   Official List of Patents . . . . . . . . 11--12

Scientific American
Volume 25, Number 2, July 8, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 20--22
                      Anonymous   Business and Personal  . . . . . . . . . 26--26
                      Anonymous   Books: New Books and Publications  . . . 26--26
                      Anonymous   Professor Morse Affixing His Signature
                                  to the Greeting Telegraphed by Miss S.
                                  E. Cornwell at the Morse Celebration . . 15--15
          George Edward Harding   The Application of Steam to Canals. ---
                                  No.4 . . . . . . . . . . . . . . . . . . 16--16
                      Anonymous   Professor Tyndall on ``Sound'' . . . . . 16--17
                      Anonymous   Fowler's Propeller . . . . . . . . . . . 17--18
                      Anonymous   Improved Hand and Light Power Drill  . . 18--19
                      Anonymous   Dorn's Circular Cutter for Wood Work . . 19--19
                      Anonymous   Experiences of a Bureau Officer  . . . . 19--20
                      Anonymous   Coates and Lascell's Water Engine  . . . 22--22
                      Anonymous   Mechanical Power and Specific Work . . . 23--23
                      Anonymous   Extinguishing Fires by Carbonic Acid . . 23--23
                      Anonymous   How Bodies May be Frozen by Heat . . . . 23--23
                      Anonymous   Co-Operative Colonies  . . . . . . . . . 23--24
                      Anonymous   Steam on the Erie Canal  . . . . . . . . 24--24
                      Anonymous   Buildings for Manufacturing Purposes . . 24--24
                      Anonymous   Ex-Commissioner Fisher's Experience in
                                  the Patent Office  . . . . . . . . . . . 24--24
                      Anonymous   Burden Horseshoe Patent Extended ---
                                  Value of the Invention . . . . . . . . . 24--24
                      Anonymous   Steam Fire Engines . . . . . . . . . . . 24--25
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 25--26
                      Anonymous   Answers to Correspondents  . . . . . . . 26--26
                      Anonymous   Recent American and Foreign Patents  . . 26--27
                      Anonymous   Applications for Extension of Patents    27--27
                      Anonymous   Official List of Patents . . . . . . . . 27--28
                      Anonymous   Practical Hints to Inventors . . . . . . 28--28

Scientific American
Volume 25, Number 3, July 15, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 36--38
                      Anonymous   Business and Personal  . . . . . . . . . 42--42
                      Anonymous   Improved Grain Hulling Machine,
                                  Applications of Vulcanized Rubber  . . . 31--32
                      Anonymous   Experiences of a Bureau Officer  . . . . 32--32
          George Edward Harding   The Application of Steam to Canals. ---
                                  No. 5  . . . . . . . . . . . . . . . . . 32--33
                      Anonymous   Phrenology and Spiritualism. --- A
                                  Lively Discussion  . . . . . . . . . . . 33--34
               E. C. H. Day and   
                      Professor   Wood-Boring Beetles. --- The
                                  ``Girdlers'' . . . . . . . . . . . . . . 35--35
                      Anonymous   Magrath's Chain for Hanging Sashes . . . 38--38
                      Anonymous   Artificial Leech . . . . . . . . . . . . 38--38
                      Anonymous   Metallic Lined Spool Head  . . . . . . . 38--38
                      Anonymous   College Commencements  . . . . . . . . . 39--39
                      Anonymous   The Causes of Disease  . . . . . . . . . 39--39
                      Anonymous   Prejudices, Ancient and Modern . . . . . 39--39
                      Anonymous   Ice a Necessity. --- How It is Obtained
                                  in Quantity  . . . . . . . . . . . . . . 40--40
                      Anonymous   Scientific Intelligence  . . . . . . . . 40--41
                      Anonymous   Editorial Summary  . . . . . . . . . . . 41--42
                      Anonymous   Answers to Correspondents  . . . . . . . 42--42
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 43--43
                      Anonymous   Recent American and Foreign Patents  . . 43--43
                      Anonymous   Official List of Patents . . . . . . . . 43--44
                      Anonymous   Applications for Extension of Patents    44--44
                      Anonymous   Practical Hints to Inventors . . . . . . 44--44

Scientific American
Volume 25, Number 4, July 22, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 51--54
                      Anonymous   Business and Personal  . . . . . . . . . 59--59
                      Anonymous   The Estes Steam Engine, The General
                                  Oceanic Circulation  . . . . . . . . . . 47--48
                      Anonymous   Discussion on Mr. Harding's Paper,
                                  Entitled ``The Application of Steam to
                                  Canals,'' Concluded in Our Last Issue.
                                  --- No. 1  . . . . . . . . . . . . . . . 48--49
                      Anonymous   Experiences of a Bureau Officer  . . . . 49--50
                      Anonymous   King's ``Valveless'' Engine  . . . . . . 50--51
                      Anonymous   Fowler's Improved Method of Adjusting
                                  Eccentrics . . . . . . . . . . . . . . . 51--51
                      Anonymous   Nelson's Reversible Window Sash  . . . . 51--51
                      Anonymous   Mental Order and System  . . . . . . . . 55--55
                      Anonymous   Extinguishing Fires at their
                                  Commencement . . . . . . . . . . . . . . 55--55
                      Anonymous   Graphite, Plumbago, Black Lead . . . . . 55--55
                      Anonymous   Infringement Trial . . . . . . . . . . . 55--56
                      Anonymous   The Threaded Envelope Patents  . . . . . 56--56
                      Anonymous   What is Doing at the Patent Office ---
                                  Great Number of Applicants for
                                  Extensions . . . . . . . . . . . . . . . 56--56
                      Anonymous   Photographic Notes . . . . . . . . . . . 56--56
                      Anonymous   Professor Tyndall on ``Dust and Smoke''  57--58
                      Anonymous   No List of Patentees . . . . . . . . . . 58--58
                      Anonymous   Editorial Summary  . . . . . . . . . . . 58--59
                      Anonymous   Answers to Correspondents  . . . . . . . 59--59
                      Anonymous   Applications for Extension of Patents    59--59
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 60--60
                      Anonymous   Recent American and Foreign Patents  . . 60--60

Scientific American
Volume 25, Number 5, July 29, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 68--70
                      Anonymous   Business and Personal  . . . . . . . . . 72--72
                      Anonymous   The Frere Fountain, Bombay, India  . . . 63--63
                      Anonymous   Writers on Science . . . . . . . . . . . 63--64
                      Anonymous   Utility of Patent Laws . . . . . . . . . 64--65
                      Anonymous   Discussion on Mr. Harding's Paper,
                                  Entitled ``The Application of Steam to
                                  Canals'' Concluded in Our Issue of July
                                  15 --- No. 2 . . . . . . . . . . . . . . 65--66
                      Anonymous   New Mechanical Movement  . . . . . . . . 66--66
                      Anonymous   Crocker's Whiffletree Coupling . . . . . 67--67
                      Anonymous   Belt Holes --- Quarter Turned Belts  . . 67--67
                      Anonymous   Reminiscences of Inventors . . . . . . . 67--68
                      Anonymous   Baer's Door Fastener . . . . . . . . . . 70--70
                      Anonymous   The Spectroscope and its Applications    71--71
                      Anonymous   The Erie Canal Navigation Problem  . . . 71--71
                      Anonymous   Our Correspondence . . . . . . . . . . . 71--71
                      Anonymous   Scientific Intelligence  . . . . . . . . 72--72
                      Anonymous   Answers to Correspondents  . . . . . . . 72--73
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 73--74
                      Anonymous   Recent American and Foreign Patents  . . 74--74
                      Anonymous   Official List of Patents . . . . . . . . 75--76
                      Anonymous   Applications for Extension of Patents    76--76

Scientific American
Volume 25, Number 6, August 5, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 83--86
                      Anonymous   Business and Personal  . . . . . . . . . 90--90
                      Anonymous   Street Architecture in London  . . . . . 79--80
                      Anonymous   Tyndall's Fragments of Science for
                                  Unscientific People  . . . . . . . . . . 80--80
                      Anonymous   Experiences of a Bureau Officer  . . . . 81--81
                   E. C. H. Day   The Neuropters . . . . . . . . . . . . . 82--83
                      Anonymous   Combined Scissors and Button-Hole Cutter 83--83
                      Anonymous   Device for Suspending and Attaching
                                  Articles . . . . . . . . . . . . . . . . 83--83
                      Anonymous   Safety Valve Lever . . . . . . . . . . . 86--86
                      Anonymous   Hildreth's Universally Adjustable Vise   86--86
                      Anonymous   Ore and Stone Crushing Machine . . . . . 86--86
                      Anonymous   Patent Law Reform in England . . . . . . 87--87
                      Anonymous   Ventilation of the New York State
                                  Lunatic Asylum . . . . . . . . . . . . . 87--87
                      Anonymous   Folly and Ignorance --- Followed by
                                  Death and Destruction  . . . . . . . . . 87--87
                      Anonymous   Lightning Rods . . . . . . . . . . . . . 87--87
                      Anonymous   Electromagnetic Motors . . . . . . . . . 88--88
                      Anonymous   Scientific Intelligence  . . . . . . . . 88--88
                      Anonymous   Patent Proceedings in London . . . . . . 88--88
                      Anonymous   Extension Cases --- Smith's Plow Patent
                                  --- Slawson's Car Fare Box --- Textile
                                  Manufactures in India  . . . . . . . . . 88--89
                      Anonymous   Cancer Cure  . . . . . . . . . . . . . . 89--89
                      Anonymous   Answers to Correspondents  . . . . . . . 89--90
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 90--90
                      Anonymous   Recent American and foreign patents  . . 90--91
                      Anonymous   Official List of patents . . . . . . . . 91--92
                      Anonymous   Applications for Extension of Patents    92--92

Scientific American
Volume 25, Number 7, August 12, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 100--102
                      Anonymous   Books: New Books and Publications  . . . 105--106
                      Anonymous   Business and Personal  . . . . . . . . . 106--106
                      Anonymous   The New Post Office, Melbourne,
                                  Australia  . . . . . . . . . . . . . . . 95--95
                      Anonymous   Experiences of a Bureau Officer  . . . . 96--96
                 Charles Morris   A Chapter on American Geology  . . . . . 97--97
                      Anonymous   Wrought Iron Bridges for the Nicolai
                                  Railway of Russia  . . . . . . . . . . . 98--98
                William Crookes   Experimental Investigation of a New
                                  Force  . . . . . . . . . . . . . . . . . 99--100
                      Anonymous   Mechanical Movement for Churns, Washing
                                  Machines, Etc. . . . . . . . . . . . . . 102--102
                      Anonymous   Paget's Gipsy Winch  . . . . . . . . . . 102--102
                      Anonymous   Engravings of Inventions and Machinery   102--102
                      Anonymous   A Valuable Book  . . . . . . . . . . . . 102--102
                      Anonymous   Dr. Crookes on Psychic Force . . . . . . 103--103
                      Anonymous   The Late General Rodman  . . . . . . . . 103--103
                      Anonymous   Gold and Silver Waste  . . . . . . . . . 103--104
                      Anonymous   Will Gunpowder Explode in a Vacuum?  . . 104--104
                      Anonymous   New Application of the Oxyhydrogen Light
                                  to the Separation of Metals, by Tessie
                                  Du Mo-Tay of Paris, France . . . . . . . 104--104
                      Anonymous   Narrow Gage Railways . . . . . . . . . . 104--104
                      Anonymous   The Westfield Explosion  . . . . . . . . 104--104
                      Anonymous   How Scientific Men Work  . . . . . . . . 104--104
                      Anonymous   Artificial Leather --- Utilization of
                                  Leather Scraps and Cuttings  . . . . . . 105--105
                      Anonymous   Re-Agent to Detect Nitric Acid . . . . . 105--105
                      Anonymous   Ozonized Ether . . . . . . . . . . . . . 105--105
                      Anonymous   Editorial Summary  . . . . . . . . . . . 105--105
                      Anonymous   Answers to Correspondents  . . . . . . . 106--107
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 107--107
                      Anonymous   Recent American and Foreign Patents  . . 107--107
                      Anonymous   Official Lists of Patents  . . . . . . . 107--108
                      Anonymous   Applications for Extension of Patents    108--108

Scientific American
Volume 25, Number 8, August 19, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 116--117
                      Anonymous   Business and Personal  . . . . . . . . . 122--122
                      Anonymous   File Cutting . . . . . . . . . . . . . . 111--113
                      Anonymous   Hydraulic Buffer for Checking the Recoil
                                  of Heavy Guns  . . . . . . . . . . . . . 114--114
                      Anonymous   The East London Museum of Science and
                                  Art  . . . . . . . . . . . . . . . . . . 115--115
                      Anonymous   What is Steel? . . . . . . . . . . . . . 115--116
                      Anonymous   W. H. Windsor's Printer's Chase  . . . . 118--118
                      Anonymous   Shaw's Compound Propeller Pump . . . . . 118--118
                      Anonymous   Emile Prevost's New Battery  . . . . . . 118--118
                      Anonymous   Boiler Explosions  . . . . . . . . . . . 119--119
                      Anonymous   The Disposal of Sewage . . . . . . . . . 119--119
                      Anonymous   How to Become Bankrupt by Manufacturing  119--119
                      Anonymous   Combustibility of Diamonds --- Various
                                  Effects Produced by High Temperatures    119--120
                      Anonymous   The Approaching Fair of the American
                                  Institute  . . . . . . . . . . . . . . . 120--120
                      Anonymous   The Patent Agency Business . . . . . . . 120--120
                      Anonymous   Electrical Organ Blowers and Sewing
                                  Machine Motors . . . . . . . . . . . . . 120--120
                      Anonymous   A New Bleaching Process  . . . . . . . . 120--120
                      Anonymous   Interesting Extension Cases --- New
                                  Rules and Regulations  . . . . . . . . . 121--121
                      Anonymous   A New Idea in Safes  . . . . . . . . . . 121--121
                      Anonymous   Answers to Correspondents  . . . . . . . 121--122
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 122--123
                      Anonymous   Recent American and Foreign Patents  . . 123--123
                      Anonymous   Official List of Patents . . . . . . . . 123--124

Scientific American
Volume 25, Number 9, August 26, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 131--132
                      Anonymous   Business and Personal  . . . . . . . . . 137--138
                      Anonymous   Books: New Books and Publications  . . . 139--139
                      Anonymous   Magazine Breech Loading Gun, New Light
                                  for the Use of Photographers, and more   127--129
                   E. C. H. Day   Chrysalids and Cocoons . . . . . . . . . 130--130
                      Anonymous   The New School of Mechanical Engineering
                                  at Hoboken, N.J. . . . . . . . . . . . . 131--131
                      Anonymous   The Westfield Explosion --- How Boilers
                                  Ought to be Inspected --- Interesting
                                  Testimony by a Wide Awake Man  . . . . . 133--133
                      Anonymous   Improved Method of Drawing Patterns for
                                  Flaring Vessels of Sheet Metal . . . . . 134--134
                      Anonymous   Adjustable Tension Razor Strop . . . . . 134--134
                      Anonymous   The Westfield Explosion: The Verdict ---
                                  Warrants for the Arrest of the
                                  President, Superintendent, and Engineer.
                                  Who are the Real Culprits? . . . . . . . 135--135
                      Anonymous   State Interference with Patents  . . . . 135--135
                      Anonymous   Rating Steam Boilers . . . . . . . . . . 135--135
                      Anonymous   Objections to Darwinism  . . . . . . . . 135--136
                      Anonymous   A New Water Meter  . . . . . . . . . . . 136--136
                      Anonymous   Improvements in Marbleizing Paper and
                                  Oil Cloth  . . . . . . . . . . . . . . . 136--136
                      Anonymous   Scientific Intelligence  . . . . . . . . 136--136
                      Anonymous   Invalidity of State Laws Regulating the
                                  Sale of Patents  . . . . . . . . . . . . 137--137
                      Anonymous   Patent Office Decisions  . . . . . . . . 137--137
                      Anonymous   Answers to Correspondents  . . . . . . . 138--138
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 138--138
                      Anonymous   Recent American and Foreign Patents  . . 139--139
                      Anonymous   Official List of Patents . . . . . . . . 139--140
                      Anonymous   Applications for Extension of Patents    140--140

Scientific American
Volume 25, Number 10, September 2, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 148--148
                      Anonymous   Books: New Books and Publications  . . . 153--153
                      Anonymous   Business and Personal  . . . . . . . . . 153--154
                      Anonymous   The Burdict Bolt Heading Machine . . . . 143--143
                      Anonymous   The Dangers of Sewage Irrigation . . . . 143--144
                      Anonymous   Plaster of Paris Manufacture . . . . . . 144--144
                      Anonymous   Teeth  . . . . . . . . . . . . . . . . . 145--145
                      Anonymous   The Road Steamer and Omnibus . . . . . . 146--146
                      Anonymous   Anchor Beam Support for Brick Walls  . . 146--146
                      Anonymous   The New Hotel Cairo Egypt  . . . . . . . 147--148
                       G. E. H.   Occasional Notes . . . . . . . . . . . . 149--150
                      Anonymous   Dugdale's Universal Clothes Washer . . . 150--150
                      Anonymous   Stanis\las Sorel . . . . . . . . . . . . 151--151
                      Anonymous   New York Police Inspection of Boilers    151--151
                      Anonymous   Steam Boiler Legislation in England  . . 151--151
                      Anonymous   Is the World Round or Flat?  . . . . . . 151--152
                      Anonymous   The Grahamite Asphalt Pavement . . . . . 152--152
                      Anonymous   Scientific Intelligence  . . . . . . . . 152--153
                      Anonymous   Editorial Summary  . . . . . . . . . . . 153--153
                      Anonymous   Answers to Correspondents  . . . . . . . 154--154
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 154--155
                      Anonymous   Recent American and Foreign patents  . . 155--155
                      Anonymous   Applications for Extension of Patents    155--155
                      Anonymous   Official List of patents . . . . . . . . 155--156

Scientific American
Volume 25, Number 11, September 9, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 164--164
                      Anonymous   Business and Personal  . . . . . . . . . 169--170
                      Anonymous   Portable Gas Generator, Bleaching
                                  Shellac, and more  . . . . . . . . . . . 159--160
                      Anonymous   Tornadoes and Water Spouts . . . . . . . 161--161
                      Anonymous   Lemman's Anti-Friction Ball Gate Hinge   162--162
                      Anonymous   New Test for Kerosene Oils . . . . . . . 162--162
                      Anonymous   Massey's Double Column High Pressure and
                                  Low Water Alarm for Steam Boilers  . . . 162--163
                 Charles A. Joy   An Incident in the Life of Baron Liebig  163--163
                      Anonymous   Plucky Susan, or Luck at Last --- A Leaf
                                  from the Life of a Western Inventor  . . 163--163
                      Anonymous   Terrible Gun Cotton Explosion at
                                  Stowmarket, England  . . . . . . . . . . 165--165
                 Charles Morris   The Surf . . . . . . . . . . . . . . . . 165--166
                      Anonymous   Right of Property in Inventions an
                                  Abstract Right . . . . . . . . . . . . . 167--167
                      Anonymous   The Origin of Life . . . . . . . . . . . 167--167
                      Anonymous   Japan a field for Inventions and
                                  Machinery  . . . . . . . . . . . . . . . 167--167
                      Anonymous   Spirits at a Discount  . . . . . . . . . 168--168
                      Anonymous   Wagner's Report on Technology  . . . . . 168--168
                      Anonymous   The Late Professor Payen . . . . . . . . 168--168
                      Anonymous   Psychic Force  . . . . . . . . . . . . . 168--168
                      Anonymous   Interesting Extension Cases  . . . . . . 169--169
                      Anonymous   American Institute Fair  . . . . . . . . 169--169
                      Anonymous   Answers to Correspondents  . . . . . . . 170--170
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 170--170
                      Anonymous   Recent American and Foreign Patents  . . 170--171
                      Anonymous   Official List of Patents . . . . . . . . 171--171

Scientific American
Volume 25, Number 12, September 16, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 179--182
                      Anonymous   Business and Personal  . . . . . . . . . 186--186
                      Anonymous   The Joslyn Tomes Breech Loading Rifle,
                                  Does the Internal Administration of
                                  Drugs ever Defeat Disease and Death? . . 175--176
                      Anonymous   Jonathan Dennis, Jr's Appeal . . . . . . 176--177
                      Anonymous   The Fog Bow as Seen from the Matterhorn  178--179
                      Anonymous   The New York Iron Founders Grievance ---
                                  A System of Shameless Extortion  . . . . 183--183
                      Anonymous   Narrow Gage Nonsense . . . . . . . . . . 183--183
                      Anonymous   Boiler Explosions  . . . . . . . . . . . 183--184
                      Anonymous   On Certain Habits Considered as
                                  Necessities of Modern Civilization . . . 184--184
                      Anonymous   Pharmacy in Prussia  . . . . . . . . . . 184--184
                      Anonymous   The Introduction of India Rubber Shoes   184--184
                      Anonymous   The Labor Problem --- Class Oration for
                                  1871 at Yale . . . . . . . . . . . . . . 184--185
                       G. E. H.   Occasional Notes . . . . . . . . . . . . 185--185
                      Anonymous   Scientific Intelligence  . . . . . . . . 185--186
                      Anonymous   Answers to Correspondents  . . . . . . . 186--186
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 187--187
                      Anonymous   Recent American and Foreign Patents  . . 187--188
                      Anonymous   Official List of Patents . . . . . . . . 188--188

Scientific American
Volume 25, Number 13, September 23, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 196--197
                      Anonymous   Business and Personal  . . . . . . . . . 201--201
                      Anonymous   Fire Extinguishing Apparatus . . . . . . 191--192
                      Anonymous   The Loss of My Spectacles  . . . . . . . 192--192
                      Anonymous   Important Patent Decision  . . . . . . . 193--193
                      Anonymous   The Aged Pilgrims' Asylum  . . . . . . . 194--195
                      Anonymous   Farrell's Improved Lamp Wick . . . . . . 195--195
                      Anonymous   George's Clamp Pen Holder  . . . . . . . 195--195
                      Anonymous   On the Psychic Force . . . . . . . . . . 197--197
                      Anonymous   Fair of the American Institute . . . . . 197--197
                      Anonymous   Evens' Safety Stove for Railway Cars . . 198--198
                      Anonymous   Sinclair's Mill Pick Holder  . . . . . . 198--198
                      Anonymous   Butler's Adjustable Window Sash  . . . . 198--198
                      Anonymous   The Perils of Gun Cotton . . . . . . . . 199--199
                      Anonymous   Ammonia Motive Power for Organs  . . . . 199--199
                      Anonymous   What Constitutes Patentable Novelty? . . 199--199
                      Anonymous   A Defect in Marine Engineering . . . . . 199--199
                      Anonymous   Mr. Highton and the New York Times . . . 199--200
                      Anonymous   The Staff of Life --- The Breadmakers of
                                  the American Metropolis  . . . . . . . . 200--200
                      Anonymous   The State of the Manufacturing Trades    200--200
                      Anonymous   Important Trademark Decision . . . . . . 200--201
                      Anonymous   Recent American and Foreign Patents  . . 201--203
                      Anonymous   Official List of Patents . . . . . . . . 203--204
                      Anonymous   Applications for Extension of Patents    204--204

Scientific American
Volume 25, Number 14, September 30, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 212--213
                      Anonymous   Business and Personal  . . . . . . . . . 217--218
                      Anonymous   Books: New Books and Publications  . . . 220--220
                      Anonymous   Timpe's Improved Elevators, Mechanism
                                  for Adjusting the Rollers of Carding
                                  machines, and more . . . . . . . . . . . 207--207
                      Anonymous   Extension of Sarvin's Carriage Wheel
                                  Patent . . . . . . . . . . . . . . . . . 208--209
                      Anonymous   The New Restaurant at Wimbledon Camp . . 210--211
                      Anonymous   Vitt's Improved Elevator Cup . . . . . . 211--211
                      Anonymous   Inauguration of the Mont Cenis Tunnel    213--213
                      Anonymous   Death of Professor D. H. Mahan . . . . . 213--214
                      Anonymous   Progress of Underground Roadways . . . . 215--215
                      Anonymous   The Action of Trades Unions in Regard to
                                  Apprenticeship . . . . . . . . . . . . . 215--215
                      Anonymous   The Fear of Cholera  . . . . . . . . . . 215--215
                      Anonymous   Fearful Explosion of Torpedoes ---
                                  Coroner's Verdict  . . . . . . . . . . . 215--216
                      Anonymous   Interesting Extension Cases  . . . . . . 216--216
                      Anonymous   Fair of the American Institute . . . . . 216--217
                      Anonymous   Answers to Correspondents  . . . . . . . 218--218
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 218--218
                      Anonymous   Applications for Extension of Patents    218--219
                      Anonymous   Recent American and Foreign Patents  . . 219--219
                      Anonymous   Official List of Patents . . . . . . . . 219--220

Scientific American
Volume 25, Number 15, October 7, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 227--229
                      Anonymous   Business and Personal  . . . . . . . . . 233--233
                      Anonymous   Anderson's Stone Dresser . . . . . . . . 223--223
                      Anonymous   Scientific Intelligence  . . . . . . . . 224--226
                      Anonymous   Churn Dasher . . . . . . . . . . . . . . 227--227
                      Anonymous   Copson's Improved Corn Broom . . . . . . 227--227
                      Anonymous   Trade Mark Registrations. ---
                                  Interesting Decision by the Hon. M. D.
                                  Leggett, Commissioner of Patents . . . . 229--229
                      Anonymous   What Constitutes Patentability in an
                                  Article of Manufacture. --- Important
                                  Decision By the Commissioner of Patents  229--229
                      Anonymous   Extension of Centering Machine Patent    229--230
                      Anonymous   Parish's Improved Land Mark  . . . . . . 230--230
                      Anonymous   Labor in England, and the International
                                  Working Men's Association  . . . . . . . 231--231
                      Anonymous   Important Decisions by the Commissioner
                                  of Patents . . . . . . . . . . . . . . . 231--231
                      Anonymous   Trade Mark Registrations . . . . . . . . 231--231
                      Anonymous   Chemical Manures . . . . . . . . . . . . 231--232
                      Anonymous   The Ether Controversy  . . . . . . . . . 232--232
                      Anonymous   Fair of the American Institute . . . . . 232--233
                      Anonymous   Editorial Summary  . . . . . . . . . . . 233--233
                      Anonymous   Answers to Correspondents  . . . . . . . 233--234
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 234--234
                      Anonymous   Recent American and Foreign Patents  . . 234--235
                      Anonymous   Official List of Patents . . . . . . . . 235--235

Scientific American
Volume 25, Number 16, October 14, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 243--245
                      Anonymous   Business and Personal  . . . . . . . . . 249--249
                      Anonymous   Books: New Books and Publications  . . . 250--250
                      Anonymous   Bessemer's Heavy Ordnance  . . . . . . . 239--240
                      Anonymous   Screw and Rivet Manufacture  . . . . . . 240--240
                      Anonymous   New Appliances for Wool Scouring and
                                  Dyeing . . . . . . . . . . . . . . . . . 241--242
                      Anonymous   Bain's Portable Buildings  . . . . . . . 242--243
                      Anonymous   Warner and Payne's Door Lock . . . . . . 243--243
                      Anonymous   Recent Important Patent Decisions Before
                                  the United States Circuit Court for the
                                  Eastern District of Pennsylvania. ---
                                  Mc'Kennan, Judge Saponifier Patent . . . 245--246
                      Anonymous   Homes for Mechanics  . . . . . . . . . . 247--247
                      Anonymous   The English Patent System. --- What Will
                                  They Do With It  . . . . . . . . . . . . 247--247
                      Anonymous   The Gold Weight of Sunshine  . . . . . . 247--247
                      Anonymous   How Many Hours Ought to Constitute a
                                  Day's Work?  . . . . . . . . . . . . . . 247--248
                      Anonymous   The Value of Property in Patents
                                  Illustrated. Recent Important Patent
                                  Decisions  . . . . . . . . . . . . . . . 248--248
                      Anonymous   Fair of the American Institute . . . . . 248--249
                      Anonymous   The Zinc White Patent Decision . . . . . 249--249
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 249--249
                      Anonymous   Answer to Correspondents . . . . . . . . 250--250
                      Anonymous   Applications for Extension of Patents    250--250
                      Anonymous   Practical Hints to Inventors . . . . . . 250--250
                      Anonymous   Recent American and Foreign Patents  . . 251--251
                      Anonymous   Official List of Patents . . . . . . . . 251--252
                      Anonymous   The Second Annual Fair --- of the ---
                                  Alabama Agricultural --- and ---
                                  Mechanical Association . . . . . . . . . 252--252

Scientific American
Volume 25, Number 17, October 21, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 260--261
                      Anonymous   Business and Personal: Recent American
                                  and Foreign Patents  . . . . . . . . . . 266--266
                      Anonymous   Business and Personal  . . . . . . . . . 266--267
                      Anonymous   Improved Universal Wood Working Machine  255--255
                      Anonymous   Coloring Cold  . . . . . . . . . . . . . 255--255
                      Anonymous   Breadstuff's and Cotton Imported Into
                                  Great Britain  . . . . . . . . . . . . . 255--255
                      Anonymous   Colorado Ores  . . . . . . . . . . . . . 256--256
                      Anonymous   Editorial Summary  . . . . . . . . . . . 256--258
                      Anonymous   Baxter's Portable Steam Engine . . . . . 258--258
                      Anonymous   Apparatus for Exhibiting the Properties
                                  of Vapors  . . . . . . . . . . . . . . . 259--259
                      Anonymous   The Waterbury Water Meter  . . . . . . . 259--259
                      Anonymous   M'Gee's Collar Pin . . . . . . . . . . . 259--259
                      Anonymous   The Cerulean Pleasonton's Sunshine
                                  Patent . . . . . . . . . . . . . . . . . 261--262
                      Anonymous   Combined Sadiron and Stand, and Combined
                                  Reversible Sadiron and Polishing Iron    262--262
                      Anonymous   The Great Fire at Chicago. a National
                                  Calamity and a Terrible Lesson . . . . . 263--263
                      Anonymous   An Example to Manufacturers  . . . . . . 263--263
                      Anonymous   Recent Progress in Metallurgy  . . . . . 263--264
                      Anonymous   Master and Apprentice  . . . . . . . . . 264--264
                      Anonymous   Fair of the American Institute . . . . . 264--264
                      Anonymous   A Remarkable History --- A True Story
                                  that is Stranger than Romance --- How
                                  Misfortune was Crowned by Success  . . . 264--265
                      Anonymous   Marquard's Artificial Stone  . . . . . . 265--265
                      Anonymous   Scientific Intelligence  . . . . . . . . 265--265
                 John C. Draper   A Light Unit . . . . . . . . . . . . . . 266--266
                      Anonymous   Answers to Correspondents  . . . . . . . 267--267
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 267--267
                      Anonymous   Official List of Patents . . . . . . . . 267--268

Scientific American
Volume 25, Number 18, October 28, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 276--276
                      Anonymous   Business and Personal  . . . . . . . . . 281--281
                      Anonymous   Proposed Monument in Athens to
                                  Commemorate Greek Independence . . . . . 271--271
                      Anonymous   The Late Rev. W. V. Harcourt's
                                  Researches on Glass  . . . . . . . . . . 272--272
                     G. Fleming   Horse Shoeing  . . . . . . . . . . . . . 272--272
                      Anonymous   Paper Making in Japan  . . . . . . . . . 273--274
                      Anonymous   The American Safety Student Lamp . . . . 274--274
                      Anonymous   Lowe's Bucket Elevator . . . . . . . . . 275--275
                 John C. Draper   Filtration in Refineries and
                                  Manufactories  . . . . . . . . . . . . . 275--275
                      Anonymous   Fairlie's Improvements in Locomotive
                                  Engines  . . . . . . . . . . . . . . . . 277--278
                      Anonymous   Herr's Paper File  . . . . . . . . . . . 278--278
                      Anonymous   Fireproof Building . . . . . . . . . . . 279--279
                      Anonymous   A Gigantic Railway Project . . . . . . . 279--279
                      Anonymous   The Great Fires in the Northwest . . . . 279--279
                      Anonymous   The New Jersey Zinc Company  . . . . . . 279--279
                      Anonymous   Comets . . . . . . . . . . . . . . . . . 279--280
                      Anonymous   Electricity in Medicine  . . . . . . . . 280--280
                      Anonymous   Fair of the American Institute . . . . . 280--280
                      Anonymous   Scientific Intelligence  . . . . . . . . 280--281
                      Anonymous   Fireproof Safes --- Improvements
                                  Urgently Called for  . . . . . . . . . . 281--281
                      Anonymous   Answers to Correspondents  . . . . . . . 281--281
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 282--282
                      Anonymous   Recent American and Foreign Patents  . . 282--283
                      Anonymous   Applications for Extension of Patents    283--283
                      Anonymous   Official List of Patents . . . . . . . . 283--284

Scientific American
Volume 25, Number 19, November 4, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 292--293
                      Anonymous   Books: New Books and Publications  . . . 297--297
                      Anonymous   Business and Personal  . . . . . . . . . 298--298
                      Anonymous   Organ Blowing Apparatus  . . . . . . . . 287--288
                      Anonymous   Model Iron Works . . . . . . . . . . . . 289--291
                      Anonymous   Ireland's Vaults for the Safe Keeping of
                                  Valuables  . . . . . . . . . . . . . . . 291--291
                 John O. Draper   Steam Versus Disease . . . . . . . . . . 291--291
                      Anonymous   Improvement in Earth Closets . . . . . . 293--293
                      Anonymous   The Champion Spring Bed  . . . . . . . . 294--294
                      Anonymous   Bock's Improved One Horse Sleigh Shaft   294--294
                      Anonymous   Coogan's Machine for Boarding Pebbling,
                                  and Glossing Leather . . . . . . . . . . 294--294
                      Anonymous   The Dependence of Future Mechanical
                                  Progress upon the Discovery of New
                                  Materials  . . . . . . . . . . . . . . . 295--295
                      Anonymous   Fireproof Building . . . . . . . . . . . 295--295
                      Anonymous   The Leisure Time of Boys . . . . . . . . 295--295
                      Anonymous   Validity of Patents Issued under the New
                                  Law  . . . . . . . . . . . . . . . . . . 295--296
                      Anonymous   Something about Faces  . . . . . . . . . 296--296
                      Anonymous   Death of Sir Roderick Impey Murchison    296--296
                      Anonymous   Fair of the American Institute. ---
                                  Additional Objects of Interest . . . . . 296--297
                      Anonymous   Large Number of Patents Extended . . . . 297--297
                      Anonymous   Answers to Correspondents  . . . . . . . 298--298
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 298--298
                      Anonymous   Recent American and Foreign Patents  . . 298--299
                      Anonymous   Official List of Patents . . . . . . . . 299--300
                      Anonymous   Applications for Extension of Patents    300--300

Scientific American
Volume 25, Number 20, November 11, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 308--309
                      Anonymous   Books: New Books and Publications  . . . 313--313
                      Anonymous   Business and Personal  . . . . . . . . . 314--314
                      Anonymous   Electro-Pneumatic Protector, an Italian
                                  Diving Bell --- The Inventor Writing
                                  Letter at the bottom of the sea, and
                                  more . . . . . . . . . . . . . . . . . . 303--304
                      Anonymous   Foster's Thill Coupling  . . . . . . . . 306--306
                      Anonymous   Ventilating Grain Vessel and Grain Car   306--306
                      Anonymous   Improved Pocket Oiler  . . . . . . . . . 306--306
                      Anonymous   Smith's Improved Hollow Auger  . . . . . 306--306
                      Anonymous   Psychic Force. --- Further Experiments
                                  by Dr Crookes. --- Reply to his
                                  Opponents  . . . . . . . . . . . . . . . 307--307
             P. H. Vander Weyde   On Musical Telegraph Companies . . . . . 309--310
                      Anonymous   Suitable Building Material for Cities    311--311
                      Anonymous   Dr. Crookes and Psychic Force  . . . . . 311--311
                      Anonymous   American Forests . . . . . . . . . . . . 311--312
                      Anonymous   General Reflections Suggested: by the
                                  Fair of the American Institute . . . . . 312--312
                      Anonymous   Use of Sodium for Blasting . . . . . . . 312--312
                      Anonymous   Propulsion of Street Cars  . . . . . . . 312--312
                      Anonymous   Improvement in Pavements --- Artificial
                                  Stone Flagging for Sidewalks . . . . . . 312--312
                      Anonymous   The Health of Baron Liebig . . . . . . . 312--312
                      Anonymous   Our Chicago Exchanges  . . . . . . . . . 313--313
                      Anonymous   Recent Patent Decisions  . . . . . . . . 313--313
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 313--313
                      Anonymous   Answers to Correspondents  . . . . . . . 314--314
                      Anonymous   Applications for Extension of Patents    314--314
                      Anonymous   Recent American and foreign patents  . . 314--315
                      Anonymous   Official List of Patents . . . . . . . . 315--316

Scientific American
Volume 25, Number 21, November 18, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 324--326
                      Anonymous   Business and Personal  . . . . . . . . . 330--330
                      Anonymous   Improved Tunneling Drill . . . . . . . . 319--320
                      Anonymous   Electricity at the American Institute
                                  Exhibition . . . . . . . . . . . . . . . 320--320
                      Anonymous   Trial of Fire Arms . . . . . . . . . . . 320--320
                      Anonymous   Mammoth Cave and How it was Made . . . . 321--321
                      Anonymous   The Humboldt Monument  . . . . . . . . . 322--322
                      Anonymous   Williams' Improved Axle Box for Railway
                                  Cars . . . . . . . . . . . . . . . . . . 323--323
                      Anonymous   An Explosion on the Sun  . . . . . . . . 323--323
                      Anonymous   Bebout's Rafter Hook . . . . . . . . . . 326--326
                      Anonymous   Evaporative Power of Boilers . . . . . . 327--327
                      Anonymous   The Open Polar Sea . . . . . . . . . . . 327--327
                      Anonymous   The Sale of Patented Articles  . . . . . 327--327
                      Anonymous   How to Prevent and How to Extinguish
                                  Fires  . . . . . . . . . . . . . . . . . 327--328
                      Anonymous   The Proposed Exhibition of Vienna, in
                                  1873 . . . . . . . . . . . . . . . . . . 328--328
                      Anonymous   Fireproof Buildings for Preserving
                                  Public Records . . . . . . . . . . . . . 328--328
                      Anonymous   Scientific Intelligence  . . . . . . . . 328--329
                      Anonymous   Recent Patent Decisions  . . . . . . . . 329--329
                      Anonymous   Answers to Correspondents  . . . . . . . 329--330
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 330--330
                      Anonymous   Applications for Extension of Patents    330--330
                      Anonymous   Recent American and Foreign Patents  . . 331--331
                      Anonymous   Official List of Patents . . . . . . . . 331--332

Scientific American
Volume 25, Number 22, November 25, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 340--340
                      Anonymous   Business and Personal  . . . . . . . . . 345--346
                      Anonymous   Books: New Books and Publications  . . . 347--347
                      Anonymous   The Screw Mower and Reaper, A Burmese
                                  Hairy Woman  . . . . . . . . . . . . . . 335--335
                      Anonymous   Roofs, Pavements, and Safes, under Fire
                                  at Chicago . . . . . . . . . . . . . . . 335--336
                      Anonymous   Down in the Caisson of the East Pier of
                                  the St. Louis Bridge . . . . . . . . . . 336--337
                      Anonymous   The Chicago Water Works as They Appeared
                                  Before the Late Fire . . . . . . . . . . 339--339
                      Anonymous   The New City Post Office . . . . . . . . 339--340
                 John C. Draper   Absorption of Moisture by Brick and
                                  Stone  . . . . . . . . . . . . . . . . . 340--341
             P. H. Vander Weyde   Some Remarks on Professor Crookes'
                                  Latest Communications  . . . . . . . . . 341--342
                      Anonymous   A Remarkable Boy Mechanic  . . . . . . . 342--342
                      Anonymous   Simonson's Improved Filtering Cistern    342--342
                      Anonymous   Quinnipiac Dam . . . . . . . . . . . . . 342--342
                      Anonymous   Hints to Inventors . . . . . . . . . . . 343--343
                      Anonymous   More About the Labor Question  . . . . . 343--343
                      Anonymous   Another Great Public Work  . . . . . . . 343--344
                      Anonymous   The Hassler Oceanic Exploration  . . . . 344--344
                      Anonymous   Uses of Glass in Architectural
                                  Decoration Etc.  . . . . . . . . . . . . 344--344
                      Anonymous   A Word about Repairs . . . . . . . . . . 344--344
                      Anonymous   Books for Mechanics  . . . . . . . . . . 344--344
                      Anonymous   Scientific Intelligence  . . . . . . . . 344--345
                      Anonymous   Holly's System of Fire Protection and
                                  Water Supply . . . . . . . . . . . . . . 345--345
                      Anonymous   Answers to Correspondents  . . . . . . . 346--346
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 346--346
                      Anonymous   Recent American and Foreign Patents  . . 346--347
                      Anonymous   Official List of Patents . . . . . . . . 347--348
                      Anonymous   Applications for Extension of Patents    348--348

Scientific American
Volume 25, Number 23, December 2, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 356--356
                      Anonymous   Books: New Books and Publications  . . . 361--361
                      Anonymous   Church of St. Peter's, Bournemouth
                                  England  . . . . . . . . . . . . . . . . 351--352
                      Anonymous   Cornell University --- A Student's Labor
                                  for Knowledge  . . . . . . . . . . . . . 352--353
                      Anonymous   New Publication --- The Science Record,
                                  for 1872 . . . . . . . . . . . . . . . . 353--354
                      Anonymous   Briesen's Writing Apparatus for The
                                  Blind Etc. . . . . . . . . . . . . . . . 354--355
                      Anonymous   Improved Axle for Railway Cars and
                                  Locomotives  . . . . . . . . . . . . . . 355--355
                      Anonymous   Units of Heat and of Force . . . . . . . 356--356
                 John C. Draper   Decay of Stone and Brick . . . . . . . . 357--357
                       G. E. H.   Occasional Notes . . . . . . . . . . . . 357--358
                      Anonymous   Too Much Gas; Not Enough Light . . . . . 359--359
                      Anonymous   Progress of The Underground Railway
                                  System . . . . . . . . . . . . . . . . . 359--359
                      Anonymous   An Exact Method of Determining The
                                  Evaporative Efficiency of Steamboilers   359--359
                      Anonymous   Concrete Building  . . . . . . . . . . . 359--360
                      Anonymous   Dr. Draper's Experiments with Brick and
                                  Stone  . . . . . . . . . . . . . . . . . 360--360
                      Anonymous   The Study of Science in Schools  . . . . 360--360
                      Anonymous   A Number of Extensions --- Tedious
                                  Sewing Machine Case  . . . . . . . . . . 360--361
                      Anonymous   Scientific Intelligence  . . . . . . . . 361--361
                      Anonymous   Prince Alexis --- His Welcome to America 361--361
                      Anonymous   Business and Personal  . . . . . . . . . 361--361
                      Anonymous   Answers to Correspondents  . . . . . . . 362--362
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 362--362
                      Anonymous   Recent American and Foreign Patents  . . 362--363
                      Anonymous   Official List of Patents . . . . . . . . 363--364
                      Anonymous   Applications for Extension of Patents    364--364

Scientific American
Volume 25, Number 24, December 9, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 372--372
                      Anonymous   Books: New Books and Publications  . . . 377--377
                      Anonymous   Business and Personal  . . . . . . . . . 377--377
                      Anonymous   The Landore Siemens Steel Works England  367--368
                      Anonymous   Durability of Timber . . . . . . . . . . 368--370
                      Anonymous   Calles' Hydro-Aero-Dynamic Wheel . . . . 370--372
             P. H. Vander Weyde   On Specific Heat . . . . . . . . . . . . 372--372
                      Anonymous   Syracuse --- Its Mechanical Industries   372--373
                A. H. Van Cleve   Report of Experiments for Testing the
                                  Relative Value of Lubricating Oils . . . 373--374
                      Anonymous   Smith's Portable Furnace for Shrinking
                                  on Tires . . . . . . . . . . . . . . . . 374--374
                      Anonymous   Tangye's Smoke and Heat Precipitator . . 374--374
                      Anonymous   Improvement in the Manufacture of White
                                  Lead . . . . . . . . . . . . . . . . . . 374--374
                      Anonymous   Something about Lubricators  . . . . . . 375--375
                      Anonymous   To Smoke or Not to Smoke . . . . . . . . 375--375
                      Anonymous   The Condition of Mechanics and Laborers
                                  in England . . . . . . . . . . . . . . . 375--376
                      Anonymous   Protection to American Industry  . . . . 376--376
                      Anonymous   Scientific Intelligence  . . . . . . . . 376--376
                      Anonymous   Timely Suggestions . . . . . . . . . . . 377--377
                      Anonymous   Recent American and Foreign Patents  . . 378--379
                      Anonymous   Applications for Extension of Patents    379--379
                      Anonymous   Official List of Patents . . . . . . . . 379--380

Scientific American
Volume 25, Number 25, December 16, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 388--389
                      Anonymous   Books: New Books and Publications  . . . 394--394
                      Anonymous   Business and Personal  . . . . . . . . . 394--394
                      Anonymous   Green and Stancliff's Apparatus for
                                  Hoisting and Conveying Coal  . . . . . . 383--383
                      Anonymous   Notes on Flying and Flying Machines  . . 384--386
                      Anonymous   The Thames Embankment  . . . . . . . . . 387--388
             P. H. Vander Weyde   Remarkable Relation between the Specific
                                  Heat and the Atomic Weight . . . . . . . 389--390
                      Anonymous   Wilcox's Folding Hencoop . . . . . . . . 390--390
                      Anonymous   Self-Closing Telegraph Key . . . . . . . 390--390
                      Anonymous   The New York Gas Monopolies  . . . . . . 391--391
                      Anonymous   The Repetition of Experiments  . . . . . 391--391
                      Anonymous   The Condemnation of the Hall of Public
                                  Records for the City and County of New
                                  York . . . . . . . . . . . . . . . . . . 391--391
                      Anonymous   A Mare's Nest --- More about the Gas
                                  Question . . . . . . . . . . . . . . . . 391--392
                      Anonymous   Education of the Eye . . . . . . . . . . 392--392
                      Anonymous   The St. Gothard Tunnel --- Another Grand
                                  Engineering Work . . . . . . . . . . . . 392--392
                      Anonymous   A Most Ingenious Machine . . . . . . . . 392--392
                      Anonymous   Mechanical Bigots  . . . . . . . . . . . 392--392
                      Anonymous   Important Improvement in Glass and Plate
                                  Engraving  . . . . . . . . . . . . . . . 392--392
                      Anonymous   Science Record for 1872  . . . . . . . . 393--393
                      Anonymous   Scientific Intelligence  . . . . . . . . 393--393
                      Anonymous   To City Subscribers  . . . . . . . . . . 393--393
                      Anonymous   Timely Suggestions . . . . . . . . . . . 393--394
                      Anonymous   Applications for Extension of Patents    394--394
                      Anonymous   Answers to Correspondents  . . . . . . . 394--395
                      Anonymous   Queries  . . . . . . . . . . . . . . . . 395--395
                      Anonymous   Recent American and Foreign Patents  . . 395--395
                      Anonymous   Official List of Patents . . . . . . . . 395--396

Scientific American
Volume 25, Number 26, December 23, 1871

                      Anonymous   Correspondence . . . . . . . . . . . . . 404--405
                      Anonymous   Business and Personal  . . . . . . . . . 408--408
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 410--412
                      Anonymous   The Tunneling and Blasting Operations at
                                  Hell Gate, East River New York . . . . . 399--400
                      Anonymous   Notes on Flying and Flying Machines  . . 400--401
                      Anonymous   Manufacture of Artificial Stone for the
                                  Carthagena Breakwater  . . . . . . . . . 402--402
                      Anonymous   Charles Babbage  . . . . . . . . . . . . 402--403
                      Anonymous   Machine for Rolling Tapered Bars . . . . 403--403
                      Anonymous   Maine's Portable Window Ventilator . . . 403--403
                      Anonymous   The Application of Mechanics and
                                  Mechanical Principles in Agricultural
                                  Operations . . . . . . . . . . . . . . . 403--404
                      Anonymous   Subterranean Explorations  . . . . . . . 405--405
             P. H. Vander Weyde   Latent Heat of Liquids . . . . . . . . . 405--406
                      Anonymous   Wendell's Combined Door Buffer and Door
                                  Fastener . . . . . . . . . . . . . . . . 406--406
                      Anonymous   Close of the Twenty-Sixth Year of the
                                  \booktitleScientific American  . . . . . 407--407
                      Anonymous   The Great Exhibition at Vienna, 1873 . . 407--407
                      Anonymous   Lyceum of Natural History --- Discussion
                                  on Milk and Disinfectants  . . . . . . . 407--407
                      Anonymous   The Mysteries of Flight  . . . . . . . . 407--408
                      Anonymous   Science Record for 1872  . . . . . . . . 408--408
                      Anonymous   To City Subscribers  . . . . . . . . . . 408--408
                      Anonymous   Timely Suggestions . . . . . . . . . . . 408--408
                      Anonymous   Applications for Extension of Patents    408--408
                      Anonymous   Answers to Correspondents  . . . . . . . 409--409
                      Anonymous   Official List of Patents . . . . . . . . 409--409


Scientific American
Volume 26, Number 1, January 1, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 4--5
                      Anonymous   Business and Personal  . . . . . . . . . 9--9
                      Anonymous   Notes and Queries  . . . . . . . . . . . 9--9
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 12--14
                      Anonymous   Professor Louis Agassiz  . . . . . . . . 1--2
                      Anonymous   Eccentric Spring Vise  . . . . . . . . . 2--2
                      Anonymous   Sheppard's Cotton Tie  . . . . . . . . . 2--2
                      Anonymous   Science Record for 1872  . . . . . . . . 2--2
                      Anonymous   Goux's Improvements in Earth Closets . . 3--3
                      Anonymous   Hot Water Heater for Greenhouses . . . . 3--3
                    O. A. Young   Encke's Comet  . . . . . . . . . . . . . 3--4
             P. H. Vandee Weyde   Latent Heat of Vapors and Gases  . . . . 5--6
                      Anonymous   Bridgman's Thill Coupling  . . . . . . . 6--6
                      Anonymous   Artificial Stone and Fireproof Buildings 7--7
                      Anonymous   Education of the Ear . . . . . . . . . . 7--7
                      Anonymous   Meteorology, Its Capabilities and Its
                                  Future . . . . . . . . . . . . . . . . . 7--7
                      Anonymous   The Last Six Months of Chemistry . . . . 8--8
                      Anonymous   Science Record for 1872  . . . . . . . . 8--8
                      Anonymous   Scientific Intelligence  . . . . . . . . 8--8
                      Anonymous   Patent Decision  . . . . . . . . . . . . 8--8
                      Anonymous   To City Subscribers  . . . . . . . . . . 8--8
                      Anonymous   Timely Suggestions . . . . . . . . . . . 8--9
                      Anonymous   Answer to Correspondents . . . . . . . . 9--10
                      Anonymous   Recent American and Foreign Patents  . . 10--12
                      Anonymous   Official List of Patents . . . . . . . . 12--12
                      Anonymous   Applications for Extension of Patents    12--12

Scientific American
Volume 26, Number 2, January 6, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 20--20
                      Anonymous   Notes and Queries  . . . . . . . . . . . 26--26
                      Anonymous   Business and Personal  . . . . . . . . . 26--26
                      Anonymous   Books: New Books and Publications  . . . 27--27
                      Anonymous   Ship Ventilator, Fog Alarm, and Bilge
                                  Pump, Celestial Engineering  . . . . . . 15--16
                      Anonymous   On the Colors of Metals  . . . . . . . . 16--16
                      Anonymous   Keith's Improvement in Nickel Plating    16--16
                      Anonymous   Hydraulic Cements --- Their Adaptability
                                  for Useful and Ornamental Purposes . . . 17--17
                      Anonymous   The Philosophical Institution and
                                  Library, Bristol, England  . . . . . . . 18--19
             P. H. Vander Weyde   Latent Heat of Dissociation  . . . . . . 21--21
                      Anonymous   Society of Arts of the Massachusetts
                                  Institute of Technology  . . . . . . . . 21--22
                      Anonymous   Steam Towage on Canals . . . . . . . . . 22--22
                      Anonymous   Bartholomew's Self-Adjusting Suspender   22--22
                      Anonymous   Six Months of Engineering Progress . . . 23--23
                      Anonymous   Proposed Atlantic and Great Western
                                  Canal  . . . . . . . . . . . . . . . . . 23--23
                      Anonymous   Artificial Stone . . . . . . . . . . . . 23--23
                      Anonymous   Granite and Asphalte Roadways  . . . . . 24--24
                      Anonymous   Mr. Justice Grove, F.R.S.  . . . . . . . 24--24
                      Anonymous   The First Locomotives in America . . . . 24--25
                      Anonymous   Mr. Grove on Patent Law  . . . . . . . . 25--25
                      Anonymous   Scientific Intelligence  . . . . . . . . 25--26
                      Anonymous   Applications for Extension of Patents    26--26
                      Anonymous   Answers to Correspondents  . . . . . . . 27--27
                      Anonymous   Recent American and Foreign Patents  . . 27--27
                      Anonymous   To City Subscribers  . . . . . . . . . . 27--27
                      Anonymous   Official List of Patents . . . . . . . . 28--28

Scientific American
Volume 26, Number 3, January 13, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 36--36
                      Anonymous   Books: New Books and Publications  . . . 41--41
                      Anonymous   Business and Personal  . . . . . . . . . 41--41
                      Anonymous   Notes and Queries  . . . . . . . . . . . 42--42
                      Anonymous   Index of Inventions  . . . . . . . . . . 44--44
                      Anonymous   Great Reduction in Cost of Steam Power
                                  --- Remarkable Results . . . . . . . . . 31--31
                      Anonymous   Pooley's Automatic Grain Weigher . . . . 31--32
                      Anonymous   Hydraulic Cements --- Their Adaptability
                                  for Useful and Ornamental Purposes . . . 32--33
                      Anonymous   Mineral Waters . . . . . . . . . . . . . 33--33
                      Anonymous   Friction Gearing Versus Belts and Cog
                                  Wheels . . . . . . . . . . . . . . . . . 33--35
                 John C. Draper   The Attraction of the Moon . . . . . . . 35--35
                      Anonymous   The Allegheny Observatory  . . . . . . . 35--36
             P. H. Vander Weyde   The Modern Theory of Heat Applied to the
                                  Phenomena of Latent Heat, Combustion,
                                  Etc. . . . . . . . . . . . . . . . . . . 37--37
             P. H. Vandee Weyde   Expose of the Tricks of the Davenport
                                  Brothers . . . . . . . . . . . . . . . . 37--37
                      Anonymous   Sterhydraulic Apparatus  . . . . . . . . 38--38
                      Anonymous   Lewis' Twine Cutter  . . . . . . . . . . 38--38
                      Anonymous   What is a Machine? . . . . . . . . . . . 39--39
                      Anonymous   Poisoning by Antimony --- The Wharton
                                  Trial  . . . . . . . . . . . . . . . . . 39--39
                      Anonymous   Health and Disease . . . . . . . . . . . 39--40
                      Anonymous   The Study of Alloys  . . . . . . . . . . 40--40
                      Anonymous   Artificial Fuel  . . . . . . . . . . . . 40--40
                      Anonymous   The American Master Mechanics'
                                  Association  . . . . . . . . . . . . . . 40--40
                      Anonymous   The Agassiz Exploring Expedition ---
                                  Interesting Results Already Obtained . . 40--41
                      Anonymous   Loiseau's Compressed Fuel  . . . . . . . 41--41
                      Anonymous   To City Subscribers  . . . . . . . . . . 41--41
                      Anonymous   Applications for Extension of Patents    41--41
                      Anonymous   Answers to Correspondents  . . . . . . . 42--42
                      Anonymous   Recent American and Foreign Patents  . . 42--43

Scientific American
Volume 26, Number 4, January 20, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 52--53
                      Anonymous   Books: New Books and Publications  . . . 57--57
                      Anonymous   Business and Personal  . . . . . . . . . 57--57
                      Anonymous   Notes and Queries  . . . . . . . . . . . 58--58
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   Scientific Commission of Japan . . . . . 47--47
                      Anonymous   History of Ice-Making Machinery  . . . . 47--49
                      Anonymous   Soda . . . . . . . . . . . . . . . . . . 49--49
                      Anonymous   Extraordinary Experiments on Steam
                                  Boilers  . . . . . . . . . . . . . . . . 50--51
                      Anonymous   Free Piston Air Pump . . . . . . . . . . 51--51
                      Anonymous   Preparation and Composition of Alloys    53--53
                      Anonymous   The American Historical Record . . . . . 53--54
                      Anonymous   Mechanical Needle Sharpener  . . . . . . 54--54
                      Anonymous   Haupt's Improved Easy Chair  . . . . . . 54--54
                      Anonymous   Knife Cleaner and Polisher . . . . . . . 54--54
                      Anonymous   Accurate Workmanship . . . . . . . . . . 55--55
                      Anonymous   High and Low Steam . . . . . . . . . . . 55--55
                      Anonymous   The Late James Fisk, Jr. . . . . . . . . 55--55
                      Anonymous   Teach the Children to Draw . . . . . . . 55--56
                      Anonymous   The Study of Botany  . . . . . . . . . . 56--56
                      Anonymous   Pure Air . . . . . . . . . . . . . . . . 56--56
                      Anonymous   Portable Fire Extinguisher . . . . . . . 56--56
                      Anonymous   Scientific and Practical Information . . 56--57
                      Anonymous   To City Subscribers  . . . . . . . . . . 57--57
                      Anonymous   Answers to Correspondents  . . . . . . . 58--58
                      Anonymous   Recent American and Foreign Patents  . . 58--59

Scientific American
Volume 26, Number 5, January 27, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 67--68
                      Anonymous   Books: New Books and Publications  . . . 73--73
                      Anonymous   Business and Personal  . . . . . . . . . 74--74
                      Anonymous   Notes and Queries  . . . . . . . . . . . 74--74
                      Anonymous   Index of Inventions  . . . . . . . . . . 76--76
                      Anonymous   Improved Wood Pavement . . . . . . . . . 63--63
                      Anonymous   The Air Compressors at the Mont Cenis
                                  Tunnel . . . . . . . . . . . . . . . . . 63--64
                      Anonymous   Illuminating Gas --- Natural Gas Wells
                                  --- Coal Gas --- Water Gas Fallacies . . 64--65
                      Anonymous   Kenwood Tower, Highgate, Near London . . 66--66
             P. H. Vander Weyde   Expose of the Tricks of the Davenport
                                  Brothers . . . . . . . . . . . . . . . . 68--69
                      Anonymous   Editorial Summary  . . . . . . . . . . . 69--70
                      Anonymous   Baldwin's Saw Clamp  . . . . . . . . . . 70--70
                      Anonymous   The Franklin Statue in Printing House
                                  Square . . . . . . . . . . . . . . . . . 70--70
                      Anonymous   Heating and Ventilation of Buildings . . 71--71
                      Anonymous   The Antiquity of the Iron Manufacture    71--71
                      Anonymous   What to Do When You Are in Trouble . . . 71--71
                      Anonymous   Polishing Wood . . . . . . . . . . . . . 72--72
                      Anonymous   The Spread of Small Pox  . . . . . . . . 72--72
                      Anonymous   The Natural Features of South America
                                  --- New and Interesting Discoveries  . . 72--72
                      Anonymous   Scientific and Practical Information . . 73--73
                      Anonymous   To City Subscribers  . . . . . . . . . . 73--73
                      Anonymous   Answers to Correspondents  . . . . . . . 74--74
                      Anonymous   Recent American and Foreign Patents  . . 74--76

Scientific American
Volume 26, Number 6, February 3, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 84--84
                      Anonymous   Business and Personal  . . . . . . . . . 90--90
                      Anonymous   Notes and Queries  . . . . . . . . . . . 90--90
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--92
                      Anonymous   Books: New Books and Publications  . . . 92--92
                      Anonymous   The Road Steamer ``America'' . . . . . . 79--82
                      Anonymous   Transmitting Rotary Motion at Angles
                                  from the Plane of Rotation . . . . . . . 82--82
                      Anonymous   On Ice, Water, Vapor, and Air  . . . . . 83--84
                      Anonymous   Abridgement of the Annual Report of the
                                  Commissioner of Patents for the Year
                                  1871 . . . . . . . . . . . . . . . . . . 84--85
                      Anonymous   Ice Boating on the Hudson  . . . . . . . 86--86
                      Anonymous   How Shall I Introduce My Invention?  . . 87--87
                      Anonymous   Annual Report of the Commissioner of
                                  Patents  . . . . . . . . . . . . . . . . 87--87
                      Anonymous   How General Business Is Influenced by
                                  Patents  . . . . . . . . . . . . . . . . 87--88
                      Anonymous   Facts and Figures --- Importance of the
                                  Latter to Substantiate the Former  . . . 88--88
                      Anonymous   Russian International Exhibition . . . . 88--88
                      Anonymous   The Solar Eclipse, December, 1871  . . . 88--88
                      Anonymous   How to Build an Ice Boat . . . . . . . . 88--88
                      Anonymous   The Heating of Buildings by Steam  . . . 88--89
                      Anonymous   Scientific and Practical Information . . 89--89
                      Anonymous   Will You Favor Us? . . . . . . . . . . . 89--89
                      Anonymous   Answers to Correspondents  . . . . . . . 90--91
                      Anonymous   Recent American and Foreign Patents  . . 91--92

Scientific American
Volume 26, Number 7, February 10, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 100--100
                      Anonymous   Business and Personal  . . . . . . . . . 106--106
                      Anonymous   Notes and Queries  . . . . . . . . . . . 106--106
                      Anonymous   Index of Inventions  . . . . . . . . . . 108--108
                      Anonymous   Books: New Books and Publications  . . . 108--108
                      Anonymous   The Pennell and Zimmer Dovetail and
                                  Shaping Machine  . . . . . . . . . . . . 95--95
                      Anonymous   Chemical Experiments for Youthful
                                  Readers  . . . . . . . . . . . . . . . . 95--96
                      Anonymous   State Education and the Labor Question   97--97
                      Anonymous   Removal of Oil from Wool . . . . . . . . 98--98
                      Anonymous   Wrought Iron and Steel Posts . . . . . . 99--99
                      Anonymous   Albert's Method of Securing Flag
                                  Halyards . . . . . . . . . . . . . . . . 99--99
                      Anonymous   The Phosphoric Light . . . . . . . . . . 99--100
                      Anonymous   Variance between Hydrostatic and Steam
                                  Pressure in Boilers  . . . . . . . . . . 100--101
                      Anonymous   Ice Harvesting on the Hudson . . . . . . 102--102
                      Anonymous   What Shall be Done with the Models at
                                  the Patent Office? . . . . . . . . . . . 103--103
                      Anonymous   Drying by Cold . . . . . . . . . . . . . 103--103
                      Anonymous   To our Readers . . . . . . . . . . . . . 103--103
                      Anonymous   The Education of the Deaf and Dumb . . . 103--103
                      Anonymous   Production of Steam in Boilers . . . . . 103--104
                      Anonymous   Imperfection in Lamps, Wicks, Fluids . . 104--104
                      Anonymous   Religion and Science . . . . . . . . . . 104--104
                      Anonymous   The Navy of the Future . . . . . . . . . 104--104
                      Anonymous   Scientific and Practical Information . . 105--105
                      Anonymous   Editorial Summary  . . . . . . . . . . . 105--105
                      Anonymous   A New Scientific Work  . . . . . . . . . 106--106
                      Anonymous   Will You Favor Us? . . . . . . . . . . . 106--106
                      Anonymous   Answers to Correspondents  . . . . . . . 106--107
                      Anonymous   Recent American and Foreign Patents  . . 107--107
                      Anonymous   How Shall I Introduce My Invention?  . . 108--108

Scientific American
Volume 26, Number 8, February 17, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 115--116
                      Anonymous   Business and Personal  . . . . . . . . . 121--122
                      Anonymous   Notes and Queries  . . . . . . . . . . . 122--122
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--124
                      Anonymous   Books: New Books and Publications  . . . 124--124
                      Anonymous   Improved Horse Power, Mastodon Remains,
                                  and more . . . . . . . . . . . . . . . . 111--112
                      Anonymous   The Law of Trade Marks in England  . . . 112--112
            Charles F. Chandler   Effect of Animal Excreta in Water  . . . 113--113
                      Anonymous   Asbestos Piston Rod Packing  . . . . . . 113--114
                      Anonymous   Harvesting Ice on the Hudson . . . . . . 115--115
                      Anonymous   Fall of the Roof of the Railroad Depot
                                  at Saratoga Springs  . . . . . . . . . . 115--115
                      Anonymous   Japan  . . . . . . . . . . . . . . . . . 116--116
                      Anonymous   Meeting of the Society of Arts of the
                                  Massachusetts Institute of Technology    116--118
                      Anonymous   Gerhart's Improved Wagon Brake . . . . . 118--118
                      Anonymous   Quinby's Geometrical Arching Bricks  . . 118--118
                      Anonymous   The Heating of Buildings by Steam  . . . 119--119
                      Anonymous   Substituting other Vapors for Steam ---
                                  Ether and Bisulphide of Carbon . . . . . 119--119
                      Anonymous   The Indirect Influence of Invention upon
                                  Manufactures, Arts, and Commerce . . . . 119--120
                      Anonymous   Agricultural Chemistry and Chemical
                                  Manures  . . . . . . . . . . . . . . . . 120--120
                      Anonymous   Short Extracts from a few Letters  . . . 120--121
                      Anonymous   Scientific and Practical Information . . 121--121
                      Anonymous   Will You Favor us? . . . . . . . . . . . 121--121
                      Anonymous   A Good Month's Work  . . . . . . . . . . 121--121
                      Anonymous   Answers to Correspondents  . . . . . . . 122--122
                      Anonymous   Recent American and Foreign Patents  . . 123--123
                      Anonymous   How Shall I Introduce My Invention?  . . 124--124

Scientific American
Volume 26, Number 9, February 24, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 132--133
                      Anonymous   Business and Personal  . . . . . . . . . 137--137
                      Anonymous   Notes and Queries  . . . . . . . . . . . 138--138
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   Books: New Books and Publications  . . . 140--140
                      Anonymous   Improved High Pressure Alarm . . . . . . 127--127
                      Anonymous   Mining Speculation --- Something as
                                  Applicable to New York as to London  . . 128--129
                      Anonymous   Lecture Theater Buildings at South
                                  Kensington . . . . . . . . . . . . . . . 130--130
                      Anonymous   Coloring Seeds for Sowing  . . . . . . . 131--131
                      Anonymous   Patent Crocheted Caps for Infants  . . . 131--131
                      Anonymous   A Remedy for Small Pox by One Who Has
                                  Tried It . . . . . . . . . . . . . . . . 133--133
                      Anonymous   The Electro-Magnetic Telegraph --- Honor
                                  to Whom Honor Is Due . . . . . . . . . . 133--133
                      Anonymous   Patent Office Decision . . . . . . . . . 133--134
                      Anonymous   Simons' Safety Hold-Back for Carriages   134--134
                      Anonymous   Substituting other Vapors for Steam ---
                                  Vapor of Liquefied Carbonic Acid . . . . 135--135
                      Anonymous   Sulphite of Soda as a Remedy for Small
                                  Pox  . . . . . . . . . . . . . . . . . . 135--135
                      Anonymous   Compulsory Safety Gages --- The
                                  Steamboat Owners' Protest  . . . . . . . 135--135
                      Anonymous   The Effect of Sound in Buildings as
                                  Influenced by Ventilation  . . . . . . . 135--136
                      Anonymous   The Difference between Benzole and
                                  Benzine  . . . . . . . . . . . . . . . . 136--136
                      Anonymous   The Art of Thinking  . . . . . . . . . . 136--136
                      Anonymous   Japanese Native Steel  . . . . . . . . . 136--136
                      Anonymous   Scientific and Practical Information . . 136--137
                      Anonymous   How Shall I Introduce My Invention?  . . 137--137
                      Anonymous   Answers to Correspondents  . . . . . . . 138--138
                      Anonymous   Recent American and Foreign Patents  . . 139--139

Scientific American
Volume 26, Number 10, March 2, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 148--149
                      Anonymous   Business and Personal  . . . . . . . . . 154--154
                      Anonymous   Notes and Queries  . . . . . . . . . . . 154--155
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--156
                      Anonymous   The Gatling System of Firearms . . . . . 143--146
                      Anonymous   Triscott and Wheeler's Shoe Fastenings   146--146
                      Anonymous   Patton's Improved Meat Chopper . . . . . 147--147
                      Anonymous   Rotary Engines . . . . . . . . . . . . . 147--148
                      Anonymous   Middle Park, Colorado  . . . . . . . . . 149--150
                      Anonymous   Publication of the Patents . . . . . . . 151--151
                      Anonymous   Congress and Patent Extension Cases  . . 151--151
                      Anonymous   Drying Substances by Steam . . . . . . . 151--152
                      Anonymous   American Homesteads  . . . . . . . . . . 152--152
                      Anonymous   The Stupidity of Ignorance . . . . . . . 152--152
                      Anonymous   The Positive Motion Loom Grand Medal of
                                  Honor  . . . . . . . . . . . . . . . . . 152--152
                      Anonymous   Scientific and Practical Information . . 152--152
                      Anonymous   Extension Cases before Congress  . . . . 153--153
                      Anonymous   Answers to Correspondents  . . . . . . . 155--155
                      Anonymous   Recent American and Foreign Patents  . . 155--156

Scientific American
Volume 26, Number 11, March 9, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 163--164
                      Anonymous   Notes and Queries  . . . . . . . . . . . 169--170
                      Anonymous   Business and Personal  . . . . . . . . . 170--170
                      Anonymous   Index of Inventions  . . . . . . . . . . 172--172
                      Anonymous   Books: New Books and Publications  . . . 172--172
                      Anonymous   Improved Portable Steam Brick Machine,
                                  Traction Engine  . . . . . . . . . . . . 159--160
                      Anonymous   Stove Manufactories in Troy  . . . . . . 160--160
                      Anonymous   Inventions and Patents Connected with
                                  Building Ing . . . . . . . . . . . . . . 161--162
                      Anonymous   The Comba Scura Bridge --- Mont Cenis
                                  Railway  . . . . . . . . . . . . . . . . 162--163
                      Anonymous   Mining in Colorado . . . . . . . . . . . 162--163
                      Anonymous   Society of Arts of the Massachusetts
                                  Institute of Technology  . . . . . . . . 164--164
                      Anonymous   The Lowell Water Wheel Tests . . . . . . 165--166
                      Anonymous   The Beckwith Improved Sewing Machine . . 166--166
                      Anonymous   Science in the Courts  . . . . . . . . . 167--167
                      Anonymous   Beet Sugar in the United States  . . . . 167--167
                      Anonymous   Drying Substances by, Hot Air  . . . . . 167--168
                      Anonymous   The Amalgamation of Ores of the Precious
                                  Metals . . . . . . . . . . . . . . . . . 168--168
                      Anonymous   The Knowledge of Specific Heat Applied
                                  to the Determination of Very High
                                  Temperatures . . . . . . . . . . . . . . 168--168
                      Anonymous   Scientific and Practical Information . . 168--168
                      Anonymous   Psychic Force --- Spirit Faces . . . . . 169--169
                      Anonymous   American District Telegraph Company ---
                                  A New Enterprise . . . . . . . . . . . . 169--169
                      Anonymous   Answers to Correspondents  . . . . . . . 170--170
                      Anonymous   Recent American and Foreign Patents  . . 171--171

Scientific American
Volume 26, Number 12, March 16, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 179--180
                      Anonymous   Business and Personal  . . . . . . . . . 185--185
                      Anonymous   Notes and Queries  . . . . . . . . . . . 185--185
                      Anonymous   Index of Inventions  . . . . . . . . . . 187--187
                      Anonymous   Colt's Armory Testing Machine, Railway
                                  Power Brakes . . . . . . . . . . . . . . 175--176
                      Anonymous   Interesting Lecture by Professor Tyndall
                                  --- The Identity of Light and Radiant
                                  Heat . . . . . . . . . . . . . . . . . . 176--177
                      Anonymous   The New York Fire Alarm Telegraph  . . . 177--177
                      Anonymous   The Yale Exploring Expedition of 1871    177--177
                      Anonymous   Printing the Patent Drawings . . . . . . 177--177
                      Anonymous   Interior of a Greenhouse . . . . . . . . 178--178
                      Anonymous   Jones' Improved Projectile for Firearms  178--179
                      Anonymous   Millener's Extension Ladder  . . . . . . 179--179
                 John C. Draper   Magnesium in Marsh's Test for Arsenic    179--179
              William L. Walker   The Color of the Gulf Stream, and Its
                                  Excess of Solid Matter Accounted For . . 180--180
                      Anonymous   The Progress of Stellar Chemistry  . . . 181--182
                      Anonymous   Walsh's Water Wheel Governor . . . . . . 182--182
                      Anonymous   Chapman's Improved Saw Filing Machine    182--182
                      Anonymous   American Art Industry  . . . . . . . . . 183--183
                      Anonymous   Are Experimental Tests of Turbine Wheels
                                  Trustworthy? . . . . . . . . . . . . . . 183--183
                      Anonymous   Tunnelling under City Streets --- The
                                  Atmospheric Railway  . . . . . . . . . . 183--183
                      Anonymous   A Munchausen Comet . . . . . . . . . . . 183--183
                      Anonymous   The Common Law of Trademarks . . . . . . 183--184
                      Anonymous   Labor and Personal Cleanliness . . . . . 184--184
                      Anonymous   Measuring the Heat of Combustion . . . . 184--184
                      Anonymous   Scientific and Practical Information . . 184--185
                      Anonymous   Answers to Correspondents  . . . . . . . 185--186
                      Anonymous   Recent American and Foreign Patents  . . 186--187

Scientific American
Volume 26, Number 13, March 23, 1872

                      Anonymous   Books: New Books and Publications  . . . 192--192
                      Anonymous   Correspondence . . . . . . . . . . . . . 195--197
                      Anonymous   Business and Personal  . . . . . . . . . 200--200
                      Anonymous   Notes and Queries  . . . . . . . . . . . 200--200
                      Anonymous   Index of Inventions  . . . . . . . . . . 203--203
                      Anonymous   Collecting and Removing Scums from
                                  Boilers  . . . . . . . . . . . . . . . . 191--191
                      Anonymous   Bridge Over the Mississippi at Brainerd,
                                  Minn --- Northern Pacific Railway  . . . 191--191
                      Anonymous   A Navigable Balloon  . . . . . . . . . . 192--192
                      Anonymous   The Parkes Silver Extracting Process in
                                  Germany  . . . . . . . . . . . . . . . . 193--194
                      Anonymous   Rotary Engines . . . . . . . . . . . . . 194--194
                      Anonymous   Hallidie's Wire Rope Way for
                                  Transporting Ores  . . . . . . . . . . . 195--195
                 John C. Draper   Precipitation of Arsenic by Heat in
                                  Marsh's Test . . . . . . . . . . . . . . 195--195
                      Anonymous   Determination of High Degrees of Heat by
                                  the Melting of Ice . . . . . . . . . . . 195--195
                      Anonymous   Scientific and Practical Information . . 197--197
                      Anonymous   Beach's Spark Catcher and Consumer . . . 198--198
                      Anonymous   Himmer's Electric Battery  . . . . . . . 198--198
                      Anonymous   Ketchum's Pitman Connection  . . . . . . 198--198
                      Anonymous   The Electro Magnetic Telegraph . . . . . 199--199
                      Anonymous   The Problem of Flight  . . . . . . . . . 199--199
                      Anonymous   Light Versus Heavy Shafting  . . . . . . 199--200
                      Anonymous   Answers to Correspondents  . . . . . . . 200--201
                      Anonymous   Recent American and Foreign Patents  . . 201--203

Scientific American
Volume 26, Number 14, March 30, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 212--212
                      Anonymous   Books: New Books and Publications  . . . 216--216
                      Anonymous   Business and Personal  . . . . . . . . . 216--216
                      Anonymous   Notes and Queries  . . . . . . . . . . . 217--217
                      Anonymous   Index of Inventions  . . . . . . . . . . 219--219
                      Anonymous   Machine for Testing the Strength of
                                  Metals, Wire, Rope, Chain, Cast Iron
                                  Columns, Bridge Bolts, and Boiler
                                  Plates, Junction of the Black and
                                  Caspian Seas, and more . . . . . . . . . 207--207
                      Anonymous   Machine for Bending Printers' Leads and
                                  Rules  . . . . . . . . . . . . . . . . . 207--208
                      Anonymous   Gunmaking by Machinery . . . . . . . . . 208--208
                      Anonymous   State Reports  . . . . . . . . . . . . . 208--208
                      Anonymous   Terra Cotta  . . . . . . . . . . . . . . 209--210
                      Anonymous   Johnson's Renewable Tooth Comb . . . . . 210--210
                      Anonymous   Moustache Guard  . . . . . . . . . . . . 210--210
                 John C. Draper   The Quantitative Determination of
                                  Arsenic  . . . . . . . . . . . . . . . . 211--211
                      Anonymous   The Planet Jupiter . . . . . . . . . . . 211--211
                      Anonymous   Wright's Bottle Stopper  . . . . . . . . 211--211
                      Anonymous   Geological Report for New Jersey . . . . 212--213
                      Anonymous   Scientific and Practical Information . . 213--214
                      Anonymous   Melendy's Door Fastener  . . . . . . . . 214--214
                      Anonymous   Beach's Spiral Spring Scroll Sawing
                                  Machine  . . . . . . . . . . . . . . . . 214--214
                      Anonymous   The Relations of Art to Industry ---
                                  Museums of the Arts of Design  . . . . . 215--215
                      Anonymous   Making Organic Substances from their
                                  Inorganic Elements . . . . . . . . . . . 215--215
                      Anonymous   Mechanical Impossibilities . . . . . . . 215--215
                      Anonymous   Hydrogen the Vapor of the Metal Hydrium  215--216
                      Anonymous   Another Big Patent Job before Congress   216--216
                      Anonymous   Answer to Correspondents . . . . . . . . 217--218
                      Anonymous   Recent American and Foreign Patents  . . 218--219

Scientific American
Volume 26, Number 15, April 6, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 228--228
                      Anonymous   Business and Personal  . . . . . . . . . 232--231
                      Anonymous   Notes and Queries  . . . . . . . . . . . 233--233
                      Anonymous   Index of Inventions  . . . . . . . . . . 235--235
                      Anonymous   Books: New Books and Publications  . . . 236--236
                      Anonymous   Portable Spring Grist Mill, Price's
                                  Composition Pavement, and more . . . . . 223--224
                      Anonymous   The Tobacco Manufactories in Brooklyn    224--224
                      Anonymous   The Government Works at Hell Gate  . . . 224--226
                      Anonymous   Palmer's Stave Jointing Machine  . . . . 226--226
                    J. H. Leach   The Discovery and History of the
                                  Chromosphere . . . . . . . . . . . . . . 227--227
                      Anonymous   A Patent Office Curiosity, and a
                                  Specification in Rhyme . . . . . . . . . 227--227
                  E. S. Wicklin   Frictional Gearing . . . . . . . . . . . 227--228
                      Anonymous   Society of Arts of the Massachusetts
                                  Institute of Technology  . . . . . . . . 229--229
                      Anonymous   Valuable Photographic Improvement  . . . 229--229
                      Anonymous   The Holtz Electrical Machine . . . . . . 229--229
                      Anonymous   Scientific and Practical Information . . 229--229
                      Anonymous   Friction Gearing . . . . . . . . . . . . 229--230
                      Anonymous   Kehoe's Improved Striking Bag  . . . . . 230--230
                      Anonymous   Currier's Tea and Coffee Pot Stand . . . 230--230
                      Anonymous   African Diamonds --- an Invention Wanted 231--231
                      Anonymous   Small Pox --- Its Prevention --- The
                                  Treatment of Patients with Reference to
                                  the Protection of the Public . . . . . . 231--231
                      Anonymous   A Remarkable Telegraphic Improvement . . 231--231
                      Anonymous   Epidemics of Disease, Disaster, and
                                  Crime  . . . . . . . . . . . . . . . . . 231--232
                      Anonymous   The Present Status of Organic Chemistry  232--232
                      Anonymous   Answers to Correspondents  . . . . . . . 233--233
                      Anonymous   Recent American and Foreign Patents  . . 234--235

Scientific American
Volume 26, Number 16, April 13, 1872

                      Anonymous   Books: New Books and Publications  . . . 248--248
                      Anonymous   Business and Personal  . . . . . . . . . 249--249
                      Anonymous   Notes and Queries  . . . . . . . . . . . 249--249
                      Anonymous   Index of Inventions  . . . . . . . . . . 251--251
                      Anonymous   Improved Method of Propelling Canal
                                  boats  . . . . . . . . . . . . . . . . . 239--240
                      Anonymous   The Remington Works Ilion, N.Y.  . . . . 240--240
                      Anonymous   Diamond Cutting in New York  . . . . . . 241--242
                      Anonymous   The Baltimore Boiler Inspection Law  . . 242--242
                      Anonymous   Fastenings for Neck Ties, Scarfs, Etc.   242--242
                      Anonymous   Measuring the Velocity of Rotation . . . 242--242
                    J. H. Leach   The Discovery and History of the
                                  Chromosphere . . . . . . . . . . . . . . 243--243
                      Anonymous   Heard's Ventilating Hat  . . . . . . . . 243--243
                      Anonymous   Inextinguishable Signal Light  . . . . . 243--243
                      Anonymous   Combined Cast Iron and Wrought Iron Arch
                                  Girders  . . . . . . . . . . . . . . . . 243--244
                  E. S. Wicklin   Frictional Gearing . . . . . . . . . . . 244--244
                      Anonymous   Scientific and Practical Information . . 245--245
                      Anonymous   Umbrella Frames  . . . . . . . . . . . . 245--245
                      Anonymous   Proposed City Railroad . . . . . . . . . 246--246
                      Anonymous   The Great Sewing Machine Job before
                                  Congress . . . . . . . . . . . . . . . . 247--247
                      Anonymous   Sewing Machines and their Effect Upon
                                  Health . . . . . . . . . . . . . . . . . 247--247
                      Anonymous   Death of Samuel F. B. Morse  . . . . . . 247--248
                      Anonymous   Spiritualism Answered by Science . . . . 248--248
                      Anonymous   A Trades Union Tirade  . . . . . . . . . 248--248
                      Anonymous   Lightning Rods . . . . . . . . . . . . . 248--248
                      Anonymous   Answers to Correspondents  . . . . . . . 249--249
                      Anonymous   Recent American and Foreign Patents  . . 250--250

Scientific American
Volume 26, Number 17, April 20, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 260--262
                      Anonymous   Business and Personal  . . . . . . . . . 265--265
                      Anonymous   Notes and Queries  . . . . . . . . . . . 265--266
                      Anonymous   Books: New Books and Publications  . . . 267--267
                      Anonymous   Index of Inventions  . . . . . . . . . . 268--268
                      Anonymous   Endless Traveling or Railway Sidewalk,
                                  The Crystallization of Metals, and more  255--257
                      Anonymous   The Electro-Magnetic Telegraph . . . . . 257--257
                      Anonymous   Important Trade Mark Decision  . . . . . 257--257
                      Anonymous   Professor Morse  . . . . . . . . . . . . 258--258
                      Anonymous   Scientific and Practical Information . . 259--259
                      Anonymous   Clothes Line Reel  . . . . . . . . . . . 259--259
                  E. S. Wicklin   Frictional Gearing . . . . . . . . . . . 259--259
                      Anonymous   Measuring the Clearness of the Sky . . . 259--260
                      Anonymous   Gibbs' Whiffletree . . . . . . . . . . . 262--262
                      Anonymous   Winn's Shampooing Apparatus  . . . . . . 262--262
                      Anonymous   An Improved Grafting Tool  . . . . . . . 262--262
                      Anonymous   Drying by the Direct Application of
                                  Heat-Distillation  . . . . . . . . . . . 263--263
                      Anonymous   The Relation of Science to Religion  . . 263--263
                      Anonymous   Piston Rod Packing . . . . . . . . . . . 263--264
                      Anonymous   The Advance in the Price of Iron . . . . 264--264
                      Anonymous   Steam on the Erie Canal  . . . . . . . . 264--264
                      Anonymous   Beet Sugar in the United States  . . . . 264--265
                      Anonymous   Answers to Correspondents  . . . . . . . 266--266
                      Anonymous   Recent American and Foreign Patents  . . 266--267

Scientific American
Volume 26, Number 18, April 27, 1872

                      Anonymous   Business and Personal  . . . . . . . . . 280--281
                      Anonymous   Notes and Queries  . . . . . . . . . . . 281--281
                      Anonymous   Books: New Books and Publications  . . . 281--281
                      Anonymous   Index of Inventions  . . . . . . . . . . 283--283
                      Anonymous   Improved Brick Kiln  . . . . . . . . . . 271--272
                      Anonymous   On the Heating of Water and Boilers ---
                                  Curious Explosive Phenomena  . . . . . . 272--272
                      Anonymous   Carpets and Knitted Manufactures of
                                  Amsterdam, New York  . . . . . . . . . . 272--273
              Horatio N. Fraser   On Cotton Seeds  . . . . . . . . . . . . 273--275
                  E. S. Wioklin   Frictional Gearing . . . . . . . . . . . 275--275
                     Adolph Ott   Portland Cement  . . . . . . . . . . . . 276--276
                      Anonymous   Human Hair and Its Substitutes . . . . . 276--276
                      Anonymous   Belting and Pulleys  . . . . . . . . . . 277--278
                      Anonymous   Double Plows . . . . . . . . . . . . . . 279--279
                      Anonymous   The Utilization of Water in Its Relation
                                  to Public Health . . . . . . . . . . . . 279--279
                      Anonymous   The Air Filter . . . . . . . . . . . . . 279--279
                      Anonymous   Folding Chair, Lounge, and Bed . . . . . 280--280
                      Anonymous   Photographic Toilet and Hat Rack . . . . 280--280
                      Anonymous   On the Reasons Which Have Caused the
                                  Adoption of the New Atomic Weights . . . 280--280
                      Anonymous   Answers to Correspondents  . . . . . . . 281--281
                      Anonymous   Recent American and Foreign Patents  . . 282--283

Scientific American
Volume 26, Number 19, May 4, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 292--292
                      Anonymous   Business and Personal  . . . . . . . . . 297--297
                      Anonymous   Notes and Queries  . . . . . . . . . . . 297--298
                      Anonymous   Books: New Books and Publications  . . . 298--298
                      Anonymous   Index of Inventions  . . . . . . . . . . 300--300
                      Anonymous   Improved Punching and Drop Press, The
                                  Grain Elevators at Liverpool, and More   287--288
                 D. J. Macgowan   The Tallow Tree and its Uses . . . . . . 289--289
                      Anonymous   First Grand Industrial Exposition of
                                  Louisiana  . . . . . . . . . . . . . . . 290--290
                      Anonymous   Gardner's Fire Extinguisher  . . . . . . 291--291
                      Anonymous   Butter from California . . . . . . . . . 291--291
                      Anonymous   Patch's Corn Sheller . . . . . . . . . . 291--291
                      Anonymous   Society of Arts of the Massachusetts
                                  Institute of Technology  . . . . . . . . 292--293
                      Anonymous   Scientific and Practical Information . . 293--294
                      Anonymous   Drying Substances by Mechanical Action   295--295
                      Anonymous   The Congressional Sewing Machine Job . . 295--295
                      Anonymous   Progress of Astronomy --- The Variable
                                  Stars  . . . . . . . . . . . . . . . . . 295--296
                      Anonymous   Artesian Wells and Malarial Fevers . . . 296--296
                      Anonymous   A Suggestion to Inventors. --- Value of
                                  Patented Improvements upon Patented
                                  Inventions . . . . . . . . . . . . . . . 296--296
                      Anonymous   Cable Towing on the Erie Canal . . . . . 296--297
                      Anonymous   Answers to Correspondents  . . . . . . . 298--298
                      Anonymous   Recent American and Foreign Patents  . . 298--299

Scientific American
Volume 26, Number 20, May 11, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 308--308
                      Anonymous   Business and Personal  . . . . . . . . . 312--313
                      Anonymous   Notes and Queries  . . . . . . . . . . . 313--313
                      Anonymous   Index of Inventions  . . . . . . . . . . 315--315
                      Anonymous   Improved Steam Engine, Japanese Textile
                                  Art, and More  . . . . . . . . . . . . . 303--304
                      Anonymous   Birmingham Gun Makers' and Inventors'
                                  Club . . . . . . . . . . . . . . . . . . 304--306
                      Anonymous   Pocket Bootjack  . . . . . . . . . . . . 306--306
                      Anonymous   Gardener's Stool . . . . . . . . . . . . 306--307
                      Anonymous   Biscuit Manufacture  . . . . . . . . . . 309--310
                      Anonymous   Twitchell's Draft Regulator and Heat
                                  Economizer . . . . . . . . . . . . . . . 310--310
                      Anonymous   Compressed Air Locomotives . . . . . . . 310--310
                      Anonymous   Opening the Public Libraries on Sunday   311--311
                      Anonymous   Drying by Chemical Action  . . . . . . . 311--311
                      Anonymous   Fireproof Building --- The Lesson of
                                  Chicago  . . . . . . . . . . . . . . . . 311--312
                      Anonymous   Power Produced by Steam, under Different
                                  Temperatures and Pressures . . . . . . . 312--312
                      Anonymous   A Long Felt Want . . . . . . . . . . . . 312--312
                      Anonymous   Answers to Correspondents  . . . . . . . 313--313
                      Anonymous   Recent American and Foreign Patents  . . 313--315

Scientific American
Volume 26, Number 21, May 18, 1872

                      Anonymous   Business and Personal  . . . . . . . . . 329--329
                      Anonymous   Notes and Queries  . . . . . . . . . . . 330--330
                      Anonymous   Index of Inventions  . . . . . . . . . . 331--331
                      Anonymous   Books: New Books and Publications  . . . 332--332
                      Anonymous   Machine for Boarding Pebbling and
                                  Glossing Leather, Starting Flower Seeds  319--319
                      Anonymous   Steam Flying Ship  . . . . . . . . . . . 319--320
                      Anonymous   Patent Law Reform in England . . . . . . 320--322
                      Anonymous   Sweetzer's Blacking and Brush Holder . . 322--322
                      Anonymous   Whitus' Attachment for Bit Braces  . . . 322--322
                      Anonymous   Guano  . . . . . . . . . . . . . . . . . 323--324
                      Anonymous   Scientific and Practical Information . . 325--326
                      Anonymous   Our Obligations to the Arabian
                                  Alchemists . . . . . . . . . . . . . . . 327--327
                      Anonymous   Puddling Iron by Machinery --- an
                                  Important Improvement  . . . . . . . . . 327--327
                      Anonymous   Result of Illustrating a New Invention   327--328
                      Anonymous   On Atmospheric and Pneumatic Propulsion  328--328
                      Anonymous   Proposed Book on Patents . . . . . . . . 328--328
                      Anonymous   Supplement to this Week's Edition  . . . 328--329
                      Anonymous   Answers to Correspondents  . . . . . . . 330--330
                      Anonymous   Recent American and Foreign Patents  . . 330--331

Scientific American
Volume 26, Number 22, May 25, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 348--350
                      Anonymous   Business and Personal  . . . . . . . . . 353--353
                      Anonymous   Notes and Queries  . . . . . . . . . . . 354--354
                      Anonymous   Index of Inventions  . . . . . . . . . . 356--356
                      Anonymous   Books: New Books and Publications  . . . 356--356
                      Anonymous   Portable Drilling Machines, Bone Dust as
                                  a Fertilizer, and more . . . . . . . . . 343--344
                      Anonymous   Patent Infringement Cases  . . . . . . . 344--345
                      Anonymous   The Nebular Hypothesis . . . . . . . . . 345--345
                      Anonymous   City of London Library and Museum  . . . 346--347
                      Anonymous   Reservoir Palette  . . . . . . . . . . . 347--347
                      Anonymous   Electro Chemical Copying Press . . . . . 347--347
                      Anonymous   How to Conduct New Scientific
                                  Investigations . . . . . . . . . . . . . 351--351
                      Anonymous   Engineering in Brussels  . . . . . . . . 351--351
                      Anonymous   The Colorado Potato Beetle . . . . . . . 351--351
                      Anonymous   The Rubber Tip Patent Case . . . . . . . 351--351
                      Anonymous   Nature and Art . . . . . . . . . . . . . 352--352
                      Anonymous   Canadian Patents . . . . . . . . . . . . 352--352
                      Anonymous   East Indian Iron . . . . . . . . . . . . 352--352
                      Anonymous   Scientific and Practical Information . . 352--352
                      Anonymous   Improvement in Pumps . . . . . . . . . . 352--352
                      Anonymous   Builders' Hardware . . . . . . . . . . . 352--352
                      Anonymous   Timely Hints for Patent Office Examiners 353--353
                      Anonymous   Death of an Indian Nobleman  . . . . . . 353--353
                      Anonymous   Answers to Correspondents  . . . . . . . 354--354
                      Anonymous   Recent American and Foreign Patents  . . 354--355

Scientific American
Volume 26, Number 23, June 1, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 364--365
                      Anonymous   Books: New Books and Publications  . . . 369--369
                      Anonymous   Business and Personal  . . . . . . . . . 369--369
                      Anonymous   Notes and Queries  . . . . . . . . . . . 370--370
                      Anonymous   Index of Inventions  . . . . . . . . . . 372--372
                      Anonymous   Railroad Rail Straightener, The Effect
                                  of Cold on Iron  . . . . . . . . . . . . 359--359
                      Anonymous   Baillairge's Stereometrical Tableau  . . 359--360
                 F. J. Bramwell   Quick Steam Launches . . . . . . . . . . 360--360
                      Anonymous   Beetles  . . . . . . . . . . . . . . . . 361--362
                      Anonymous   Heat and Light . . . . . . . . . . . . . 363--364
                      Anonymous   The Steamship ``Egypt''  . . . . . . . . 364--364
                      Anonymous   The International Exhibition of 1872 . . 365--366
                      Anonymous   Bell Pull and Bell . . . . . . . . . . . 366--366
                      Anonymous   Projectile for Firearms  . . . . . . . . 366--366
                      Anonymous   A Few Words of Advice and Encouragement
                                  to Investigators and Inventors . . . . . 367--367
                      Anonymous   The Great Musical Jubilee  . . . . . . . 367--367
                      Anonymous   A Gigantic Railway Car . . . . . . . . . 367--367
                      Anonymous   Tin Foil --- Its Uses and Manufacture    367--367
                      Anonymous   The Industrial Progress and Requirements
                                  of New South Wales . . . . . . . . . . . 368--368
                      Anonymous   Scientific and Practical Information . . 368--368
                      Anonymous   The Reception of the Mining Engineers at
                                  the Stevens Institute  . . . . . . . . . 368--368
                      Anonymous   Patent Infringement Cases  . . . . . . . 369--369
                      Anonymous   Answers to Correspondents  . . . . . . . 370--370
                      Anonymous   Recent American and Foreign Patents  . . 370--371

Scientific American
Volume 26, Number 24, June 8, 1872

                      Anonymous   Notes and Queries  . . . . . . . . . . . 385--386
                      Anonymous   Business and Personal  . . . . . . . . . 386--386
                      Anonymous   Books: New Books and Publications  . . . 388--388
                      Anonymous   Suspension Truss Bridge, Powdered Coal
                                  for Unhealthy Plants, and more . . . . . 375--375
                      Anonymous   Self-Lubricating Box and Shaft Bearing   375--376
                      Anonymous   Alloys for Bells, Gongs, Cymbals, Etc.   377--377
                      Anonymous   Heat and Light . . . . . . . . . . . . . 378--379
                      Anonymous   Improved Puddling Tool . . . . . . . . . 379--381
                      Anonymous   Mill Step  . . . . . . . . . . . . . . . 382--382
                      Anonymous   Riveting Device  . . . . . . . . . . . . 382--382
                      Anonymous   Strengthening Emery Wheels . . . . . . . 382--382
                      Anonymous   Peart's Patent Pit Car Wheel . . . . . . 382--382
                      Anonymous   Discharging Coal . . . . . . . . . . . . 382--382
                      Anonymous   Steam Propulsion on Canals . . . . . . . 382--382
                      Anonymous   Eight Hours' Work and Ten Hours' Pay . . 383--383
                      Anonymous   Information on Gum Copal . . . . . . . . 383--383
                      Anonymous   The United States Senate on Compensation
                                  to Inventors . . . . . . . . . . . . . . 383--384
                      Anonymous   The Sewing Machine Ring in a New Role    384--384
                      Anonymous   Screw Elevators  . . . . . . . . . . . . 384--385
                      Anonymous   Answers to Correspondents  . . . . . . . 386--386
                      Anonymous   Recent American and Foreign Patents  . . 387--387

Scientific American
Volume 26, Number 25, June 15, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 396--396
                      Anonymous   Business and Personal  . . . . . . . . . 401--401
                      Anonymous   Notes and Queries  . . . . . . . . . . . 401--401
                      Anonymous   Index of Inventions  . . . . . . . . . . 403--404
                      Anonymous   Improved Coffee and Grain Dryer, Solvent
                                  for Coralline  . . . . . . . . . . . . . 391--391
                      Anonymous   Guardiola's Pestle for Hulling Coffee,
                                  Rice, Etc. . . . . . . . . . . . . . . . 391--392
                      Anonymous   From the Atlantic to the Pacific . . . . 392--393
                      Anonymous   Gunpowder Pressure Gages . . . . . . . . 394--394
                      Anonymous   On Ice, Water, Vapor, and Air  . . . . . 394--395
                      Anonymous   New Device for Railway Signals . . . . . 395--395
                      Anonymous   Vertical Balance Galvanometer  . . . . . 395--396
                      Anonymous   Corks and Cork Cutting . . . . . . . . . 397--397
                      Anonymous   The New Railroad Bridge at Albany  . . . 397--398
                      Anonymous   Bunker's Metal Cutter  . . . . . . . . . 398--398
                      Anonymous   Durand's Burette . . . . . . . . . . . . 398--398
                      Anonymous   Dynamic Refrigerator . . . . . . . . . . 398--398
                      Anonymous   Meteorites, their Origin . . . . . . . . 399--399
                      Anonymous   The Eight Hour Strike in New York  . . . 399--399
                      Anonymous   The Pneumatic Railway Brake and other
                                  Applications of the Pneumatic System . . 399--399
                      Anonymous   Iron Ship Building in Wilmington . . . . 399--400
                      Anonymous   How Paper Collars are Made . . . . . . . 400--400
                      Anonymous   American Inventions in Europe  . . . . . 400--400
                      Anonymous   The Sign Boards of New York  . . . . . . 400--400
                      Anonymous   Death of James Gordon Bennett  . . . . . 400--400
                      Anonymous   Scientific and Practical Information . . 401--401
                      Anonymous   Answers to Correspondents  . . . . . . . 401--402
                      Anonymous   Recent American and Foreign Patents  . . 402--402

Scientific American
Volume 26, Number 26, June 22, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 412--413
                      Anonymous   Notes and Queries  . . . . . . . . . . . 416--416
                      Anonymous   Business and Personal  . . . . . . . . . 416--416
                      Anonymous   Index of Inventions  . . . . . . . . . . 417--417
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 417--417
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 418--420
                      Anonymous   Air Spring Printing Press  . . . . . . . 407--407
                      Anonymous   Novel Mode of Sawing Wood Without a Saw  407--408
                      Anonymous   The Kaolin of the United States  . . . . 408--408
                      Anonymous   Portable Frescoes  . . . . . . . . . . . 409--409
                      Anonymous   Cincinnati Exposition  . . . . . . . . . 409--409
                      Anonymous   The Unit Measure of Electrical
                                  Resistance . . . . . . . . . . . . . . . 409--409
                      Anonymous   New Magneto-Electric Machine . . . . . . 410--410
                      Anonymous   Safety Kerosene Lamp . . . . . . . . . . 410--410
                      Anonymous   Pencil Leads . . . . . . . . . . . . . . 410--411
        John Hall Gladstone and   
                   F. R. S. and   
                        F. C. S   Crystallization of Silver, Gold, and
                                  other Metals . . . . . . . . . . . . . . 411--412
                      Anonymous   The New State Capitol at Albany, N.Y.    413--414
                      Anonymous   A New Patent Law in Canada . . . . . . . 415--415
                      Anonymous   Progress of the Eight Hour Strike  . . . 415--415
                      Anonymous   Weight, Pressure, Force, Power, Work . . 415--415
                      Anonymous   Rubber Graphite Paint  . . . . . . . . . 415--416
                      Anonymous   Recent American and Foreign Patents  . . 416--416
                      Anonymous   New Patent Law in Canada . . . . . . . . 416--416


Scientific American
Volume 27, Number 1, July 6, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 4--4
                      Anonymous   Business and Personal  . . . . . . . . . 9--9
                      Anonymous   Notes and Queries  . . . . . . . . . . . 10--10
                      Anonymous   Improved Steam Heater  . . . . . . . . . 1--1
                      Anonymous   Shive's Watchman's Clock . . . . . . . . 1--1
                      Anonymous   Locomotive Boiler Explosion  . . . . . . 2--2
                      Anonymous   The Ducking Stool  . . . . . . . . . . . 2--3
                      Anonymous   On the Measurement of Musical Intervals  3--3
                      Anonymous   Horse Hair . . . . . . . . . . . . . . . 4--4
                      Anonymous   Nitrous Oxide or Laughing Gas  . . . . . 5--5
                      Anonymous   Berryman's Feed Water Heater . . . . . . 6--6
                      Anonymous   Ice Preserver  . . . . . . . . . . . . . 6--6
                      Anonymous   Weight, Pressure, Force, Power, Energy,
                                  Work . . . . . . . . . . . . . . . . . . 7--7
                      Anonymous   Progress of the Eight Hour Strike  . . . 7--8
                      Anonymous   Postal Reform  . . . . . . . . . . . . . 8--8
                      Anonymous   The Tariff and Tax Reductions  . . . . . 8--8
                      Anonymous   Rapid Transit in New York  . . . . . . . 8--8
                      Anonymous   A Machine that Talks . . . . . . . . . . 8--9
                      Anonymous   Scientific and Practical Information . . 9--9
                      Anonymous   Grant and Wilson . . . . . . . . . . . . 10--10
                      Anonymous   Answers to Correspondents  . . . . . . . 10--10
                      Anonymous   New Patent Law in Canada . . . . . . . . 10--10
                      Anonymous   Recent American and Foreign Patents  . . 10--11

Scientific American
Volume 27, Number 2, July 13, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 20--20
                      Anonymous   Business and Personal  . . . . . . . . . 25--25
                      Anonymous   Notes and Queries  . . . . . . . . . . . 26--26
                      Anonymous   Index of Inventions  . . . . . . . . . . 28--28
                      Anonymous   Books: New Books and Publications  . . . 28--28
                      Anonymous   Improved Canal Boat  . . . . . . . . . . 15--16
                      Anonymous   Papier Mache for Interior Decoration . . 16--16
                      Anonymous   Crackers and their Manufacture . . . . . 16--16
                      Anonymous   The Progress of Fish Culture in New York 17--17
                      Anonymous   The Mosquito Illustrated . . . . . . . . 18--20
                      Anonymous   Something about Pipes  . . . . . . . . . 20--21
                      Anonymous   The English Building Trade Lock-Out  . . 21--21
                      Anonymous   Improved Ellipsograph  . . . . . . . . . 22--22
                      Anonymous   Corn Husker and Picker . . . . . . . . . 22--22
                      Anonymous   Combined Flask and Whisk . . . . . . . . 22--22
                      Anonymous   A Plea for Common Sense  . . . . . . . . 23--23
                      Anonymous   Letters from Professor Thurston  . . . . 23--23
                      Anonymous   Progress of the Eight Hour Strike in New
                                  York . . . . . . . . . . . . . . . . . . 23--24
                      Anonymous   The East River Bridge  . . . . . . . . . 24--24
                      Anonymous   Letter from Professor R. H. Thurston . . 24--24
                      Anonymous   Design Patents to Foreigners . . . . . . 24--25
                      Anonymous   The Newark Industrial Exhibition . . . . 25--25
                      Anonymous   New Patent Law in Canada . . . . . . . . 25--25
                      Anonymous   Answer to Correspondents . . . . . . . . 26--26
                      Anonymous   Recent American and Foreign Patents  . . 26--27

Scientific American
Volume 27, Number 3, July 20, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 36--36
                      Anonymous   Business and Personal  . . . . . . . . . 41--41
                      Anonymous   Notes and Queries  . . . . . . . . . . . 41--41
                      Anonymous   Index of Inventions  . . . . . . . . . . 43--44
                      Anonymous   Machine for Bunching, Wiring, and
                                  Inserting Bristles in Brush Backs  . . . 31--32
                      Anonymous   Smell  . . . . . . . . . . . . . . . . . 32--33
                      Anonymous   Phenomena Associated with a Hydrogen
                                  Flame  . . . . . . . . . . . . . . . . . 33--33
                      Anonymous   Cincinnati . . . . . . . . . . . . . . . 34--34
                      Anonymous   Carriage Wheel . . . . . . . . . . . . . 35--35
                      Anonymous   Brick and Mortar Elevator and
                                  Distributor  . . . . . . . . . . . . . . 35--35
                      Anonymous   The Gatling Gun Does History Repeat
                                  Itself?  . . . . . . . . . . . . . . . . 36--36
                      Anonymous   Pressure on Foundations  . . . . . . . . 37--37
                      Anonymous   Railroad Car Brake . . . . . . . . . . . 38--38
                      Anonymous   Railroad Rail  . . . . . . . . . . . . . 38--38
                      Anonymous   The Domestic Telegraph . . . . . . . . . 39--39
                      Anonymous   Summer Heats in Various Countries  . . . 39--39
                      Anonymous   The New Patent Law of Canada . . . . . . 39--40
                      Anonymous   Letter from Professor R. H. Thurston . . 40--41
                      Anonymous   Answers to Correspondents  . . . . . . . 41--41
                      Anonymous   Recent American and Foreign Patents  . . 41--42

Scientific American
Volume 27, Number 4, July 27, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 52--52
                      Anonymous   Business and Personal  . . . . . . . . . 57--57
                      Anonymous   Notes and Queries  . . . . . . . . . . . 58--58
                      Anonymous   Books: New Books and Publications  . . . 59--59
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   The Prall Automatic Steam Vacuum Pump    47--48
                      Anonymous   The Hands of the Nation  . . . . . . . . 48--48
                      Anonymous   Lightning Rods . . . . . . . . . . . . . 49--49
                      Anonymous   New Steam Dredging Boats . . . . . . . . 50--51
                      Anonymous   Improved Bung  . . . . . . . . . . . . . 51--51
                      Anonymous   A Bridle Bit that is Something More, and
                                  an Improved Stocking for Horses  . . . . 51--51
                      Anonymous   Armored Can  . . . . . . . . . . . . . . 51--51
                      Anonymous   Saving of Time --- A Serious Charge
                                  against the \booktitleScientific
                                  American . . . . . . . . . . . . . . . . 52--53
                      Anonymous   Scientific and Practical Information . . 53--53
                      Anonymous   Sewing Machine . . . . . . . . . . . . . 54--54
                      Anonymous   Hose Coupling  . . . . . . . . . . . . . 54--54
                      Anonymous   The Two Oceans . . . . . . . . . . . . . 55--55
                      Anonymous   Narrow and Cheap Railways  . . . . . . . 55--55
                      Anonymous   Oxyhydrogen Street Lamps . . . . . . . . 55--56
                      Anonymous   End of the Eight Hour Strike . . . . . . 56--56
                      Anonymous   Paper Hangings and their Manufacture . . 56--56
                      Anonymous   Solid Emery Grinder  . . . . . . . . . . 56--57
                      Anonymous   The Nature of Comets . . . . . . . . . . 57--57
                      Anonymous   Answers to Correspondents  . . . . . . . 58--58
                      Anonymous   Recent American and Foreign Patents  . . 58--59
                      Anonymous   New Patent Law in Canada . . . . . . . . 60--60

Scientific American
Volume 27, Number 5, August 3, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 68--68
                      Anonymous   Business and Personal  . . . . . . . . . 73--73
                      Anonymous   Notes and Queries  . . . . . . . . . . . 73--74
                      Anonymous   Index of Inventions  . . . . . . . . . . 76--76
                      Anonymous   Books: New Books and Publications  . . . 76--76
                      Anonymous   Improved Form of Coal Railroad . . . . . 63--63
                      Anonymous   Doane's Improved Canal Construction  . . 63--63
                      Anonymous   Domestic Motors  . . . . . . . . . . . . 64--65
                      Anonymous   Combined Gin House, Horse Power, and
                                  Cotton Press . . . . . . . . . . . . . . 66--66
                    C. V. Riley   The Natural History of the Curculio  . . 67--67
                      Anonymous   Recipes and Experiments  . . . . . . . . 68--69
                      Anonymous   Mastersun's Canadian Turbine . . . . . . 70--70
                      Anonymous   Reversible Water Filter  . . . . . . . . 70--70
                      Anonymous   Changes of Climate . . . . . . . . . . . 71--71
                      Anonymous   The \em Chironectes Pictus . . . . . . . 71--71
                      Anonymous   Drawings of the Patents  . . . . . . . . 71--71
                      Anonymous   A Decision by the Commissioner of
                                  Patents  . . . . . . . . . . . . . . . . 71--71
                      Anonymous   Aids to Ventilation  . . . . . . . . . . 71--71
                      Anonymous   Testing Armored Turrets --- A Remarkable
                                  Experiment . . . . . . . . . . . . . . . 71--72
                      Anonymous   The Decrease of our Fish Supply  . . . . 72--72
                      Anonymous   Letter from Professor R. H. Thurston . . 72--72
                      Anonymous   Cheap Railways . . . . . . . . . . . . . 72--72
                      Anonymous   Scientific and Practical Information . . 73--73
                      Anonymous   Answers to Correspondents  . . . . . . . 74--74
                      Anonymous   Recent American and Foreign Patents  . . 74--75
                      Anonymous   New Patent Law in Canada . . . . . . . . 76--76

Scientific American
Volume 27, Number 6, August 10, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 84--85
                      Anonymous   Business and Personal  . . . . . . . . . 89--90
                      Anonymous   Notes and Queries  . . . . . . . . . . . 90--90
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--92
                      Anonymous   Books: New Books and Publications  . . . 92--92
                      Anonymous   The Type Writer  . . . . . . . . . . . . 79--79
                      Anonymous   Glacial Action in South America  . . . . 80--80
                      Anonymous   The Annual August Shower of Meteors  . . 81--81
                      Anonymous   Improved Seed Cleaner for Thrashers  . . 82--82
                      Anonymous   A Musical Barometer  . . . . . . . . . . 82--82
                      Anonymous   Postage Stamp Holder . . . . . . . . . . 82--82
                      Anonymous   The Patent Office Gazette  . . . . . . . 82--82
                      Anonymous   Automatic Fan  . . . . . . . . . . . . . 82--82
                      Anonymous   The British Monitor ``Glatton''  . . . . 83--83
                      Anonymous   Improved Sheet Iron Roofing  . . . . . . 86--86
                      Anonymous   Rotary Pressure Blower . . . . . . . . . 86--86
                      Anonymous   Cosmical Causes of Changes of Climate    87--87
                      Anonymous   The New Manhattan Market . . . . . . . . 87--87
                      Anonymous   Spontaneous Combustion . . . . . . . . . 87--87
                      Anonymous   Canal Boat Towing by Road Steamers . . . 87--87
                      Anonymous   Look out for the Meteors . . . . . . . . 87--87
                      Anonymous   Because I Am So Lazy . . . . . . . . . . 87--88
                      Anonymous   Steamship Notes  . . . . . . . . . . . . 88--88
                      Anonymous   Bright's Disease . . . . . . . . . . . . 88--88
                      Anonymous   The Black Rock Bridge over the Niagara
                                  River  . . . . . . . . . . . . . . . . . 88--88
                      Anonymous   The Amanians . . . . . . . . . . . . . . 88--88
                      Anonymous   Letter from Professor R. H. Thurston . . 88--89
                      Anonymous   Scientific and Practical Information . . 89--89
                      Anonymous   Answer to Correspondents . . . . . . . . 90--90
                      Anonymous   Recent American and Foreign Patents  . . 90--91
                      Anonymous   New Patent Law in Canada . . . . . . . . 92--92

Scientific American
Volume 27, Number 7, August 17, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 100--100
                      Anonymous   Business and Personal  . . . . . . . . . 105--106
                      Anonymous   Notes and Queries  . . . . . . . . . . . 106--106
                      Anonymous   Books: New Books and Publications  . . . 107--107
                      Anonymous   Index of Inventions  . . . . . . . . . . 108--108
                      Anonymous   Ether Ice Machine  . . . . . . . . . . . 95--95
                      Anonymous   How Kerosene Oil is Made . . . . . . . . 96--96
                      Anonymous   Strychnia and Hemlock  . . . . . . . . . 97--97
                      Anonymous   Silkworms  . . . . . . . . . . . . . . . 98--98
                      Anonymous   The Manora Breakwater  . . . . . . . . . 99--99
                      Anonymous   Notes of English Science . . . . . . . . 100--101
                      Anonymous   Improved Railway System  . . . . . . . . 102--102
                      Anonymous   Improved Repeating Rifle . . . . . . . . 102--102
                      Anonymous   The Appreciation of Knowledge  . . . . . 103--103
                      Anonymous   Protection from Lightning  . . . . . . . 103--103
                      Anonymous   A Petroleum Fire . . . . . . . . . . . . 103--103
                      Anonymous   A Railway Accident Explained . . . . . . 103--103
                      Anonymous   The International Prison Congress  . . . 103--104
                      Anonymous   Newspaper Benevolence  . . . . . . . . . 104--104
                      Anonymous   Wave Power Propellers  . . . . . . . . . 104--104
                      Anonymous   Water Vapor not Vesicular  . . . . . . . 104--104
                      Anonymous   Inclined Railway in San Francisco  . . . 104--104
                      Anonymous   Letter from Professor R. H. Thurston . . 104--105
                      Anonymous   Slicing Apples . . . . . . . . . . . . . 105--105
                      Anonymous   Recipes and Experiments  . . . . . . . . 105--105
                      Anonymous   Answers to Correspondents  . . . . . . . 106--106
                      Anonymous   Recent American and Foreign Patents  . . 106--107
                      Anonymous   New Patent Law in Canada . . . . . . . . 107--107

Scientific American
Volume 27, Number 8, August 24, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 116--117
                      Anonymous   Business and Personal  . . . . . . . . . 122--122
                      Anonymous   Notes and Queries  . . . . . . . . . . . 122--122
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--124
                      Anonymous   Books: New Books and Publications  . . . 124--124
                      Anonymous   Improved Sugar Evaporating Apparatus . . 111--112
                      Anonymous   How Felt Hats Are Made . . . . . . . . . 113--113
                      Anonymous   Adulteration of Chemicals  . . . . . . . 113--113
                      Anonymous   Direct-Acting Steam Engine . . . . . . . 114--114
                      Anonymous   Blacksmith's Butteris  . . . . . . . . . 114--114
                      Anonymous   The New Water Front, New York City . . . 116--116
                      Anonymous   Fireless Locomotive  . . . . . . . . . . 118--118
                      Anonymous   Sash Coupling Machine  . . . . . . . . . 118--118
                      Anonymous   The American Association for the
                                  Advancement of Science . . . . . . . . . 119--119
                      Anonymous   Canadian Patents . . . . . . . . . . . . 119--119
                      Anonymous   The Aurora . . . . . . . . . . . . . . . 119--120
                      Anonymous   Country Churchyards  . . . . . . . . . . 120--120
                      Anonymous   Influence of Variously Colored Light
                                  Animal and Vegetable Growth  . . . . . . 120--120
                      Anonymous   Plaster Casts  . . . . . . . . . . . . . 120--120
                      Anonymous   Letter from Professor R. H. Thurston . . 121--121
                      Anonymous   Miscellaneous Items  . . . . . . . . . . 121--121
                      Anonymous   Answers to Correspondents  . . . . . . . 122--122
                      Anonymous   Recent American and Foreign Patents  . . 122--123
                      Anonymous   New Patent Law in Canada . . . . . . . . 124--124

Scientific American
Volume 27, Number 9, August 31, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 131--133
                      Anonymous   Books: New Books and Publications  . . . 137--137
                      Anonymous   Business and Personal  . . . . . . . . . 138--138
                      Anonymous   Notes and Queries  . . . . . . . . . . . 138--138
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   Improved Napping Machine . . . . . . . . 127--128
                      Anonymous   Recipes and Experiments  . . . . . . . . 129--129
                      Anonymous   Mold Fob Casting and Chilling Sleigh
                                  Shoes  . . . . . . . . . . . . . . . . . 130--130
                      Anonymous   How to Make a Cheap Hydrogen Lamp  . . . 130--130
                      Anonymous   Law's Shuttle Binder . . . . . . . . . . 130--131
                      Anonymous   Manufacture of Pins  . . . . . . . . . . 133--133
                      Anonymous   Spring Power for Sewing Machines . . . . 134--134
                      Anonymous   Goodridge's Automatic Lamp Extinguisher  134--134
                      Anonymous   Terrestrial Magnetism  . . . . . . . . . 135--135
                      Anonymous   The International Exposition at Vienna,
                                  1873 . . . . . . . . . . . . . . . . . . 135--135
                      Anonymous   Tunnel under the Harlem River, New York  135--135
                      Anonymous   William Bridges Adams  . . . . . . . . . 135--135
                      Anonymous   Security against Thieves . . . . . . . . 135--135
                      Anonymous   The International Statistical Congress   135--136
                      Anonymous   A New Canal Steamer  . . . . . . . . . . 136--136
                      Anonymous   The New Railways across the Continent    136--136
                      Anonymous   Improvements that are much Needed  . . . 136--136
                      Anonymous   A New Suspension Bridge  . . . . . . . . 136--136
                      Anonymous   The Electrical Railway Alarm . . . . . . 136--136
                      Anonymous   Old and New Steam Engines  . . . . . . . 136--136
                      Anonymous   The Coolest Place in New York  . . . . . 136--136
                      Anonymous   Promotions at the Patent Office  . . . . 136--136
                      Anonymous   Diamonds in Arizona  . . . . . . . . . . 136--136
                      Anonymous   Why It Has Been So Hot . . . . . . . . . 136--136
                      Anonymous   The Meteors of August Tenth  . . . . . . 136--136
                      Anonymous   Scientific and Practical Information . . 137--137
                      Anonymous   Letter from Professor R. H. Thurston . . 137--137
                      Anonymous   Answers to Correspondents  . . . . . . . 138--138
                      Anonymous   Recent American and Foreign Patents  . . 139--139
                      Anonymous   New Patent Law in Canada . . . . . . . . 140--140

Scientific American
Volume 27, Number 10, September 7, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 148--148
                      Anonymous   Notes and Queries  . . . . . . . . . . . 153--153
                      Anonymous   Business and Personal  . . . . . . . . . 154--154
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--156
                      Anonymous   Books: New Books and Publications  . . . 156--156
                      Anonymous   Spool Blank Roughing Machine . . . . . . 143--143
                      Anonymous   Combined Hand and Foot Circular Sawing
                                  Machine  . . . . . . . . . . . . . . . . 143--143
                      Anonymous   How Axes are Made  . . . . . . . . . . . 144--144
                      Anonymous   The Car Shops of West Albany . . . . . . 144--144
                      Anonymous   The Advantages of Scientific Education   145--146
                      Anonymous   Detection of Impurities in Milk  . . . . 146--146
                      Anonymous   Handles for Barrels and Boxes  . . . . . 146--146
                      Anonymous   Bed Bottom . . . . . . . . . . . . . . . 147--147
                      Anonymous   Giffard's Universal Piston . . . . . . . 147--147
                      Anonymous   American Horses  . . . . . . . . . . . . 147--147
                      Anonymous   Miscellaneous Items  . . . . . . . . . . 148--149
                      Anonymous   Fancy Weaving Loom . . . . . . . . . . . 150--150
                      Anonymous   Griswold's Dental Plugging Instrument    150--150
                      Anonymous   Science and Theology . . . . . . . . . . 151--151
                      Anonymous   Progress of American Industry ---
                                  Inauguration of Five Grand Industrial
                                  Expositions  . . . . . . . . . . . . . . 151--151
                      Anonymous   Progress of the New Docks in this City.
                                  --- Artificial Stone Blocks Weighing
                                  Seventy-Nine Tuns  . . . . . . . . . . . 151--151
                      Anonymous   Iridescent Engravings  . . . . . . . . . 151--152
                      Anonymous   The Lake Superior Copper Regions . . . . 152--152
                      Anonymous   Remarkable Thunderstorms . . . . . . . . 152--152
                      Anonymous   Manufacture of Vinegar . . . . . . . . . 152--152
                      Anonymous   Scientific and Practical Information . . 152--152
                      Anonymous   Letter from Professor R. H. Thurston . . 153--153
                      Anonymous   Answers to Correspondents  . . . . . . . 154--154
                      Anonymous   Recent American and Foreign Patents  . . 154--155
                      Anonymous   Practical Hints to Inventors . . . . . . 155--155
                      Anonymous   Foreign Patents --- A Hint to Patentees  156--156
                      Anonymous   New Patent Law in Canada . . . . . . . . 156--156

Scientific American
Volume 27, Number 11, September 14, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 164--165
                      Anonymous   Business and Personal  . . . . . . . . . 169--170
                      Anonymous   Notes and Queries  . . . . . . . . . . . 170--170
                      Anonymous   Index of Inventions  . . . . . . . . . . 171--172
                      Anonymous   Books: New Books and Publications  . . . 172--172
                      Anonymous   Improved Steam Trap  . . . . . . . . . . 159--159
                      Anonymous   Writing Fluids . . . . . . . . . . . . . 160--161
                      Anonymous   Double Turbine Water Wheel . . . . . . . 162--162
                      Anonymous   Adjustable Plow  . . . . . . . . . . . . 162--162
                      Anonymous   The Carpenter Bee  . . . . . . . . . . . 163--163
                      Anonymous   Simple Apparatus for Out-Door Sketching  163--163
                      Anonymous   Paper Boats --- How Made . . . . . . . . 163--163
                      Anonymous   Improved Shops . . . . . . . . . . . . . 163--163
                      Anonymous   Scientific and Practical Information . . 165--165
                      Anonymous   Albany Steam Trap  . . . . . . . . . . . 166--166
                      Anonymous   Railway Rail Joint . . . . . . . . . . . 166--166
                      Anonymous   Terrestrial Magnetism  . . . . . . . . . 167--167
                      Anonymous   Substances Acting Mechanically to
                                  Prevent the formation of Scale in
                                  Boilers  . . . . . . . . . . . . . . . . 167--167
                      Anonymous   The Star Sirius  . . . . . . . . . . . . 167--168
                      Anonymous   Renewed Activity at the Patent Officer
                                  --- Re Organization and New
                                  Classification. --- Appointment and
                                  Promotions . . . . . . . . . . . . . . . 168--168
                      Anonymous   An Astronomical Robbery  . . . . . . . . 168--168
                      Anonymous   The Newark Industrial Exposition . . . . 168--168
                      Anonymous   Letter from Professor R. H. Thurston . . 168--169
                      Anonymous   Answers to Correspondents  . . . . . . . 170--170
                      Anonymous   Recent American and Foreign Patents  . . 170--171
                      Anonymous   Foreign Patents --- A Hint to Patentees  172--172
                      Anonymous   New Patent Law in Canada . . . . . . . . 172--172

Scientific American
Volume 27, Number 12, September 21, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 180--181
                      Anonymous   Business and Personal  . . . . . . . . . 185--185
                      Anonymous   Notes and Queries  . . . . . . . . . . . 185--185
                      Anonymous   Index of Inventions  . . . . . . . . . . 187--188
                      Anonymous   Molecular Motion the Fundamental Problem
                                  of Nature  . . . . . . . . . . . . . . . 175--175
                      Anonymous   Patent Punching and Shearing Machine . . 175--176
                      Anonymous   A List of Velocities . . . . . . . . . . 177--177
                      Anonymous   Improved Flush Strap Hinge . . . . . . . 178--178
                      Anonymous   Gold Pen Making  . . . . . . . . . . . . 178--178
                      Anonymous   Glasgow University Buildings . . . . . . 179--179
                      Anonymous   Photographic Hints . . . . . . . . . . . 179--179
                      Anonymous   Knitted Goods and Their Manufacture  . . 181--181
                      Anonymous   Scientific and Practical Information . . 181--181
                      Anonymous   Improved Road or Farm Gate . . . . . . . 182--182
                      Anonymous   Grosvenor's Self-Lubricating Loose
                                  Pulley . . . . . . . . . . . . . . . . . 182--182
                      Anonymous   Wheel and Roller Sash Catch  . . . . . . 182--182
                      Anonymous   Serious Marine Disasters --- Improved
                                  Safety Appliances Greatly Needed . . . . 183--183
                      Anonymous   Car Coupling Dangers . . . . . . . . . . 183--183
                      Anonymous   An Auction Sale of Models at the Patent
                                  Office . . . . . . . . . . . . . . . . . 183--183
                      Anonymous   The Cincinnati Industrial Exposition . . 183--183
                      Anonymous   Meeting of the British Association. ---
                                  Address by a New York Herald Reporter.
                                  --- Livingstone in Africa  . . . . . . . 183--184
                      Anonymous   The Opening of the American Institute
                                  Fair . . . . . . . . . . . . . . . . . . 184--184
                      Anonymous   The American Association for the
                                  Advancement of Science . . . . . . . . . 184--184
                      Anonymous   Table of Velocities  . . . . . . . . . . 184--185
                      Anonymous   Extension of Patents. Value of the
                                  Invention  . . . . . . . . . . . . . . . 185--185
                      Anonymous   Answers to Correspondents  . . . . . . . 185--185
                      Anonymous   Recent American and Foreign Patents  . . 186--187
                      Anonymous   New Patent Law in Canada . . . . . . . . 187--187
                      Anonymous   Foreign Patents --- A Hint to Patentees  187--187
                      Anonymous   Practical Hints to Inventors . . . . . . 187--187

Scientific American
Volume 27, Number 13, September 28, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 196--196
                      Anonymous   Business and Personal  . . . . . . . . . 202--202
                      Anonymous   Notes and Queries  . . . . . . . . . . . 202--202
                      Anonymous   Index of Inventions  . . . . . . . . . . 203--203
                      Anonymous   Books: New Books and Publications  . . . 204--204
                      Anonymous   Combined Regulator and Alarm . . . . . . 191--191
                      Anonymous   The Manufacture of Olive Oil in
                                  California . . . . . . . . . . . . . . . 192--192
                      Anonymous   Iron as a Material of Construction . . . 192--193
                      Anonymous   The Pneumatic Despatch . . . . . . . . . 193--193
                      Anonymous   The Cuban Sugar Manufacture --- Modern
                                  Machinery  . . . . . . . . . . . . . . . 195--195
                      Anonymous   The Sand Blast Process for Cutting Hard
                                  Substances, Engraving on Glass, Etc. . . 195--195
                      Anonymous   Improvement in Harness Breast Straps . . 195--195
            George W. Rains and   
                      Professor   Portable Medical Batteries . . . . . . . 196--197
                      Anonymous   Coffee Hulling and Polishing Machine . . 198--198
                      Anonymous   Improved Steam Boiler  . . . . . . . . . 198--198
                      Anonymous   Binary Vapor Engines . . . . . . . . . . 199--199
                      Anonymous   Another Great Engineering Work . . . . . 199--199
                      Anonymous   Fast Canal Steaming  . . . . . . . . . . 199--199
                      Anonymous   The Causes of Extraordinary Conditions
                                  of Weather . . . . . . . . . . . . . . . 199--199
                      Anonymous   The Government Examination of Breech
                                  Loading Arms . . . . . . . . . . . . . . 199--199
                      Anonymous   Who Is Dr. Vander Weyde? . . . . . . . . 200--200
                      Anonymous   Chemical Means of Preventing Scale in
                                  Boilers  . . . . . . . . . . . . . . . . 200--200
                      Anonymous   The Marriage of Father Hyacinthe . . . . 200--200
                      Anonymous   Patent Office Items  . . . . . . . . . . 200--200
                      Anonymous   The American Association for the
                                  Advancement of Science . . . . . . . . . 200--201
                      Anonymous   Letter from Professor R. H. Thurston . . 201--202
                      Anonymous   Answers to Correspondents  . . . . . . . 202--202
                      Anonymous   Recent American and Foreign Patents  . . 202--203
                      Anonymous   Practical Hints to Inventors . . . . . . 204--204
                      Anonymous   New Patent Law in Canada . . . . . . . . 204--204
                      Anonymous   Foreign Patents --- A Hint to Patentees  204--204

Scientific American
Volume 27, Number 14, October 5, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 212--212
                      Anonymous   Business and Personal  . . . . . . . . . 216--217
                      Anonymous   Notes and Queries  . . . . . . . . . . . 217--217
                      Anonymous   Index of Inventions  . . . . . . . . . . 219--220
                      Anonymous   Cod Fishing in Alaska  . . . . . . . . . 207--207
                      Anonymous   Improved Feed Regulator for Boilers  . . 207--208
                      Anonymous   ``Greenbacks'' and Postage Stamps  . . . 208--208
                      Anonymous   Scientific and Practical Information . . 208--209
                      Anonymous   Sailors' Home, Bombay, India . . . . . . 210--210
                      Anonymous   Wire Rope Towage on the Danube . . . . . 211--212
                      Anonymous   Letter from Professor R. H. Thurston.
                                  --- Last Letter of the Series  . . . . . 213--213
                      Anonymous   Improved Cotton Press  . . . . . . . . . 214--214
                      Anonymous   Improved Hose Coupling . . . . . . . . . 214--214
                      Anonymous   The Disintegrating or Centrifugal Flour
                                  Mill . . . . . . . . . . . . . . . . . . 214--214
                      Anonymous   The Latest Discoveries in the Nature of
                                  the Sun  . . . . . . . . . . . . . . . . 215--215
                      Anonymous   A Working Man's City . . . . . . . . . . 215--215
                      Anonymous   New Canal Through Florida  . . . . . . . 215--215
                      Anonymous   Science in Court . . . . . . . . . . . . 215--216
                      Anonymous   The Fair of the American Institute . . . 216--216
                      Anonymous   Professor R. H. Thurston's Letters . . . 216--216
                      Anonymous   Patent Office Items  . . . . . . . . . . 216--216
                      Anonymous   Car Coupling Dangers . . . . . . . . . . 216--216
                      Anonymous   Answer to Correspondents . . . . . . . . 217--217
                      Anonymous   Communications Received  . . . . . . . . 217--217
                      Anonymous   Recent American and Foreign Patents  . . 217--219
                      Anonymous   Practical Hints to Inventors . . . . . . 220--220
                      Anonymous   To Investors . . . . . . . . . . . . . . 220--220

Scientific American
Volume 27, Number 15, October 12, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 228--229
                      Anonymous   Business and Personal  . . . . . . . . . 234--234
                      Anonymous   Notes and Queries  . . . . . . . . . . . 234--234
                      Anonymous   Books: New Books and Publications  . . . 235--235
                      Anonymous   Index of Inventions  . . . . . . . . . . 235--236
                      Anonymous   New Method of Docking and Excavating
                                  Canals and of Reclaiming Waste Land  . . 223--224
                      Anonymous   The Wonderful Regions of the West  . . . 224--225
                      Anonymous   Pneumatic Machinery for Bridges  . . . . 226--227
                      Anonymous   The Use of Sulphurous Acid in
                                  Distilleries . . . . . . . . . . . . . . 227--227
                      Anonymous   ``Greenbacks'' and Postage Stamps  . . . 227--228
                      Anonymous   Coffee Washing Machine . . . . . . . . . 230--230
                      Anonymous   Improved Ore Separator . . . . . . . . . 230--230
                      Anonymous   American Inventors in Austria  . . . . . 231--231
                      Anonymous   How Do We take Cold? . . . . . . . . . . 231--231
                      Anonymous   Interoceanic canal . . . . . . . . . . . 231--231
                      Anonymous   Efforts in Germany to Prevent Emigration 231--231
                      Anonymous   Develop Your Inventions  . . . . . . . . 232--232
                      Anonymous   Disinfectants  . . . . . . . . . . . . . 232--232
                      Anonymous   Molding Sand for Iron Founderies . . . . 232--232
                      Anonymous   Animal Heat and Disease  . . . . . . . . 232--233
                      Anonymous   Edmund Henry Knight  . . . . . . . . . . 233--233
                      Anonymous   The Fair of the American Institute . . . 233--233
                      Anonymous   Copies of Patents  . . . . . . . . . . . 233--233
                      Anonymous   Answers to Correspondents  . . . . . . . 234--235
                      Anonymous   Recent American and Foreign Patents  . . 235--235
                      Anonymous   Practical Hints to Inventors . . . . . . 236--236
                      Anonymous   To Investors . . . . . . . . . . . . . . 236--236

Scientific American
Volume 27, Number 16, October 19, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 244--245
                      Anonymous   Business and Personal  . . . . . . . . . 249--249
                      Anonymous   Notes and Queries  . . . . . . . . . . . 249--249
                      Anonymous   Index of Inventions  . . . . . . . . . . 251--251
                      Anonymous   Books: New Books and Publication . . . . 252--252
                      Anonymous   Improved Steam Engine  . . . . . . . . . 239--240
                      Anonymous   Exhibition of Domestic Economy in Paris  240--241
                      Anonymous   Floating Breakwater  . . . . . . . . . . 242--242
                      Anonymous   Street Pavements . . . . . . . . . . . . 242--242
                      Anonymous   Transmission of Motion . . . . . . . . . 243--244
                      Anonymous   New Method of Propelling Canal Boats . . 246--246
                      Anonymous   Portable Music Stand . . . . . . . . . . 246--246
                      Anonymous   The London International Exhibition of
                                  1873 . . . . . . . . . . . . . . . . . . 247--247
                      Anonymous   Binary Vapor Engines . . . . . . . . . . 247--247
                      Anonymous   Advantages of a Technical Education  . . 247--247
                      Anonymous   An Invention Wanted  . . . . . . . . . . 247--247
                      Anonymous   The Latest News about the Moon . . . . . 247--248
                      Anonymous   The Fair of the American Institute . . . 248--248
                      Anonymous   The Frozen Well of Brandon, Vermont  . . 248--249
                      Anonymous   The Moscow Industrial Exposition . . . . 249--249
                      Anonymous   Expected Advance in Crude Petroleum  . . 249--249
                      Anonymous   Francis Lieber . . . . . . . . . . . . . 249--249
                      Anonymous   Answers to Correspondents  . . . . . . . 249--250
                      Anonymous   Copies of Patents  . . . . . . . . . . . 250--250
                      Anonymous   Recent American and Foreign Patents  . . 250--251
                      Anonymous   Practical Hints to Inventors . . . . . . 252--252
                      Anonymous   To Investors . . . . . . . . . . . . . . 252--252

Scientific American
Volume 27, Number 17, October 26, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 259--260
                      Anonymous   Business and Personal  . . . . . . . . . 266--266
                      Anonymous   Index of Inventions  . . . . . . . . . . 267--267
                      Anonymous   Improved Sewing Machine  . . . . . . . . 255--255
                      Anonymous   The Page Patent. --- The Attempts to
                                  Enforce It to be Resisted  . . . . . . . 256--256
            Charles Roberts and   
                F. R. C. S. and   
                            Etc   Sulphozone, a Substitute for Sulphur . . 257--257
                      Anonymous   Self-Feeding Drill . . . . . . . . . . . 258--258
                      Anonymous   Recipes and Experiments  . . . . . . . . 259--259
                      Anonymous   Death of Mr. W. H. Seward  . . . . . . . 259--259
                      Anonymous   The Vienna Exposition Buildings  . . . . 260--260
                      Anonymous   New Line of Atlantic Steamers  . . . . . 260--261
                      Anonymous   Improved Safety Gun Lock . . . . . . . . 262--262
                      Anonymous   Rafter Hook and Fire Escape  . . . . . . 262--262
                      Anonymous   More Light . . . . . . . . . . . . . . . 263--263
                      Anonymous   The French Association for the
                                  Advancement of Science . . . . . . . . . 263--263
                      Anonymous   A Novel News Bulletin  . . . . . . . . . 263--263
                      Anonymous   Professor John Tyndall . . . . . . . . . 263--263
                      Anonymous   American Steeling --- A New and
                                  Remarkable Alloy . . . . . . . . . . . . 263--264
                      Anonymous   The Whistling Lantern --- Who is the
                                  Real Inventor? . . . . . . . . . . . . . 264--264
                      Anonymous   Soup and Savants . . . . . . . . . . . . 264--264
                      Anonymous   Leather Belting --- Facts for the
                                  Determination of the Quality of the
                                  Leather  . . . . . . . . . . . . . . . . 264--264
                      Anonymous   A Mechanical Eye . . . . . . . . . . . . 265--265
                      Anonymous   The Fair of the American Institute . . . 265--265
                      Anonymous   Answers to Correspondents  . . . . . . . 266--266
                      Anonymous   Recent American and Foreign Patents  . . 266--267
                      Anonymous   Copies of Patents  . . . . . . . . . . . 267--267
                      Anonymous   Practical Hints to Inventors . . . . . . 268--268

Scientific American
Volume 27, Number 18, November 2, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 276--277
                      Anonymous   Business and Personal  . . . . . . . . . 281--281
                      Anonymous   Notes and Queries  . . . . . . . . . . . 281--281
                      Anonymous   Index of Inventions  . . . . . . . . . . 283--283
                      Anonymous   Books: New Books and Publications  . . . 284--284
                      Anonymous   Pneumatic Elevator . . . . . . . . . . . 271--271
                      Anonymous   Plating with Aluminum  . . . . . . . . . 272--272
                      Anonymous   The Health of the Workmen of the East
                                  River Bridge . . . . . . . . . . . . . . 272--273
                      Anonymous   Combined Pipe Wrench and Vise  . . . . . 274--274
                      Anonymous   Improved Tool Rest . . . . . . . . . . . 274--274
                      Anonymous   Corundum of North Carolina and Georgia   274--274
                      Anonymous   Road-Building in the Caucasus  . . . . . 275--275
                      Anonymous   Professor Tyndall's First Lecture in
                                  America  . . . . . . . . . . . . . . . . 275--275
                      Anonymous   How Patterns in Carpets are Made . . . . 275--275
                      Anonymous   The Manchester Scientific and Mechanical
                                  Society  . . . . . . . . . . . . . . . . 275--275
                      Anonymous   Malleable Iron . . . . . . . . . . . . . 277--277
                      Anonymous   New Method for Sensitizing Collodion . . 277--277
                      Anonymous   Publishers's Card to Advertisers . . . . 279--279
                      Anonymous   A Million Dollar Telescope . . . . . . . 279--279
                      Anonymous   Downfall of the Paper Collar Ring  . . . 279--279
                      Anonymous   Discouraging Prospects in England  . . . 279--279
                      Anonymous   An Important Patent Extension Denied . . 279--279
                      Anonymous   Professor J. H. Pepper . . . . . . . . . 279--279
                      Anonymous   Underground Railroads  . . . . . . . . . 279--280
                      Anonymous   Hanging Wall Paper . . . . . . . . . . . 280--280
                      Anonymous   Edwin Marcus Chaffee . . . . . . . . . . 280--280
                      Anonymous   Professor John W. Frazer . . . . . . . . 280--280
                      Anonymous   William Prescott Smith . . . . . . . . . 280--280
                      Anonymous   Scientific and Practical Information . . 280--281
                      Anonymous   Copies of Patents  . . . . . . . . . . . 281--281
                      Anonymous   Answer to Correspondence . . . . . . . . 281--282
                      Anonymous   Communications Received  . . . . . . . . 282--282
                      Anonymous   Recent American and Foreign Patents  . . 282--283
                      Anonymous   Practical Hints to Inventors . . . . . . 284--284

Scientific American
Volume 27, Number 19, November 9, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 292--293
                      Anonymous   Business and Personal  . . . . . . . . . 297--297
                      Anonymous   Notes and Queries  . . . . . . . . . . . 298--298
                      Anonymous   Index of Inventions  . . . . . . . . . . 299--300
                      Anonymous   Books: New Books and Publications  . . . 300--300
                      Anonymous   The Cameron Special Steam Pump . . . . . 287--287
                   James Parton   Joseph Priestley . . . . . . . . . . . . 288--288
                      Anonymous   New Tertiary and Post Tertiary Birds . . 289--290
                      Anonymous   Earthenware Hotbed Frames  . . . . . . . 290--290
                      Anonymous   Cheap Country Homes  . . . . . . . . . . 291--291
                      Anonymous   Improved Grate Bars and Bearer . . . . . 294--294
                      Anonymous   Fetta's Improved Wagon Wheel . . . . . . 294--294
                      Anonymous   Publishers' Card to Advertisers  . . . . 295--295
                      Anonymous   The Molecular Phenomena of Evaporation   295--295
                      Anonymous   Industrial Progress in Russia  . . . . . 295--295
                      Anonymous   The Aurora Borealis  . . . . . . . . . . 295--295
                      Anonymous   Steam on the Canals  . . . . . . . . . . 295--295
                      Anonymous   A Fearful Horse Epidemic . . . . . . . . 295--295
                      Anonymous   Theology vs. Science . . . . . . . . . . 295--296
                      Anonymous   Extension of Patents --- The Accounts    296--296
                      Anonymous   Scientific and Practical Information . . 296--297
                      Anonymous   To Investors . . . . . . . . . . . . . . 297--297
                      Anonymous   Copies of Patents  . . . . . . . . . . . 297--297
                      Anonymous   Answer to Correspondents . . . . . . . . 298--298
                      Anonymous   Recent American and Foreign Patents  . . 298--299
                      Anonymous   Practical Hints to Inventors . . . . . . 300--300

Scientific American
Volume 27, Number 20, November 16, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 308--309
                      Anonymous   Business and Personal  . . . . . . . . . 313--313
                      Anonymous   Notes and Queries  . . . . . . . . . . . 314--314
                      Anonymous   Books: New Books and Publications  . . . 315--315
                      Anonymous   Index of Inventions  . . . . . . . . . . 315--316
                      Anonymous   Loom for Weaving Fabrics of any Width    303--304
                      Anonymous   Transmission of Motion . . . . . . . . . 304--304
                      Anonymous   The Use of Water Glass in Building . . . 305--305
                      Anonymous   Has our Climate Changed! . . . . . . . . 305--306
                      Anonymous   Improved Conservatory  . . . . . . . . . 306--306
                      Anonymous   Rolling Shutters . . . . . . . . . . . . 307--307
                      Anonymous   Plating and Coating Metals . . . . . . . 307--308
                George Robinson   On Certain Undescribed Properties of the
                                  Concentrated Solar Rays  . . . . . . . . 309--309
                      Anonymous   Flexible Pipe Coupling . . . . . . . . . 310--310
                      Anonymous   Sash Pulleys . . . . . . . . . . . . . . 310--310
                      Anonymous   Manganiferous Iron . . . . . . . . . . . 310--310
                      Anonymous   The Antiquity of Man . . . . . . . . . . 311--311
                      Anonymous   The Vienna Exposition  . . . . . . . . . 311--311
                      Anonymous   Life-Saving Inventions Needed  . . . . . 311--311
                      Anonymous   The Horse Disease and Street Cars  . . . 311--311
                      Anonymous   Binary Engines . . . . . . . . . . . . . 311--311
                      Anonymous   Sunday Railway Trains  . . . . . . . . . 312--312
                      Anonymous   An Improvement Wanted  . . . . . . . . . 312--312
                      Anonymous   The Contradictions of Science  . . . . . 312--312
                      Anonymous   The Saxby and Farmer Railway Signals . . 312--312
                      Anonymous   Corundum in Pennsylvania . . . . . . . . 312--312
                      Anonymous   Petroleum in Massachusetts . . . . . . . 312--312
                      Anonymous   Death of Hon. John A. Griswold . . . . . 312--313
                      Anonymous   Important Improvement in Textile Weaving 313--313
                      Anonymous   The Burning of the Esourial  . . . . . . 313--313
                      Anonymous   Incrustation of Boilers  . . . . . . . . 313--313
                      Anonymous   The Georgia State Fair . . . . . . . . . 313--313
                      Anonymous   Copies of Patents  . . . . . . . . . . . 313--314
                      Anonymous   Answers to Correspondents  . . . . . . . 314--314
                      Anonymous   Recent American and Foreign Patents  . . 314--315
                      Anonymous   Practical Hints to Inventors . . . . . . 316--316

Scientific American
Volume 27, Number 21, November 23, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 321--323
                      Anonymous   Business and Personal  . . . . . . . . . 330--330
                      Anonymous   Notes and Queries  . . . . . . . . . . . 330--330
                      Anonymous   Index of Inventions  . . . . . . . . . . 331--332
                      Anonymous   Upright Boring Machine . . . . . . . . . 319--319
                      Anonymous   On Instinct  . . . . . . . . . . . . . . 320--320
                      Anonymous   Horsenail Making in London . . . . . . . 320--321
                      Anonymous   Improved Mop, Head . . . . . . . . . . . 323--323
                      Anonymous   Apparatus for Extinguishing Sparks . . . 323--325
                      Anonymous   Improved Tank Locomotive . . . . . . . . 326--326
                      Anonymous   Automatic Boat Detaching Apparatus . . . 326--326
                      Anonymous   New Discoveries Concerning Terrestrial
                                  Heat . . . . . . . . . . . . . . . . . . 327--327
                      Anonymous   Drawings for the Patent Office . . . . . 327--327
                      Anonymous   Lake of Interest in England for the
                                  Vienna Exposition  . . . . . . . . . . . 327--327
                      Anonymous   The Determination of High Temperatures
                                  by Sound . . . . . . . . . . . . . . . . 327--328
                      Anonymous   Choosing an Occupation for a Young Man   328--328
                      Anonymous   The Latest Discoveries in the Polar
                                  Regions  . . . . . . . . . . . . . . . . 328--328
                      Anonymous   Improvements in the Manufacture of Silk  328--329
                      Anonymous   Intolerance in Science . . . . . . . . . 329--329
                      Anonymous   Scientific and Mechanical Possibilities  329--329
                      Anonymous   The Conflagration in Boston  . . . . . . 329--330
                      Anonymous   Answers to Correspondents  . . . . . . . 330--330
                      Anonymous   Recent American and Foreign Patents  . . 331--331
                      Anonymous   Practical Hints to Inventors . . . . . . 332--332

Scientific American
Volume 27, Number 22, November 30, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 340--340
                      Anonymous   Books: New Books and Publications  . . . 345--345
                      Anonymous   Business and Personal  . . . . . . . . . 345--345
                      Anonymous   Notes and Queries  . . . . . . . . . . . 345--345
                      Anonymous   Index of Inventions  . . . . . . . . . . 347--347
                      Anonymous   Cigar Making . . . . . . . . . . . . . . 335--335
                      Anonymous   The Institution of Civil Engineers . . . 336--336
                 Wilson H. Pile   A New Application of Tube Hydrometers    336--336
                      Anonymous   Remarkable Structures of the Ancient
                                  Americans  . . . . . . . . . . . . . . . 337--337
                      Anonymous   The Agricultural Department at
                                  Washington . . . . . . . . . . . . . . . 338--338
                      Anonymous   Transmission of Motion . . . . . . . . . 339--339
             W. T. Robinson and   
                          A. M.   Absurd Cosmical Theories . . . . . . . . 340--341
                      Anonymous   Fire . . . . . . . . . . . . . . . . . . 341--341
                      Anonymous   Hay and Straw Stacking-Apparatus . . . . 342--342
                      Anonymous   Sewing Machine Treadle and Casters . . . 342--342
                      Anonymous   The Vienna Exposition  . . . . . . . . . 343--343
                      Anonymous   The Nose Straightener  . . . . . . . . . 343--343
                      Anonymous   Remarkable Stupidity . . . . . . . . . . 343--343
                      Anonymous   The Horse Disease  . . . . . . . . . . . 343--343
                      Anonymous   Oxyhydric Illumination . . . . . . . . . 343--344
                      Anonymous   Our Concrete Docks . . . . . . . . . . . 344--344
                      Anonymous   Air Gas Light in England . . . . . . . . 344--344
                      Anonymous   The Growth or Evolution of Structure in
                                  Seedlings  . . . . . . . . . . . . . . . 344--344
                      Anonymous   Progress of American Iron Industry . . . 344--344
                      Anonymous   Patent Decision  . . . . . . . . . . . . 344--344
                      Anonymous   Professor James Hadley . . . . . . . . . 344--344
                      Anonymous   Scientific and Practical Information . . 345--345
                      Anonymous   Answers to Correspondents  . . . . . . . 345--346
                      Anonymous   Communications Received  . . . . . . . . 346--346
                      Anonymous   Recent American and Foreign Patents  . . 346--347
                      Anonymous   Value of Patents, and How to Obtain Them 348--348
                      Anonymous   Patent Cold Rolled Shafting  . . . . . . 350--350

Scientific American
Volume 27, Number 23, December 7, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 355--356
                      Anonymous   Books: New Books and Publications  . . . 361--361
                      Anonymous   Business and Personal  . . . . . . . . . 361--361
                      Anonymous   Notes and Queries  . . . . . . . . . . . 362--362
                      Anonymous   Index of Inventions  . . . . . . . . . . 363--364
                      Anonymous   Improved Steam Street Cars . . . . . . . 351--351
                      Anonymous   Our Five Hundred Thousand Dollar
                                  Commissioner to Vienna . . . . . . . . . 352--352
                      Anonymous   Astronomical Notes . . . . . . . . . . . 352--352
                      Anonymous   A Remarkable Test Plate  . . . . . . . . 352--352
                      Anonymous   Italian Industrial Progress  . . . . . . 352--352
                      Anonymous   The Fair of the American Institute . . . 352--353
                      Anonymous   New Plan for a Local Fire Department . . 353--353
                      Anonymous   Scientific and Mechanical Possibilities  353--353
                      Anonymous   Remarkable Magnetic Storms and Auroras
                                  in Europe  . . . . . . . . . . . . . . . 353--353
                      Anonymous   Steam Traction . . . . . . . . . . . . . 353--353
                      Anonymous   Scientific and Practical Information . . 353--353
                      Anonymous   Improved Steam Engine  . . . . . . . . . 354--354
                      Anonymous   Lathe Center Grinder . . . . . . . . . . 354--354
                      Anonymous   Transmission of Motion . . . . . . . . . 355--355
                      Anonymous   Astronomical Notes . . . . . . . . . . . 356--356
                      Anonymous   Inventions and Suggestions for the
                                  Prevention of Fires  . . . . . . . . . . 357--357
                      Anonymous   The Consciousness of Dogs  . . . . . . . 357--357
                      Anonymous   How Money is Made  . . . . . . . . . . . 358--360
                      Anonymous   Decisions by the Commissioner of Patents 360--360
                      Anonymous   Decisions of the Courts  . . . . . . . . 360--361
                      Anonymous   Answers to Correspondents  . . . . . . . 362--362
                      Anonymous   Recent American and Foreign Patents  . . 362--363
                      Anonymous   Value of Patents, and How to Obtain them 364--364
                      Anonymous   Patent Cold Rolled Shafting  . . . . . . 366--366

Scientific American
Volume 27, Number 24, December 14, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 372--372
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 373--373
                      Anonymous   Business and Personal  . . . . . . . . . 378--378
                      Anonymous   Notes and Queries  . . . . . . . . . . . 378--378
                      Anonymous   Index of Inventions  . . . . . . . . . . 379--380
                      Anonymous   Twenty Inch Smooth Bore Gun for the
                                  Russian Government . . . . . . . . . . . 367--367
                      Anonymous   Marine Casualties  . . . . . . . . . . . 367--367
                      Anonymous   The proposed Half Million Grab . . . . . 368--368
                      Anonymous   Revival of American Shipbuilding . . . . 368--368
                      Anonymous   The California Diamond Bubble  . . . . . 368--368
                      Anonymous   Official Publication of the American
                                  Patents --- A New and Important Work . . 368--369
                      Anonymous   Improved Ship's Compass  . . . . . . . . 369--369
                      Anonymous   The November Atmospheric Wave  . . . . . 369--369
                      Anonymous   Death of Horace Greeley  . . . . . . . . 369--369
                      Anonymous   Electricity at the Stevens Institute.
                                  --- Novel Researches by Professor Morton
                                  Concerning the Induced Current . . . . . 369--369
                      Anonymous   The Christian Leader . . . . . . . . . . 369--369
                      Anonymous   New Ice Harvesting Invention . . . . . . 370--370
                      Anonymous   Improved Seed Planter  . . . . . . . . . 370--370
                      Anonymous   How to Make Paper Caps . . . . . . . . . 370--370
                      Anonymous   Steam Boiler Explosions  . . . . . . . . 370--370
                      Anonymous   Combined Tool  . . . . . . . . . . . . . 370--370
                      Anonymous   Transmission of Motion . . . . . . . . . 371--371
                      Anonymous   Head Block for Saw Mills . . . . . . . . 371--371
                      Anonymous   The Sturtevant Blower and Its Uses . . . 372--372
                      Anonymous   Improved Hot Blast Oven  . . . . . . . . 375--375
                      Anonymous   How a Vessel Sails Against the Wind  . . 375--376
                      Anonymous   The Buildings of the Vienna Exposition   376--376
                      Anonymous   How to Make Money by Patents . . . . . . 376--377
                      Anonymous   New Fireproof Construction . . . . . . . 377--377
                      Anonymous   Patent Office Decisions  . . . . . . . . 377--377
                      Anonymous   Decisions of the Courts  . . . . . . . . 377--378
                      Anonymous   Answers to Correspondents  . . . . . . . 378--378
                      Anonymous   Recent American and Foreign Patents  . . 378--379
                      Anonymous   Value of Patents, and How to Obtain Them 380--380
                      Anonymous   Patent Cold Rolled Shafting  . . . . . . 382--382

Scientific American
Volume 27, Number 25, December 21, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 388--389
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 392--392
                      Anonymous   Books: New Books and Publications  . . . 393--393
                      Anonymous   Business and Personal  . . . . . . . . . 393--393
                      Anonymous   Notes and Queries  . . . . . . . . . . . 393--394
                      Anonymous   Index of Inventions  . . . . . . . . . . 395--396
                      Anonymous   Steam Engine Economy and Steam Boiler
                                  Economics  . . . . . . . . . . . . . . . 384--384
                      Anonymous   The President's Message and the Vienna
                                  Exposition . . . . . . . . . . . . . . . 384--384
                      Anonymous   Concentrated Solar Rays  . . . . . . . . 384--384
                      Anonymous   A Badly Constructed Boiler . . . . . . . 384--384
                      Anonymous   The Vienna Exposition --- Professor
                                  Thurston Explains  . . . . . . . . . . . 384--385
                      Anonymous   Torpedo Warfare  . . . . . . . . . . . . 385--385
                      Anonymous   On the Resistance of Buildings Stones to
                                  Fire . . . . . . . . . . . . . . . . . . 385--385
                      Anonymous   Germany in the Vienna Exposition . . . . 385--385
                      Anonymous   Horace Greeley . . . . . . . . . . . . . 385--385
                      Anonymous   New Burlington House, Piccadilly, London 386--386
                      Anonymous   New Method of Brewing  . . . . . . . . . 387--387
                      Anonymous   Button Hole Cutter . . . . . . . . . . . 387--387
                      Anonymous   Patents in Japan . . . . . . . . . . . . 389--389
                      Anonymous   A Patent Poisonous Pavement  . . . . . . 389--389
                      Anonymous   Key Seat Cutting Machine . . . . . . . . 390--390
                      Anonymous   Another Terrible Boiler Explosion in
                                  Ohio . . . . . . . . . . . . . . . . . . 390--390
                      Anonymous   Improved Drawing Table . . . . . . . . . 390--390
                      Anonymous   The New Prussian Rifle . . . . . . . . . 391--391
                      Anonymous   A Novel Railway Ferry Boat . . . . . . . 391--391
                      Anonymous   Phineas L. Slayton . . . . . . . . . . . 392--392
                      Anonymous   Decisions of the Courts  . . . . . . . . 393--393
                      Anonymous   Answers to Correspondents  . . . . . . . 394--394
                      Anonymous   Communications Received  . . . . . . . . 394--394
                      Anonymous   Recent American and Foreign Patents  . . 394--395
                      Anonymous   Value of Patents, and How to Obtain them 396--396
                      Anonymous   Patent Cold Rolled Shafting  . . . . . . 398--398

Scientific American
Volume 27, Number 26, December 28, 1872

                      Anonymous   Correspondence . . . . . . . . . . . . . 404--404
                      Anonymous   Business and Personal  . . . . . . . . . 408--408
                      Anonymous   Index of Inventions  . . . . . . . . . . 409--410
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 410--412
                      Anonymous   The Brooklyn Pier of the East River
                                  Bridge . . . . . . . . . . . . . . . . . 399--399
                      Anonymous   The End of Another Year  . . . . . . . . 400--400
                      Anonymous   Proposed Change in the Patent Law  . . . 400--400
                      Anonymous   Tidal Water Power; A New and Useful
                                  Suggestion . . . . . . . . . . . . . . . 400--400
                      Anonymous   The Planet Jupiter as Revealed by the
                                  Modern Spectroscope, Photometer, and
                                  Telescope  . . . . . . . . . . . . . . . 400--401
                      Anonymous   Progress of the Hoosic Tunnel  . . . . . 401--401
                      Anonymous   The Fire at the Fifth Avenue Hotel . . . 401--401
                      Anonymous   Retirement of Judge Nelson . . . . . . . 401--401
                      Anonymous   The Centennial of 1876 . . . . . . . . . 401--401
                      Anonymous   American Inventions in Europe  . . . . . 401--401
                      Anonymous   Science Record for 1873  . . . . . . . . 401--401
                      Anonymous   Mallet's Method for Oxygen . . . . . . . 402--402
                      Anonymous   The Application of Chemical Fertilizers
                                  to Horticulture  . . . . . . . . . . . . 402--402
                      Anonymous   Electricity  . . . . . . . . . . . . . . 403--403
                      Anonymous   Scientific and Practical Information . . 405--405
                      Anonymous   Improved Safe Protector  . . . . . . . . 406--406
                      Anonymous   Putt's Wash Boiler . . . . . . . . . . . 406--406
                      Anonymous   Amateur's Jig Saw  . . . . . . . . . . . 407--407
                      Anonymous   Government Telegraphy  . . . . . . . . . 407--407
                      Anonymous   Improved Railroad Spike  . . . . . . . . 407--407
                      Anonymous   Dayton's Gas Carburetter . . . . . . . . 407--407
                      Anonymous   Patent Office Decisions  . . . . . . . . 408--408
                      Anonymous   Decisions of the Courts  . . . . . . . . 408--408
                      Anonymous   Communications Received  . . . . . . . . 408--408
                      Anonymous   Answers to Correspondents  . . . . . . . 408--408
                      Anonymous   Recent American and Foreign Patents  . . 409--409
                      Anonymous   Value of Patents and How to Obtain Them  410--410


Scientific American
Volume 28, Number 1, January 4, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 4--4
                      Anonymous   Business and Personal  . . . . . . . . . 9--9
                      Anonymous   Notes and Queries  . . . . . . . . . . . 10--10
                      Anonymous   Index of Inventions  . . . . . . . . . . 11--12
                      Anonymous   Great Telescopes . . . . . . . . . . . . 1--1
                      Anonymous   New Buildings in Madras for the Revenue
                                  Board Offices  . . . . . . . . . . . . . 2--2
                      Anonymous   Professor Tyndall on Light . . . . . . . 3--3
                      Anonymous   Fresh Grapes in Winter . . . . . . . . . 3--3
                      Anonymous   Early Traces of Men  . . . . . . . . . . 5--5
                      Anonymous   Bessemer's Anti-Sea-Sick Ship  . . . . . 5--5
                      Anonymous   Prime's Wash Boiler  . . . . . . . . . . 6--6
                      Anonymous   Brown's Improved Beehive . . . . . . . . 6--6
                      Anonymous   Our Navy . . . . . . . . . . . . . . . . 7--7
                      Anonymous   The Moscow Exposition  . . . . . . . . . 7--7
                      Anonymous   A Slipped Eccentric and What Came of it  7--7
                      Anonymous   Professor Tyndall as a Money Maker . . . 7--7
                      Anonymous   The Vienna Show in Congress  . . . . . . 7--8
                      Anonymous   Sunday Railway Trains  . . . . . . . . . 8--8
                      Anonymous   The New Year . . . . . . . . . . . . . . 8--8
                      Anonymous   Rapid Transit in New York  . . . . . . . 8--9
                      Anonymous   Patent Office Decisions  . . . . . . . . 9--9
                      Anonymous   Decisions of the Courts  . . . . . . . . 9--9
                      Anonymous   Answers to Correspondents  . . . . . . . 10--10
                      Anonymous   Communications Received  . . . . . . . . 10--10
                      Anonymous   Recent American and Foreign Patents  . . 10--11

Scientific American
Volume 28, Number 2, January 11, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 20--21
                      Anonymous   Books: New Books and Publications  . . . 25--25
                      Anonymous   Business and Personal  . . . . . . . . . 27--27
                      Anonymous   Notes and Queries  . . . . . . . . . . . 27--27
                      Anonymous   Index of Inventions  . . . . . . . . . . 27--28
                      Anonymous   Direct Acting Steam and Hydrostatic
                                  Press  . . . . . . . . . . . . . . . . . 15--15
                      Anonymous   Losses of Power in the Steam Engine.
                                  Where it May be Improved and to What
                                  Extent . . . . . . . . . . . . . . . . . 16--16
                      Anonymous   Government Telegraphy  . . . . . . . . . 16--16
                      Anonymous   The New York Industrial Exhibition . . . 16--16
                      Anonymous   Corn as Fuel . . . . . . . . . . . . . . 16--16
                      Anonymous   The Henderson Iron Process . . . . . . . 16--17
                      Anonymous   Friction of Journals . . . . . . . . . . 17--17
                      Anonymous   Patent Business in Congress  . . . . . . 17--17
                      Anonymous   Art Treasures from Cyprus --- English
                                  Criticism on their Destination . . . . . 17--17
                      Anonymous   The Anti-Sea-Sick Ship . . . . . . . . . 18--18
                      Anonymous   New Theory of the Aurora . . . . . . . . 18--18
                      Anonymous   Professor Tyndall on Light --- Second
                                  Lecture  . . . . . . . . . . . . . . . . 19--20
                      Anonymous   The Lyons Exposition Elevated Railway    22--22
                      Anonymous   Improved Blast Furnace . . . . . . . . . 22--22
                      Anonymous   The Great Laxey Water Wheel  . . . . . . 23--23
                      Anonymous   The Progress of Chemistry in 1872  . . . 24--24
                      Anonymous   A Gigantic Fire Engine . . . . . . . . . 24--24
                      Anonymous   Scientific and Practical Information . . 25--25
                      Anonymous   Recent Patent Decisions  . . . . . . . . 25--25
                      Anonymous   Recent American and Foreign Patents  . . 25--26
                      Anonymous   Answers to Correspondents  . . . . . . . 27--27

Scientific American
Volume 28, Number 3, January 18, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 36--36
                      Anonymous   Business and Personal  . . . . . . . . . 43--43
                      Anonymous   Index of Inventions  . . . . . . . . . . 43--44
                      Anonymous   Improved Brick Machine . . . . . . . . . 31--31
                      Anonymous   Can Buildings be Set on Fire by Steam
                                  Pipes? . . . . . . . . . . . . . . . . . 32--32
                      Anonymous   The Austrian Show before the Senate  . . 32--32
                      Anonymous   Collapsing Boiler Flues  . . . . . . . . 32--32
                      Anonymous   Prospects for 1873 . . . . . . . . . . . 32--32
                      Anonymous   Du Motay's Process for Oxyhydric
                                  Illumination . . . . . . . . . . . . . . 32--32
                      Anonymous   Oxidizing Agents . . . . . . . . . . . . 32--32
                      Anonymous   Properties and Uses of Kieserite . . . . 33--33
                      Anonymous   Balancing Machinery  . . . . . . . . . . 33--33
                      Anonymous   The Sewing Machine Monopoly  . . . . . . 33--33
                      Anonymous   To Intending Exhibitors at the Vienna
                                  Show . . . . . . . . . . . . . . . . . . 33--33
                      Anonymous   Practical Advice to Exhibitors in
                                  Austria  . . . . . . . . . . . . . . . . 33--33
                      Anonymous   An International Show in Spain . . . . . 33--33
                      Anonymous   Improved Feathering Paddle Wheel . . . . 34--34
                      Anonymous   Turton's Compensated Spring Safety Valve 34--34
                      Anonymous   Professor Tyndall's Third Lecture in New
                                  York Crystals and Light  . . . . . . . . 35--35
                      Anonymous   Gleanings in Science and Art . . . . . . 37--37
                      Anonymous   Nine Horse Power Compound Boat Engine    38--38
                      Anonymous   Design for Ball Ground Pavilion  . . . . 39--39
                      Anonymous   Scientific and Practical Information . . 40--40
                Henry F. Porter   Bent Woodwork in Carriage Making . . . . 40--41
                      Anonymous   Patent Office Decisions  . . . . . . . . 41--41
                      Anonymous   Decisions of the Courts  . . . . . . . . 41--42
                      Anonymous   Recent American and Foreign Patents  . . 42--43
                      Anonymous   Answers Correspondents . . . . . . . . . 43--43

Scientific American
Volume 28, Number 4, January 25, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 52--53
                      Anonymous   Books: New Books and Publications  . . . 58--58
                      Anonymous   Business and Personal  . . . . . . . . . 59--59
                      Anonymous   Notes and Queries  . . . . . . . . . . . 59--59
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   Compound Metallic Columns and
                                  Connections  . . . . . . . . . . . . . . 47--47
                      Anonymous   How to Test for Vanadium, and What we
                                  Know of the Metal  . . . . . . . . . . . 47--48
                      Anonymous   The Promotion of Scientific Research . . 48--48
                      Anonymous   Government Pap for Austria . . . . . . . 48--48
                      Anonymous   The Temperature Required for Ignition    48--48
                      Anonymous   The Mystery of the Injector  . . . . . . 48--49
                      Anonymous   The Great Sewing Machine Job before
                                  Congress . . . . . . . . . . . . . . . . 49--49
                      Anonymous   The use of Arsenic Colors  . . . . . . . 49--49
                      Anonymous   Submarine Diving . . . . . . . . . . . . 50--51
                      Anonymous   Professor Tyndall's Fourth Lecture in
                                  New York --- Polarized Light . . . . . . 51--51
                      Anonymous   Gleanings in Science and Art . . . . . . 53--53
                      Anonymous   Bridle . . . . . . . . . . . . . . . . . 54--54
                      Anonymous   Animal Charcoal and Its use in the
                                  Refining of Sugar  . . . . . . . . . . . 54--54
                      Anonymous   Valved Oil can Nozzle  . . . . . . . . . 54--54
                      Anonymous   Saw Clamp  . . . . . . . . . . . . . . . 54--54
                      Anonymous   New Tunnel under the Harlem River, New
                                  York City  . . . . . . . . . . . . . . . 55--55
                      Anonymous   Three Cylinder Engine  . . . . . . . . . 55--55
                      Anonymous   The Government Submarine Works at Hell
                                  Gate . . . . . . . . . . . . . . . . . . 56--56
                      Anonymous   Engineering Notes  . . . . . . . . . . . 56--56
                      Anonymous   Nascent Elements as Fertilizers  . . . . 56--56
                      Anonymous   Scientific and Practical Information . . 57--57
                      Anonymous   Scientific and Mechanical Possibilities  57--57
                      Anonymous   A Typo-Statue to Horace Greeley  . . . . 57--57
                      Anonymous   Patent Office Decisions  . . . . . . . . 57--58
                      Anonymous   Recent American and Foreign Patents  . . 58--58
                      Anonymous   Answers correspondents . . . . . . . . . 59--60
                      Anonymous   Communications Received  . . . . . . . . 60--60

Scientific American
Volume 28, Number 5, February 1, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 68--68
                      Anonymous   Books: New Books and Publications  . . . 73--73
                      Anonymous   Business and Personal  . . . . . . . . . 74--74
                      Anonymous   Notes and Queries  . . . . . . . . . . . 74--74
                      Anonymous   Improved Horizontal Testing Machine  . . 63--63
                      Anonymous   Lathe Vise . . . . . . . . . . . . . . . 63--63
                      Anonymous   Gas Light and Steam Heat . . . . . . . . 64--64
                      Anonymous   Entomology in Congress . . . . . . . . . 64--64
                      Anonymous   The Vienna Show in the Senate  . . . . . 64--64
                      Anonymous   The Ocean Tides as a Prime Motor . . . . 64--65
                      Anonymous   Balancing Machinery  . . . . . . . . . . 65--65
                      Anonymous   The Duplex Telegraph Instrument in
                                  England  . . . . . . . . . . . . . . . . 65--65
                      Anonymous   What is the Use? . . . . . . . . . . . . 65--65
                      Anonymous   Early Metallurgy . . . . . . . . . . . . 66--66
                      Anonymous   Guide for Setting Slide Valves . . . . . 66--66
                      Anonymous   Gears for Changing Direction of Motion   66--66
                      Anonymous   The Proportions of Pipes . . . . . . . . 66--66
                      Anonymous   Professor Tyndall's Fifth Lecture in New
                                  York --- The Invisible Rays  . . . . . . 67--67
                      Anonymous   The Telescope in the Cambridge
                                  University . . . . . . . . . . . . . . . 68--68
                      Anonymous   Gleanings in Science and Art . . . . . . 69--69
                      Anonymous   Improved Seed Planter  . . . . . . . . . 70--70
                      Anonymous   Cooling Our Houses . . . . . . . . . . . 70--70
                      Anonymous   New Bridge over the Nile . . . . . . . . 71--71
                      Anonymous   Learn to Draw  . . . . . . . . . . . . . 72--72
                      Anonymous   Dr. Draper's Researches in
                                  Actino-Chemistry . . . . . . . . . . . . 72--72
                      Anonymous   Recent American and Foreign Patents  . . 73--73
                      Anonymous   Decisions of the Courts  . . . . . . . . 73--73
                      Anonymous   Value of Patents . . . . . . . . . . . . 73--73
                      Anonymous   Answers to Correspondents  . . . . . . . 74--74

Scientific American
Volume 28, Number 6, February 8, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 83--84
                      Anonymous   Books: New Books and Publications  . . . 89--89
                      Anonymous   Business and Personal  . . . . . . . . . 90--90
                      Anonymous   Notes and Queries  . . . . . . . . . . . 90--90
                      Anonymous   Index of Inventions  . . . . . . . . . . 91--92
                      Anonymous   Foot Power Band Saw  . . . . . . . . . . 79--79
                      Anonymous   Kindling Wood Splitter . . . . . . . . . 79--79
                      Anonymous   Shoe Stretcher . . . . . . . . . . . . . 79--79
                      Anonymous   The Doctors and the Apothecaries . . . . 80--80
                      Anonymous   Photograph Portraits --- an Improvement  80--80
                      Anonymous   The Eye and the Sun  . . . . . . . . . . 80--80
                      Anonymous   Steam as a Fire Extinguisher . . . . . . 80--81
                      Anonymous   The Balance Wheel Question . . . . . . . 81--81
                      Anonymous   Traction Engines or Road Locomotives . . 81--81
                      Anonymous   The Signal Service Bureau  . . . . . . . 81--81
                      Anonymous   Artificial Fertilization . . . . . . . . 81--81
                      Anonymous   Recent Discoveries in the Pyramids . . . 81--81
                      Anonymous   Silvering Glass  . . . . . . . . . . . . 81--81
                      Anonymous   Professor Tyndall's Sixth and Concluding
                                  Lecture in New York  . . . . . . . . . . 82--83
                      Anonymous   A Simple Photometer  . . . . . . . . . . 83--83
                      Anonymous   Astronomical Notes . . . . . . . . . . . 84--84
                      Anonymous   Plumbago, Black Lead, Graphite . . . . . 84--85
                      Anonymous   Combination Grinding Machine . . . . . . 86--86
                      Anonymous   Improved Self Car Coupler  . . . . . . . 86--86
                      Anonymous   The New St. Thomas' Hospital . . . . . . 87--87
                      Anonymous   English Agricultural Implements  . . . . 88--88
                      Anonymous   Recent American and Foreign Patents  . . 89--89
                      Anonymous   Answers to Correspondents  . . . . . . . 90--91
                      Anonymous   Communications Received  . . . . . . . . 91--91

Scientific American
Volume 28, Number 7, February 15, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 100--100
                      Anonymous   Business and Personal  . . . . . . . . . 106--106
                      Anonymous   Notes and Queries  . . . . . . . . . . . 106--106
                      Anonymous   Index of Inventions  . . . . . . . . . . 107--107
                      Anonymous   Boring Machine . . . . . . . . . . . . . 95--95
                      Anonymous   Paddle Shafts for Pacific Mail Steamers  95--95
                      Anonymous   Burning Water as Fuel  . . . . . . . . . 96--96
                      Anonymous   The Metropolitan Museum of Art . . . . . 96--96
                      Anonymous   Are the Planets Inhabited? . . . . . . . 96--96
                      Anonymous   The New York State Reward for
                                  Improvements in Canal Navigation . . . . 96--97
                      Anonymous   Army and Navy Patents  . . . . . . . . . 97--97
                      Anonymous   The Employment of Women  . . . . . . . . 97--98
                      Anonymous   Arsenic Colors . . . . . . . . . . . . . 98--98
                      Anonymous   Free Mail Privileges Ended . . . . . . . 98--98
                      Anonymous   The Boston Fire Commissioners' Report    98--98
                      Anonymous   The System of Snow Protection on the
                                  Union Pacific Railroad . . . . . . . . . 98--98
                      Anonymous   The Chemical Discoveries by the
                                  Spectroscope . . . . . . . . . . . . . . 99--99
                      Anonymous   Mixing Cylinder for Concrete . . . . . . 99--99
                      Anonymous   The Pantagraph . . . . . . . . . . . . . 99--99
                      Anonymous   The Lost Arts  . . . . . . . . . . . . . 101--101
                      Anonymous   Steam Filter and Condenser . . . . . . . 102--102
                      Anonymous   Lynn's Anti-Freezing Railroad Tank Valve
                                  and Feeder . . . . . . . . . . . . . . . 102--103
                      Anonymous   Pneumatic Gun Carriage and Elevator  . . 103--105
                      Anonymous   Patent Office Decisions  . . . . . . . . 105--105
                      Anonymous   Decisions of the Courts  . . . . . . . . 105--105
                      Anonymous   Recent American and Foreign Patents  . . 105--105
                      Anonymous   Answers to Correspondents  . . . . . . . 106--107
                      Anonymous   Communications Received  . . . . . . . . 107--107

Scientific American
Volume 28, Number 8, February 22, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 115--117
                      Anonymous   Books: New Books and Publications  . . . 121--121
                      Anonymous   Business and Personal  . . . . . . . . . 122--122
                      Anonymous   Notes and Queries  . . . . . . . . . . . 122--122
                      Anonymous   Index of Inventions  . . . . . . . . . . 123--124
                      Anonymous   The Snap Flask . . . . . . . . . . . . . 111--111
                      Anonymous   Annual Report of the Commissioner of
                                  Patents  . . . . . . . . . . . . . . . . 112--112
                      Anonymous   A Blow to the Trades' Unions . . . . . . 112--112
                      Anonymous   The Vienna Exposition  . . . . . . . . . 112--112
                      Anonymous   The Science Record for 1873  . . . . . . 112--112
                      Anonymous   There Fearful Boiler Explosions in One
                                  Day  . . . . . . . . . . . . . . . . . . 112--113
                      Anonymous   Matthew F. Maury . . . . . . . . . . . . 113--113
                      Anonymous   An Old Friend Gone . . . . . . . . . . . 113--113
                      Anonymous   Departure of Professor Tyndall . . . . . 113--113
                      Anonymous   An Electrical Tower  . . . . . . . . . . 113--113
                      Anonymous   Floating Station for Floating Fire
                                  Engines  . . . . . . . . . . . . . . . . 114--114
                      Anonymous   Improved Evaporator  . . . . . . . . . . 114--114
                      Anonymous   Improved Pail Pump . . . . . . . . . . . 115--115
                      Anonymous   Novel and Cheap Railways in Portugal . . 115--115
                      Anonymous   Engineering Notes  . . . . . . . . . . . 117--117
                      Anonymous   Improved Road Scraper  . . . . . . . . . 118--118
                      Anonymous   Automatic Car Coupling . . . . . . . . . 118--118
                      Anonymous   Railway Timber Bridge  . . . . . . . . . 119--119
                      Anonymous   Railway Progress in 1872 . . . . . . . . 119--120
                      Anonymous   Coffee . . . . . . . . . . . . . . . . . 120--120
                      Anonymous   Patent Office Decisions  . . . . . . . . 121--121
                      Anonymous   Recent American and Foreign Patents  . . 121--121
                      Anonymous   Answers to Correspondents  . . . . . . . 122--123
                      Anonymous   Communications Received  . . . . . . . . 123--123

Scientific American
Volume 28, Number 9, March 1, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 132--133
                      Anonymous   Books: New Books and Publications  . . . 136--136
                      Anonymous   Business and Personal  . . . . . . . . . 138--138
                      Anonymous   Notes and Queries  . . . . . . . . . . . 138--138
                      Anonymous   Index of Inventions  . . . . . . . . . . 139--140
                      Anonymous   The Eclipse Sectional Steam Boiler . . . 127--127
                      Anonymous   Small Pox --- Old and New Remedies . . . 128--128
                      Anonymous   A Word with the Reader, Thinker, and
                                  Writer . . . . . . . . . . . . . . . . . 128--128
                      Anonymous   The Photometer Applied to Astronomy  . . 128--128
                      Anonymous   Discoveries of Tin in Queensland . . . . 128--128
                      Anonymous   A Few Gratuitous Hints to Inventors  . . 129--129
                      Anonymous   Professor Agassiz on our Colleges  . . . 129--129
                      Anonymous   Draper and Tyndall on the Invisible Rays 129--129
                      Anonymous   Rapid Transit in New York  . . . . . . . 129--129
                      Anonymous   Scientific and Practical Information . . 129--129
                      Anonymous   The Transit of Venus . . . . . . . . . . 129--129
                      Anonymous   Cork Cutting in Spain  . . . . . . . . . 130--131
                      Anonymous   Textile Fibers under Microscope  . . . . 131--131
                      Anonymous   Our Present Knowledge of the Sun . . . . 131--132
                      Anonymous   Culinary Boiler  . . . . . . . . . . . . 134--134
                      Anonymous   Oscillating Pump . . . . . . . . . . . . 134--134
                      Anonymous   New Gyroscope Governor . . . . . . . . . 134--134
                      Anonymous   Non-Radiating Steam Engine . . . . . . . 135--136
                      Anonymous   Where and How to Advertise . . . . . . . 136--136
                      Anonymous   Patent Office Decisions  . . . . . . . . 136--136
                      Anonymous   Decisions of the Courts  . . . . . . . . 136--136
                      Anonymous   Recent American and Foreign Patents  . . 137--137
                      Anonymous   Answers to Correspondents  . . . . . . . 138--139
                      Anonymous   Communications Received  . . . . . . . . 139--139

Scientific American
Volume 28, Number 10, March 8, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 148--148
                      Anonymous   Books: New Books and Publications  . . . 152--152
                      Anonymous   Business and Personal  . . . . . . . . . 154--154
                      Anonymous   Notes and Queries  . . . . . . . . . . . 154--154
                      Anonymous   Index of Inventions  . . . . . . . . . . 155--155
                      Anonymous   Improved Self-Acting Fire Tank . . . . . 143--144
                      Anonymous   Honor to Whom Honor is Due . . . . . . . 144--144
                      Anonymous   A Novel Traction Engine for Rapid
                                  Transit  . . . . . . . . . . . . . . . . 144--144
                      Anonymous   Explosions Produced by High Musical
                                  Tones  . . . . . . . . . . . . . . . . . 144--144
                      Anonymous   Power Railway Brakes . . . . . . . . . . 144--145
                      Anonymous   Collapse from Low Water in Steam Boilers 145--145
                      Anonymous   The Proposed Introduction of Water
                                  Meters in Cities . . . . . . . . . . . . 145--145
                      Anonymous   The International Metric Commission and
                                  Its Work . . . . . . . . . . . . . . . . 145--145
                      Anonymous   The Sewing Machine Monopoly  . . . . . . 145--145
                      Anonymous   The Annexation of Brooklyn to New York   145--145
                      Anonymous   Registering Tell Tale Clock  . . . . . . 146--146
                      Anonymous   Improvement in Safety Valves . . . . . . 146--146
                      Anonymous   Stilwell's Lime Extracting Heater and
                                  Filter . . . . . . . . . . . . . . . . . 147--147
                      Anonymous   Local Boiler Inspection  . . . . . . . . 147--147
                      Anonymous   A Novel Form of Key  . . . . . . . . . . 147--147
                      Anonymous   A New Bottle Stopper . . . . . . . . . . 147--147
                      Anonymous   Self-Lighting Signal Lantern . . . . . . 147--147
                      Anonymous   Combined Blacking Brush, Box, and Holder 147--147
                      Anonymous   Astronomical Notes . . . . . . . . . . . 148--149
                      Anonymous   Scientific and Practical Information . . 149--149
                      Anonymous   Instrument for Measuring Fibers  . . . . 150--150
                      Anonymous   Emerson's Diamond Stone Saw  . . . . . . 150--150
                      Anonymous   New Method of Attaching Handles to Saws  150--150
                      Anonymous   The New Parliament House in Berlin . . . 151--152
                      Anonymous   Patent Office Decisions  . . . . . . . . 152--152
                      Anonymous   Decisions of the Courts  . . . . . . . . 152--152
                      Anonymous   Recent American and Foreign Patents  . . 152--153
                      Anonymous   Answers to Correspondents  . . . . . . . 154--155
                      Anonymous   Communications Received  . . . . . . . . 155--155
                      Anonymous   Canadian Patents . . . . . . . . . . . . 155--155

Scientific American
Volume 28, Number 11, March 15, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 164--165
                      Anonymous   Books: New Books and Publications  . . . 168--168
                      Anonymous   Business and Personal  . . . . . . . . . 170--170
                      Anonymous   Notes and Queries  . . . . . . . . . . . 170--170
                      Anonymous   Index of Inventions  . . . . . . . . . . 171--172
                      Anonymous   Improved Hot-Pressing Machine  . . . . . 159--159
                      Anonymous   Poisonous Air in Schools and Factories   160--160
                      Anonymous   Practical Results of the Eight Hour Plan
                                  in New York  . . . . . . . . . . . . . . 160--160
                      Anonymous   Foul Air Signal  . . . . . . . . . . . . 160--160
                      Anonymous   Invertebrate Men . . . . . . . . . . . . 160--160
                      Anonymous   The Knowledge of the Truth . . . . . . . 160--161
                      Anonymous   Colburn's Theory and the Boiler
                                  Explosion at Pittsburgh  . . . . . . . . 161--161
                      Anonymous   Scientific and Practical Information . . 161--161
                      Anonymous   The King Penguin and the Australian
                                  Bustard  . . . . . . . . . . . . . . . . 162--163
                      Anonymous   Phosphor-Bronze Tweers . . . . . . . . . 163--163
                      Anonymous   Elastic Washer . . . . . . . . . . . . . 163--163
                      Anonymous   Sectional Life Boat  . . . . . . . . . . 163--163
                      Anonymous   Odd Materials for Paper Making . . . . . 165--165
                      Anonymous   Improved Grain Cleaner . . . . . . . . . 166--166
                      Anonymous   Steam Reaper and Mower . . . . . . . . . 166--167
                      Anonymous   Bridge over the Missouri River, Near
                                  Leavenworth, Kansas  . . . . . . . . . . 167--168
                      Anonymous   Recent American and Foreign Patents  . . 168--169
                      Anonymous   Answers to Correspondents  . . . . . . . 170--171
                      Anonymous   Communications Received  . . . . . . . . 171--171

Scientific American
Volume 28, Number 12, March 22, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 179--181
                      Anonymous   Books: New Books and Publications  . . . 184--184
                      Anonymous   Business and Personal  . . . . . . . . . 186--186
                      Anonymous   Notes and Queries  . . . . . . . . . . . 186--186
                      Anonymous   Index of Inventions  . . . . . . . . . . 187--187
                      Anonymous   A Mammoth Band Saw . . . . . . . . . . . 175--175
                      Anonymous   A Uniform System of Colors . . . . . . . 176--176
                      Anonymous   Papin's Digester for Cooking . . . . . . 176--176
                      Anonymous   Dangerous Mineral Oils . . . . . . . . . 176--176
                      Anonymous   Sailing Faster than the Wind . . . . . . 176--177
                      Anonymous   The Invention of the Leyden Jar  . . . . 177--177
                      Anonymous   Scientific and Practical Information . . 177--177
                      Anonymous   Elastic Washing Mitts  . . . . . . . . . 178--178
                      Anonymous   Barber's Hair Blowing Apparatus  . . . . 178--178
                      Anonymous   Early Plans for Railways . . . . . . . . 178--178
                      Anonymous   Improved Folding Chair . . . . . . . . . 178--178
                      Anonymous   Soap Holder  . . . . . . . . . . . . . . 179--179
                      Anonymous   Grocer's Sample Case . . . . . . . . . . 179--179
                      Anonymous   The Pantagraph . . . . . . . . . . . . . 179--179
                      Anonymous   Screw Driver Attachment  . . . . . . . . 179--179
                      Anonymous   Bradley's Cushioned Hammer . . . . . . . 182--182
                      Anonymous   Improved Wash Boiler Attachment  . . . . 182--182
                      Anonymous   Blasting in a Coal Mine  . . . . . . . . 184--184
                      Anonymous   Patent Office Decisions  . . . . . . . . 184--184
                      Anonymous   Decisions of the Courts  . . . . . . . . 184--185
                      Anonymous   Recent American and Foreign Patents  . . 185--185
                      Anonymous   Answers to Correspondents  . . . . . . . 186--187
                      Anonymous   Communications Received  . . . . . . . . 187--187

Scientific American
Volume 28, Number 13, March 29, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 195--196
                      Anonymous   Business and Personal  . . . . . . . . . 202--202
                      Anonymous   Notes and Queries  . . . . . . . . . . . 202--202
                      Anonymous   Index of Inventions  . . . . . . . . . . 203--204
                      Anonymous   Improved Stone Quarrying Machine . . . . 191--191
                      Anonymous   Explosions Due to Low Water  . . . . . . 192--192
                      Anonymous   Injustice to Workmen . . . . . . . . . . 192--192
                      Anonymous   Proposed New Patent Law in England . . . 192--192
                      Anonymous   Pseudo Science . . . . . . . . . . . . . 192--193
                      Anonymous   Lens Fires . . . . . . . . . . . . . . . 193--193
                      Anonymous   Curious Effect of Light on Selenium  . . 193--193
                      Anonymous   The Siphon Recording Telegraph
                                  Instrument . . . . . . . . . . . . . . . 193--193
                      Anonymous   The Vienna Exhibition  . . . . . . . . . 193--193
                      Anonymous   The Detroit River Tunnels  . . . . . . . 193--193
                      Anonymous   Scientific and Practical Information . . 193--193
                      Anonymous   Kircher's Remarkable Observations
                                  Concerning the Sun . . . . . . . . . . . 193--194
                  John Anderson   The Strength of Timber . . . . . . . . . 197--197
                      Anonymous   New Valve Gearing for Steam Engines  . . 198--198
                      Anonymous   Gin Saw Filing Machine . . . . . . . . . 198--198
                      Anonymous   The Coffee Gardens of Arabia . . . . . . 199--199
                      Anonymous   The Ralston Inclined Railway . . . . . . 199--199
                      Anonymous   The Bridal Veil, Havana Glen N.Y.  . . . 199--199
                      Anonymous   The Hixson Beehive . . . . . . . . . . . 199--200
                      Anonymous   Decisions of the Courts  . . . . . . . . 200--200
                      Anonymous   Recent American and Foreign Patents  . . 200--201
                      Anonymous   Answers to Correspondents  . . . . . . . 202--203
                      Anonymous   Communications Received  . . . . . . . . 203--203

Scientific American
Volume 28, Number 14, April 5, 1873

                      Anonymous   Books: New Books and Publications  . . . 216--216
                      Anonymous   Business and Personal  . . . . . . . . . 218--218
                      Anonymous   Notes and Queries  . . . . . . . . . . . 218--218
                      Anonymous   Index of Inventions  . . . . . . . . . . 219--220
                      Anonymous   Revolving Steam Engine . . . . . . . . . 207--207
                      Anonymous   Reversible Best Single Wheel Grinder . . 207--208
                      Anonymous   The Intellectual Enjoyments of Science   208--208
                      Anonymous   Pile Driving and the Laws of Impact  . . 208--208
                      Anonymous   Water as Fuel  . . . . . . . . . . . . . 208--208
                      Anonymous   Chemistry in Leipsic . . . . . . . . . . 208--209
                      Anonymous   Singular Cause: of Fire  . . . . . . . . 209--209
                      Anonymous   Vesuvius . . . . . . . . . . . . . . . . 209--209
                      Anonymous   The Greek New Testament  . . . . . . . . 209--209
                      Anonymous   Contagious and Infectious Diseases . . . 209--209
                      Anonymous   Corn Plow and Marker . . . . . . . . . . 210--210
                      Anonymous   An Improved form of the Selden Steam
                                  Pump . . . . . . . . . . . . . . . . . . 210--210
                      Anonymous   Astronomical Notes . . . . . . . . . . . 211--211
                      Anonymous   Child's Hat  . . . . . . . . . . . . . . 211--211
                      Anonymous   Nail Driving Hatchet . . . . . . . . . . 211--211
                      Anonymous   Washing Machine  . . . . . . . . . . . . 211--211
                      Anonymous   The Increasing Wealth of the World . . . 212--212
                      Anonymous   Scientific and Practical Information . . 212--213
                      Anonymous   Horseshoe Nail Machinery . . . . . . . . 214--215
                      Anonymous   Decisions of the Courts  . . . . . . . . 216--216
                      Anonymous   How Shall I Introduce My Invention?  . . 216--216
                      Anonymous   Recent American and Foreign Patents  . . 216--217
                      Anonymous   Answers to Correspondents  . . . . . . . 218--219
                      Anonymous   Communications Received  . . . . . . . . 219--219
                      Anonymous   Canadian Patents . . . . . . . . . . . . 220--220

Scientific American
Volume 28, Number 15, April 12, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 227--228
                      Anonymous   Business and Personal  . . . . . . . . . 234--234
                      Anonymous   Notes and Queries  . . . . . . . . . . . 234--234
                      Anonymous   Index of Inventions  . . . . . . . . . . 235--236
                      Anonymous   Improved Duplex Safety Gun Lock  . . . . 223--223
                      Anonymous   Compound Chair for Connecting Railroad
                                  Rails  . . . . . . . . . . . . . . . . . 223--223
                      Anonymous   Astronomical Effects of the Ocean Tides  224--224
                      Anonymous   A Simple Method of Improving the Health
                                  of Cities  . . . . . . . . . . . . . . . 224--224
                      Anonymous   Carbonic Acid in the Soil  . . . . . . . 224--224
                      Anonymous   Steam on the Farm  . . . . . . . . . . . 224--224
                      Anonymous   European Street Car Improvements . . . . 224--224
                      Anonymous   Nebraska Patent Laws . . . . . . . . . . 224--225
                      Anonymous   A Munificent Gift to Science . . . . . . 225--225
                      Anonymous   Eccentric Inventors  . . . . . . . . . . 225--225
                      Anonymous   The Ignition of Combustibles by
                                  Overheated Steam . . . . . . . . . . . . 225--225
                      Anonymous   A New Mitrailleuse . . . . . . . . . . . 225--225
                      Anonymous   Telegraph Poles  . . . . . . . . . . . . 226--226
                      Anonymous   Sound and Hearing  . . . . . . . . . . . 226--227
                      Anonymous   Scientific and Practical Information . . 229--229
                      Anonymous   Improved Radial Drilling Machine . . . . 230--230
                      Anonymous   High Steam Gage and Low Water Register   230--230
                      Anonymous   Flexible Saw and Tooth Filing Apparatus  231--232
                      Anonymous   Decisions of the Courts  . . . . . . . . 232--232
                      Anonymous   Recent American and Foreign Patents  . . 232--233
                      Anonymous   Best mode of Introducing New Inventions  234--234
                      Anonymous   Answers to Correspondents  . . . . . . . 234--235

Scientific American
Volume 28, Number 16, April 19, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 243--245
                      Anonymous   Books: New Books and Publications  . . . 248--248
                      Anonymous   Business and Personal  . . . . . . . . . 250--250
                      Anonymous   Notes and Queries  . . . . . . . . . . . 250--250
                      Anonymous   Index of Inventions  . . . . . . . . . . 251--252
                      Anonymous   Steam Pumping Engines for India State
                                  Railways . . . . . . . . . . . . . . . . 239--239
                      Anonymous   The Evil of Trade Organizations  . . . . 240--240
                      Anonymous   Driving Power of Leather Belts . . . . . 240--240
                      Anonymous   Copyrights . . . . . . . . . . . . . . . 240--240
                      Anonymous   The Scope of the Infinitesimal . . . . . 240--241
                      Anonymous   The Wreck of the Atlantic  . . . . . . . 241--241
                      Anonymous   The Present Condition of Arctic
                                  Explorations . . . . . . . . . . . . . . 241--241
                      Anonymous   Swindling Operations . . . . . . . . . . 241--241
                      Anonymous   Resistance of Woods to Torsional Strain  241--241
                      Anonymous   Diamonds Applied to Dressing and Working
                                  Moldings in Stone  . . . . . . . . . . . 241--242
                      Anonymous   Weather Threshold  . . . . . . . . . . . 242--242
                      Anonymous   Recording Barometer  . . . . . . . . . . 242--242
                      Anonymous   Pipe Tongs . . . . . . . . . . . . . . . 242--242
                      Anonymous   A Submarine Observatory and Photographic
                                  Gallery  . . . . . . . . . . . . . . . . 242--242
                      Anonymous   Manufacture of Combs . . . . . . . . . . 243--243
                      Anonymous   Improved Water Fire-Grate  . . . . . . . 243--243
                      Anonymous   The Government Submarine Works at Hell
                                  Gate . . . . . . . . . . . . . . . . . . 245--245
                      Anonymous   Lunatic Asylum, Windsor, England . . . . 246--246
                      Anonymous   Sulky Plow . . . . . . . . . . . . . . . 247--247
                      Anonymous   The Tanite Company's Shaper and
                                  Sharpener  . . . . . . . . . . . . . . . 247--247
                      Anonymous   Postage Stamp Affixer  . . . . . . . . . 247--248
                      Anonymous   Patent Office Decisions  . . . . . . . . 248--248
                      Anonymous   Decisions of the Courts  . . . . . . . . 248--248
                      Anonymous   Recent American and Foreign Patents  . . 248--249
                      Anonymous   Best Mode of Introducing New Inventions  250--250
                      Anonymous   Answers to Correspondents  . . . . . . . 250--251
                      Anonymous   Communications Received  . . . . . . . . 251--251

Scientific American
Volume 28, Number 17, April 26, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 260--261
                      Anonymous   Books: New Books and Publications  . . . 264--264
                      Anonymous   Business and Personal  . . . . . . . . . 266--266
                      Anonymous   Notes and Queries  . . . . . . . . . . . 266--266
                      Anonymous   Index of Inventions  . . . . . . . . . . 267--268
                      Anonymous   Taylor's American Field Piece  . . . . . 255--256
                      Anonymous   The Sources of Our Modern Knowledge  . . 256--256
                      Anonymous   The Broadway Underground Railway . . . . 256--256
                      Anonymous   The Fire on Board the Steamer Alaska . . 256--257
                      Anonymous   The Hydraulic Ram  . . . . . . . . . . . 257--257
                      Anonymous   Estimating Power by Size and Speed of
                                  Belts  . . . . . . . . . . . . . . . . . 257--257
                      Anonymous   Zirconium  . . . . . . . . . . . . . . . 257--257
                      Anonymous   Patent Medicines . . . . . . . . . . . . 257--257
                      Anonymous   A Novel Mode of Marine Propulsion  . . . 258--258
                      Anonymous   Novel Rat Trap . . . . . . . . . . . . . 258--259
                      Anonymous   The Wonders of the Egg . . . . . . . . . 259--259
                      Anonymous   The Configuration and Dimensions of
                                  Blast Furnaces . . . . . . . . . . . . . 259--260
                      Anonymous   American Locomotives --- The Baldwin
                                  Works  . . . . . . . . . . . . . . . . . 261--261
                      Anonymous   Cart Loader  . . . . . . . . . . . . . . 262--262
                      Anonymous   Combination Padlock  . . . . . . . . . . 262--262
                      Anonymous   Culinary Boiler  . . . . . . . . . . . . 262--262
                      Anonymous   Central Park, New York City  . . . . . . 263--264
                      Anonymous   Recent American and Foreign Patents  . . 264--265
                      Anonymous   Best Mode of Introducing New Inventions  266--266
                      Anonymous   Answers to Correspondents  . . . . . . . 266--267
                      Anonymous   Communications Received  . . . . . . . . 267--267

Scientific American
Volume 28, Number 18, May 3, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 277--277
                      Anonymous   Business and Personal  . . . . . . . . . 282--282
                      Anonymous   Notes and Queries  . . . . . . . . . . . 282--282
                      Anonymous   Index of Inventions  . . . . . . . . . . 283--284
                      Anonymous   Improved Planer Bar  . . . . . . . . . . 271--271
                      Anonymous   The Circulation of the Blood . . . . . . 272--272
                      Anonymous   Injustice to Workmen . . . . . . . . . . 272--272
                      Anonymous   Fireproof Safes  . . . . . . . . . . . . 272--272
                      Anonymous   The Case of Phelps, Dodge & Co  . . . . . 272--272
                      Anonymous   The Broadway Underground Railway . . . . 272--272
                      Anonymous   A New Reading of an Old Record . . . . . 272--273
                      Anonymous   Codeine  . . . . . . . . . . . . . . . . 273--273
                      Anonymous   The Problem of the Coming Transits . . . 273--273
                      Anonymous   Scientific and Practical Information . . 273--273
                      Anonymous   Death of Baron von Liebig  . . . . . . . 273--274
                      Anonymous   Early History of Steam Navigation ---
                                  The First Screw Propeller  . . . . . . . 274--274
                      Anonymous   Bale Tie Fastener  . . . . . . . . . . . 274--275
                   Henry Morton   Stevens Institute Lectures --- Sunlight
                                  and Its Source . . . . . . . . . . . . . 275--275
                      Anonymous   The Wonders of the Egg . . . . . . . . . 275--276
                      Anonymous   Trials of the Ellis Vapor Engine . . . . 276--276
                      Anonymous   Improved Spectroscope  . . . . . . . . . 277--277
                      Anonymous   Improved Wagon Brake . . . . . . . . . . 278--278
                      Anonymous   Improved Fly Trap  . . . . . . . . . . . 278--279
                      Anonymous   New Machine for Sinking Well Tubes . . . 279--279
                      Anonymous   The Agricultural Machine Works of
                                  Chicago  . . . . . . . . . . . . . . . . 279--280
                      Anonymous   Chemical Notes . . . . . . . . . . . . . 280--281
                      Anonymous   Decisions of the Courts  . . . . . . . . 281--281
                      Anonymous   Recent American and Foreign Patents  . . 281--281
                      Anonymous   Best Mode of Introducing New Inventions  282--282
                      Anonymous   Answers to Correspondents  . . . . . . . 282--283
                      Anonymous   Communications Received  . . . . . . . . 283--283

Scientific American
Volume 28, Number 19, May 10, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 292--293
                      Anonymous   Books: New Books and Publications  . . . 297--297
                      Anonymous   Business and Personal  . . . . . . . . . 298--298
                      Anonymous   Notes and Queries  . . . . . . . . . . . 298--298
                      Anonymous   Index of Inventions  . . . . . . . . . . 299--300
                      Anonymous   Double Tenoning Machine, Mammoth Remains 287--287
                      Anonymous   The Physical Condition of the Planets    288--288
                      Anonymous   The Fly Wheel. --- Exact Formulas by
                                  Which to Proportion It . . . . . . . . . 288--288
                      Anonymous   The New Ocean Telegraph Cable  . . . . . 288--288
                      Anonymous   Another Phase of the Vienna Exposition   288--288
                      Anonymous   The Geographical Work of the World in
                                  1872 . . . . . . . . . . . . . . . . . . 288--289
                      Anonymous   The Problem of the Coming Transits . . . 289--289
                      Anonymous   Scientific and Practical Information . . 289--289
                      Anonymous   The Ornamental Use of Metal  . . . . . . 290--290
                   Henry Morton   Stevens Institute Lectures. ---
                                  Moonlight and its Source . . . . . . . . 291--291
                      Anonymous   The Wonders of the Egg. --- Second
                                  Lecture  . . . . . . . . . . . . . . . . 291--292
                      Anonymous   Chemical Notes . . . . . . . . . . . . . 293--293
                      Anonymous   The Tay Bridge . . . . . . . . . . . . . 294--295
                      Anonymous   A Patent Cannon Plow . . . . . . . . . . 295--295
                      Anonymous   Astronomical Notes . . . . . . . . . . . 296--296
                      Anonymous   Decisions of the Courts  . . . . . . . . 296--297
                      Anonymous   Recent American and Foreign Patents  . . 297--297
                      Anonymous   Best Mode of Introducing New Inventions  298--298
                      Anonymous   Answers to Correspondents  . . . . . . . 298--299
                      Anonymous   Communications Received  . . . . . . . . 299--299

Scientific American
Volume 28, Number 20, May 17, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 309--309
                      Anonymous   Books: New Books and Publications  . . . 312--312
                      Anonymous   Business and Personal  . . . . . . . . . 314--314
                      Anonymous   Notes and Queries  . . . . . . . . . . . 314--314
                      Anonymous   Index of Inventions  . . . . . . . . . . 315--316
                      Anonymous   Improved Bolt Heading Machine  . . . . . 303--303
                      Anonymous   Improved Planer  . . . . . . . . . . . . 303--303
                      Anonymous   Is the Earth the Only Inhabited World?   304--304
                      Anonymous   A New Rule in Respect to Caveats . . . . 304--304
                      Anonymous   Opening of the Vienna Exposition . . . . 304--304
                      Anonymous   A New Specific for Rheumatism  . . . . . 304--305
                      Anonymous   Nature and Art --- The Mystery of the
                                  Magneto-Electric Machine . . . . . . . . 305--305
                      Anonymous   The Movements of the Stars . . . . . . . 305--305
                      Anonymous   Scientific and Practical Information . . 305--305
                      Anonymous   Root Power Jig Raw . . . . . . . . . . . 306--306
                      Anonymous   Taylor's Patent Firkin Head  . . . . . . 306--306
                      Anonymous   The Wonders of the Egg, --- Second
                                  Lecture  . . . . . . . . . . . . . . . . 306--307
                       Silliman   Stevens Institute Lectures. --- Gold
                                  Mining in California . . . . . . . . . . 307--307
                      Anonymous   Science Record. --- New Edition  . . . . 307--307
                      Anonymous   Paper Making . . . . . . . . . . . . . . 308--309
                      Anonymous   Country Homes --- Rural Cottages . . . . 310--311
                      Anonymous   Fruit Fork . . . . . . . . . . . . . . . 311--311
                      Anonymous   Tree Protector . . . . . . . . . . . . . 311--312
                      Anonymous   A.R.M.M.A  . . . . . . . . . . . . . . . 312--312
                      Anonymous   Decisions of the Courts  . . . . . . . . 312--312
                      Anonymous   Recent American and Foreign Patents  . . 312--313
                      Anonymous   Answers to Correspondents  . . . . . . . 314--315
                      Anonymous   Communications Received  . . . . . . . . 315--315

Scientific American
Volume 28, Number 21, May 24, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 325--325
                      Anonymous   Books: New Books and Publications  . . . 328--328
                      Anonymous   Business and Personal  . . . . . . . . . 330--330
                      Anonymous   Notes and Queries  . . . . . . . . . . . 330--330
                      Anonymous   Index of Inventions  . . . . . . . . . . 331--332
                      Anonymous   The Manufacture of Zinc and Zinc White,
                                  How to Search for Metals, and more . . . 319--319
                      Anonymous   Medical Practice in Early Times  . . . . 320--320
                      Anonymous   The Horse Power and the Power of the
                                  Horse  . . . . . . . . . . . . . . . . . 320--320
                      Anonymous   Chemical Heat Indicators . . . . . . . . 320--320
                      Anonymous   Leaping by Machinery . . . . . . . . . . 320--320
                      Anonymous   Loss of the Polaris  . . . . . . . . . . 320--320
                      Anonymous   Important Decision in Respect to
                                  Assignments  . . . . . . . . . . . . . . 320--320
                      Anonymous   The Death of Liebig  . . . . . . . . . . 320--321
                      Anonymous   The Falling of the Dixon Bridge  . . . . 321--321
                      Anonymous   Scientific and Practical Information . . 321--321
                      Anonymous   Judson's Patent Lathe Chuck  . . . . . . 322--322
                      Anonymous   Electric Railway Signal  . . . . . . . . 322--322
                      Anonymous   Hat and Coat Hook  . . . . . . . . . . . 322--322
                      Anonymous   Improved Metallic Stuffing Box . . . . . 322--322
                      Anonymous   The Wonders of the Egg --- III . . . . . 323--323
            Charles F. Chandler   Stevens Institute Lectures --- Dyeing
                                  and Calico Printing  . . . . . . . . . . 324--324
                      Anonymous   Sanitary Notes --- Flavoring Substances
                                  for Food and Drink . . . . . . . . . . . 324--324
                      Anonymous   Iron Bridge Construction . . . . . . . . 326--328
                      Anonymous   Patent Office Decisions  . . . . . . . . 328--328
                      Anonymous   Decisions of the Courts  . . . . . . . . 328--328
                      Anonymous   Recent American and Foreign Patents  . . 328--329
                      Anonymous   Answers to Correspondents  . . . . . . . 330--331
                      Anonymous   Communications Received  . . . . . . . . 331--331

Scientific American
Volume 28, Number 22, May 31, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 341--341
                      Anonymous   Business and Personal  . . . . . . . . . 346--346
                      Anonymous   Notes and Queries  . . . . . . . . . . . 346--346
                      Anonymous   Index of Inventions  . . . . . . . . . . 347--348
                      Anonymous   Grain Binder Attachment to Harvesters    335--335
                      Anonymous   Mining Schools and Colleges  . . . . . . 336--336
                      Anonymous   Experiments on the Strength of Materials 336--336
                      Anonymous   Rights of Purchasers of Patented
                                  Articles . . . . . . . . . . . . . . . . 336--336
                      Anonymous   The New Philadelphia Steamships  . . . . 336--336
                      Anonymous   The Vienna Exposition --- Appointment of
                                  a New Commissioner . . . . . . . . . . . 336--336
                      Anonymous   The New York Post Office . . . . . . . . 336--337
                      Anonymous   Modern Printing Machinery and Appliances
                                  --- How a Daily Newspaper is Made  . . . 337--337
                      Anonymous   About Tea  . . . . . . . . . . . . . . . 338--338
                      Anonymous   Iron Bridge Construction . . . . . . . . 338--340
                      Anonymous   The Wonders of the Egg --- IV  . . . . . 340--341
                      Anonymous   Simple Hand Stamp  . . . . . . . . . . . 342--342
                      Anonymous   Rag Cutting Engine . . . . . . . . . . . 342--342
                      Anonymous   Scraper for Household Uses . . . . . . . 342--342
                      Anonymous   The Sigl Mitrailleuse  . . . . . . . . . 342--342
                      Anonymous   New Steam Roller . . . . . . . . . . . . 343--343
                   Henry Morton   Stevens Institute Lectures ---
                                  Fluorescence . . . . . . . . . . . . . . 343--344
                      Anonymous   Decisions of the Courts  . . . . . . . . 344--344
                      Anonymous   Recent American and Foreign Patents  . . 344--345
                      Anonymous   Copyrights . . . . . . . . . . . . . . . 346--346
                      Anonymous   Answers to Correspondents  . . . . . . . 346--347
                      Anonymous   Communications Received  . . . . . . . . 347--347

Scientific American
Volume 28, Number 23, June 7, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 357--357
                      Anonymous   Books: New Books and Publications  . . . 360--360
                      Anonymous   Business and Personal  . . . . . . . . . 362--362
                      Anonymous   Notes and Queries  . . . . . . . . . . . 362--362
                      Anonymous   Index of Inventions  . . . . . . . . . . 363--364
                      Anonymous   Chain Making Machine . . . . . . . . . . 351--351
                      Anonymous   Leather Belting  . . . . . . . . . . . . 352--352
                      Anonymous   Scientific Executions  . . . . . . . . . 352--352
                      Anonymous   The Latest Arctic Explorations --- The
                                  Remarkable Escape of the Polaris Party   352--353
                      Anonymous   American Exhibits at the Vienna
                                  Exposition . . . . . . . . . . . . . . . 353--353
                      Anonymous   Scientific and Practical Information . . 353--353
                      Anonymous   Water Main Tapping Machine . . . . . . . 354--354
                      Anonymous   Improved Cutting Nippers . . . . . . . . 354--354
                      Anonymous   Miner's Drill Bar and Bits . . . . . . . 354--354
                      Anonymous   Improved Plow Handle . . . . . . . . . . 354--354
                      Anonymous   A Collapsing Life Boat . . . . . . . . . 355--355
                      Anonymous   Chandler's Patent Dip Pipe . . . . . . . 355--355
                      Anonymous   A New Deep Sea Thermometer . . . . . . . 355--355
                      Anonymous   The Wonders of the Egg. --- IV . . . . . 356--356
                      Anonymous   Sanitary Notes --- Drainage for Health   356--357
                      Anonymous   Astronomical Notes . . . . . . . . . . . 357--357
                      Anonymous   Improved Rotary Steam Engine . . . . . . 358--358
                      Anonymous   Feed and Filter for Steam Boilers  . . . 358--358
                      Anonymous   Country Cottage and Stable . . . . . . . 359--360
                      Anonymous   Patent Office Decisions  . . . . . . . . 360--360
                      Anonymous   Recent American and Foreign Patents  . . 360--361
                      Anonymous   Copyrights . . . . . . . . . . . . . . . 362--362
                      Anonymous   Answers to Correspondents  . . . . . . . 362--363
                      Anonymous   Communications Received  . . . . . . . . 363--363

Scientific American
Volume 28, Number 24, June 14, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 373--373
                      Anonymous   Books: New Books and Publications  . . . 376--376
                      Anonymous   Business and Personal  . . . . . . . . . 378--378
                      Anonymous   Notes and Queries  . . . . . . . . . . . 378--378
                      Anonymous   Index of Inventions  . . . . . . . . . . 379--380
                      Anonymous   Automatic Steam Engine . . . . . . . . . 367--368
                      Anonymous   Our Coal Deposits --- Their Formation
                                  and Extent . . . . . . . . . . . . . . . 368--368
                      Anonymous   Electrical Fire Arms . . . . . . . . . . 368--368
                      Anonymous   Bisulphide of Carbon . . . . . . . . . . 368--368
                      Anonymous   A Gas-Propelled Boat . . . . . . . . . . 368--368
                      Anonymous   An Objection to the Large Telescope
                                  Answered . . . . . . . . . . . . . . . . 368--369
                      Anonymous   The Vienna Exposition  . . . . . . . . . 369--369
                      Anonymous   Scientific and Practical Information . . 369--369
                      Anonymous   Pumping Engine . . . . . . . . . . . . . 370--370
                      Anonymous   Wenham's Heated Air Engine . . . . . . . 370--370
                      Anonymous   Improved Garden Hoe  . . . . . . . . . . 371--371
                      Anonymous   Fireproof Floor  . . . . . . . . . . . . 371--371
                      Anonymous   The Belgian Dray . . . . . . . . . . . . 371--371
                      Anonymous   M'Grath's Patent Side Stick and Quoins   371--371
                      Anonymous   Sanitary Notes --- Food and Its
                                  Preparation  . . . . . . . . . . . . . . 372--372
                      Anonymous   Positive Circulating Vertical Tube
                                  Radiator . . . . . . . . . . . . . . . . 374--374
                      Anonymous   The Needle Valve Automatic Oil Feeder    374--374
                      Anonymous   Scotton's Patent Round Tree Box  . . . . 374--374
                      Anonymous   Portable Steam Renovator . . . . . . . . 375--375
                      Anonymous   Tannate of Soda  . . . . . . . . . . . . 375--375
                      Anonymous   Adjustable Pulley Bolt . . . . . . . . . 375--375
                      Anonymous   Whiffletree Stub . . . . . . . . . . . . 375--375
                      Anonymous   The Southern Canal . . . . . . . . . . . 376--376
                      Anonymous   Decisions of the Courts  . . . . . . . . 376--376
                      Anonymous   Recent American and Foreign Patents  . . 377--377
                      Anonymous   Copyrights . . . . . . . . . . . . . . . 378--378
                      Anonymous   Answers to Correspondents  . . . . . . . 378--379
                      Anonymous   Communications Received  . . . . . . . . 379--379
                      Anonymous   Best Mode of Introducing New Inventions  379--379

Scientific American
Volume 28, Number 25, June 21, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 388--389
                      Anonymous   Business and Personal  . . . . . . . . . 395--395
                      Anonymous   Notes and Queries  . . . . . . . . . . . 395--395
                      Anonymous   Index of Inventions  . . . . . . . . . . 396--396
                      Anonymous   New Double Spindle Drill . . . . . . . . 383--383
                      Anonymous   Improved Cooking Vessel  . . . . . . . . 383--384
                      Anonymous   The Digestive Apparatus  . . . . . . . . 384--384
                      Anonymous   Thick Cylinders  . . . . . . . . . . . . 384--384
                      Anonymous   Pneumatic Foundations  . . . . . . . . . 384--384
                      Anonymous   The Preparation of Gelatin . . . . . . . 384--384
                      Anonymous   The Spectroscope Simplified  . . . . . . 384--385
                      Anonymous   The Chicago Inter-State Industrial
                                  Exposition . . . . . . . . . . . . . . . 385--385
                      Anonymous   Freight Business of New York City across
                                  the North River  . . . . . . . . . . . . 385--385
                      Anonymous   The American Institute Fair  . . . . . . 385--385
                      Anonymous   Scientific and Practical Information . . 385--385
                      Anonymous   Silkworms  . . . . . . . . . . . . . . . 386--386
                      Anonymous   Improved Plow  . . . . . . . . . . . . . 387--387
                      Anonymous   Iron Ship Construction . . . . . . . . . 387--388
                      Anonymous   A New Preventive for Slipping Belts  . . 389--389
                      Anonymous   Emery Grinder with Adjustable Table  . . 390--390
                      Anonymous   Lock Envelope  . . . . . . . . . . . . . 390--390
                      Anonymous   Improved Spindle Step  . . . . . . . . . 390--390
                      Anonymous   Car and Passenger Elevator . . . . . . . 391--392
                      Anonymous   Sanitary Notes --- Milk and Its
                                  Adulterations  . . . . . . . . . . . . . 392--393
                      Anonymous   Recent American and Foreign Patents  . . 394--394
                      Anonymous   Answers Correspondents . . . . . . . . . 395--396
                      Anonymous   Communications Received  . . . . . . . . 396--396

Scientific American
Volume 28, Number 26, June 28, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 404--404
                      Anonymous   Business and Personal  . . . . . . . . . 409--409
                      Anonymous   Index of Inventions  . . . . . . . . . . 410--410
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 411--412
                      Anonymous   Improved Force Blast Rotary Blower . . . 399--400
                      Anonymous   End of Another Half Year . . . . . . . . 400--400
                      Anonymous   Necessity for Sanitary Reform  . . . . . 400--400
                      Anonymous   Renewal of the Reward of One Hundred
                                  Thousand Dollars . . . . . . . . . . . . 400--400
                      Anonymous   Comets --- Their Character and Source    400--400
                      Anonymous   A Perfect Vacuum . . . . . . . . . . . . 400--401
                      Anonymous   Time Around the World  . . . . . . . . . 401--401
                      Anonymous   The Texas Pacific Railroad . . . . . . . 401--401
                      Anonymous   Scientific and Practical Information . . 401--401
                      Anonymous   New Rifle Attachment for Fowling Pieces  402--402
                      Anonymous   New Mode of Chair Construction . . . . . 402--402
                      Anonymous   Blacking Box . . . . . . . . . . . . . . 402--402
                      Anonymous   Carre's Electrical Machine . . . . . . . 402--402
                      Anonymous   Tobacco Hanger . . . . . . . . . . . . . 402--402
                      Anonymous   Straw-Burning Portable Engine  . . . . . 403--404
                      Anonymous   Alcohol from Flint and Quartz  . . . . . 404--405
                      Anonymous   Sanitary Notes --- sewerage and Sewage   405--405
                      Anonymous   Bee Protector  . . . . . . . . . . . . . 406--406
                      Anonymous   Brewster's Patent Combination Tallow Cup 406--406
                      Anonymous   Soldering Tool . . . . . . . . . . . . . 406--406
                      Anonymous   Boynton's Revolving Evaporator . . . . . 406--406
                      Anonymous   Parlor Aquarium and Fountain . . . . . . 407--407
                      Anonymous   Recent American and Foreign Patents  . . 408--408
                      Anonymous   Decisions of the Courts  . . . . . . . . 408--408
                      Anonymous   Answers to Correspondents  . . . . . . . 409--410
                      Anonymous   Communications Received  . . . . . . . . 410--410


Scientific American
Volume 29, Number 1, July 5, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 4--4
                      Anonymous   Books: New Books and Publications  . . . 9--9
                      Anonymous   Business and Personal  . . . . . . . . . 11--11
                      Anonymous   Notes and Queries  . . . . . . . . . . . 11--11
                      Anonymous   Index of Inventions  . . . . . . . . . . 12--12
                      Anonymous   The Preparation of Peat for Fuel . . . . 1--2
                      Anonymous   The Herculean Lifting Jack . . . . . . . 2--2
                      Anonymous   Life in the Beehive  . . . . . . . . . . 3--4
                      Anonymous   Astronomical Notes . . . . . . . . . . . 5--5
                      Anonymous   Notes from the Vienna Exposition . . . . 5--5
                      Anonymous   Improved Hub Lathe . . . . . . . . . . . 6--6
                      Anonymous   Improved Farm Gate . . . . . . . . . . . 6--6
                      Anonymous   An Imposition upon the Public  . . . . . 7--7
                      Anonymous   Screw Threads --- English and American
                                  Proportions  . . . . . . . . . . . . . . 7--7
                      Anonymous   Fire Ladders . . . . . . . . . . . . . . 7--7
                      Anonymous   Progress of Woman's Rights . . . . . . . 7--7
                      Anonymous   A Patent Congress  . . . . . . . . . . . 7--8
                      Anonymous   Scientific and Practical Information . . 8--8
                      Anonymous   Recent American and Foreign Patents  . . 9--10
                      Anonymous   Answers to Correspondents  . . . . . . . 11--12
                      Anonymous   Communications Received  . . . . . . . . 12--12

Scientific American
Volume 29, Number 2, July 12, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 21--21
                      Anonymous   Books: New Books and Publications  . . . 24--24
                      Anonymous   Business and Personal  . . . . . . . . . 27--27
                      Anonymous   Notes and Queries  . . . . . . . . . . . 27--27
                      Anonymous   Index of Inventions  . . . . . . . . . . 28--28
                      Anonymous   Steam Plowing by Direct Traction . . . . 15--15
                      Anonymous   Publishers' Notice . . . . . . . . . . . 16--16
                      Anonymous   The Measurement of Power . . . . . . . . 16--16
                      Anonymous   The Coming Pavement  . . . . . . . . . . 16--16
                      Anonymous   Letters from Commissioner Thurston . . . 16--16
                      Anonymous   The Digestive Apparatus  . . . . . . . . 16--17
                      Anonymous   Mordants for Aniline Colors  . . . . . . 17--17
                      Anonymous   Fish Culture by Farmers  . . . . . . . . 17--17
                      Anonymous   The Recent Arctic Expedition . . . . . . 17--18
                      Anonymous   The Mechanical Pigeon  . . . . . . . . . 18--18
                      Anonymous   The Common Beetle  . . . . . . . . . . . 18--18
                      Anonymous   Notes from the Vienna Exposition . . . . 19--19
                      Anonymous   The Great Exposition --- Letter from
                                  United States Commissioner Professor R.
                                  H. Thurston  . . . . . . . . . . . . . . 20--20
                      Anonymous   Successful Laying of the Fifth Atlantic
                                  Cable  . . . . . . . . . . . . . . . . . 21--21
                      Anonymous   Improved Portable Dumping Car  . . . . . 22--22
                      Anonymous   The Tanite Company's Emery Grinder
                                  ``E.'' . . . . . . . . . . . . . . . . . 22--22
                      Anonymous   Composite Ship Construction  . . . . . . 23--24
                      Anonymous   A New Thermo-Electric Battery  . . . . . 24--24
                      Anonymous   The Southern Canal . . . . . . . . . . . 24--24
                      Anonymous   Decisions of the Courts  . . . . . . . . 24--24
                      Anonymous   Recent American and Foreign Patents  . . 24--26
                      Anonymous   Answers to Correspondents  . . . . . . . 27--27
                      Anonymous   Communications Received  . . . . . . . . 27--27
                      Anonymous   Schedule of Patent Fees  . . . . . . . . 28--28
                      Anonymous   Value of Patents and How to Obtain Them  28--28
                      Anonymous   To Investors . . . . . . . . . . . . . . 28--28
                      Anonymous   \booktitleScientific American  . . . . . 30--30

Scientific American
Volume 29, Number 3, July 19, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 37--37
                      Anonymous   Business and Personal  . . . . . . . . . 43--43
                      Anonymous   Notes and Queries  . . . . . . . . . . . 43--43
                      Anonymous   Index of Inventions  . . . . . . . . . . 44--44
                      Anonymous   Recent Improvements in Torpedo Warfare   31--32
                      Anonymous   Publishers' Notice . . . . . . . . . . . 32--32
                      Anonymous   Street Travel  . . . . . . . . . . . . . 32--32
                      Anonymous   Invention the Mother of Necessity  . . . 32--32
                      Anonymous   Boilers and Boiler Owners  . . . . . . . 32--32
                      Anonymous   Underground Railways in American Cities  32--33
                      Anonymous   Snake Poisons  . . . . . . . . . . . . . 33--33
                      Anonymous   To Europe in a Balloon . . . . . . . . . 33--33
                      Anonymous   Notes from the Vienna Exposition . . . . 34--34
                      Anonymous   New Form for Metallic Telegraph Poles    35--35
                      Anonymous   Cummings' Steam Mowing, Reaping, and
                                  Thrashing Machine  . . . . . . . . . . . 35--35
                      Anonymous   Electric Gas Lighter . . . . . . . . . . 35--35
                      Anonymous   Specific Gravity Indicator . . . . . . . 35--36
                      Anonymous   The Great Leopard Moth . . . . . . . . . 36--36
                      Anonymous   En Route to the Great Exposition ---
                                  Letter from United States Commissioner
                                  Professor R. H. Thurston . . . . . . . . 36--36
                      Anonymous   Improved Cultivator  . . . . . . . . . . 38--38
                      Anonymous   An Improved Horse Collar Brace . . . . . 38--38
                      Anonymous   Novel Claw Hatchet . . . . . . . . . . . 38--38
                      Anonymous   New Heel Plate for Boots and Shoes . . . 38--38
                      Anonymous   A New Fire Escape  . . . . . . . . . . . 38--39
                      Anonymous   Robert Wilhelm Bunsen  . . . . . . . . . 39--40
                      Anonymous   The New Electric Light in London . . . . 40--40
                      Anonymous   Light and Life . . . . . . . . . . . . . 40--40
                      Anonymous   To Europe in a Balloon . . . . . . . . . 41--41
                      Anonymous   Recent American and Foreign Patents  . . 41--42
                      Anonymous   Value of Patents, and How to Obtain Them
                                  Practical Hints to Inventors . . . . . . 42--42
                      Anonymous   Answers to Correspondents  . . . . . . . 43--44
                      Anonymous   Communications Received  . . . . . . . . 44--44
                      Anonymous   Schedule of Patent Fees  . . . . . . . . 44--44
                      Anonymous   To Investors . . . . . . . . . . . . . . 45--45
                      Anonymous   Inventors  . . . . . . . . . . . . . . . 45--45
                      Anonymous   \booktitleScientific American  . . . . . 46--46

Scientific American
Volume 29, Number 4, July 26, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 51--52
                      Anonymous   Business and Personal  . . . . . . . . . 59--59
                      Anonymous   Notes and Queries  . . . . . . . . . . . 59--59
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   The Baltimore Concentric Rotary Engine   47--48
                      Anonymous   Publishers' Notice . . . . . . . . . . . 48--48
                      Anonymous   Friction of Water in Pipes . . . . . . . 48--49
                      Anonymous   The Zodiacal Light . . . . . . . . . . . 49--49
                      Anonymous   The Greatest Gas Well in the World . . . 49--49
                      Anonymous   To Europe by Balloon . . . . . . . . . . 49--49
                      Anonymous   A New Substitute for Rubber  . . . . . . 49--49
                      Anonymous   Scientific and Practical Information . . 49--49
                      Anonymous   The Gardner Governor . . . . . . . . . . 50--50
                      Anonymous   Improved Washing Machine . . . . . . . . 50--50
                      Anonymous   The Tunnicliffe Fire Alarm . . . . . . . 50--50
                      Anonymous   The Isabella Tiger Moth  . . . . . . . . 51--51
                      Anonymous   New Turkish Bath . . . . . . . . . . . . 52--52
                      Anonymous   En Route to the Great Exposition ---
                                  Letter from United States Commissioner
                                  Professor R. H. Thurston . . . . . . . . 52--52
                      Anonymous   On Girders and Floor Beams. --- The
                                  Effect of Cross-Bridging . . . . . . . . 53--53
                      Anonymous   Patent Ventilating and Heating Stove . . 54--54
                      Anonymous   Automatic Car Coupler  . . . . . . . . . 54--54
                      Anonymous   Great Balloons . . . . . . . . . . . . . 55--57
                      Anonymous   Recent American and Foreign Patents  . . 57--58
                      Anonymous   Value of Patents and How to Obtain Them
                                  Practical Hints to Inventors . . . . . . 58--58
                      Anonymous   Answers to Correspondence  . . . . . . . 59--60
                      Anonymous   Communications Received  . . . . . . . . 60--60
                      Anonymous   Schedule of Patent Fees  . . . . . . . . 60--60

Scientific American
Volume 29, Number 5, August 2, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 68--68
                      Anonymous   Books: New Books and Publications  . . . 73--73
                      Anonymous   Business and Personal  . . . . . . . . . 75--75
                      Anonymous   Notes and Queries  . . . . . . . . . . . 75--75
                      Anonymous   Index of Inventions  . . . . . . . . . . 76--76
                      Anonymous   A Public Drinking Fountain . . . . . . . 63--64
                      Anonymous   Latent Heat  . . . . . . . . . . . . . . 64--64
                      Anonymous   French Telegraphy at the Exposition  . . 64--64
                      Anonymous   Another Arctic Expedition Begun  . . . . 64--64
                      Anonymous   An Austrian Farmer's Entertainment . . . 64--65
                      Anonymous   The Use of Zinc  . . . . . . . . . . . . 65--65
                      Anonymous   Simple Tests for Minerals  . . . . . . . 65--65
                      Anonymous   Scientific and Practical Information . . 65--65
                      Anonymous   A Substitute for the Bell Cord . . . . . 66--66
                      Anonymous   Improvement in Bricks  . . . . . . . . . 66--66
                      Anonymous   New Safety Pump for Sea Going Steamers   66--66
                      Anonymous   Improved Propeller . . . . . . . . . . . 66--66
                      Anonymous   Improved Ox Bow  . . . . . . . . . . . . 66--66
                      Anonymous   Patent Pig Feeder  . . . . . . . . . . . 66--66
                      Anonymous   The Pernyi Silkworm  . . . . . . . . . . 67--67
                      Anonymous   New Tool Holder for the Slide Rest . . . 67--67
                      Anonymous   On the Manufacture of Vinegar  . . . . . 68--68
                      Anonymous   The Great Exposition --- Letter from
                                  United States Commissioner Professor R.
                                  H. Thurston  . . . . . . . . . . . . . . 69--69
                      Anonymous   Improved Chain Propeller . . . . . . . . 70--70
                      Anonymous   Tucking Attachment for Sewing Machines   70--70
                      Anonymous   Combined Cradle and Rocking Chair  . . . 70--70
                      Anonymous   Baron Von Liebig . . . . . . . . . . . . 71--71
                      Anonymous   Engineering Notes  . . . . . . . . . . . 72--73
                      Anonymous   Decisions of the Courts  . . . . . . . . 73--73
                      Anonymous   Recent American and Foreign Patents  . . 73--74
                      Anonymous   Value of Patents . . . . . . . . . . . . 74--74
                      Anonymous   Answers to Correspondents  . . . . . . . 75--76
                      Anonymous   Communications Received  . . . . . . . . 76--76

Scientific American
Volume 29, Number 6, August 9, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 84--84
                      Anonymous   Business and Personal  . . . . . . . . . 91--91
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--92
                      Anonymous   Improved Ice and Refrigerating Machine   79--80
                      Anonymous   Is It a Dastardly Outrage? . . . . . . . 80--80
                      Anonymous   The Vienna Show  . . . . . . . . . . . . 80--80
                      Anonymous   Progress of Cabs . . . . . . . . . . . . 80--80
                      Anonymous   A Great Unrecognized Inventor  . . . . . 80--80
                      Anonymous   Concrete for Building Purposes . . . . . 80--81
                      Anonymous   Madder, Vegetable and Chemical . . . . . 81--81
                      Anonymous   The Star Shower of August 10 . . . . . . 81--81
                      Anonymous   Properties of Saturated Steam  . . . . . 81--81
                      Anonymous   Scientific and Practical Information . . 81--81
                      Anonymous   A New Application of Spectrum Analysis   82--83
                      Anonymous   Cheese Skipper Exterminator  . . . . . . 83--83
                      Anonymous   Improved Milk Refrigerator . . . . . . . 83--83
                      Anonymous   The Great Exposition --- Letter from
                                  United States Commissioner Professor R.
                                  H. Thurston  . . . . . . . . . . . . . . 85--85
                      Anonymous   Pneumatic Screw Ventilator for Cars  . . 86--86
                      Anonymous   Abbe's Patent Bolt Forging Machine . . . 86--86
                      Anonymous   The Cecropia Silkworm  . . . . . . . . . 87--88
                      Anonymous   Double-Acting Bucket Plunger Steam Pump  88--89
                      Anonymous   Decisions of the Courts  . . . . . . . . 89--89
                      Anonymous   Recent American and Foreign Patents  . . 89--90
                      Anonymous   Value of Patents, and How to Obtain Them 90--90
                      Anonymous   Answers to Correspondents  . . . . . . . 91--92
                      Anonymous   Communications Received  . . . . . . . . 92--92

Scientific American
Volume 29, Number 7, August 16, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 100--101
                      Anonymous   Books: New Books and Publications  . . . 104--104
                      Anonymous   Business and Personal  . . . . . . . . . 107--107
                      Anonymous   Notes and Queries  . . . . . . . . . . . 107--107
                      Anonymous   Index of Inventions  . . . . . . . . . . 108--108
                      Anonymous   A Large Steam Crane  . . . . . . . . . . 95--95
                      Anonymous   Triumph of American Harvesters in
                                  Austria --- The English Exhibitors Back
                                  Out of the Competition . . . . . . . . . 96--96
                      Anonymous   Towing Sailing Vessels . . . . . . . . . 96--96
                      Anonymous   Lightning Rods . . . . . . . . . . . . . 96--97
                      Anonymous   Recent Meteoric Investigations . . . . . 97--97
                      Anonymous   Lead Poisoning and its Treatment . . . . 97--97
                      Anonymous   Paper Feeding Machine  . . . . . . . . . 98--98
                      Anonymous   Progress of Steam Cultivation  . . . . . 98--98
                      Anonymous   Improved Fishing Rod . . . . . . . . . . 98--98
                      Anonymous   ``The People's'' Steam Washer  . . . . . 98--98
                      Anonymous   Air Pump for Raising Sewage  . . . . . . 99--99
                      Anonymous   The Great Exposition --- Letter from
                                  United States Commissioner Professor R.
                                  H. Thurston  . . . . . . . . . . . . . . 100--100
                      Anonymous   Improved Churn . . . . . . . . . . . . . 102--102
                      Anonymous   Odorless Water Closet Attachment . . . . 102--102
                      Anonymous   Japanese Birds . . . . . . . . . . . . . 103--103
                      Anonymous   Scientific and Practical Information . . 104--104
                      Anonymous   Decisions of the Courts  . . . . . . . . 105--105
                      Anonymous   Recent American and Foreign Patents  . . 105--106
                      Anonymous   Answers to Correspondents  . . . . . . . 107--108
                      Anonymous   Communications Received  . . . . . . . . 108--108
                      Anonymous   Canadian Patents . . . . . . . . . . . . 108--109

Scientific American
Volume 29, Number 8, August 23, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 116--117
                      Anonymous   Books: New Books and Publications  . . . 121--121
                      Anonymous   Business and Personal  . . . . . . . . . 123--123
                      Anonymous   Notes and Queries  . . . . . . . . . . . 123--123
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--124
                      Anonymous   Manufacture of Oil of Vitriol  . . . . . 111--111
                      Anonymous   That ``Dastardly Outrage'' Again . . . . 112--112
                      Anonymous   Spontaneous Generation . . . . . . . . . 112--112
                      Anonymous   Recent Geological Investigations . . . . 112--112
                      Anonymous   The Base Line of Astronomy . . . . . . . 112--113
                      Anonymous   Efflux of Steam  . . . . . . . . . . . . 113--113
                      Anonymous   Ezekiel Page . . . . . . . . . . . . . . 113--113
                      Anonymous   Scientific and Practical Information . . 113--113
                      Anonymous   Norway and Sweden  . . . . . . . . . . . 115--115
                      Anonymous   Harris & Hewitt's Patent Sash Cord
                                  Fastener . . . . . . . . . . . . . . . . 115--115
                      Anonymous   The Great Exposition --- Letter from
                                  United States Commissioner Professor R.
                                  H. Thurston  . . . . . . . . . . . . . . 116--116
                      Anonymous   A New Domestic Motor . . . . . . . . . . 118--118
                      Anonymous   Perambulating Cot  . . . . . . . . . . . 118--118
                      Anonymous   The Patent Revenue Cigar Box . . . . . . 118--118
                      Anonymous   The Cooper Portable Engine . . . . . . . 119--119
                      Anonymous   The First Automatic Fan  . . . . . . . . 119--120
                      Anonymous   Decisions of the Courts  . . . . . . . . 121--121
                      Anonymous   Recent American and Foreign Patents  . . 121--122
                      Anonymous   Value of Patents and How To Obtain Them  122--122
                      Anonymous   Answers to Correspondents  . . . . . . . 123--124
                      Anonymous   Communications Received  . . . . . . . . 124--124

Scientific American
Volume 29, Number 9, August 30, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 131--132
                      Anonymous   Business and Personal  . . . . . . . . . 138--138
                      Anonymous   Notes and Queries  . . . . . . . . . . . 138--138
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   The Pulsometer . . . . . . . . . . . . . 127--128
                      Anonymous   The ``Granges'' and their Object . . . . 128--128
                      Anonymous   The Flowing Oil Wells of Pennsylvania
                                  --- Great Decline in the Price of Oil    128--128
                      Anonymous   The Study of Mathematics . . . . . . . . 128--129
                      Anonymous   Engines of Admiral Porter's Torpedo Boat 129--129
                      Anonymous   The Sun's Distance and How it is
                                  Measured . . . . . . . . . . . . . . . . 129--129
                      Anonymous   Scientific and Practical Information . . 129--129
                      Anonymous   Concrete Siphons on the Canal Quintino
                                  Sella, Lomellina, Italy  . . . . . . . . 130--130
                      Anonymous   Reversing Gear for Rolling Mills . . . . 130--130
                      Anonymous   Nature and Art . . . . . . . . . . . . . 131--131
                      Anonymous   The Devil Fish . . . . . . . . . . . . . 131--131
                      Anonymous   The Great Exposition --- Letter from
                                  United States Commissioner Professor R.
                                  H. Thurston  . . . . . . . . . . . . . . 133--133
                      Anonymous   Brick Compressing Machine  . . . . . . . 134--134
                      Anonymous   The Diamond Cotton Chopper and
                                  Cultivator . . . . . . . . . . . . . . . 134--134
                      Anonymous   French Four Axled Articulated Locomotive 135--137
                      Anonymous   Recent American and Foreign Patents  . . 137--137
                      Anonymous   Answers to Correspondents  . . . . . . . 138--139
                      Anonymous   Communications Received  . . . . . . . . 140--140

Scientific American
Volume 29, Number 10, September 6, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 149--149
                      Anonymous   Books: New Books and Publications  . . . 154--154
                      Anonymous   Business and Personal  . . . . . . . . . 155--155
                      Anonymous   Notes and Queries  . . . . . . . . . . . 155--155
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--156
                      Anonymous   Improved Feed Water Heater and Purifier  143--144
                      Anonymous   The Poor Man's Representative  . . . . . 144--144
                      Anonymous   The Bisulphide of Carbon Auxiliary . . . 144--144
                      Anonymous   Award of Prizes at the Vienna Exposition 144--144
                      Anonymous   The Patent Congress at Vienna  . . . . . 144--144
                      Anonymous   Lightning Rods --- A Few Practical Hints 144--145
                      Anonymous   Caoutchouc --- Where it Comes From, and
                                  How it is Prepared . . . . . . . . . . . 145--145
                      Anonymous   American Sewing Machine Awards at Vienna 145--145
                      Anonymous   The Architect and the Builder of the
                                  Vienna Exposition Palace . . . . . . . . 147--147
                      Anonymous   The Machine Room of the Great Exposition 147--147
                      Anonymous   The Great Exposition --- Letter from
                                  United States Commissioner Professor R.
                                  H. Thurston  . . . . . . . . . . . . . . 148--148
                      Anonymous   Steam Boilers at the Great Exposition
                                  --- Letter from the Engineer of the
                                  United States Department . . . . . . . . 148--149
                      Anonymous   The Ironclad Hulling Stone . . . . . . . 150--150
                      Anonymous   Improved Window Weather Strip  . . . . . 150--150
                      Anonymous   Improved Friction Attachment . . . . . . 150--150
                      Anonymous   Improved Wrench  . . . . . . . . . . . . 150--150
                      Anonymous   Kansas City, Mo., and its Coming
                                  Exposition . . . . . . . . . . . . . . . 151--151
                      Anonymous   Counterbalanced Lifting Bridge . . . . . 151--152
                      Anonymous   Improved Testing Machine . . . . . . . . 152--152
                      Anonymous   American Association for the Advancement
                                  of Science . . . . . . . . . . . . . . . 153--153
                      Anonymous   Foreign Appreciation of American
                                  Inventions . . . . . . . . . . . . . . . 153--154
                      Anonymous   Decisions of the Courts  . . . . . . . . 154--154
                      Anonymous   A Grand Victory Over Every Competitor in
                                  the World  . . . . . . . . . . . . . . . 154--154
                      Anonymous   Recent American and Foreign Patents  . . 154--154
                      Anonymous   Answers to Correspondents  . . . . . . . 155--156
                      Anonymous   Communications Received  . . . . . . . . 156--156

Scientific American
Volume 29, Number 11, September 13, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 164--164
                      Anonymous   Business and Personal  . . . . . . . . . 171--171
                      Anonymous   Notes and Queries  . . . . . . . . . . . 171--171
                      Anonymous   Index of Inventions  . . . . . . . . . . 172--172
                      Anonymous   The Balloon and the Aeronauts  . . . . . 159--159
                      Anonymous   End of the Vienna Patent Congress  . . . 160--160
                      Anonymous   Hoe's New Printing Press . . . . . . . . 160--160
                      Anonymous   The Balloon Voyage to Europe . . . . . . 160--160
                      Anonymous   Modern Miracles  . . . . . . . . . . . . 160--160
                      Anonymous   Theories of the Sun Spots  . . . . . . . 160--161
                      Anonymous   Accident to the New Docks  . . . . . . . 161--161
                      Anonymous   Hay Fever  . . . . . . . . . . . . . . . 161--161
                      Anonymous   Scientific and Practical Information . . 161--161
                      Anonymous   The Large Floating Derrick . . . . . . . 162--162
                   Henry Morton   The Magic Lantern as a Means of
                                  Demonstration  . . . . . . . . . . . . . 163--164
                      Anonymous   The Great Exposition --- Letter from
                                  United States Commissioner Professor R.
                                  H. Thurston  . . . . . . . . . . . . . . 165--165
                      Anonymous   Improved Turbine Water Wheel . . . . . . 166--166
                      Anonymous   The Hydraulic Propeller --- a Novel Mode
                                  of Marine Propulsion . . . . . . . . . . 166--167
                      Anonymous   The Persian Pavilion at Vienna . . . . . 167--167
                      Anonymous   The American Association for the
                                  Advancement of Science . . . . . . . . . 168--169
                      Anonymous   A Grand Medal for Cleveland  . . . . . . 169--170
                      Anonymous   American Manufactures at Vienna  . . . . 170--170
                      Anonymous   Recent American and Foreign Patents  . . 170--170
                      Anonymous   Answers to Correspondents  . . . . . . . 171--172
                      Anonymous   Communications Received  . . . . . . . . 172--172

Scientific American
Volume 29, Number 12, September 20, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 180--180
                      Anonymous   Business and Personal  . . . . . . . . . 187--187
                      Anonymous   Index of Inventions  . . . . . . . . . . 188--188
                      Anonymous   The Voyage of the Graphic Balloon  . . . 176--176
                      Anonymous   Hell Gate  . . . . . . . . . . . . . . . 176--176
                      Anonymous   The Vienna Prizes  . . . . . . . . . . . 176--176
                      Anonymous   The Patent Ice Machine . . . . . . . . . 177--177
                      Anonymous   Pens and their Failings  . . . . . . . . 177--177
                      Anonymous   Deodorizing the Offal from Slaughter
                                  Houses . . . . . . . . . . . . . . . . . 177--177
                      Anonymous   Scientific and Practical Information . . 177--177
                      Anonymous   How to Catch Moles . . . . . . . . . . . 178--178
                      Anonymous   Deep Sea Dredging Apparatus  . . . . . . 178--178
                      Anonymous   A New System of Constructing Blast
                                  Furnaces . . . . . . . . . . . . . . . . 179--179
                      Anonymous   How to Conduct Slaughtering Packing and
                                  Rendering without Offense  . . . . . . . 179--180
                  Henry Edwards   On the Honey-Making Ant of Texas and New
                                  Mexico . . . . . . . . . . . . . . . . . 180--180
                      Anonymous   The Great Exposition --- Letter from
                                  United States Commissioner Professor R.
                                  H. Thurston  . . . . . . . . . . . . . . 181--181
                      Anonymous   Device for Transferring Motion . . . . . 182--182
                      Anonymous   Automatic Boat Detaching Apparatus . . . 182--182
                      Anonymous   The Indiana State Exposition . . . . . . 182--183
                      Anonymous   The Turkish Treasure Pavilion at Vienna  183--183
                   Henry Morton   The Magic Lantern as a Means of
                                  Demonstration  . . . . . . . . . . . . . 184--184
                      Anonymous   The American Association for the
                                  Advancement of Science . . . . . . . . . 185--185
                      Anonymous   Vienna Premiums and Sewing Machines  . . 185--186
                      Anonymous   Decisions of the Courts  . . . . . . . . 186--186
                      Anonymous   Recent American and Foreign Patents  . . 186--186
                      Anonymous   Answers to Correspondents  . . . . . . . 187--188
                      Anonymous   Communications Received  . . . . . . . . 188--188

Scientific American
Volume 29, Number 13, September 27, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 196--196
                      Anonymous   Books: New Books and Publications  . . . 201--201
                      Anonymous   Business and Personal  . . . . . . . . . 203--203
                      Anonymous   Notes and Queries  . . . . . . . . . . . 203--203
                      Anonymous   Index of Inventions  . . . . . . . . . . 204--204
                      Anonymous   Havens' Automatic Wire Rope Railway  . . 191--192
                      Anonymous   The Vienna Patent Congress Once More . . 192--192
                      Anonymous   Manufacture of Illuminating Gas from
                                  Crude Petroleum  . . . . . . . . . . . . 192--192
                      Anonymous   The Department of Parks, New York City   192--192
                      Anonymous   Chemical Sugar . . . . . . . . . . . . . 192--193
                      Anonymous   Tidings from the Missing Arctic
                                  Explorers  . . . . . . . . . . . . . . . 193--193
                      Anonymous   Failure of the Balloon to Europe . . . . 193--193
                      Anonymous   Gas as Fuel  . . . . . . . . . . . . . . 193--193
                      Anonymous   Scientific and Practical Information . . 193--193
                      Anonymous   New Steam Motor  . . . . . . . . . . . . 194--194
                      Anonymous   The Rigi Railway . . . . . . . . . . . . 194--194
                      Anonymous   The Planet Mars --- Is It Inhabited? . . 195--195
                      Anonymous   Earwigs  . . . . . . . . . . . . . . . . 195--196
                      Anonymous   The Great Exposition --- Letter from
                                  United States Commissioner Professor R.
                                  H. Thurston  . . . . . . . . . . . . . . 197--197
                      Anonymous   Improved Railroad Hand Brake . . . . . . 198--198
                      Anonymous   Combined Spade and Fork  . . . . . . . . 198--198
                      Anonymous   Combined Water and Pressure Gage . . . . 198--198
                      Anonymous   Improved Clutch Drill  . . . . . . . . . 199--199
                      Anonymous   Down Hall, near Harlow, Essex, England   199--199
                   Henry Morton   The Magic Lantern as a Means of
                                  Demonstration  . . . . . . . . . . . . . 200--201
                      Anonymous   Vienna Premiums Again and the American
                                  Sewing Machines  . . . . . . . . . . . . 201--201
                      Anonymous   Recent American and Foreign Patents  . . 201--202
                      Anonymous   Answer to Correspondents . . . . . . . . 203--203
                      Anonymous   Communications Received  . . . . . . . . 203--203

Scientific American
Volume 29, Number 14, October 4, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 212--212
                      Anonymous   Books: New Books and Publications  . . . 217--217
                      Anonymous   Business and Personal  . . . . . . . . . 219--219
                      Anonymous   Notes and Queries  . . . . . . . . . . . 219--219
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--220
                      Anonymous   Diamond Cutting --- A New Industry in
                                  New York . . . . . . . . . . . . . . . . 207--207
                      Anonymous   Specific Heat  . . . . . . . . . . . . . 208--208
                      Anonymous   Camphor  . . . . . . . . . . . . . . . . 208--208
                      Anonymous   Crude Petroleum for Fuel and for
                                  Illuminating Gas . . . . . . . . . . . . 208--209
                      Anonymous   Rescue of the Remaining Survivors of the
                                  Polaris  . . . . . . . . . . . . . . . . 209--209
                      Anonymous   The Fair of the American Institute . . . 209--209
                      Anonymous   The Planet Mars --- Is it Inhabited? . . 210--210
                      Anonymous   A Simple Tree Protector  . . . . . . . . 210--211
                      Anonymous   Self-Tightening Drill Chuck  . . . . . . 211--211
                      Anonymous   Calfskin Tanning in Europe . . . . . . . 211--211
                      Anonymous   The Great Exposition --- Letter from
                                  United States Commissioner Professor R.
                                  H. Thurston  . . . . . . . . . . . . . . 213--213
                      Anonymous   Automatic Railroad Gate and Signal . . . 214--214
                      Anonymous   The Danbury Drill Chuck  . . . . . . . . 214--214
                      Anonymous   Improved Plow Attachment . . . . . . . . 214--214
                      Anonymous   Recent American and Foreign Patents  . . 217--218
                      Anonymous   Answer to Correspondents . . . . . . . . 219--220
                      Anonymous   Communications Received  . . . . . . . . 220--220

Scientific American
Volume 29, Number 15, October 11, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 228--228
                      Anonymous   Business and Personal  . . . . . . . . . 234--234
                      Anonymous   Notes and Queries  . . . . . . . . . . . 234--234
                      Anonymous   Index of Inventions  . . . . . . . . . . 235--236
                      Anonymous   Improved Variable Cut-Off  . . . . . . . 223--223
                      Anonymous   The Financial Crisis . . . . . . . . . . 224--224
                      Anonymous   Discovery of an Old Boot and Shoe Sewing
                                  Machine Patent . . . . . . . . . . . . . 224--224
                      Anonymous   How Pianos are Injured . . . . . . . . . 224--224
                      Anonymous   Sand and Mud Baths . . . . . . . . . . . 224--224
                      Anonymous   The Mechanics of the Brain . . . . . . . 224--225
                      Anonymous   Scientific and Practical Information . . 225--225
                      Anonymous   The Fair of the American Institute . . . 225--225
                      Anonymous   Improved Boring Machine  . . . . . . . . 226--226
                      Anonymous   Checker Lozenge Package  . . . . . . . . 226--226
                      Anonymous   Sprague's Combined Sash Lock, Sash
                                  Holder, and Weather Strip  . . . . . . . 226--226
                      Anonymous   The Evaporation of Water by Plants . . . 227--228
                      Anonymous   Up the Amazons . . . . . . . . . . . . . 228--228
                      Anonymous   Letter from United States Commissioner
                                  Professor R. H. Thurston . . . . . . . . 229--229
                      Anonymous   Combined Hay Rake and Tedder . . . . . . 230--230
                      Anonymous   Improved Combined Roller and Irrigator   230--230
                      Anonymous   Improved Match Plane . . . . . . . . . . 231--231
                      Anonymous   The Globe Steam Gage . . . . . . . . . . 231--232
                      Anonymous   Improved Shoemaker's Pinchers  . . . . . 232--232
                      Anonymous   Ventilation of Sewers  . . . . . . . . . 232--232
                      Anonymous   Recent American and Foreign Patents  . . 232--233
                      Anonymous   Answers to Correspondents  . . . . . . . 234--235
                      Anonymous   Communications Received  . . . . . . . . 235--235
                      Anonymous   American Iron Works  . . . . . . . . . . 236--236

Scientific American
Volume 29, Number 16, October 18, 1873

                      Anonymous   Business and Personal  . . . . . . . . . 250--250
                      Anonymous   Notes and Queries  . . . . . . . . . . . 250--250
                      Anonymous   Index of Inventions  . . . . . . . . . . 252--252
                      Anonymous   Hill Side Railway  . . . . . . . . . . . 239--240
                      Anonymous   Patent Planing Machine Litigation  . . . 240--240
                      Anonymous   The Panic Over . . . . . . . . . . . . . 240--240
                      Anonymous   Puddle Walls . . . . . . . . . . . . . . 240--240
                      Anonymous   The Fireless Locomotive  . . . . . . . . 240--240
                      Anonymous   The Art of Inventing . . . . . . . . . . 241--241
                      Anonymous   Manufacture of Artificial Butter in New
                                  York . . . . . . . . . . . . . . . . . . 241--241
                      Anonymous   Scientific and Practical Information . . 241--241
                      Anonymous   The Fair of the American Institute . . . 241--241
                      Anonymous   Improved Car Brake . . . . . . . . . . . 242--242
                      Anonymous   Improved Animal Trap . . . . . . . . . . 242--242
                      Anonymous   The Fossil Man of Mentone  . . . . . . . 243--243
                      Anonymous   A New Deep Sea Sounding Instrument . . . 243--243
                      Anonymous   The Fecundation of Flowers by Insects    243--244
                      Anonymous   Up the Amazons . . . . . . . . . . . . . 244--245
              Gaston Plante and   
            Alf. Maudet-Breguet   Note on an Electro-Dynamic Experiment    245--245
                      Anonymous   Manufacture of Artificial Butter in New
                                  York . . . . . . . . . . . . . . . . . . 246--248
                      Anonymous   Letter from United States Commissioner
                                  Professor R. H. Thurston . . . . . . . . 248--249
                      Anonymous   Recent American and Foreign Patents  . . 249--249
                      Anonymous   Answers to Correspondents  . . . . . . . 250--251
                      Anonymous   Communications Received  . . . . . . . . 251--251

Scientific American
Volume 29, Number 17, October 25, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 260--261
                      Anonymous   Books: New Books and Publications  . . . 265--265
                      Anonymous   Business and Personal  . . . . . . . . . 266--266
                      Anonymous   Notes and Queries  . . . . . . . . . . . 266--266
                      Anonymous   Index of Inventions  . . . . . . . . . . 267--267
                      Anonymous   Apparatus for Emptying Cesspools . . . . 255--256
                      Anonymous   Technical Research and Education . . . . 256--256
                      Anonymous   The Vienna Prizes  . . . . . . . . . . . 256--256
                      Anonymous   Failure No. 2 of the Balloon to Europe   256--256
                      Anonymous   Caoutchouc from Common Plants  . . . . . 256--257
                      Anonymous   Recent Gunnery Trials  . . . . . . . . . 257--257
                      Anonymous   Crude Petroleum for Fuel . . . . . . . . 257--257
                      Anonymous   Street Pavements . . . . . . . . . . . . 257--257
                      Anonymous   Curiosities of Butter and Churning . . . 257--257
                      Anonymous   Scientific and Practical Information . . 257--257
                      Anonymous   Inextinguishable Fire for Life Buoys . . 258--258
                      Anonymous   The English Steam Launch Firefly . . . . 258--259
                      Anonymous   Peripolar Induction  . . . . . . . . . . 259--259
                      Anonymous   Demming's Grown Sash Fastener  . . . . . 259--259
                      Anonymous   Improved Press for Fruit, Lard Etc.  . . 259--260
                      Anonymous   That Ancient Sewing Machine  . . . . . . 260--260
                 R. H. Thurston   Letter from United States Commissioner   261--261
                      Anonymous   Palmer's Power Spring Hammer . . . . . . 262--262
                      Anonymous   Improved Railroad Switch . . . . . . . . 262--262
                      Anonymous   A Forty Thousand Dollar Cow  . . . . . . 263--263
                      Anonymous   Helicoidal Concavo--Convex Propeller . . 263--263
                      Anonymous   Meeting of the British Association . . . 264--264
                      Anonymous   Rare Chance to Advertisers . . . . . . . 264--264
                      Anonymous   A Valuble Drafting Instrument  . . . . . 264--264
                      Anonymous   Recent American and Foreign Patents  . . 265--265
                      Anonymous   Answers to Correspondents  . . . . . . . 266--266
                      Anonymous   Communications Received  . . . . . . . . 266--266

Scientific American
Volume 29, Number 18, November 1, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 275--277
                      Anonymous   Business and Personal  . . . . . . . . . 282--282
                      Anonymous   Joseph Gillott . . . . . . . . . . . . . 271--272
                      Anonymous   Secret Societies Among College Students  272--272
                      Anonymous   Progress of Patents  . . . . . . . . . . 272--272
                      Anonymous   Wood and Straw Paper Making in France    272--272
                      Anonymous   Two Interesting Discoveries  . . . . . . 272--272
                      Anonymous   New Order by the Commissioner of Patents 272--272
                      Anonymous   Petroleum and Pine Tar Gases . . . . . . 272--273
                      Anonymous   Scientific and Practical Information . . 273--273
                      Anonymous   The British Association  . . . . . . . . 273--273
                      Anonymous   Feeding and Watering Cattle in Railroad
                                  Cars . . . . . . . . . . . . . . . . . . 274--274
                      Anonymous   Circular Ships . . . . . . . . . . . . . 275--275
                 R. H. Thurston   Letter from United States Commissioner   277--277
                      Anonymous   Automatic Car Coupling . . . . . . . . . 278--278
                      Anonymous   Cummings' Improved Mill Pick . . . . . . 278--278
                      Anonymous   Hamilton's Continuous Self Feeding
                                  Permeator  . . . . . . . . . . . . . . . 278--278
                      Anonymous   Improved Lubricator  . . . . . . . . . . 279--279
                      Anonymous   The Japanese Department at Vienna  . . . 279--279
                      Anonymous   Potato Blight and Rot  . . . . . . . . . 279--280
                      Anonymous   The New Exploration of the Amazon River,
                                  by Professor Orton, --- Up the Amazons   280--281
                      Anonymous   Recent American and Foreign Patents  . . 281--281
                      Anonymous   Answers to Correspondents  . . . . . . . 282--283
                      Anonymous   Communications Received  . . . . . . . . 283--283
                      Anonymous   Index of Inventions  . . . . . . . . . . 283--284

Scientific American
Volume 29, Number 19, November 8, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 292--292
                      Anonymous   Business and Personal  . . . . . . . . . 299--299
                      Anonymous   Notes and Queries  . . . . . . . . . . . 299--299
                      Anonymous   Index of Inventions  . . . . . . . . . . 300--300
                      Anonymous   Improved Standard Compress . . . . . . . 287--288
                      Anonymous   The Electrical Condenser . . . . . . . . 288--288
                      Anonymous   Progress of Scientific Education . . . . 288--288
                      Anonymous   The State of the Iron Trade  . . . . . . 288--288
                      Anonymous   Elastic Profanity  . . . . . . . . . . . 288--289
                      Anonymous   The Late Dr Nelaton  . . . . . . . . . . 289--289
                      Anonymous   Scientific and Practical Information . . 289--289
                      Anonymous   The British Association  . . . . . . . . 289--290
                      Anonymous   Proposed Addition to the Harbor Works at
                                  Dover England  . . . . . . . . . . . . . 291--291
                      Anonymous   The Three Cylinder Engine  . . . . . . . 291--292
                      Anonymous   Letter from United States Commissioner
                                  Professor R. H. Thurston . . . . . . . . 293--293
                      Anonymous   Fruit and Vegetable Slicer . . . . . . . 294--294
                      Anonymous   Tent Attachment for Life Boats . . . . . 294--294
                      Anonymous   Planer-Toothed Saw and Adjustable Iswage 294--294
                      Anonymous   Safety Railway Switches  . . . . . . . . 294--294
                      Anonymous   Improved Furnace for Buildings . . . . . 295--295
                      Anonymous   Lloyd's Car Coupling . . . . . . . . . . 295--295
                      Anonymous   The New Exploration of the Amazon River,
                                  by Professor Orton. --- Up the Amazons   296--296
                      Anonymous   Astronomical Notes . . . . . . . . . . . 297--297
                      Anonymous   Recent American and foreign patents  . . 297--298
                      Anonymous   Answers to Correspondents  . . . . . . . 299--300
                      Anonymous   Communications Received  . . . . . . . . 300--300

Scientific American
Volume 29, Number 20, November 15, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 308--308
                      Anonymous   Business and Personal  . . . . . . . . . 315--315
                      Anonymous   Notes and Queries  . . . . . . . . . . . 315--315
                      Anonymous   Index of Inventions  . . . . . . . . . . 316--316
                      Anonymous   Holborn Viaduct Subways  . . . . . . . . 303--303
                      Anonymous   The Panic and the Laboring Classes . . . 304--304
                      Anonymous   The Progress of the Hell Gate
                                  Excavations  . . . . . . . . . . . . . . 304--304
                      Anonymous   A Recent Improvement in Gas Making . . . 304--304
                      Anonymous   Postal Science . . . . . . . . . . . . . 304--304
                      Anonymous   On the Molecular Changes Produced by
                                  Variations of Temperature  . . . . . . . 304--305
                      Anonymous   Medical Science in Court . . . . . . . . 305--305
                      Anonymous   The Government Boiler Tests  . . . . . . 305--305
                      Anonymous   Scientific and Practical Information . . 305--305
                      Anonymous   American Lighthouses . . . . . . . . . . 306--306
                      Anonymous   A New Improvement in Gas Manufacture . . 307--308
                      Anonymous   American Academy of Sciences . . . . . . 309--309
                      Anonymous   Improved Frost Log Dog . . . . . . . . . 310--310
                      Anonymous   Combination Corn Sheller Boot Jack Etc.  310--310
                      Anonymous   Lightning Sheep Shears . . . . . . . . . 310--310
                      Anonymous   The Great Bridge at St Louis . . . . . . 311--313
                      Anonymous   Recent American and Foreign Patents  . . 313--314
                      Anonymous   Answers to Correspondents  . . . . . . . 315--316
                      Anonymous   Communications Received  . . . . . . . . 316--316

Scientific American
Volume 29, Number 21, November 22, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 324--324
                      Anonymous   Books: New Books and Publications  . . . 330--330
                      Anonymous   Business and Personal  . . . . . . . . . 331--331
                      Anonymous   Notes and Queries  . . . . . . . . . . . 331--331
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   Improved Manufacture of Artificial Fuel  319--320
                      Anonymous   What to Do in Hard Times . . . . . . . . 320--320
                      Anonymous   A Great ``Lick'' in Astronomy --- The
                                  Million Dollar Telescope Provided for    320--321
                      Anonymous   English Printing Presses in America  . . 321--321
                      Anonymous   The November Meteors . . . . . . . . . . 321--321
                      Anonymous   Decorated Scientists . . . . . . . . . . 321--321
                      Anonymous   Ramming the Mold . . . . . . . . . . . . 322--322
                      Anonymous   Postal Telegraph Carriage  . . . . . . . 323--323
                      Anonymous   Steam Traveling Cranes at the Vienna
                                  Exposition . . . . . . . . . . . . . . . 323--323
                      Anonymous   Quantitative Spectrum Analysis . . . . . 325--325
                      Anonymous   Improved Fireproof Construction  . . . . 326--326
                      Anonymous   Anthon's Sewer Gas Trap  . . . . . . . . 326--326
                      Anonymous   A Mansion and Museum Combined  . . . . . 327--328
                      Anonymous   American Academy of Sciences . . . . . . 328--329
                      Anonymous   Scientific and Practical Information . . 329--329
                      Anonymous   Recent American and Foreign Patents  . . 329--330
                      Anonymous   Answers to Correspondents  . . . . . . . 331--332
                      Anonymous   Communications Received  . . . . . . . . 332--332

Scientific American
Volume 29, Number 22, November 29, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 340--340
                      Anonymous   Business and Personal  . . . . . . . . . 347--347
                      Anonymous   Notes and Queries  . . . . . . . . . . . 347--347
                      Anonymous   Index of Inventions  . . . . . . . . . . 348--349
                      Anonymous   The K. M. I. Steam Engine  . . . . . . . 335--335
                      Anonymous   The Value of Patents . . . . . . . . . . 336--336
                      Anonymous   A New and Important Discovery Relating
                                  to the Behavior of Metals Under Stress   336--336
                      Anonymous   Patents for Simple Things  . . . . . . . 336--336
                      Anonymous   Boston Rebuilt . . . . . . . . . . . . . 336--337
                      Anonymous   Physical and Mental Over-Culture . . . . 337--337
                      Anonymous   Boiler Explosion . . . . . . . . . . . . 337--337
                      Anonymous   Phosphor-Bronze  . . . . . . . . . . . . 337--337
                      Anonymous   Scientific and Practical Information . . 337--337
                      Anonymous   Improved Churning Apparatus  . . . . . . 338--338
                      Anonymous   Bartholomew's Improved Torch . . . . . . 338--339
                      Anonymous   Pardee Hall and Its Founder  . . . . . . 339--339
                      Anonymous   Whitehead's Combination Tool . . . . . . 339--340
                 S. P. Sharples   Laboratory Notes . . . . . . . . . . . . 340--340
                      Anonymous   Prizes for Improvements  . . . . . . . . 341--341
                      Anonymous   Improved Turbine Wheel Governor  . . . . 342--342
                      Anonymous   Gas Bracket Match Safe . . . . . . . . . 342--342
                      Anonymous   Blacksmith's Measuring Wheel . . . . . . 343--343
                      Anonymous   The Black Necked Swan  . . . . . . . . . 343--344
                      Anonymous   The Deep Injection of Chloroform . . . . 344--344
                      Anonymous   Science and Health . . . . . . . . . . . 345--345
                      Anonymous   Recent American and Foreign Patents  . . 345--346
                      Anonymous   Answers to Correspondents  . . . . . . . 347--348
                      Anonymous   Communications Received  . . . . . . . . 348--348

Scientific American
Volume 29, Number 23, December 6, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 356--356
                      Anonymous   Business and Personal  . . . . . . . . . 363--363
                      Anonymous   Index of Inventions  . . . . . . . . . . 364--365
                      Anonymous   Recent Progress in Electromagnetism  . . 351--352
                      Anonymous   New York and the Centennial  . . . . . . 352--352
                      Anonymous   The Signal Service Report  . . . . . . . 352--352
                      Anonymous   Recent Experiments with Diamonds . . . . 353--353
                      Anonymous   Photography of the Invisible . . . . . . 353--353
                      Anonymous   Science in the Kitchen . . . . . . . . . 353--353
                      Anonymous   Scientific and Practical Information . . 353--354
                      Anonymous   The Tom Thumb Telegraph  . . . . . . . . 354--354
                      Anonymous   The Miniature Telegraph  . . . . . . . . 354--354
                      Anonymous   The Challenge Reversible Rotary Hoisting
                                  Machine  . . . . . . . . . . . . . . . . 355--355
                      Anonymous   Subjects for Engineering Papers  . . . . 356--356
               F. A. P. Barnard   The Germ Theory and Its Relations to
                                  Hygiene  . . . . . . . . . . . . . . . . 357--357
                      Anonymous   Improved Box Corner Grooving Machine . . 358--358
                      Anonymous   The Yucca Pendula  . . . . . . . . . . . 358--359
                      Anonymous   The Pashiuba Palm of Brazil  . . . . . . 359--359
                      Anonymous   Astronomical Notes . . . . . . . . . . . 360--360
                    C. A. Young   The Nebulæ  . . . . . . . . . . . . . . . 360--360
                      Anonymous   Decisions of the Courts  . . . . . . . . 361--361
                      Anonymous   Recent American and Foreign Patents  . . 361--362
                      Anonymous   Answers to Correspondence  . . . . . . . 363--364
                      Anonymous   Communications Received  . . . . . . . . 364--364

Scientific American
Volume 29, Number 24, December 13, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 372--372
                      Anonymous   Business and Personal  . . . . . . . . . 379--379
                      Anonymous   Index of Inventions  . . . . . . . . . . 380--380
                      Anonymous   Aschenbrenner's Improved Sugar-Making
                                  Process  . . . . . . . . . . . . . . . . 367--367
                      Anonymous   A Word to Our Subscribers  . . . . . . . 368--368
                      Anonymous   Better Times . . . . . . . . . . . . . . 368--368
                      Anonymous   On the Purchase of Patents . . . . . . . 368--368
                      Anonymous   Concerning a Telescope of Unlimited
                                  Power  . . . . . . . . . . . . . . . . . 368--369
                      Anonymous   The Protection of Plants by Artificial
                                  Clouds . . . . . . . . . . . . . . . . . 369--369
                      Anonymous   Eloquence and Patent Fuel  . . . . . . . 369--369
                      Anonymous   The Suppressed Member  . . . . . . . . . 369--369
                      Anonymous   Scientific and Practical Information . . 369--369
                      Anonymous   The Iron Works at Merthyr Tyndall, South
                                  Wales  . . . . . . . . . . . . . . . . . 370--370
                      Anonymous   The Baby Hippopotamus' Birthday  . . . . 370--370
                      Anonymous   Flax and its Preparation . . . . . . . . 371--371
                      Anonymous   The \em Oreodoxa Regia Palm  . . . . . . 371--371
                      Anonymous   Completion of the Hoosac Tunnel  . . . . 372--372
                      Anonymous   Improvements in the Ventilation of the
                                  United States Senate Chamber . . . . . . 372--372
                      Anonymous   The Uses of Nickel . . . . . . . . . . . 372--372
                      Anonymous   The Savings of Science . . . . . . . . . 373--373
                      Anonymous   Combined Snow and Earth Shovel and Plow  374--374
                      Anonymous   Dunning's Improved Pipe Coupling . . . . 374--374
                      Anonymous   Apparatus for Filtering and Rectifying
                                  Spirits  . . . . . . . . . . . . . . . . 374--374
                      Anonymous   The Cocuyo . . . . . . . . . . . . . . . 375--375
                      Anonymous   The Brighton Aquarium  . . . . . . . . . 375--375
               F. A. P. Barnard   The Germ Theory and its Relations to
                                  Hygiene  . . . . . . . . . . . . . . . . 376--377
                      Anonymous   A Practical System for the Sale of
                                  Patents  . . . . . . . . . . . . . . . . 377--377
                      Anonymous   Decisions of the Courts  . . . . . . . . 378--378
                      Anonymous   Recent American and Foreign Patents  . . 378--378
                      Anonymous   Answers to Correspondents  . . . . . . . 379--380
                      Anonymous   Communications Received  . . . . . . . . 380--380

Scientific American
Volume 29, Number 25, December 20, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 388--389
                      Anonymous   Books: New Books and Publications  . . . 394--394
                      Anonymous   Business and Personal  . . . . . . . . . 395--395
                      Anonymous   Index of Inventions  . . . . . . . . . . 395--396
                      Anonymous   The Jamin Magnet . . . . . . . . . . . . 383--384
                      Anonymous   Publishers' Card . . . . . . . . . . . . 384--384
                      Anonymous   The Loss of the Ville Du Havre . . . . . 384--384
                      Anonymous   A Steam Snow Melter  . . . . . . . . . . 384--384
                      Anonymous   A New Fuel --- Carbonite . . . . . . . . 384--384
                      Anonymous   The Coal Tar Interest  . . . . . . . . . 384--385
                      Anonymous   Recent Ordnance Trials . . . . . . . . . 385--385
                      Anonymous   Scientific and Practical Information . . 385--385
                      Anonymous   Albinism Among Birds . . . . . . . . . . 386--386
                      Anonymous   Improved Coffee Pot  . . . . . . . . . . 386--386
                      Anonymous   The Hull Dock Company's New Offices  . . 387--388
                      Anonymous   The Universal Boring Machine . . . . . . 390--390
                      Anonymous   Combined Cooking, Heating, and Drying
                                  Apparatus  . . . . . . . . . . . . . . . 390--390
                      Anonymous   Design for a Conservatory  . . . . . . . 391--391
               F. A. P. Barnard   The Germ Theory and Its Relations to
                                  Hygiene  . . . . . . . . . . . . . . . . 392--393
                      Anonymous   Decisions of the Courts  . . . . . . . . 393--393
                      Anonymous   Recent American and Foreign Patents  . . 393--394
                      Anonymous   Answers to Correspondents  . . . . . . . 395--395
                      Anonymous   Communications Received  . . . . . . . . 395--395
                      Anonymous   Canadian Patents . . . . . . . . . . . . 396--396

Scientific American
Volume 29, Number 26, December 27, 1873

                      Anonymous   Correspondence . . . . . . . . . . . . . 404--404
                      Anonymous   Business and Personal  . . . . . . . . . 409--409
                      Anonymous   Index of Inventions  . . . . . . . . . . 410--410
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 411--412
                   J. F. Gesner   The Manufacture of Plaster of Paris  . . 399--400
                      Anonymous   Publishers' Card . . . . . . . . . . . . 400--400
                      Anonymous   Measurement of the Initial Velocity of
                                  Projectiles  . . . . . . . . . . . . . . 400--400
                      Anonymous   The Practical Aspect of the Eight Hour
                                  Law  . . . . . . . . . . . . . . . . . . 400--401
                      Anonymous   Jonah and the Belgian Academy  . . . . . 401--401
                      Anonymous   Hints for Cheap Floral Decoration  . . . 401--401
                      Anonymous   An Easy Telegraph Code . . . . . . . . . 401--401
                      Anonymous   Death of Professor Agassiz . . . . . . . 401--401
                      Anonymous   The Weeping Sophora of Japan . . . . . . 402--402
                      Anonymous   Friction Geared Centrifugal Pump . . . . 402--402
                      Anonymous   The Automatic Taper Lamp . . . . . . . . 402--402
                      Anonymous   An Automaton Transit of Venus  . . . . . 403--403
                      Anonymous   Recent Geographical Notes  . . . . . . . 403--403
                      Anonymous   Careless Plumbing  . . . . . . . . . . . 403--403
                      Anonymous   The Atmospheric Railway in London  . . . 404--405
                      Anonymous   Scientific and Practical Information . . 405--405
                      Anonymous   The Crystal Self-Acting Table Fountain   406--406
                      Anonymous   Combined Extension Measuring Rod and
                                  Divider  . . . . . . . . . . . . . . . . 406--406
                      Anonymous   Toy Gymnast  . . . . . . . . . . . . . . 406--406
                      Anonymous   Moistening Device for Lame Animals . . . 406--406
                      Anonymous   Chinese Fresh Water Fish . . . . . . . . 407--408
                      Anonymous   Recent American and Foreign Patents  . . 408--408
                      Anonymous   Answers to Correspondents  . . . . . . . 409--409
                      Anonymous   Communications Received  . . . . . . . . 410--410
                      Anonymous   Canadian Patents . . . . . . . . . . . . 410--411


Scientific American
Volume 30, Number 1, January 3, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 7--7
                      Anonymous   Books: New Books and Publications  . . . 9--9
                      Anonymous   Business and Personal  . . . . . . . . . 11--11
                      Anonymous   Index of Inventions  . . . . . . . . . . 12--12
                      Anonymous   The Augsburg Web Printing Press  . . . . 1--1
                      Anonymous   Louis Agassiz  . . . . . . . . . . . . . 2--2
                      Anonymous   Look to Your Stoves  . . . . . . . . . . 2--2
                      Anonymous   The Report of the Chief Engineer of the
                                  Navy . . . . . . . . . . . . . . . . . . 2--3
                      Anonymous   The Manufacture of Earthenware . . . . . 3--3
                 R. H. Thurston   Note Relative to the Estimation of the
                                  Commercial Value of Coals Containing
                                  Large Quantities of Ash  . . . . . . . . 3--3
                      Anonymous   The Albert Iron Bridge . . . . . . . . . 4--5
                      Anonymous   Worcester Japanese Porcelain at Vienna   5--5
                      Anonymous   Improved Furniture Casters . . . . . . . 6--6
                      Anonymous   Automatic Brake  . . . . . . . . . . . . 6--6
                      Anonymous   Improved Plow  . . . . . . . . . . . . . 6--6
                      Anonymous   Samuel Nelson  . . . . . . . . . . . . . 7--7
                      Anonymous   Scientific and Practical Information . . 7--7
                      Anonymous   Astronomical Notes . . . . . . . . . . . 8--8
                      Anonymous   Decisions of the Courts  . . . . . . . . 9--9
                      Anonymous   Commissioner's Decisions . . . . . . . . 9--9
                      Anonymous   Value of Patents, and How to Obtain Them 9--9
                      Anonymous   Recent American and Foreign Patents  . . 10--10
                      Anonymous   Answers to Correspondents  . . . . . . . 11--11
                      Anonymous   Communications Received  . . . . . . . . 12--12
                      Anonymous   Canadian Patents . . . . . . . . . . . . 12--12
                      Anonymous   How to Obtain Patents and Caveats in
                                  Canada . . . . . . . . . . . . . . . . . 12--12

Scientific American
Volume 30, Number 2, January 10, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 20--20
                      Anonymous   Books: New Books and Publications  . . . 25--25
                      Anonymous   Business and Personal  . . . . . . . . . 27--27
                      Anonymous   Index of Inventions  . . . . . . . . . . 28--28
                      Anonymous   The Hotchkiss Cannon Revolver  . . . . . 15--16
                      Anonymous   New Patent Conventions . . . . . . . . . 16--16
                      Anonymous   The Prime Movers and Their Recent
                                  Progress . . . . . . . . . . . . . . . . 16--17
                      Anonymous   Progress of the Centennial . . . . . . . 17--17
                      Anonymous   Expert Engineering . . . . . . . . . . . 17--17
                      Anonymous   To Our Subscribers . . . . . . . . . . . 17--17
                      Anonymous   Improved Portable Fence  . . . . . . . . 18--18
                      Anonymous   Improved Trotting Gear . . . . . . . . . 18--18
                      Anonymous   Improved Atomizer  . . . . . . . . . . . 18--18
                      Anonymous   Improved Tool Holder . . . . . . . . . . 18--18
                      Anonymous   Scientific and Practical Information . . 19--19
                      Anonymous   Metaline . . . . . . . . . . . . . . . . 19--19
                      Anonymous   Alumina, from the Clay to the Sapphire   20--21
                      Anonymous   Inside a Church Organ  . . . . . . . . . 21--21
                      Anonymous   Barrow in Furness, Lancashire, England   22--23
                      Anonymous   The New Exploration of the Amazon River,
                                  by Professor Orton. --- Over the Andes   24--24
                      Anonymous   Decisions of the Courts  . . . . . . . . 25--25
                      Anonymous   Value of Patents, and How to Obtain Them 25--25
                      Anonymous   Recent American and Foreign Patents  . . 25--26
                      Anonymous   Answers to Correspondents  . . . . . . . 27--28
                      Anonymous   Communications Received  . . . . . . . . 28--28
                      Anonymous   Canadian Patents . . . . . . . . . . . . 28--28
                      Anonymous   How to Obtain Patents and Caveats in
                                  Canada . . . . . . . . . . . . . . . . . 28--29

Scientific American
Volume 30, Number 3, January 17, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 36--36
                      Anonymous   Books: New Books and Publications  . . . 41--41
                      Anonymous   Business and Personal  . . . . . . . . . 43--43
                      Anonymous   Index of Inventions  . . . . . . . . . . 44--44
                      Anonymous   The New State Capitol at Hartford, Conn  31--31
                      Anonymous   The Vienna Exhibition and its Results    32--32
                      Anonymous   Patent Office Printing . . . . . . . . . 32--32
                      Anonymous   Science Record for 1874  . . . . . . . . 32--32
                      Anonymous   The Value of a Kernel of Corn  . . . . . 32--33
                      Anonymous   The Prime Movers and their Recent
                                  Progress . . . . . . . . . . . . . . . . 33--33
                      Anonymous   Obituary . . . . . . . . . . . . . . . . 33--33
                      Anonymous   Improved Tramway and Vehicle . . . . . . 34--34
                      Anonymous   Prosper Henry's Comet  . . . . . . . . . 34--34
                Edward M. Grant   The Wilson Process for Making Wrought
                                  Iron Direct from the Ore . . . . . . . . 35--35
                      Anonymous   A New Steam Omnibus and Street Car . . . 35--36
                      Anonymous   Alumina, from the Clay to the Sapphire   36--37
                       Thurston   Testing the Quality of Iron, Steel, and
                                  Other Metals, without Special Apparatus  38--39
                      Anonymous   Improved Pruning Shears  . . . . . . . . 39--39
                      Anonymous   Improved Nut Lock  . . . . . . . . . . . 39--39
                      Anonymous   Starr's Cotton Bale Fastener . . . . . . 39--39
                      Anonymous   The New Exploration of the Amazon River,
                                  by Professor Orton. --- Over the Andes   40--40
                      Anonymous   Scientific and Practical Information . . 41--41
                      Anonymous   Decisions of the Courts  . . . . . . . . 41--41
                      Anonymous   Value of Patents, and How to Obtain Them 41--41
                      Anonymous   Recent American and Foreign Patents  . . 41--42
                      Anonymous   Answers to Correspondents  . . . . . . . 43--43
                      Anonymous   Communications Received  . . . . . . . . 43--43
                      Anonymous   Canadian Patents . . . . . . . . . . . . 44--44
                      Anonymous   How to Obtain Patents and Caveats in
                                  Canada . . . . . . . . . . . . . . . . . 44--44

Scientific American
Volume 30, Number 4, January 24, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 52--53
                      Anonymous   Business and Personal  . . . . . . . . . 58--58
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   The Utilization of Iron Pyrites  . . . . 48--48
                      Anonymous   The Influence of Cargoes of Machinery
                                  and Hardware on Ships' Compasses . . . . 48--48
                      Anonymous   New Iron Alloys  . . . . . . . . . . . . 48--49
                      Anonymous   Auguste De La Rive . . . . . . . . . . . 49--49
                      Anonymous   Death in the School Room . . . . . . . . 49--49
                      Anonymous   To Our Friends . . . . . . . . . . . . . 49--49
                      Anonymous   Scientific and Practical Information . . 49--49
                      Anonymous   The Centennial Tower One Thousand Feet
                                  High . . . . . . . . . . . . . . . . . . 50--50
                      Anonymous   Recent Iron Bridge Construction  . . . . 51--51
                      Anonymous   Wardwell's Adjustable Bench Jack . . . . 54--54
                      Anonymous   Improved Cooking Vessel  . . . . . . . . 54--54
                      Anonymous   Improved Mallet  . . . . . . . . . . . . 54--54
                      Anonymous   A Simple Freezing Machine  . . . . . . . 54--54
                      Anonymous   A Modern Orchid House  . . . . . . . . . 55--55
                      Anonymous   The New Exploration of the Amazon River,
                                  by Professor Orton. --- Over the Andes   56--56
                      Anonymous   Decisions of the Courts  . . . . . . . . 56--56
                      Anonymous   Recent American and Foreign Patents  . . 56--57
                      Anonymous   Answers to Correspondents  . . . . . . . 58--59
                      Anonymous   Communications Received  . . . . . . . . 59--59
                      Anonymous   Value of Patents and How to Obtain Them  60--60
                      Anonymous   How to Obtain Patents and Caveats in
                                  Canada . . . . . . . . . . . . . . . . . 60--60

Scientific American
Volume 30, Number 5, January 31, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 68--69
                      Anonymous   Books: New Books and Publications  . . . 74--74
                      Anonymous   Business and Personal  . . . . . . . . . 75--75
                      Anonymous   Index of Inventions  . . . . . . . . . . 76--76
                      Anonymous   The East River Bridge  . . . . . . . . . 63--64
                      Anonymous   Indicating Steam Engines . . . . . . . . 64--64
                      Anonymous   Dr. Henry Draper's Recent Discoveries in
                                  Spectroscopic Analysis . . . . . . . . . 64--64
                      Anonymous   Gail Borden  . . . . . . . . . . . . . . 64--64
                      Anonymous   Steam on Canals  . . . . . . . . . . . . 64--65
                      Anonymous   A Year's Inventive Progress  . . . . . . 65--65
                      Anonymous   Proceedings of the Patent Convention . . 65--65
                      Anonymous   Psychic Force  . . . . . . . . . . . . . 65--65
                      Anonymous   Scientific and Practical Information . . 65--65
                      Anonymous   Electro-Plating Balance  . . . . . . . . 66--66
                      Anonymous   The Yama-Mai, or Oak Tree Silkworm . . . 66--66
                      Anonymous   Hydraulic Engineering Extraordinary  . . 67--67
                      Anonymous   The Canopus Stone  . . . . . . . . . . . 67--68
                    Tames Orton   The Silver Mines of Peru . . . . . . . . 69--69
                      Anonymous   Improved Patent Candy Cutter . . . . . . 70--70
                      Anonymous   Improved Furnace Bridge Wall . . . . . . 70--70
                      Anonymous   The Baffle Drill-Proof Safe  . . . . . . 70--70
                      Anonymous   Overhead Steam Cranes for Dock Purposes  71--72
                      Anonymous   Decisions of the Courts  . . . . . . . . 72--72
                      Anonymous   Recent American Foreign Patents  . . . . 73--74
                      Anonymous   Answers Correspondents . . . . . . . . . 75--76
                      Anonymous   Communications Received  . . . . . . . . 76--76
                      Anonymous   Canadian Patents . . . . . . . . . . . . 76--76

Scientific American
Volume 30, Number 6, February 7, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 84--84
                      Anonymous   Books: New Books and Publications  . . . 88--88
                      Anonymous   Business and Personal  . . . . . . . . . 90--90
                      Anonymous   Index of Inventions  . . . . . . . . . . 91--92
                      Anonymous   The Gatling Gun  . . . . . . . . . . . . 79--80
                      Anonymous   Importance of Advertising  . . . . . . . 80--80
                      Anonymous   Is Vitality Vital? . . . . . . . . . . . 80--80
                      Anonymous   The Dover and Calais Tunnel  . . . . . . 80--80
                      Anonymous   The Siamese Twins  . . . . . . . . . . . 80--81
                      Anonymous   The One Hundred Thousand Dollar Canal
                                  Reward . . . . . . . . . . . . . . . . . 81--81
                      Anonymous   The Turner Car Brake --- Application for
                                  an Extension . . . . . . . . . . . . . . 81--81
                      Anonymous   The New England Association of Inventors
                                  and Patent Owners  . . . . . . . . . . . 81--81
                      Anonymous   The Philosophy of the Sand Blast . . . . 81--81
                      Anonymous   Scientific and Practical Information . . 81--81
                      Anonymous   Professor Coffin . . . . . . . . . . . . 82--82
                      Anonymous   Utilization of Copper Scraps in Electro
                                  Plating  . . . . . . . . . . . . . . . . 82--82
                      Anonymous   New English Thrashing Machines . . . . . 83--84
                      Anonymous   Astronomical Notes . . . . . . . . . . . 84--84
                      Anonymous   Professor Agassiz on the Darwinian
                                  Theory --- Interesting Facsimile Letter
                                  from the Great Naturalist  . . . . . . . 85--85
                      Anonymous   Fire and Waterproof Chimney Guard  . . . 86--86
                      Anonymous   Physician's Cane . . . . . . . . . . . . 86--86
                      Anonymous   The Toselli Torpedo  . . . . . . . . . . 86--86
                      Anonymous   Patent Barrel Head . . . . . . . . . . . 86--86
                      Anonymous   Professor Proctor's Astronomical'
                                  Lectures . . . . . . . . . . . . . . . . 87--88
                      Anonymous   Patent Office Decisions  . . . . . . . . 88--88
                      Anonymous   Decisions of the Courts  . . . . . . . . 88--88
                      Anonymous   Recent American and Foreign Patents  . . 88--89
                      Anonymous   Answers Correspondents . . . . . . . . . 90--91
                      Anonymous   Communications Received  . . . . . . . . 91--91
                      Anonymous   Canadian Patents . . . . . . . . . . . . 92--92

Scientific American
Volume 30, Number 7, February 14, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 100--100
                      Anonymous   Books: New Books and Publications  . . . 104--104
                      Anonymous   Business and Personal  . . . . . . . . . 106--106
                      Anonymous   Index of Inventions  . . . . . . . . . . 107--108
                      Anonymous   James Young Founder of the Paraffin Oil
                                  Industry . . . . . . . . . . . . . . . . 95--96
                      Anonymous   Velocity of Nervous Impulses . . . . . . 96--96
                      Anonymous   The Autopsy of Professor Agassiz . . . . 96--96
                      Anonymous   Microscopic Crystals in Plants . . . . . 96--96
                      Anonymous   The Fireless Locomotive  . . . . . . . . 96--97
                      Anonymous   The Origin of the Diamond  . . . . . . . 97--97
                      Anonymous   The Death of Dr. Livingstone . . . . . . 97--97
                      Anonymous   Steam Boiler Explosions. --- The Work
                                  Accomplished by the United States
                                  Commission . . . . . . . . . . . . . . . 97--97
                      Anonymous   Allan's Floating Batteries and Saloons   98--98
                      Anonymous   Captain Galton's Ventilating Fireplace   99--99
                      Anonymous   How Greenbacks are Cancelled . . . . . . 99--99
                      Anonymous   Improved Wood Screw  . . . . . . . . . . 99--99
                      Anonymous   Drawing and Sketching --- Practical
                                  Hints and Recipes  . . . . . . . . . . . 99--100
                      Anonymous   Scientific and Practical Information . . 101--101
                      Anonymous   About Ourselves  . . . . . . . . . . . . 101--101
                      Anonymous   Improved Gaining Machine . . . . . . . . 102--102
                      Anonymous   Monson's Improved Auger  . . . . . . . . 102--102
                      Anonymous   Barker's Heating and Ventilating
                                  Apparatus  . . . . . . . . . . . . . . . 102--102
                      Anonymous   The Australian Fever Tree  . . . . . . . 103--103
                      Anonymous   Improved Wash Boiler . . . . . . . . . . 103--103
                      Anonymous   Self-Pumping Well-Boring Drill . . . . . 103--104
                      Anonymous   How Shall I Introduce my Invention?  . . 104--104
                      Anonymous   Decisions of the Courts  . . . . . . . . 104--104
                      Anonymous   Recent American and Foreign Patents  . . 104--105
                      Anonymous   Answers Correspondents . . . . . . . . . 106--107
                      Anonymous   Communications Received  . . . . . . . . 107--107
                      Anonymous   Canadian Patents . . . . . . . . . . . . 108--108

Scientific American
Volume 30, Number 8, February 21, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 116--117
                      Anonymous   Books: New Books and Publications  . . . 120--120
                      Anonymous   Business and Personal  . . . . . . . . . 122--122
                      Anonymous   Index of Inventions  . . . . . . . . . . 123--124
                      Anonymous   The Battering Ram as a Tunnel Borer  . . 111--111
                      Anonymous   The State of the Iron Trade  . . . . . . 112--112
                      Anonymous   Ozone --- a New and Correct Method of
                                  Supply . . . . . . . . . . . . . . . . . 112--112
                      Anonymous   Education and Book Knowledge . . . . . . 112--112
                      Anonymous   The Iron Ores of Missouri  . . . . . . . 112--113
                      Anonymous   Modern Progress of Chemical Industries
                                  in Europe  . . . . . . . . . . . . . . . 113--113
                      Anonymous   The English Telegraphs . . . . . . . . . 114--114
                      Anonymous   The Heberlein Brake  . . . . . . . . . . 114--114
                      Anonymous   South African Wonders --- Explosive
                                  Diamonds and Turtles with Teeth  . . . . 114--114
                      Anonymous   The Siamese Twins  . . . . . . . . . . . 115--115
                      Anonymous   Professor R. A. Proctor  . . . . . . . . 115--116
                      Anonymous   Scientific and Practical Information . . 117--117
                      Anonymous   The Ribbon Post  . . . . . . . . . . . . 117--117
                      Anonymous   Improved Cotton Worm Destroyer . . . . . 118--118
                      Anonymous   Improved Bearing for Shafting  . . . . . 118--118
                      Anonymous   Combined Lounge and Bath Tub . . . . . . 118--118
                      Anonymous   The Artificial Manufacture of Butter . . 119--120
                      Anonymous   Importance of Advertising  . . . . . . . 120--120
                      Anonymous   Decisions of the Courts  . . . . . . . . 120--120
                      Anonymous   Recent American and Foreign Patents  . . 120--121
                      Anonymous   Answers Correspondents . . . . . . . . . 122--123
                      Anonymous   Communications Received  . . . . . . . . 123--123
                      Anonymous   Canadian Patents . . . . . . . . . . . . 124--124

Scientific American
Volume 30, Number 9, February 28, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 132--133
                      Anonymous   Business and Personal  . . . . . . . . . 138--138
                      Anonymous   Index of Inventions  . . . . . . . . . . 139--139
                      Anonymous   Casement's Pressure Regulator for Fluids 127--127
                      Anonymous   Patent Monopolies in Congress  . . . . . 128--128
                      Anonymous   Slippery Pavements . . . . . . . . . . . 128--128
                      Anonymous   Herschel, Tyndall, and Draper on the Sun
                                  Ray  . . . . . . . . . . . . . . . . . . 128--129
                      Anonymous   Whitworth Steel  . . . . . . . . . . . . 129--129
                      Anonymous   A Paper and Glass Debate . . . . . . . . 129--129
                      Anonymous   Scientific and Practical Information . . 129--129
                      Anonymous   To New Subscribers . . . . . . . . . . . 129--129
                      Anonymous   Improved Movable Teeth for Saws  . . . . 130--130
                      Anonymous   Hilf's Iron Permanent Way  . . . . . . . 130--130
                      Anonymous   Pipe Cutting and Threading Machine . . . 131--131
                      Anonymous   Improved Trench Braces . . . . . . . . . 131--131
                Albert R. Leeds   On the Purification of Mercury . . . . . 131--132
                      Anonymous   Casement's Improved Method of Burning
                                  Fuel . . . . . . . . . . . . . . . . . . 135--136
                      Anonymous   How Shall I Introduce my Invention?  . . 136--136
                      Anonymous   Decisions of the Courts  . . . . . . . . 136--136
                      Anonymous   Recent American and Foreign Patents  . . 137--137
                      Anonymous   Answers Correspondents . . . . . . . . . 138--139
                      Anonymous   Communications Received  . . . . . . . . 139--139
                      Anonymous   Canadian Patents . . . . . . . . . . . . 140--140

Scientific American
Volume 30, Number 10, March 7, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 148--149
                      Anonymous   Books: New Books and Publications  . . . 152--152
                      Anonymous   Business and Personal  . . . . . . . . . 154--154
                      Anonymous   Index of Inventions  . . . . . . . . . . 155--155
                      Anonymous   Improved Grinder for Castings  . . . . . 143--143
                      Anonymous   Proposed Law for Castings  . . . . . . . 144--144
                      Anonymous   The Autopsy on the Siamese Twins . . . . 144--144
                      Anonymous   The Industrial Uses of Bisulphide of
                                  Carbon . . . . . . . . . . . . . . . . . 144--144
                      Anonymous   Telegraphic Progress in 1873 . . . . . . 144--145
                      Anonymous   Robert L. Thurston . . . . . . . . . . . 145--145
                      Anonymous   Stearin Candles  . . . . . . . . . . . . 145--145
                      Anonymous   Scientific and Practical Information . . 145--145
                      Anonymous   To New Subscribers . . . . . . . . . . . 145--145
                      Anonymous   The Albany Railroad Bridge . . . . . . . 147--147
                      Anonymous   Improved Fish Grappling Spear  . . . . . 147--147
                      Anonymous   Astronomical Notes . . . . . . . . . . . 147--147
                      Anonymous   Improved Saw Gummer  . . . . . . . . . . 150--150
                      Anonymous   Improved Electric and Vapor Chair  . . . 150--150
                      Anonymous   The Victor Churn Dasher  . . . . . . . . 150--150
                      Anonymous   The Victoria Regia House at Chatsworth,
                                  Eng  . . . . . . . . . . . . . . . . . . 151--151
                      Anonymous   Sir Francis Pettit Smith . . . . . . . . 151--152
                      Anonymous   Importance of Advertising  . . . . . . . 152--152
                      Anonymous   Patent Office Decisions  . . . . . . . . 152--152
                      Anonymous   Recent American and Foreign Patents  . . 152--153
                      Anonymous   Answers to Correspondents  . . . . . . . 154--155
                      Anonymous   Communications Received  . . . . . . . . 155--155
                      Anonymous   Canadian Patents . . . . . . . . . . . . 155--156

Scientific American
Volume 30, Number 11, March 14, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 164--165
                      Anonymous   Books: New Books and Publications  . . . 168--168
                      Anonymous   Business and Personal  . . . . . . . . . 170--170
                      Anonymous   Index of Inventions  . . . . . . . . . . 171--172
                      Anonymous   New and Gigantic Telescope . . . . . . . 159--160
                      Anonymous   Lake Titicaca  . . . . . . . . . . . . . 160--160
                      Anonymous   Swindling Patent Sellers . . . . . . . . 160--160
                      Anonymous   Failure of the New Telegraph Line
                                  Between Europe and America . . . . . . . 160--160
                      Anonymous   Relative Rights of Employers and Workmen
                                  in Respect to Inventions . . . . . . . . 160--160
                      Anonymous   The Oil Deposits of the Great West . . . 160--161
                      Anonymous   Enforcement of Unauthorized Caveat Rules 161--161
                      Anonymous   Mount Sinai  . . . . . . . . . . . . . . 161--161
                      Anonymous   Pleasant Words . . . . . . . . . . . . . 161--161
                      Anonymous   Scientific and Practical Information . . 161--161
                      Anonymous   On the Motion and Sensation of Sound . . 162--163
                      Anonymous   Gilberds & Harris' Return Butter and
                                  Oyster Pail  . . . . . . . . . . . . . . 163--164
                      Anonymous   Oakley's Currant Washer  . . . . . . . . 166--166
                      Anonymous   A New Tool Holder  . . . . . . . . . . . 166--166
                      Anonymous   A New Water Meter  . . . . . . . . . . . 167--167
                      Anonymous   Patent Office Decisions  . . . . . . . . 168--168
                      Anonymous   Decisions of the Courts  . . . . . . . . 168--168
                      Anonymous   Importance of Advertising  . . . . . . . 168--168
                      Anonymous   Recent American and Foreign Patents  . . 168--169
                      Anonymous   Answer to Correspondents . . . . . . . . 170--171
                      Anonymous   Communications Received  . . . . . . . . 171--171

Scientific American
Volume 30, Number 12, March 21, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 181--182
                      Anonymous   Books: New Books and Publications  . . . 184--184
                      Anonymous   Business and Personal  . . . . . . . . . 186--186
                      Anonymous   Index of Inventions  . . . . . . . . . . 187--187
                      Anonymous   Improved Slotting Machine and Slotting
                                  and Planing Tool . . . . . . . . . . . . 175--175
                      Anonymous   A Remarkable Report about Remarkable
                                  Pumping Engines  . . . . . . . . . . . . 176--176
                      Anonymous   A Congressional Patent Discussion  . . . 176--176
                      Anonymous   Dangers of Nursery Explosives  . . . . . 176--176
                      Anonymous   American Soda  . . . . . . . . . . . . . 176--176
                      Anonymous   The Great Lava Flood of Oregon . . . . . 176--177
                      Anonymous   Scientific Results of the Polaris
                                  Expedition . . . . . . . . . . . . . . . 177--177
                      Anonymous   Nerve Force  . . . . . . . . . . . . . . 177--177
                      Anonymous   Acoustic Darkness and Mental Light . . . 177--177
                      Anonymous   Improved Self-Closing Faucet Attachment  178--178
                      Anonymous   Watson's Butter Former . . . . . . . . . 178--178
                      Anonymous   Font Pen with a Capillary Feeder . . . . 178--178
                      Anonymous   Schofield's Improved Needle Threader . . 178--178
                      Anonymous   The Newfoundland Devil Fish  . . . . . . 179--179
                      Anonymous   Barnum's Removable Horseshoe Calk  . . . 179--181
                      Anonymous   Chemical Notes . . . . . . . . . . . . . 181--181
                      Anonymous   Improved Automatic Tool Grinding Machine 182--182
                      Anonymous   Improved Circular and Band Saw Set . . . 182--182
                      Anonymous   House Top Gardening  . . . . . . . . . . 183--184
                      Anonymous   To New Subscribers . . . . . . . . . . . 184--184
                      Anonymous   Patent Office Decisions  . . . . . . . . 184--184
                      Anonymous   Decisions of the Courts  . . . . . . . . 184--184
                      Anonymous   Importance of Advertising  . . . . . . . 184--184
                      Anonymous   Recent American and Foreign Patents  . . 184--185
                      Anonymous   Answers to Correspondents  . . . . . . . 186--187
                      Anonymous   Communications Received  . . . . . . . . 187--187
                      Anonymous   Canadian Patents . . . . . . . . . . . . 187--188

Scientific American
Volume 30, Number 14, April 4, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 212--213
                      Anonymous   Business and Personal  . . . . . . . . . 218--218
                      Anonymous   Index of Inventions  . . . . . . . . . . 219--220
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 220--220
                      Anonymous   Fire Extinguishing Apparatus for
                                  Buildings  . . . . . . . . . . . . . . . 207--207
                      Anonymous   The \booktitleScientific American as a
                                  Preventive of Boiler Explosions ---
                                  Value of its Correspondence  . . . . . . 208--208
                      Anonymous   The Brotherhood of Locomotive Engineers  208--208
                      Anonymous   The Marvels of Mechanics . . . . . . . . 208--208
                      Anonymous   Metrological Science . . . . . . . . . . 208--208
                      Anonymous   The Detroit River Tunnel . . . . . . . . 208--209
                      Anonymous   A Hill of Sulphur  . . . . . . . . . . . 209--209
                      Anonymous   The Launch of the City of Peking . . . . 209--209
                 R. H. Thurston   The Character of Metals as Exhibited by
                                  Their Fracture . . . . . . . . . . . . . 209--209
                      Anonymous   To New Subscribers . . . . . . . . . . . 209--209
                      Anonymous   The \em Palæotherium Magnum . . . . . . . 210--210
                      Anonymous   Improved Adjustable Threshold  . . . . . 210--210
                      Anonymous   Patent Bottle  . . . . . . . . . . . . . 210--210
                      Anonymous   Improved Adjustable Scaffold . . . . . . 211--211
                      Anonymous   A New Magneto-Electrical Instrument  . . 211--211
                      Anonymous   Improved Stove for Smoke Houses  . . . . 214--214
                      Anonymous   Improved Turbine Wheel . . . . . . . . . 214--214
                      Anonymous   A New Bird of Paradise . . . . . . . . . 215--215
                      Anonymous   Astronomical Notes . . . . . . . . . . . 216--216
                      Anonymous   Importance of Advertising  . . . . . . . 216--216
                      Anonymous   Decisions of the Courts  . . . . . . . . 216--216
                      Anonymous   Recent American and Foreign Patents  . . 217--217
                      Anonymous   Answers to Correspondents  . . . . . . . 218--219
                      Anonymous   Communications Received  . . . . . . . . 219--219
                      Anonymous   Canadian Patents . . . . . . . . . . . . 220--220

Scientific American
Volume 30, Number 16, April 18, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 245--245
                      Anonymous   Books: New Books and Publications  . . . 248--248
                      Anonymous   Business and Personal  . . . . . . . . . 250--250
                      Anonymous   Index of Inventions  . . . . . . . . . . 251--252
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 252--252
                      Anonymous   The Mitchell Safety Steam Generator  . . 239--239
                      Anonymous   Decision of an Important Patent
                                  Litigation . . . . . . . . . . . . . . . 240--240
                      Anonymous   The Agassiz Memorial . . . . . . . . . . 240--240
                      Anonymous   The Genesis of the Horse . . . . . . . . 240--240
                      Anonymous   The Suppressed Member Again  . . . . . . 240--241
                      Anonymous   How a Great Discovery Was Made . . . . . 241--241
                      Anonymous   The Origination of Screw Propulsion  . . 241--241
                      Anonymous   Artesian Wells . . . . . . . . . . . . . 241--241
                      Anonymous   Scientific and Practical Information . . 241--241
                      Anonymous   New Electric Disengaging Gear for
                                  Knitting Machines  . . . . . . . . . . . 242--242
                      Anonymous   Horton's Improved Chuck Jaw  . . . . . . 242--242
                      Anonymous   The Ammonia Ice-Making Process . . . . . 243--243
                      Anonymous   Improved Steam Pump  . . . . . . . . . . 243--243
                      Anonymous   Dr. Brown Sequard on Nerve Force . . . . 243--244
                      Anonymous   In the Laboratory with Agassiz . . . . . 244--245
                      Anonymous   Improved Plane Guide . . . . . . . . . . 246--246
                      Anonymous   Lucetti's Italian Ice Cream Freezer  . . 246--246
                      Anonymous   Magnifying Insect Case . . . . . . . . . 246--246
                      Anonymous   Matson's Safety Combined Whip and Rein
                                  Holder . . . . . . . . . . . . . . . . . 246--246
                      Anonymous   Casting a Five Hundred Tun Anvil . . . . 247--247
                      Anonymous   The Solar Counter  . . . . . . . . . . . 247--248
                      Anonymous   Astronomical Notes . . . . . . . . . . . 248--248
                      Anonymous   Decisions of the Courts  . . . . . . . . 248--248
                      Anonymous   How Shall I Introduce My Invention?  . . 248--248
                      Anonymous   Recent American and Foreign Patents  . . 248--249
                      Anonymous   Answers to Correspondents  . . . . . . . 250--251
                      Anonymous   Communications Received  . . . . . . . . 251--251
                      Anonymous   Canadian Patents . . . . . . . . . . . . 252--252

Scientific American
Volume 30, Number 17, April 25, 1874

                      Anonymous   Books: New Books and Publications  . . . 264--264
                      Anonymous   Business and Personal  . . . . . . . . . 266--266
                      Anonymous   Index of Inventions  . . . . . . . . . . 267--268
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 268--268
                      Anonymous   Improved Portable Elevator and Conveyer  255--255
                      Anonymous   Reclaiming the Desert Places . . . . . . 256--256
                      Anonymous   A Neglected Source of Food . . . . . . . 256--256
                      Anonymous   The Astronomical Conditions of Life  . . 256--257
                      Anonymous   Improvements in Sugar Making . . . . . . 257--257
                      Anonymous   Pumping Engine Economy . . . . . . . . . 257--258
                      Anonymous   The Separation of Tar and the
                                  Manufacture of Sulphate of Ammonia from
                                  Waste Products . . . . . . . . . . . . . 258--260
                      Anonymous   Recent Boiler Explosions . . . . . . . . 260--260
                      Anonymous   Scientific and Practical Information . . 261--261
                      Anonymous   Improved Grate Clearing Attachment . . . 262--262
                      Anonymous   The Shaker Sash Balance  . . . . . . . . 262--262
                      Anonymous   Munson's Improved Lightning Rod  . . . . 262--262
                      Anonymous   Modern American Lighthouses  . . . . . . 263--264
                      Anonymous   Importance of Advertising  . . . . . . . 264--264
                      Anonymous   Recent American and Foreign patents  . . 264--265
                      Anonymous   Answers to Correspondents  . . . . . . . 266--267
                      Anonymous   Communications Received  . . . . . . . . 267--267
                      Anonymous   Canadian Patents . . . . . . . . . . . . 268--268

Scientific American
Volume 30, Number 18, May 2, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 276--276
                      Anonymous   Business and Personal  . . . . . . . . . 282--282
                      Anonymous   Index of Inventions  . . . . . . . . . . 283--284
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 286--286
                      Anonymous   Improved Governor  . . . . . . . . . . . 271--272
                      Anonymous   The Effective Power of Steam Engines . . 272--272
                      Anonymous   Compartment Ships  . . . . . . . . . . . 272--272
                      Anonymous   A Tree that Keeps a Standing Army  . . . 272--272
                      Anonymous   Progress of Underground Railways in
                                  London . . . . . . . . . . . . . . . . . 272--272
                      Anonymous   A New Comet  . . . . . . . . . . . . . . 272--272
                      Anonymous   Another New Motor  . . . . . . . . . . . 273--273
                      Anonymous   The Oremation Question . . . . . . . . . 273--274
                      Anonymous   Improved Portable Oiler  . . . . . . . . 274--274
                      Anonymous   Improved Combination Scissors  . . . . . 274--274
                      Anonymous   An Instantaneous Life Preserving Raft    275--276
                      Anonymous   James Bogardus . . . . . . . . . . . . . 276--276
                      Anonymous   Prevention in Place of Cure  . . . . . . 276--276
                 R. H. Thurston   Strain Diagrams --- What They Are and
                                  What They Tell Us  . . . . . . . . . . . 277--277
                      Anonymous   Scientific and Practical Information . . 277--277
                      Anonymous   Improved Mitering Machine  . . . . . . . 278--278
                      Anonymous   Safety Bell Signal for Railways  . . . . 278--278
                      Anonymous   Christie's Railroad Detachable Claw Bar  278--278
                      Anonymous   The Pyrophone  . . . . . . . . . . . . . 279--279
                      Anonymous   The Steam Siren or Fog Horn  . . . . . . 279--279
                    B. Prescott   The English Telegraphs . . . . . . . . . 280--280
                      Anonymous   Recent American and Foreign Patents  . . 280--281
                      Anonymous   Answers to Correspondents  . . . . . . . 282--283
                      Anonymous   Communications Received  . . . . . . . . 283--283
                      Anonymous   Canadian Patents . . . . . . . . . . . . 284--284

Scientific American
Volume 30, Number 19, May 9, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 291--291
                      Anonymous   Books: New Books and Publications  . . . 297--297
                      Anonymous   Business and Personal  . . . . . . . . . 298--298
                      Anonymous   Index of Inventions  . . . . . . . . . . 299--300
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 300--300
                      Anonymous   A Novelty in Bolt Cutters  . . . . . . . 287--287
                      Anonymous   The Centennial Subscription  . . . . . . 288--288
                      Anonymous   The Famine in Bengal . . . . . . . . . . 288--288
                Albert R. Leeds   Eremacausis Versus Burial and Cremation  288--289
                      Anonymous   The Effective Power of Turbine Water
                                  Wheels . . . . . . . . . . . . . . . . . 289--289
                      Anonymous   Army Ants  . . . . . . . . . . . . . . . 289--289
                      Anonymous   Scientific and Practical Information . . 289--289
                      Anonymous   The Vertical Multiplier Boring Machine   290--290
                      Anonymous   Improved Fuel Economizer . . . . . . . . 290--291
                      Anonymous   Astronomical Notes . . . . . . . . . . . 292--292
                      Anonymous   The Meeting of the National Academy of
                                  Science  . . . . . . . . . . . . . . . . 293--293
                      Anonymous   The Whitmore Turbine Wheel . . . . . . . 294--294
                      Anonymous   Gardner's Improved Wheel . . . . . . . . 294--294
                      Anonymous   Cremation Furnace  . . . . . . . . . . . 295--295
                      Anonymous   The Centennial Exhibition  . . . . . . . 296--296
                      Anonymous   Decisions of the Courts  . . . . . . . . 297--297
                      Anonymous   Recent American and Foreign Patents  . . 297--297
                      Anonymous   Answers to Correspondents  . . . . . . . 298--299
                      Anonymous   Communications Received  . . . . . . . . 299--299
                      Anonymous   Canadian Patents . . . . . . . . . . . . 300--300

Scientific American
Volume 30, Number 20, May 16, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 308--309
                      Anonymous   Books: New Books and Publications  . . . 312--312
                      Anonymous   Business and Personal  . . . . . . . . . 314--314
                      Anonymous   Index of Inventions  . . . . . . . . . . 315--316
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 316--316
                      Anonymous   The Dayton Cam Pump  . . . . . . . . . . 303--303
                      Anonymous   The Hamilton Surface Planer  . . . . . . 303--304
                      Anonymous   The Sewing Machine Monopolists Again at
                                  Work . . . . . . . . . . . . . . . . . . 304--304
                      Anonymous   The Depression in the Iron Trade . . . . 304--304
                      Anonymous   Glacial Remains in Central America . . . 304--305
                      Anonymous   Dead Subjects and a Live Discussion  . . 305--305
                      Anonymous   Oleomargarin . . . . . . . . . . . . . . 305--305
                      Anonymous   Scientific and Practical Information . . 305--305
                      Anonymous   An Inexhaustible Inkstand  . . . . . . . 306--306
                      Anonymous   The Colorado Potato Bug  . . . . . . . . 306--306
                      Anonymous   The Shadow Sail  . . . . . . . . . . . . 306--306
                      Anonymous   Improved Lard and Butter Cutter  . . . . 306--306
                 R. H. Thurston   Strain Diagrams and their Revelations    307--307
                      Anonymous   Proceedings of the National Academy of
                                  Science  . . . . . . . . . . . . . . . . 308--308
                      Anonymous   The Niagara Direct and Double Acting
                                  Pump . . . . . . . . . . . . . . . . . . 310--310
                      Anonymous   Improved Automatic Packing and Weighing
                                  Machine  . . . . . . . . . . . . . . . . 310--310
                      Anonymous   Modern Egyptian Gardens  . . . . . . . . 311--311
                      Anonymous   The Bow and Stern Screw Propeller  . . . 311--312
                      Anonymous   Recent American and Foreign Patents  . . 312--313
                      Anonymous   Answers to Correspondents  . . . . . . . 314--315
                      Anonymous   Communications Received  . . . . . . . . 315--315
                      Anonymous   Canadian Patents . . . . . . . . . . . . 316--316

Scientific American
Volume 30, Number 21, May 23, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 324--324
                      Anonymous   Business and Personal  . . . . . . . . . 330--330
                      Anonymous   Index of Inventions  . . . . . . . . . . 331--332
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 332--332
                      Anonymous   The Albion Boiler  . . . . . . . . . . . 319--319
                      Anonymous   Muscular Movement without Life . . . . . 320--320
                      Anonymous   Discovery of the Cause of the Zodiacal
                                  Light  . . . . . . . . . . . . . . . . . 320--320
                      Anonymous   A Proposed Testing Laboratory  . . . . . 320--320
                      Anonymous   Hon. David A. Wells and the French
                                  Institute  . . . . . . . . . . . . . . . 320--321
                      Anonymous   From Chaos to Coral  . . . . . . . . . . 321--321
                      Anonymous   Art among the Ashantees  . . . . . . . . 321--321
                      Anonymous   Burial in the Sea  . . . . . . . . . . . 321--321
                      Anonymous   Regulating the Speed of an Engine  . . . 321--321
                      Anonymous   The Magnetic Equivalent of Heat  . . . . 321--321
                      Anonymous   Device for Preventing Horses from
                                  Cribbing . . . . . . . . . . . . . . . . 322--322
                      Anonymous   Overhead Traveling Crane . . . . . . . . 322--322
                      Anonymous   Improved Mixing Spoon  . . . . . . . . . 322--322
                      Anonymous   The Keokuk and Hamilton Bridge . . . . . 324--324
                      Anonymous   Useful Information on Steam Power  . . . 325--325
                      Anonymous   Improved Picket Fence  . . . . . . . . . 326--326
                      Anonymous   Improved Work Holder for Lathes  . . . . 326--326
                      Anonymous   Curious Plants . . . . . . . . . . . . . 327--328
                 R. H. Thurston   The Flow of Solids and Its Effect upon
                                  the Strength of Materials  . . . . . . . 328--328
                      Anonymous   Decisions of the Commissioner of Patents 328--328
                      Anonymous   Decisions of the Courts  . . . . . . . . 328--329
                      Anonymous   Recent American and Foreign Patents  . . 329--329
                      Anonymous   Answer Correspondents  . . . . . . . . . 330--331
                      Anonymous   Communications Received  . . . . . . . . 331--331
                      Anonymous   Canadian Patents . . . . . . . . . . . . 332--332

Scientific American
Volume 30, Number 22, May 30, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 340--341
                      Anonymous   Books: New Books and Publications  . . . 345--345
                      Anonymous   Business and Personal  . . . . . . . . . 346--346
                      Anonymous   Index of Inventions  . . . . . . . . . . 348--348
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 349--349
                      Anonymous   Improved Road and Farm Locomotive  . . . 335--336
                      Anonymous   Pressure Not a Motive Power  . . . . . . 336--336
                      Anonymous   Governors for Prime Movers . . . . . . . 336--336
                      Anonymous   Why do Plants Absorb Oxygen during the
                                  Night? . . . . . . . . . . . . . . . . . 336--337
                      Anonymous   Milk as a Diet and Its Effect on the
                                  System . . . . . . . . . . . . . . . . . 337--337
                      Anonymous   The Respiration of Oxygen  . . . . . . . 337--337
                      Anonymous   The American Social Science Congress . . 337--338
                      Anonymous   The Polar Clock --- The Time of Day
                                  Shown by Colors  . . . . . . . . . . . . 338--338
                      Anonymous   Hydraulic Riveting Machine . . . . . . . 339--339
                      Anonymous   Improved Doubletree  . . . . . . . . . . 342--342
                      Anonymous   Todd's Improved Horseshoe  . . . . . . . 342--342
                      Anonymous   Improved Miter Machine and Frame Vise    342--342
                      Anonymous   Jenkins' Patent Compound Hatchet . . . . 342--342
                      Anonymous   The \em Seaforthia Elegans . . . . . . . 343--343
                      Anonymous   Bursting of a Mountain Water Reservoir
                                  in Massachusetts --- A Terrible Calamity 344--344
                      Anonymous   Recent American and Foreign Patents  . . 344--345
                      Anonymous   Answers Correspondents . . . . . . . . . 346--347
                      Anonymous   Communications Received  . . . . . . . . 347--347
                      Anonymous   Canadian Patents . . . . . . . . . . . . 348--348

Scientific American
Volume 30, Number 23, June 6, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 355--356
                      Anonymous   Books: New Books and Publications  . . . 361--361
                      Anonymous   Business and Personal  . . . . . . . . . 362--362
                      Anonymous   Index of Inventions  . . . . . . . . . . 363--364
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 365--365
                      Anonymous   William Baxter and His Inventions  . . . 351--352
                      Anonymous   Formic Fungus Farmers  . . . . . . . . . 352--352
                      Anonymous   A Model Transatlantic Steamer  . . . . . 353--353
                      Anonymous   Left Hand Writing  . . . . . . . . . . . 353--353
                      Anonymous   Rubber as a Defensive Armor  . . . . . . 353--353
                      Anonymous   Photography at the Bottom of the Sea . . 353--353
                      Anonymous   Fattening Chickens by Machinery  . . . . 354--354
                      Anonymous   Jupiter's Satellites . . . . . . . . . . 354--354
                      Anonymous   The Neplus Ultra Newspaper and Magazine
                                  File . . . . . . . . . . . . . . . . . . 354--354
                      Anonymous   The Wonder Camera  . . . . . . . . . . . 354--354
                      Anonymous   Scientific and Practical Information . . 357--357
                      Anonymous   The Tarantula Wheel Rotary Harrow  . . . 358--358
                      Anonymous   Hotz's Patent Self-Closing Faucet  . . . 358--358
                      Anonymous   Caron's fountain masking brush . . . . . 358--358
                      Anonymous   Emanuel Church, Clifton, England . . . . 359--359
                      Anonymous   Astronomical Notes . . . . . . . . . . . 360--360
                      Anonymous   Social Science . . . . . . . . . . . . . 360--360
                      Anonymous   Commissioner's Decisions . . . . . . . . 360--360
                      Anonymous   Decisions of the Courts  . . . . . . . . 360--360
                      Anonymous   Recent American and Foreign Patents  . . 361--361
                      Anonymous   Answers of Correspondents  . . . . . . . 362--363
                      Anonymous   Communications Received  . . . . . . . . 363--363
                      Anonymous   Canadian Patents . . . . . . . . . . . . 364--364

Scientific American
Volume 30, Number 24, June 13, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 371--372
                      Anonymous   Books: New Books and Publications  . . . 377--377
                      Anonymous   Business and Personal  . . . . . . . . . 378--378
                      Anonymous   Index of Inventions  . . . . . . . . . . 380--380
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 381--381
                      Anonymous   Improved Patent Sectional Boiler . . . . 367--367
                      Anonymous   Elevation of the Elastic Limit by Stress 368--368
                      Anonymous   The Geological Survey of Japan . . . . . 368--368
                      Anonymous   The Increased Uses of the Members  . . . 368--368
                      Anonymous   The New Theory of Quantivalence  . . . . 368--369
                      Anonymous   Farmers' Health  . . . . . . . . . . . . 369--369
                      Anonymous   Solidified Tea . . . . . . . . . . . . . 370--370
                      Anonymous   Improved Wheat Steamer and Dryer . . . . 370--370
                      Anonymous   A New Parallel Motion  . . . . . . . . . 371--371
                      Anonymous   Improved Car Bumper  . . . . . . . . . . 371--371
                      Anonymous   The New Atlantic Telegraph Cable --- How
                                  It Was Made  . . . . . . . . . . . . . . 371--371
                    Joshua Rose   Practical Mechanism Number I . . . . . . 373--373
                      Anonymous   Wire way for Transporting Ores, Etc  . . 374--374
                      Anonymous   A Wire Cloth Boot  . . . . . . . . . . . 374--374
                      Anonymous   The Hotchkiss or Friction Roll Drop
                                  Hammer . . . . . . . . . . . . . . . . . 374--375
                      Anonymous   The Todd and Rafferty Hoisting Engine    375--375
                      Anonymous   The Coral Æchmea  . . . . . . . . . . . . 375--375
                      Anonymous   Scientific and Practical Information . . 376--376
                      Anonymous   Decisions of the Courts  . . . . . . . . 376--376
                      Anonymous   Recent American and Foreign Patents  . . 377--377
                      Anonymous   Answers Correspondents . . . . . . . . . 378--379
                      Anonymous   Communications Received  . . . . . . . . 379--379
                      Anonymous   Canadian Patents . . . . . . . . . . . . 380--380

Scientific American
Volume 30, Number 25, June 20, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 388--388
                      Anonymous   Books: New Books and Publications  . . . 392--392
                      Anonymous   Business and Personal  . . . . . . . . . 394--394
                      Anonymous   Index of Inventions  . . . . . . . . . . 395--396
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 397--397
                      Anonymous   Patent Universal Jointer . . . . . . . . 383--383
                      Anonymous   Water as Fuel  . . . . . . . . . . . . . 384--384
                      Anonymous   The Horse in Market  . . . . . . . . . . 384--384
                      Anonymous   How to Treat Fruit Trees . . . . . . . . 384--384
                      Anonymous   Coffee Grounds . . . . . . . . . . . . . 385--385
                      Anonymous   Everybody's Centennial . . . . . . . . . 385--385
                      Anonymous   The American Museum of Natural History   385--385
                      Anonymous   Steep Gradients  . . . . . . . . . . . . 385--385
                      Anonymous   A New Domestic Steam Engine  . . . . . . 386--386
                      Anonymous   May's Patent Butter Worker . . . . . . . 387--387
                      Anonymous   Dr. Marey's Chronograph  . . . . . . . . 387--387
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 389--389
                      Anonymous   Improved Punch and Screwdriver . . . . . 390--390
                      Anonymous   Improved Hammer  . . . . . . . . . . . . 390--390
                      Anonymous   A Microscopic Aquarium . . . . . . . . . 391--391
                      Anonymous   Remarkable Balloon Ascent  . . . . . . . 391--392
                      Anonymous   Decisions of the Courts  . . . . . . . . 392--392
                      Anonymous   Recent American and Foreign Patents  . . 392--393
                      Anonymous   Answers Correspondents . . . . . . . . . 394--395
                      Anonymous   Communications Received  . . . . . . . . 395--395
                      Anonymous   Canadian Patents . . . . . . . . . . . . 396--397

Scientific American
Volume 30, Number 26, June 27, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 404--404
                      Anonymous   Books: New Books and Publications  . . . 409--410
                      Anonymous   Business and Personal  . . . . . . . . . 410--410
                      Anonymous   Index of Inventions  . . . . . . . . . . 410--410
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 411--412
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 414--414
                      Anonymous   The Clock Tower at Delhi, India  . . . . 399--400
                      Anonymous   The End of Volume XXX  . . . . . . . . . 400--400
                      Anonymous   How to Attain High Temperatures  . . . . 400--400
                      Anonymous   A Curious Problem  . . . . . . . . . . . 400--401
                      Anonymous   Sources of Edible Starch . . . . . . . . 401--401
                      Anonymous   Failure of Patent Extension Schemes  . . 401--401
                      Anonymous   Scientific and Practical Information . . 401--401
                      Anonymous   Improved Wind Wheel and Water Elevator   402--402
                      Anonymous   Machine for Turning Crank Pins and
                                  Journals of Locomotives  . . . . . . . . 402--402
                      Anonymous   Effects of Air Pressure on Animal Life   403--404
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 405--405
                      Anonymous   Stevens' Improved Hinge  . . . . . . . . 406--406
                      Anonymous   Improved Patent Gang Saw Table . . . . . 406--406
                      Anonymous   Davis' Improved Hydrant  . . . . . . . . 406--406
                      Anonymous   The Royal Gardens at Caserta, Italy  . . 407--407
                      Anonymous   Medical Notes  . . . . . . . . . . . . . 407--408
                      Anonymous   The Convention of the Civil Engineers    408--409
                      Anonymous   Recent American and Foreign Patents  . . 409--409
                      Anonymous   Communications Received  . . . . . . . . 410--410


Scientific American
Volume 31, Number 1, July 4, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 5--6
                      Anonymous   Books: New Books and Publications  . . . 9--9
                      Anonymous   Business and Personal  . . . . . . . . . 11--11
                      Anonymous   Index of Inventions  . . . . . . . . . . 12--12
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 13--13
                      Anonymous   Improved Dovetailing Machine . . . . . . 1--1
                      Anonymous   Hot Weather and Hydrophobia  . . . . . . 2--2
                      Anonymous   The New Comet. Coggia  . . . . . . . . . 2--3
                      Anonymous   Protection from Fire . . . . . . . . . . 3--3
                      Anonymous   Science Beads an Oracle Relating to the
                                  Metallurgy of the Future . . . . . . . . 3--3
                      Anonymous   The Astor Library  . . . . . . . . . . . 3--3
                      Anonymous   Philosophers on Sound  . . . . . . . . . 3--3
                      Anonymous   Electric Phenomena of the Leaves of the
                                  Fly Catcher  . . . . . . . . . . . . . . 4--4
                      Anonymous   Bonser's Patent Steam Trap . . . . . . . 4--4
                      Anonymous   Bloodless Surgery  . . . . . . . . . . . 5--5
                      Anonymous   Feathering Arrow Heads . . . . . . . . . 5--5
                      Anonymous   A Novel Mechanical Movement  . . . . . . 6--6
                      Anonymous   Improved Grappling Tools . . . . . . . . 6--6
                      Anonymous   Pond's Patent Spanner  . . . . . . . . . 6--6
                      Anonymous   The \em Jubea Spectabilis Palm . . . . . 7--7
                      Anonymous   The Convention of the Civil Engineers    8--9
                      Anonymous   Scientific and Practical Information . . 9--9
                      Anonymous   Decisions of to Courts . . . . . . . . . 9--9
                      Anonymous   Recent American and Foreign Patents  . . 9--10
                      Anonymous   Answers to Correspondents  . . . . . . . 11--11
                      Anonymous   Communication Received . . . . . . . . . 11--11
                      Anonymous   Canadian Patents . . . . . . . . . . . . 12--12

Scientific American
Volume 31, Number 2, July 11, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 20--20
                      Anonymous   Books: New Books and Publications  . . . 24--24
                      Anonymous   Business and Personal  . . . . . . . . . 26--26
                      Anonymous   Index of Inventions  . . . . . . . . . . 27--28
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 29--29
                      Anonymous   Balanced Screw and Revolving Cotton
                                  Press  . . . . . . . . . . . . . . . . . 15--15
                      Anonymous   Government Aid to Scientific
                                  Investigation  . . . . . . . . . . . . . 16--16
                      Anonymous   Four Footed Motion . . . . . . . . . . . 16--16
                      Anonymous   The Railways of the United States  . . . 16--16
                      Anonymous   Some of the Uses of Paraffin . . . . . . 16--17
                      Anonymous   Refrigerating Mixtures and Their
                                  Physiological Effects  . . . . . . . . . 17--17
                      Anonymous   Progress of the Fireless Locomotive  . . 17--17
                      Anonymous   New Law Concerning Copyrights for Labels 17--17
                      Anonymous   Scientific and Practical Information . . 17--17
                      Anonymous   The Effect of Air Pressure on Animal
                                  Life . . . . . . . . . . . . . . . . . . 18--18
                      Anonymous   Improved Steam Engine  . . . . . . . . . 19--19
                      Anonymous   The Gravitation Compass  . . . . . . . . 19--19
                      Anonymous   A Navigable Diving Bell  . . . . . . . . 19--20
                      Anonymous   Astronomical Notes . . . . . . . . . . . 20--20
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 21--21
                      Anonymous   Taper Sleeve Pulley and Wheel Fastener   22--22
                      Anonymous   A New Water Pitcher  . . . . . . . . . . 22--22
                      Anonymous   A Novel Needle . . . . . . . . . . . . . 22--22
                      Anonymous   Various Methods of Cooling Air . . . . . 23--24
                      Anonymous   Medical Notes  . . . . . . . . . . . . . 24--24
                      Anonymous   Recent American and Foreign Patents  . . 24--25
                      Anonymous   Answers and Correspondents . . . . . . . 26--27
                      Anonymous   Communication Received . . . . . . . . . 27--27
                      Anonymous   Canadian Patents . . . . . . . . . . . . 28--28

Scientific American
Volume 31, Number 3, July 18, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 36--36
                      Anonymous   Books: New Books and Publications  . . . 42--42
                      Anonymous   Business and Personal  . . . . . . . . . 43--43
                      Anonymous   Index of Inventions  . . . . . . . . . . 44--44
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 45--45
                      Anonymous   The Eclipse Steam Generator  . . . . . . 31--31
                      Anonymous   A Cometary Retrospect  . . . . . . . . . 32--32
                      Anonymous   Taxing Power of the Legislature  . . . . 32--32
                      Anonymous   Recent Printing Press Improvements . . . 32--33
                      Anonymous   Patented Car Improvements  . . . . . . . 33--33
                      Anonymous   The Mines and Minerals of India  . . . . 33--33
                      Anonymous   Casting the Standard Meter . . . . . . . 34--34
                      Anonymous   The Clamond Thermo-Electric Battery  . . 34--31
                      Anonymous   Fountain Cave, Virginia  . . . . . . . . 36--36
                      Anonymous   Scientific and Practical Information . . 37--37
                      Anonymous   Novel Improvements in Steam Boilers  . . 37--37
                      Anonymous   Improved Hay and Cotton Press  . . . . . 38--38
                      Anonymous   An Improvement in Steam Pumps  . . . . . 38--38
                      Anonymous   A Novel Cooking Stove  . . . . . . . . . 38--38
                      Anonymous   More Curious Vegetation  . . . . . . . . 39--39
                      Anonymous   Medical Notes  . . . . . . . . . . . . . 40--40
                      Anonymous   A Petroleum Motor  . . . . . . . . . . . 41--42
                      Anonymous   Recent American and Foreign Patents  . . 42--42
                      Anonymous   Answers and Correspondents . . . . . . . 43--43
                      Anonymous   Communications Received  . . . . . . . . 43--44
                      Anonymous   Canadian Patents . . . . . . . . . . . . 44--44

Scientific American
Volume 31, Number 4, July 25, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 52--53
                      Anonymous   Business and Personal  . . . . . . . . . 58--58
                      Anonymous   Index of Inventions  . . . . . . . . . . 59--60
                      Anonymous   Improved Hoisting Machine  . . . . . . . 47--48
                      Anonymous   Morbid Mental Conditions . . . . . . . . 48--48
                      Anonymous   Cheap Transit for Oil  . . . . . . . . . 48--48
                      Anonymous   Power Required to Drive Cotton Machinery 48--49
                      Anonymous   A Switch Accident  . . . . . . . . . . . 49--49
                      Anonymous   The Manufacture of Gem Stones  . . . . . 49--49
                      Anonymous   Scientific and Practical Information . . 49--50
                      Anonymous   Gang Saw Improvements  . . . . . . . . . 50--50
                      Anonymous   Safety Furnace . . . . . . . . . . . . . 50--50
                      Anonymous   Apparatus for Transplanting Trees  . . . 51--51
                      Anonymous   Practical Education  . . . . . . . . . . 53--53
                      Anonymous   New Ice Making Process . . . . . . . . . 54--54
                      Anonymous   Earle's Improved Ice Creeper . . . . . . 54--54
                      Anonymous   Improved Furnace for Melting Brass . . . 54--54
                      Anonymous   A Novel Balloon Ascent . . . . . . . . . 55--56
                      Anonymous   The New Steamer Britannic --- a New
                                  Propeller Improvement  . . . . . . . . . 56--56
                      Anonymous   Decisions of the courts  . . . . . . . . 56--56
                      Anonymous   Recent American and Foreign Patents  . . 57--57
                      Anonymous   Answers and correspondents . . . . . . . 58--59
                      Anonymous   Communications Received  . . . . . . . . 59--59
                      Anonymous   Canadian Patents . . . . . . . . . . . . 60--60

Scientific American
Volume 31, Number 5, August 1, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 68--68
                      Anonymous   Business and Personal  . . . . . . . . . 74--74
                      Anonymous   Index of Inventions  . . . . . . . . . . 75--76
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 76--76
                      Anonymous   Improved Gear Cutting Attachment For
                                  Lathes . . . . . . . . . . . . . . . . . 63--63
                      Anonymous   Another Great Fire in Chicago, and the
                                  Materials Accumulating for One in New
                                  York . . . . . . . . . . . . . . . . . . 64--64
                      Anonymous   Cholera and its Treatment  . . . . . . . 64--64
                      Anonymous   The Inspection and Insurance of Steam
                                  Boilers  . . . . . . . . . . . . . . . . 64--65
                      Anonymous   Patent Office Justice  . . . . . . . . . 65--65
                      Anonymous   Politics in the Beehive  . . . . . . . . 65--65
                      Anonymous   The Locust in Minnesota  . . . . . . . . 65--65
                      Anonymous   Four Hundred and Forty-Four Miles, at
                                  Over Forty Miles Per Hour, and Three
                                  Stops  . . . . . . . . . . . . . . . . . 65--65
                      Anonymous   The Mezzana-Corti Bridge Over the River
                                  Po . . . . . . . . . . . . . . . . . . . 66--67
                      Anonymous   Rolling Bridge Between St. Servan and
                                  St. Malo . . . . . . . . . . . . . . . . 67--67
                      Anonymous   The Degerfors Iron Works, Sweden . . . . 67--68
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 69--69
                      Anonymous   Improved Sewing Machine Motor  . . . . . 70--70
                      Anonymous   The Sundridge Park Conservatory, England 71--71
                      Anonymous   The British International Exhibitions    71--71
                      Anonymous   Hydrophobia-Practical Suggestions
                                  For:its Prevention and Cure  . . . . . . 72--72
                      Anonymous   How Shall I Introduce my Invention?  . . 72--72
                      Anonymous   Decisions of the Courts  . . . . . . . . 72--72
                      Anonymous   Recent American and foreign patents  . . 72--73
                      Anonymous   Answers and correspondents . . . . . . . 74--75
                      Anonymous   Communications Received  . . . . . . . . 75--75
                      Anonymous   Canadian Patents . . . . . . . . . . . . 76--76

Scientific American
Volume 31, Number 6, August 8, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 84--84
                      Anonymous   Books: New Books and Publications  . . . 88--88
                      Anonymous   Business and Personal  . . . . . . . . . 90--90
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--92
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 93--93
                      Anonymous   New Granary at Bristol, England  . . . . 79--80
                      Anonymous   The Simultaneous Perception of Sounds    80--80
                      Anonymous   The Aquarium . . . . . . . . . . . . . . 80--80
                      Anonymous   The Practical Man  . . . . . . . . . . . 80--81
                      Anonymous   Language of Insects and Animals  . . . . 81--81
                      Anonymous   Dead Cities  . . . . . . . . . . . . . . 81--81
                      Anonymous   Scientific and Practical Information . . 81--82
                      Anonymous   An Iris and an Orchid  . . . . . . . . . 82--82
                      Anonymous   Oak Apples or Galls  . . . . . . . . . . 82--82
                      Anonymous   The Flower Markets of Florence, Italy    83--83
                      Anonymous   Recent Archeological Explorations  . . . 83--84
                      Anonymous   Medical Notes  . . . . . . . . . . . . . 85--85
                      Anonymous   Ord's Cut-Off Governor . . . . . . . . . 86--86
                      Anonymous   Improved Paint Brush . . . . . . . . . . 86--86
                      Anonymous   The Messrs. Stevens of Hoboken, and
                                  their Ironclads  . . . . . . . . . . . . 87--88
                      Anonymous   Decisions of the Courts  . . . . . . . . 88--88
                      Anonymous   Recent American and Foreign Patents  . . 88--89
                      Anonymous   Answers to Correspondents  . . . . . . . 90--92
                      Anonymous   Communications Received  . . . . . . . . 92--92
                      Anonymous   Canadian Patents . . . . . . . . . . . . 92--92

Scientific American
Volume 31, Number 7, August 15, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 100--100
                      Anonymous   Business and Personal  . . . . . . . . . 106--106
                      Anonymous   Index of Inventions  . . . . . . . . . . 108--108
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 109--109
                      Anonymous   The Gartsherrie Iron Industry  . . . . . 95--95
                      Anonymous   A New Theory of the Formation of
                                  Diamonds . . . . . . . . . . . . . . . . 96--96
                      Anonymous   The Exploration of the Libyan Desert . . 96--96
                      Anonymous   Can you Swim . . . . . . . . . . . . . . 96--97
                      Anonymous   Professor Huxley and Harvard . . . . . . 97--97
                      Anonymous   Disastrous Floods  . . . . . . . . . . . 97--97
                      Anonymous   Tides in the Gulf of Mexico  . . . . . . 97--97
                      Anonymous   Fracture By Long-Continued Jarring . . . 97--97
                      Anonymous   English Food Adulteration  . . . . . . . 97--97
                      Anonymous   Improved Vertical Boiler . . . . . . . . 98--98
                      Anonymous   Improved Crow and Tamping Bar  . . . . . 98--98
                      Anonymous   A Water Belt for Transmitting Motion . . 99--99
                      Anonymous   A New Sectional Balloon  . . . . . . . . 99--100
                      Anonymous   Railways in New York City  . . . . . . . 100--100
                    Joshua Rose   Practical Mechanism. Number VI . . . . . 101--101
                      Anonymous   Improved Metal Cutting and Punching
                                  Machine  . . . . . . . . . . . . . . . . 102--102
                      Anonymous   Holden's Improved Loose Pulley . . . . . 102--102
                      Anonymous   Davis' Improved Hub  . . . . . . . . . . 102--103
                      Anonymous   The Chilian Exposition . . . . . . . . . 103--104
                      Anonymous   Importance of Advertising  . . . . . . . 104--104
                      Anonymous   Decisions of the Courts  . . . . . . . . 104--104
                      Anonymous   Recent American and Foreign Patents  . . 105--105
                      Anonymous   Answers to Correspondents  . . . . . . . 106--108
                      Anonymous   Communications Received  . . . . . . . . 108--108
                      Anonymous   Canadian Patents . . . . . . . . . . . . 108--108

Scientific American
Volume 31, Number 8, August 22, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 116--117
                      Anonymous   Books: New Books and Publications  . . . 121--121
                      Anonymous   Business and Personal  . . . . . . . . . 123--123
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--124
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 126--126
                      Anonymous   Improved Machine for Unloading Grain . . 111--111
                      Anonymous   Rotative Versus Rotary Engines . . . . . 112--112
                      Anonymous   The Fabrication of Antiques  . . . . . . 112--112
                      Anonymous   Meteorological and Medical Statistics    112--112
                      Anonymous   Kite Tails and Telegraph Wires . . . . . 113--113
                      Anonymous   Influence of the Earth's Figure on
                                  Geologic Changes . . . . . . . . . . . . 113--113
                      Anonymous   Our Six Legged Rivals  . . . . . . . . . 113--113
                      Anonymous   Small Engines and Boilers  . . . . . . . 113--113
                      Anonymous   Scientific and Practical Information . . 113--113
                      Anonymous   The Transit of Venus . . . . . . . . . . 114--114
                      Anonymous   A Four-Antlered Deer's Head  . . . . . . 114--114
                      Anonymous   Modern German Artillery  . . . . . . . . 115--115
                      Anonymous   New Geological Discovery . . . . . . . . 115--116
                      Anonymous   Young's Water Main Tapping Machine . . . 118--118
                      Anonymous   Improved Dumping Wagon . . . . . . . . . 118--118
                      Anonymous   The Western Locust Plague  . . . . . . . 119--121
                      Anonymous   How Shall I Introduce My Invention!  . . 121--121
                      Anonymous   Recent American and Foreign Patents  . . 121--122
                      Anonymous   Answers to Correspondents  . . . . . . . 123--124
                      Anonymous   Communications Received  . . . . . . . . 124--124
                      Anonymous   Canadian Patents . . . . . . . . . . . . 124--124

Scientific American
Volume 31, Number 9, August 29, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 132--132
                      Anonymous   Books: New Books and Publications  . . . 136--136
                      Anonymous   Business and Personal  . . . . . . . . . 138--138
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   Improved Rebolting Machine . . . . . . . 127--127
                      Anonymous   The Combination Foot Lathe . . . . . . . 127--128
                      Anonymous   The Light of Coming Days . . . . . . . . 128--128
                      Anonymous   A Chance for Inventors . . . . . . . . . 128--128
                      Anonymous   A City Built by One Man  . . . . . . . . 128--128
                      Anonymous   Fire Damp Explosions Produced by Sound   129--129
                      Anonymous   Proceedings of the American Association
                                  for the Advancement of Science . . . . . 129--129
                      Anonymous   A Portable Railway . . . . . . . . . . . 130--131
                      Anonymous   Fabric Printing Machine  . . . . . . . . 131--131
                      Anonymous   Scientific and Practical Information . . 131--131
                Richard H. Buel   Specific Heat  . . . . . . . . . . . . . 132--133
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 133--133
                      Anonymous   The Blackstone and Elmer Water Wheel . . 134--134
                      Anonymous   Improved Hand Crank Drill  . . . . . . . 134--134
                      Anonymous   Bouquets from Field and Garden . . . . . 135--136
                      Anonymous   A New Scientific Museum  . . . . . . . . 136--136
                      Anonymous   Decisions of the Courts  . . . . . . . . 136--136
                      Anonymous   Recent American and Foreign Patents  . . 136--137
                      Anonymous   Answers to Correspondents  . . . . . . . 138--140
                      Anonymous   Communications Received  . . . . . . . . 140--140
                      Anonymous   Canadian Patents . . . . . . . . . . . . 140--140

Scientific American
Volume 31, Number 10, September 5, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 148--148
                      Anonymous   Books: New Books and Publications  . . . 153--153
                      Anonymous   Business and Personal  . . . . . . . . . 155--155
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--157
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 158--158
                      Anonymous   Sir William Fairbairn  . . . . . . . . . 143--144
                      Anonymous   New Industrial Resources of French
                                  Colonies . . . . . . . . . . . . . . . . 144--144
                      Anonymous   The Torpedo Practice at Newport  . . . . 144--144
                      Anonymous   Recent Metallurgical Researches  . . . . 144--144
                      Anonymous   Protection from Lightning  . . . . . . . 144--145
                      Anonymous   The Electromotograph...A New Discovery
                                  in Telegraphy  . . . . . . . . . . . . . 145--145
                      Anonymous   The Transfusion of Blood . . . . . . . . 146--146
                      Anonymous   Popular Fallacies  . . . . . . . . . . . 148--148
                      Anonymous   Medical Notes  . . . . . . . . . . . . . 149--149
                      Anonymous   Scientific and Practical Information . . 149--149
                      Anonymous   A New Motor  . . . . . . . . . . . . . . 150--150
                      Anonymous   Folsom's Improved Locking Latch  . . . . 150--150
                      Anonymous   Webster's Improved Faucet  . . . . . . . 150--150
                      Anonymous   Manufacture of Mortar Bricks . . . . . . 151--151
                      Anonymous   Proceedings of the American Association
                                  for the Advancement of Science . . . . . 152--153
                      Anonymous   The Vibrations of Solids Optically
                                  Studied  . . . . . . . . . . . . . . . . 153--153
                      Anonymous   Importance of Advertising  . . . . . . . 153--153
                      Anonymous   Recent American and Foreign Patents  . . 153--154
                      Anonymous   Answers to Correspondents  . . . . . . . 155--156
                      Anonymous   Communications Received  . . . . . . . . 156--156
                      Anonymous   Canadian Patents . . . . . . . . . . . . 157--157

Scientific American
Volume 31, Number 11, September 12, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 165--165
                      Anonymous   Business and Personal  . . . . . . . . . 171--171
                      Anonymous   Index of Inventions  . . . . . . . . . . 172--172
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 174--174
                      Anonymous   Improved Diamond Stone Sawing Machine    159--159
                      Anonymous   Can We Stay? . . . . . . . . . . . . . . 160--160
                      Anonymous   Prepare for the Centennial . . . . . . . 160--160
                      Anonymous   Penholders . . . . . . . . . . . . . . . 160--160
                      Anonymous   The Microscope as a Criminal Detective   160--161
                      Anonymous   The Engineer's Trial Trip of the Pacific
                                  Mail Steamer City of Peking  . . . . . . 161--161
                      Anonymous   Diagram Showing the General Arrangement
                                  of the Machinery and Coal Bunkers of the
                                  City of Piking . . . . . . . . . . . . . 161--161
                      Anonymous   The Grape Phylloxera --- Sixty Thousand
                                  Dollars Reward Offered for a Remedy for
                                  the Grape Disease  . . . . . . . . . . . 162--163
                      Anonymous   Improved Vertical Planing Machine  . . . 163--163
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 164--165
                      Anonymous   Improved Gas Regulator . . . . . . . . . 166--166
                      Anonymous   Youngman's Improved Slide Valve  . . . . 166--166
                      Anonymous   India Rubber Shoes for Horses  . . . . . 166--166
                      Anonymous   A Balloon Steering Device  . . . . . . . 167--168
                      Anonymous   Proceedings of The American Association
                                  for The Advancement of Science . . . . . 168--168
                      Anonymous   New Treatment for Throat and Nose
                                  Diseases . . . . . . . . . . . . . . . . 168--168
                      Anonymous   Ventilation of Railway Tunnels . . . . . 169--169
                      Anonymous   How Shall I Introduce My Invention?  . . 169--169
                      Anonymous   New Books and Publications . . . . . . . 169--169
                      Anonymous   Recent American and Foreign Patents  . . 170--170
                      Anonymous   Answers to Correspondents  . . . . . . . 171--172
                      Anonymous   Communications Received  . . . . . . . . 172--172
                      Anonymous   Schedule of Patent Fees  . . . . . . . . 172--172
                      Anonymous   Canadian Patents . . . . . . . . . . . . 172--172

Scientific American
Volume 31, Number 12, September 19, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 180--180
                      Anonymous   Business and Personal  . . . . . . . . . 187--187
                      Anonymous   Index of Inventions  . . . . . . . . . . 188--188
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 190--190
                      Anonymous   Cleveland Iron Industry and its Founders 175--175
                      Anonymous   Professor Tyndall's Address before the
                                  British Association  . . . . . . . . . . 176--176
                      Anonymous   A Woman without Bones  . . . . . . . . . 176--176
                      Anonymous   Living Barometers  . . . . . . . . . . . 176--176
                      Anonymous   Plumbers' Carelessness . . . . . . . . . 176--177
                      Anonymous   Quick as Wink  . . . . . . . . . . . . . 177--177
                      Anonymous   What Makes the Apples Rot? . . . . . . . 177--177
                      Anonymous   Fat in Forage Plants . . . . . . . . . . 177--177
                      Anonymous   Scientific and Practical Information . . 177--177
                      Anonymous   New Investigations upon Scorpions and
                                  their Venom  . . . . . . . . . . . . . . 178--178
                      Anonymous   A Hand Coal Cutter . . . . . . . . . . . 178--178
                      Anonymous   The Yellowstone Hot Springs  . . . . . . 179--180
                      Anonymous   Dentistry in the United States . . . . . 181--181
                      Anonymous   Improved Water Wheel Governor  . . . . . 182--182
                      Anonymous   Disaster in Launching a Turret Ship on
                                  the Thames . . . . . . . . . . . . . . . 183--183
                      Anonymous   Burnishing Surface Colored Papers  . . . 183--185
                      Anonymous   Decisions of the Courts  . . . . . . . . 185--185
                      Anonymous   Recent American and Foreign Patents  . . 185--186
                      Anonymous   Answers to Correspondents  . . . . . . . 187--188
                      Anonymous   Communications Received  . . . . . . . . 188--188
                      Anonymous   Canadian Patents . . . . . . . . . . . . 188--188

Scientific American
Volume 31, Number 13, September 26, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 196--196
                      Anonymous   Books: New Books and Publications  . . . 200--200
                      Anonymous   Business and Personal  . . . . . . . . . 202--202
                      Anonymous   Index of Inventions  . . . . . . . . . . 204--204
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 206--206
                      Anonymous   The American Stove Plate Dressing
                                  Machine  . . . . . . . . . . . . . . . . 191--191
                      Anonymous   Kinzel's Railway Track Lifter  . . . . . 191--191
                      Anonymous   Animals are Automata . . . . . . . . . . 192--192
                      Anonymous   Professor Tyndall's Address  . . . . . . 192--192
                      Anonymous   Vivisection  . . . . . . . . . . . . . . 192--193
                      Anonymous   American Beacon Lights . . . . . . . . . 193--193
                      Anonymous   Alaska and the Icelanders  . . . . . . . 193--193
                      Anonymous   Queer Rains  . . . . . . . . . . . . . . 193--193
                      Anonymous   The Fair of the American Institute . . . 193--193
                      Anonymous   Improved Adjustable Clamp  . . . . . . . 194--194
                      Anonymous   Furnaces, their Construction and
                                  Management . . . . . . . . . . . . . . . 194--194
                      Anonymous   Starling's Ferrule and Hook for
                                  Whiffletrees . . . . . . . . . . . . . . 194--194
                      Anonymous   Improved Rudder  . . . . . . . . . . . . 195--195
                      Anonymous   On Lifeboats . . . . . . . . . . . . . . 195--196
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 197--198
                      Anonymous   Lordon's Improved Lantern  . . . . . . . 198--198
                      Anonymous   The Fire on the Hearth . . . . . . . . . 198--198
                      Anonymous   Rowland's Wagon Jack . . . . . . . . . . 198--198
                      Anonymous   Improved Brick; Pressing Machine . . . . 199--199
                      Anonymous   Novel Engine and Boiler  . . . . . . . . 199--199
                      Anonymous   Dentistry in the United States . . . . . 200--200
                      Anonymous   Medical Notes  . . . . . . . . . . . . . 200--200
                      Anonymous   Decisions of the Courts  . . . . . . . . 200--200
                      Anonymous   Recent American and Foreign Patents  . . 201--201
                      Anonymous   Answers to Correspondents  . . . . . . . 202--204
                      Anonymous   Communications Received  . . . . . . . . 204--204
                      Anonymous   Canadian Patents . . . . . . . . . . . . 204--204

Scientific American
Volume 31, Number 14, October 3, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 212--213
                      Anonymous   Business and Personal  . . . . . . . . . 218--218
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--220
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 222--222
                      Anonymous   Improved Machine for Turning Carriage
                                  Axles  . . . . . . . . . . . . . . . . . 207--207
                      Anonymous   Whitford's Improved Potato Coverer . . . 207--207
                      Anonymous   Candle Flames and Streaks of Cloud . . . 208--208
                      Anonymous   The Relation of Mechanical Engineering
                                  to Industrial Operations . . . . . . . . 208--208
                      Anonymous   Co-Operation in Great Britain  . . . . . 208--209
                      Anonymous   Hints to Architects and Builders . . . . 209--209
                      Anonymous   Pneumatic Burial . . . . . . . . . . . . 209--209
                      Anonymous   Compressed Air Machinery . . . . . . . . 209--209
                      Anonymous   Horizontal Compound Engine . . . . . . . 211--211
                      Anonymous   Solar Radiation Thermometer  . . . . . . 211--211
                      Anonymous   Dentistry: In the United States  . . . . 212--212
                      Anonymous   Improved Soap Crutching Machine  . . . . 214--214
                      Anonymous   Davidson's Improved Floor Clamp  . . . . 214--214
                      Anonymous   A New Grapnel  . . . . . . . . . . . . . 214--214
                      Anonymous   Double Bogie Locomotive  . . . . . . . . 215--215
                      Anonymous   Apparatus for Raising Sunken Vessels . . 215--215
                      Anonymous   Hydraulic Mining . . . . . . . . . . . . 216--216
                      Anonymous   The Proceedings of the British
                                  Association for the Advancement of
                                  Science  . . . . . . . . . . . . . . . . 216--216
                      Anonymous   Decisions of the Courts  . . . . . . . . 216--216
                      Anonymous   Recent American and Foreign Patents  . . 217--217
                      Anonymous   Answers to Correspondents  . . . . . . . 218--220
                      Anonymous   Communications Received  . . . . . . . . 220--220
                      Anonymous   Canadian Patents . . . . . . . . . . . . 220--220

Scientific American
Volume 31, Number 15, October 10, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 228--228
                      Anonymous   Business and Personal  . . . . . . . . . 235--235
                      Anonymous   Index of Inventions  . . . . . . . . . . 236--236
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 237--237
                      Anonymous   Improved Current Water Wheel . . . . . . 223--223
                      Anonymous   The Scientific Treatment of Criminals    224--224
                      Anonymous   Huxley's Theory of Man . . . . . . . . . 224--225
                      Anonymous   Alcohol, Food, and Force . . . . . . . . 225--225
                      Anonymous   Bulls on the Track . . . . . . . . . . . 225--225
                      Anonymous   Furnace for the Large Hammer at Woolwich
                                  England  . . . . . . . . . . . . . . . . 226--226
                      Anonymous   American Railroad Stations . . . . . . . 227--227
                      Anonymous   The Weak Points in Iron Castings . . . . 227--228
                      Anonymous   Geological Records of Life . . . . . . . 228--228
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 229--229
                      Anonymous   Improved Pipe and Bolt Threader, Cutter,
                                  and Nut Tapping Machine  . . . . . . . . 230--230
                      Anonymous   Jones' Heel Trimming Machine . . . . . . 230--230
                      Anonymous   New Yacht for the Khedive of Egypt . . . 231--231
                      Anonymous   Dentistry in the United States . . . . . 232--232
                      Anonymous   The Fair of the American Institute . . . 233--233
                      Anonymous   Medical Notes  . . . . . . . . . . . . . 233--233
                      Anonymous   Decisions of the Courts  . . . . . . . . 233--233
                      Anonymous   Recent American and Foreign Patents  . . 234--234
                      Anonymous   Answers to Correspondents  . . . . . . . 235--235
                      Anonymous   Communications Received  . . . . . . . . 235--235
                      Anonymous   Canadian Patents . . . . . . . . . . . . 236--236

Scientific American
Volume 31, Number 16, October 17, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 244--244
                      Anonymous   Books: New Books and Publications  . . . 248--248
                      Anonymous   Business and Personal  . . . . . . . . . 250--250
                      Anonymous   Index of Inventions  . . . . . . . . . . 252--252
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 254--254
                      Anonymous   Machine for Molding Metal Castings . . . 239--240
                      Anonymous   Our Fever Nests and Their Remedy . . . . 240--240
                      Anonymous   Measurement of a Screw Propeller . . . . 240--241
                      Anonymous   Crime Epidemics  . . . . . . . . . . . . 241--241
                      Anonymous   The Commissionership of Patents  . . . . 241--241
                      Anonymous   Influence of the Price of Coal on Ship
                                  Building . . . . . . . . . . . . . . . . 241--241
                      Anonymous   Peculiar People  . . . . . . . . . . . . 241--241
                      Anonymous   The Automatic Cow Milker . . . . . . . . 242--242
                      Anonymous   Enameled and Embossed Photographs  . . . 242--242
                      Anonymous   Worswick's Improved Pump Mechanism . . . 242--242
                      Anonymous   Muller's Non-Explosive Self-Lighter  . . 242--242
                      Anonymous   Shoemakers' Combination Tool . . . . . . 242--242
                      Anonymous   New Steam Plows  . . . . . . . . . . . . 243--244
                      Anonymous   Coal Burning Locomotives in the South    244--244
                      Anonymous   Dentistry in the United States . . . . . 245--245
                      Anonymous   Arsenic in Agricultural and Technical
                                  Products . . . . . . . . . . . . . . . . 245--245
                      Anonymous   Improved Steam Boiler  . . . . . . . . . 246--246
                      Anonymous   The Guernsey Breed of Cattle . . . . . . 247--247
                      Anonymous   The Proceedings of the British
                                  Association for the Advancement of
                                  Science  . . . . . . . . . . . . . . . . 247--247
                      Anonymous   The Fair of the American Institute . . . 248--248
                      Anonymous   The International Rifle Contest  . . . . 248--248
                      Anonymous   Decisions of the Courts  . . . . . . . . 248--248
                      Anonymous   Recent American and Foreign Patents  . . 249--249
                      Anonymous   Answers to Correspondents  . . . . . . . 250--251
                      Anonymous   Communications Received  . . . . . . . . 251--252
                      Anonymous   Canadian Patents . . . . . . . . . . . . 252--252

Scientific American
Volume 31, Number 17, October 24, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 260--260
                      Anonymous   Business and Personal  . . . . . . . . . 266--266
                      Anonymous   Index of Inventions  . . . . . . . . . . 267--268
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 268--268
                      Anonymous   Combination Ice and Freezing House . . . 255--255
                      Anonymous   Gain from the Application of Condensers
                                  to Steam Engines . . . . . . . . . . . . 256--256
                      Anonymous   Impracticable Inventors  . . . . . . . . 256--256
                      Anonymous   Railroad Employees and their Pay . . . . 256--257
                      Anonymous   Improvised Apparatus for Steam Boiler
                                  Trials . . . . . . . . . . . . . . . . . 257--257
                      Anonymous   Scientific and Practical Information . . 257--257
                      Anonymous   New Portable Engine  . . . . . . . . . . 258--258
                      Anonymous   Improvement in Cable Telegraphy  . . . . 258--258
                      Anonymous   New Instrument for Estimating Urea . . . 258--258
                      Anonymous   The Pacific Ocean Telegraph  . . . . . . 259--259
                      Anonymous   The Hydraulic Ram  . . . . . . . . . . . 259--260
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 261--261
                      Anonymous   Improved Air Spring Forge Hammer . . . . 262--262
                      Anonymous   A New Boiler Covering  . . . . . . . . . 262--262
                      Anonymous   Dough Kneader and Cutter . . . . . . . . 262--262
                      Anonymous   The Cultivation of the Victoria Regia    263--263
                      Anonymous   Long Moss  . . . . . . . . . . . . . . . 263--263
                      Anonymous   The Early History of Wheeled Vehicles
                                  and Railways . . . . . . . . . . . . . . 264--264
                      Anonymous   Recent American and Foreign Patents  . . 264--265
                      Anonymous   Answers to Correspondents  . . . . . . . 266--267
                      Anonymous   Communications Received  . . . . . . . . 267--267
                      Anonymous   Canadian Patents . . . . . . . . . . . . 268--268

Scientific American
Volume 31, Number 18, October 31, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 276--277
                      Anonymous   Books: New Books and Publications  . . . 280--280
                      Anonymous   Business and Personal  . . . . . . . . . 282--282
                      Anonymous   Index of Inventions  . . . . . . . . . . 284--284
                      Anonymous   The Tanite Company's New Milling Machine 271--271
                      Anonymous   A Panic at the Patent Office . . . . . . 272--272
                      Anonymous   Economy in Eating  . . . . . . . . . . . 272--273
                      Anonymous   Demoniacal Possessions . . . . . . . . . 273--273
                      Anonymous   Reports on Small Engines . . . . . . . . 273--273
                      Anonymous   Improved Draftsman's Rule  . . . . . . . 274--274
                      Anonymous   A Siphon for Poisonous Liquids and Acids 274--274
                      Anonymous   The Fairmount Park Bear Pits . . . . . . 275--275
                      Anonymous   Milk Cooling Can . . . . . . . . . . . . 275--275
                      Anonymous   Lights for Greenhouses . . . . . . . . . 275--276
                      Anonymous   Spiders' Webs and Spinnerets . . . . . . 276--276
                      Anonymous   Some New Galvanic Batteries  . . . . . . 277--277
                      Anonymous   Improved Self-Locking Padlock  . . . . . 278--278
                      Anonymous   Improved Disintegrator . . . . . . . . . 278--278
                      Anonymous   The English Channel Steamers . . . . . . 279--279
                      Anonymous   The Early History of Wheeled Vehicles
                                  and Railways . . . . . . . . . . . . . . 279--280
                      Anonymous   Decisions of the Courts  . . . . . . . . 280--280
                      Anonymous   Recent American and Foreign Patents  . . 281--281
                      Anonymous   Answers to Correspondents  . . . . . . . 282--283
                      Anonymous   Communications Received  . . . . . . . . 284--284
                      Anonymous   Canadian Patents . . . . . . . . . . . . 284--284

Scientific American
Volume 31, Number 19, November 7, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 292--292
                      Anonymous   Business and Personal  . . . . . . . . . 298--298
                      Anonymous   Index of Inventions  . . . . . . . . . . 300--300
                      Anonymous   Automatic Fire Governor for Gas Works    287--287
                      Anonymous   Improved Coal Screen . . . . . . . . . . 287--288
                      Anonymous   Gain from the Use of Feed Water Heaters  288--288
                      Anonymous   A Special Edition of the
                                  \booktitleScientific American --- One
                                  Hundred Thousand Copies  . . . . . . . . 288--288
                      Anonymous   Cost of Tunnels  . . . . . . . . . . . . 288--289
                      Anonymous   Explosive Wounds from Non-Explosive
                                  Bullets  . . . . . . . . . . . . . . . . 289--289
                      Anonymous   What Temperature Kills?  . . . . . . . . 289--289
                      Anonymous   Scientific and Practical Information . . 289--289
                      Anonymous   Peas Three Thousand Years Old  . . . . . 290--290
                      Anonymous   The Aerial Screw . . . . . . . . . . . . 290--290
                      Anonymous   M. De Groof's Parachute  . . . . . . . . 290--290
                      Anonymous   The Ruins of Troy  . . . . . . . . . . . 291--291
                      Anonymous   Universal Angle Bricks . . . . . . . . . 291--291
                      Anonymous   Astronomical Notes . . . . . . . . . . . 292--292
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 293--293
                      Anonymous   Improved Stump Sawing Machine  . . . . . 294--294
                      Anonymous   Moat's Improved Lock . . . . . . . . . . 294--294
                      Anonymous   The Southport Aquarium and Winter Garden 295--295
                    G. Von Rath   Sulphur in Sicily, and Its Reduction
                                  from the Ore . . . . . . . . . . . . . . 295--296
                      Anonymous   The Fair of the American Institute . . . 296--296
                      Anonymous   Recent American and Foreign Patents  . . 297--297
                      Anonymous   Answers to Correspondents  . . . . . . . 298--299
                      Anonymous   Communications Received  . . . . . . . . 299--299
                      Anonymous   Canadian Patents . . . . . . . . . . . . 300--300

Scientific American
Volume 31, Number 20, November 14, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 308--309
                      Anonymous   Business and Personal  . . . . . . . . . 314--314
                      Anonymous   Index of Inventions  . . . . . . . . . . 315--316
                      Anonymous   The Myers Rotary Engine  . . . . . . . . 303--304
                      Anonymous   Rapid Transit in the City of New York    304--304
                      Anonymous   Hints to Inventors and Capitalists . . . 304--305
                      Anonymous   Chloroform Dangers . . . . . . . . . . . 305--305
                      Anonymous   Masters and Men  . . . . . . . . . . . . 305--305
                      Anonymous   The Development of Subterranean Heat . . 305--305
                      Anonymous   Novel Plan for Building Submarine
                                  Structures . . . . . . . . . . . . . . . 306--306
                      Anonymous   Carrier Pigeons  . . . . . . . . . . . . 306--306
                      Anonymous   The Underground Railway, New York City   307--308
                      Anonymous   Crucibles  . . . . . . . . . . . . . . . 309--309
                      Anonymous   Improved Sash Boring and Grooving
                                  Machine  . . . . . . . . . . . . . . . . 310--310
                      Anonymous   Improved Surface Blow-Off  . . . . . . . 310--310
                      Anonymous   Barrow-in-Furness (England) and Its
                                  Founder  . . . . . . . . . . . . . . . . 311--312
                      Anonymous   The Franklin Institute Exhibition  . . . 312--312
                      Anonymous   Recent American and Foreign Patents  . . 313--313
                      Anonymous   Answers to Correspondents  . . . . . . . 314--315
                      Anonymous   Communications Received  . . . . . . . . 315--315
                      Anonymous   Canadian Patents . . . . . . . . . . . . 316--316

Scientific American
Volume 31, Number 21, November 21, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 324--325
                      Anonymous   Books: New Books and Publications  . . . 330--330
                      Anonymous   Business and Personal  . . . . . . . . . 331--331
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   The Hamilton Surface Planer  . . . . . . 319--319
                      Anonymous   Cheap Workmen Make Dear Work . . . . . . 320--320
                      Anonymous   The Relation of Alcohol to Physical
                                  Strength . . . . . . . . . . . . . . . . 320--320
                      Anonymous   The Labor Prospects for the Winter . . . 320--321
                      Anonymous   The Sensation of Pain in the Lower
                                  Animals  . . . . . . . . . . . . . . . . 321--321
                      Anonymous   Scientific and Practical Information . . 321--321
                      Anonymous   The Automatic Gas Saves  . . . . . . . . 322--322
                      Anonymous   Chain Towage on the St. Lawrence . . . . 322--322
                      Anonymous   The Underground Railway, New York City   323--323
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 325--326
                      Anonymous   A New Detachable Horseshoe . . . . . . . 326--326
                      Anonymous   Willahs' Three-Cylinder Engine . . . . . 326--326
                      Anonymous   Improved Cork-Soled Boots  . . . . . . . 326--326
                      Anonymous   The Buildings for the Centennial
                                  Exhibition . . . . . . . . . . . . . . . 327--328
                      Anonymous   The Franklin Institute Exhibition  . . . 328--329
                      Anonymous   Recent American and Foreign Patents  . . 330--330
                      Anonymous   Answers to Correspondents  . . . . . . . 331--331
                      Anonymous   Communications Received  . . . . . . . . 332--332
                      Anonymous   Canadian Patents . . . . . . . . . . . . 332--332

Scientific American
Volume 31, Number 22, November 28, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 340--340
                      Anonymous   Business and Personal  . . . . . . . . . 346--346
                      Anonymous   Index of Inventions  . . . . . . . . . . 348--348
                      Anonymous   The Shapley Engine . . . . . . . . . . . 335--335
                      Anonymous   Exhaust Steam for Heating Purposes . . . 336--336
                      Anonymous   Prison Reform  . . . . . . . . . . . . . 336--336
                      Anonymous   A Possible Improvement in House Heating  336--337
                      Anonymous   Mechanical Aesthetics and Practical Men  337--337
                      Anonymous   Scientific and Practical Information . . 337--337
                      Anonymous   To Underground Railway, New York City    338--340
                      Anonymous   The National Academy of Science  . . . . 341--341
                      Anonymous   Improved Pinking Iron  . . . . . . . . . 342--342
                      Anonymous   Biddle's Hydraulic Jack  . . . . . . . . 342--342
                      Anonymous   A Novel Milk Can . . . . . . . . . . . . 342--342
                      Anonymous   Improved Hatchet . . . . . . . . . . . . 342--342
                      Anonymous   The Late John Laird  . . . . . . . . . . 343--343
                      Anonymous   The Fair of the American Institute . . . 344--344
                      Anonymous   Recent American and Foreign Patents  . . 344--345
                      Anonymous   Answers to Correspondents  . . . . . . . 346--347
                      Anonymous   Communication Received . . . . . . . . . 347--348
                      Anonymous   Canadian Patents . . . . . . . . . . . . 348--348

Scientific American
Volume 31, Number 23, December 5, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 356--357
                      Anonymous   Books: New Books and Publications  . . . 361--361
                      Anonymous   Business and Personal  . . . . . . . . . 362--362
                      Anonymous   Index of Inventions  . . . . . . . . . . 364--364
                      Anonymous   Bridge on the Mont Cenis Railway . . . . 351--351
                      Anonymous   Suction  . . . . . . . . . . . . . . . . 352--352
                      Anonymous   Operations of the Patent Office  . . . . 352--352
                      Anonymous   What is Steel! . . . . . . . . . . . . . 352--352
                      Anonymous   Rusting of Railway Rails . . . . . . . . 352--353
                      Anonymous   The Mechanic of the Future . . . . . . . 353--353
                      Anonymous   Characteristics of a Business King . . . 353--354
                      Anonymous   The Docks at Portsmouth, England . . . . 354--354
                      Anonymous   Peat Fuel  . . . . . . . . . . . . . . . 356--356
                      Anonymous   Astronomical Notes . . . . . . . . . . . 356--356
                      Anonymous   The New French Army Gun  . . . . . . . . 358--358
                      Anonymous   A Bridle and a Blinder for Unruly Horses 358--358
                      Anonymous   Smith's Improved Rein Holder . . . . . . 358--358
                      Anonymous   The Indoor Garden and the Shrubbery  . . 359--360
                      Anonymous   Patent Office Yearly Report  . . . . . . 360--360
                      Anonymous   Scientific and Practical Information . . 360--361
                      Anonymous   Recent American and Foreign Patents  . . 361--361
                      Anonymous   Answers to Correspondents  . . . . . . . 362--363
                      Anonymous   Communications Received  . . . . . . . . 364--364
                      Anonymous   Canadian Patents . . . . . . . . . . . . 364--364

Scientific American
Volume 31, Number 24, December 12, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 372--372
                      Anonymous   Business and Personal  . . . . . . . . . 379--379
                      Anonymous   Index of Inventions  . . . . . . . . . . 380--380
                      Anonymous   The Keokuk (Iowa) Bridge . . . . . . . . 367--367
                      Anonymous   The Patent Office  . . . . . . . . . . . 368--368
                      Anonymous   The Illumination of Art Galleries  . . . 368--368
                      Anonymous   Solvents for Rubber  . . . . . . . . . . 368--368
                      Anonymous   Polychrome Printing  . . . . . . . . . . 368--368
                      Anonymous   American Oyster Culture  . . . . . . . . 368--369
                      Anonymous   The Coal and Iron Products of the World  369--369
                      Anonymous   To our Present and Future Subscribers    369--369
                      Anonymous   Scientific and Practical Information . . 369--369
                      Anonymous   Wire Tramways  . . . . . . . . . . . . . 370--370
                      Anonymous   A Device for Preventing Priming  . . . . 370--370
                      Anonymous   The Underground Railway, New York City   371--372
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 373--373
                      Anonymous   The City of Pittsburgh and Its
                                  Industries . . . . . . . . . . . . . . . 376--376
                      Anonymous   New Railway Tunnel under the Hudson
                                  River, between New York and Jersey City  376--376
                      Anonymous   A New Hot Air Balloon  . . . . . . . . . 377--377
                      Anonymous   Safety Catch for Cranes  . . . . . . . . 377--378
                      Anonymous   Recent American and Foreign Patents  . . 378--378
                      Anonymous   Answers to Correspondents  . . . . . . . 379--380
                      Anonymous   Communications Received  . . . . . . . . 380--380
                      Anonymous   Canadian Patents . . . . . . . . . . . . 380--380

Scientific American
Volume 31, Number 25, December 19, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 388--388
                      Anonymous   Business and Personal  . . . . . . . . . 395--395
                      Anonymous   Index of Inventions  . . . . . . . . . . 395--396
                      Anonymous   The Whitworth Industrial Scholarships    383--383
                      Anonymous   Publishers' Card . . . . . . . . . . . . 384--384
                      Anonymous   The Patent Office Again  . . . . . . . . 384--384
                      Anonymous   Two Typical Experiments  . . . . . . . . 384--385
                      Anonymous   Mica Mines in North Carolina . . . . . . 385--385
                      Anonymous   Tyndall on Typhoid . . . . . . . . . . . 385--385
                      Anonymous   How to Investigate Spiritualism  . . . . 385--385
                      Anonymous   Floating Fire Engines  . . . . . . . . . 386--386
                      Anonymous   The Crystallization of Glass . . . . . . 386--386
                      Anonymous   New Cloth-Singeing Machine . . . . . . . 386--386
                      Anonymous   The Normal College, New York City  . . . 387--387
                      Anonymous   Apid Estimation of Phosphoric Acid,
                                  Magnesia, and Lime . . . . . . . . . . . 388--388
                      Anonymous   Pendulum Governors . . . . . . . . . . . 389--389
                      Anonymous   Improved Spike Extractor . . . . . . . . 390--390
                      Anonymous   The Ericsson Pneumatic Torpedo . . . . . 390--390
                      Anonymous   Copper's Improved Transplanter . . . . . 390--390
                      Anonymous   The Yuccas . . . . . . . . . . . . . . . 391--391
                      Anonymous   The \em Hymenocalyx Undulata . . . . . . 391--392
                    C. A. Young   The Constitution of the Sun  . . . . . . 393--393
                  J. T. Sprague   Electro-Deposition of Metals . . . . . . 393--394
                      Anonymous   Decisions of the Courts  . . . . . . . . 394--394
                      Anonymous   Recent American and Foreign Patents  . . 394--394
                      Anonymous   Answers to Correspondents  . . . . . . . 395--395
                      Anonymous   Communications Received  . . . . . . . . 395--395
                      Anonymous   Canadian Patents . . . . . . . . . . . . 396--396

Scientific American
Volume 31, Number 26, December 26, 1874

                      Anonymous   Correspondence . . . . . . . . . . . . . 404--404
                      Anonymous   Business and Personal  . . . . . . . . . 409--409
                      Anonymous   Index of Inventions  . . . . . . . . . . 410--410
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 410--412
                      Anonymous   Railway Bridge, Near York, England . . . 399--399
                      Anonymous   The Largest Yet  . . . . . . . . . . . . 400--400
                      Anonymous   Publishers' Card . . . . . . . . . . . . 400--400
                      Anonymous   Another Needed Amendment of the Patent
                                  Law  . . . . . . . . . . . . . . . . . . 400--400
                      Anonymous   Government Monopoly of the Telegraph
                                  Lines  . . . . . . . . . . . . . . . . . 400--400
                      Anonymous   The Transit of Venus . . . . . . . . . . 400--401
                      Anonymous   The Patent Office Clerks . . . . . . . . 401--401
                      Anonymous   Ezra Cornell . . . . . . . . . . . . . . 401--401
                      Anonymous   Will Do It After a Funeral . . . . . . . 401--401
                      Anonymous   The Latest Polar Expedition  . . . . . . 401--401
                      Anonymous   Cheap Freights . . . . . . . . . . . . . 401--401
                      Anonymous   The Underground Railway, New York City   402--402
                      Anonymous   A New Nail . . . . . . . . . . . . . . . 403--403
                      Anonymous   Conception of the Telegraph  . . . . . . 403--403
                      Anonymous   French Photo Skylights . . . . . . . . . 403--403
                    C. A. Young   The Constitution of the Sun  . . . . . . 404--404
                      Anonymous   Pendulum Governors . . . . . . . . . . . 404--404
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 405--405
                      Anonymous   Trying-Up and Four-Cutter Planing and
                                  Molding Machine  . . . . . . . . . . . . 406--406
                      Anonymous   New Mechanical Construction for Compound
                                  Tools  . . . . . . . . . . . . . . . . . 406--406
                      Anonymous   Iron-Framed Thrashing Machines . . . . . 407--407
                      Anonymous   Cheerful for Advertisers . . . . . . . . 408--408
                      Anonymous   Decisions of the Courts  . . . . . . . . 408--408
                      Anonymous   Recent American and Foreign Patents  . . 408--408
                      Anonymous   Answers to Correspondents  . . . . . . . 409--410
                      Anonymous   Communications Received  . . . . . . . . 410--410


Scientific American
Volume 32, Number 1, January 2, 1875

                      Anonymous   Books: New Books and Publications  . . . 8--8
                      Anonymous   Business and Personal  . . . . . . . . . 10--10
                      Anonymous   Index of Inventions  . . . . . . . . . . 11--12
                      Anonymous   Improved Planing and Matching Machine    1--1
                      Anonymous   Improved Shot Pouch Sling  . . . . . . . 1--1
                      Anonymous   The Vacuum an Absolute Non-Conductor of
                                  Electricity  . . . . . . . . . . . . . . 2--2
                      Anonymous   Don't Kiss the Baby! . . . . . . . . . . 2--2
                      Anonymous   Postal Detective Service . . . . . . . . 2--2
                      Anonymous   Temperature of Ignition of Charcoal  . . 2--3
                      Anonymous   Scientific Facts and Speculations  . . . 3--3
                      Anonymous   Seeing Through Colored Glasses . . . . . 3--3
                      Anonymous   The Underground Railway, New York City   4--4
                      Anonymous   Road and Farm Locomotives and Steam Road
                                  Rollers  . . . . . . . . . . . . . . . . 5--5
                      Anonymous   Finishing Locomotive Wheels  . . . . . . 6--6
                      Anonymous   Wool Washing Machinery . . . . . . . . . 6--7
                      Anonymous   New Swimming Bath in London  . . . . . . 7--7
                      Anonymous   Astronomical Notes . . . . . . . . . . . 8--8
                      Anonymous   Glue . . . . . . . . . . . . . . . . . . 8--8
                      Anonymous   Decisions of the Courts  . . . . . . . . 8--9
                      Anonymous   Repeal of Patents --- Opinion of the
                                  Attorney General . . . . . . . . . . . . 9--9
                      Anonymous   Recent American and Foreign Patents  . . 9--9
                      Anonymous   Answers to Correspondents  . . . . . . . 10--11
                      Anonymous   Communications Received  . . . . . . . . 11--11
                      Anonymous   Canadian Patents . . . . . . . . . . . . 12--12

Scientific American
Volume 32, Number 2, January 9, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 20--21
                      Anonymous   Business and Personal  . . . . . . . . . 26--26
                      Anonymous   Notes and Queries  . . . . . . . . . . . 26--27
                      Anonymous   Index of Inventions  . . . . . . . . . . 28--28
                      Anonymous   The Buckeye Automatic Engine . . . . . . 15--15
                      Anonymous   Is the Ether Matter? . . . . . . . . . . 16--16
                      Anonymous   The Woodbury Patent  . . . . . . . . . . 16--16
                      Anonymous   The Physical Forces are Modes of Ether
                                  Pressure . . . . . . . . . . . . . . . . 16--16
                      Anonymous   The Cultivation of Oysters . . . . . . . 17--17
                      Anonymous   The Commissioner of Patents on the
                                  Patent Office Tea Set  . . . . . . . . . 17--17
                      Anonymous   The Morgan Hospital School, Dundee,
                                  Scotland . . . . . . . . . . . . . . . . 18--18
                      Anonymous   British Naval Guns . . . . . . . . . . . 19--19
                      Anonymous   Portable Steam Winch . . . . . . . . . . 19--19
                      Anonymous   Improved Grubbing Machine  . . . . . . . 22--22
                      Anonymous   Improved Horse Detacher  . . . . . . . . 22--22
                      Anonymous   Shade Attachment for Plows . . . . . . . 22--22
                      Anonymous   Sir Samuel Baker's Expedition  . . . . . 23--23
                      Anonymous   The Great Well at Prospect Park,
                                  Brooklyn . . . . . . . . . . . . . . . . 23--23
             George B. Prescott   Ocean Telegraphy . . . . . . . . . . . . 24--24
                    C. A. Young   The Constitution of the Sun  . . . . . . 24--25
                      Anonymous   Recent American and Foreign Patents  . . 25--26
                      Anonymous   Communications Received  . . . . . . . . 27--27
                      Anonymous   Canadian Patents . . . . . . . . . . . . 28--28

Scientific American
Volume 32, Number 3, January 16, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 36--36
                      Anonymous   Business and Personal  . . . . . . . . . 43--43
                      Anonymous   Notes and Queries  . . . . . . . . . . . 43--44
                      Anonymous   Index of Inventions  . . . . . . . . . . 44--44
                      Anonymous   Patent Chariot Street Car  . . . . . . . 31--31
                      Anonymous   Anstie and Dupré on the Action of Alcohol 32--32
                      Anonymous   Our Naval Efficiency . . . . . . . . . . 32--33
                      Anonymous   Printing the Patents . . . . . . . . . . 33--33
                      Anonymous   The Cultivation of Oysters . . . . . . . 33--33
                      Anonymous   Finishing Locomotive Wheels  . . . . . . 34--34
                      Anonymous   Hillside Mining in Colorado  . . . . . . 35--35
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 37--37
                      Anonymous   A New Gas Carburetter  . . . . . . . . . 38--38
                      Anonymous   The Tompkins Upright Rotary Knitting
                                  Machine  . . . . . . . . . . . . . . . . 38--38
                      Anonymous   A New Electro-Magnetic Motor . . . . . . 38--38
                      Anonymous   The Lighthouses of the United States . . 39--40
             George H. Prescott   Ocean Telegraphy . . . . . . . . . . . . 40--41
                      Anonymous   The Arithmetical Operations of
                                  Multiplication and Division  . . . . . . 41--42
                      Anonymous   Recent American and Foreign Patents  . . 42--42
                      Anonymous   Decisions of the Courts  . . . . . . . . 42--43
                      Anonymous   Communications Received  . . . . . . . . 44--44
                      Anonymous   Canadian Patents . . . . . . . . . . . . 44--45

Scientific American
Volume 32, Number 4, January 23, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 52--52
                      Anonymous   Books: New Books and Publications  . . . 58--58
                      Anonymous   Business and Personal  . . . . . . . . . 59--59
                      Anonymous   Notes and Queries  . . . . . . . . . . . 59--60
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   Improved Rotary Pressure Blower  . . . . 47--47
                      Anonymous   The Sovereigns of Industry . . . . . . . 48--48
                      Anonymous   A Box Trick to Beat Hartz' . . . . . . . 48--48
                      Anonymous   Testing the Correctness of Figures by
                                  Weight . . . . . . . . . . . . . . . . . 48--48
                      Anonymous   P'i-Ryi  . . . . . . . . . . . . . . . . 48--49
                      Anonymous   Loss of a Large New York Mail  . . . . . 49--49
                      Anonymous   Improvement in Canal Navigation  . . . . 49--49
                      Anonymous   Amalgam Fillings for the Teeth . . . . . 49--49
                      Anonymous   Scientific and Practical Information . . 49--49
                      Anonymous   The Bessemer Oscillating Saloon  . . . . 50--50
                      Anonymous   Tubular Floating Docks . . . . . . . . . 51--52
                      Anonymous   A New Method of Measuring Surfaces,
                                  Applied to the Circle  . . . . . . . . . 52--53
                      Anonymous   Improved Potato Cutter and Planter . . . 54--54
                      Anonymous   Broadbooks' Excelsior Pruning Shears . . 54--54
                      Anonymous   Blaisdell's Improved Railway Tie . . . . 54--54
                      Anonymous   Combined Aquarium and Plant Case . . . . 55--56
                      Anonymous   The Physical Phenomena of Germination    57--57
                 Julius Wiesner   The Vegetable Fibers at the Universal
                                  Exposition, Vienna . . . . . . . . . . . 57--57
                      Anonymous   Decisions of the Courts  . . . . . . . . 58--58
                      Anonymous   Recent American and Foreign Patents  . . 58--58
                      Anonymous   Communications Received  . . . . . . . . 60--60
                      Anonymous   Canadian Patents . . . . . . . . . . . . 60--61

Scientific American
Volume 32, Number 5, January 30, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 68--68
                      Anonymous   Books: New Books and Publications  . . . 73--73
                      Anonymous   Business and Personal  . . . . . . . . . 74--74
                      Anonymous   Notes and Queries  . . . . . . . . . . . 74--76
                      Anonymous   Index of Inventions  . . . . . . . . . . 76--76
                      Anonymous   Improved Diamond Stone Saw . . . . . . . 63--63
                      Anonymous   Electric Earth Batteries . . . . . . . . 64--64
                      Anonymous   Torpedoes for Harbor Defense . . . . . . 64--64
                      Anonymous   Something about Balloons . . . . . . . . 64--65
                      Anonymous   Senate Confirmations . . . . . . . . . . 65--65
                      Anonymous   Scientific and Practical Information . . 65--65
                      Anonymous   Improved Die Tap . . . . . . . . . . . . 66--66
                      Anonymous   Filtration under Pressure  . . . . . . . 66--66
                      Anonymous   The Underground Railway, New York City   67--68
                      Anonymous   The Crescent Steel Works at Pittsburgh,
                                  PA . . . . . . . . . . . . . . . . . . . 68--68
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 69--69
                      Anonymous   Cutting Gear Wheels  . . . . . . . . . . 70--70
                      Anonymous   The Bessemer Saloon Steamship  . . . . . 70--70
                      Anonymous   Highland and Lowland Cattle  . . . . . . 71--71
                 Julius Wiesner   The Vegetable Fibers at the Universal
                                  Exposition Vienna  . . . . . . . . . . . 72--72
                      Anonymous   Decisions of the Courts  . . . . . . . . 72--73
                      Anonymous   Recent American and Foreign Patents  . . 73--73
                      Anonymous   Communications Received  . . . . . . . . 76--76
                      Anonymous   Canadian Patents . . . . . . . . . . . . 76--76

Scientific American
Volume 32, Number 6, February 6, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 83--85
                      Anonymous   Business and Personal  . . . . . . . . . 90--90
                      Anonymous   Notes and Queries  . . . . . . . . . . . 90--92
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--92
                      Anonymous   Holmes' New Barrel Machinery . . . . . . 79--79
                      Anonymous   The Example of France  . . . . . . . . . 80--80
                      Anonymous   The ``Science'' of Spiritualism  . . . . 80--80
                      Anonymous   To Our Friends . . . . . . . . . . . . . 80--80
                      Anonymous   Have a Specialty . . . . . . . . . . . . 80--81
                      Anonymous   ``Ourselves, as Others See Us''  . . . . 81--81
                      Anonymous   A Problem Relating to the Sphere . . . . 81--81
                      Anonymous   Scientific and Practical Information . . 81--81
                      Anonymous   The Pernot Rotary Puddler  . . . . . . . 82--82
                      Anonymous   A Self-Corking Bottle  . . . . . . . . . 82--82
                      Anonymous   Combined Knife and Pepper Box  . . . . . 82--82
                      Anonymous   The Tulip Tree . . . . . . . . . . . . . 83--83
                      Anonymous   The Sardine Industry . . . . . . . . . . 87--88
                      Anonymous   Astronomical Notes . . . . . . . . . . . 88--88
                      Anonymous   Recent American and Foreign Patents  . . 89--89
                      Anonymous   Communications Received  . . . . . . . . 92--92
                      Anonymous   Canadian Patents . . . . . . . . . . . . 92--92

Scientific American
Volume 32, Number 7, February 13, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 99--101
                      Anonymous   Business and Personal  . . . . . . . . . 106--106
                      Anonymous   Notes and Queries  . . . . . . . . . . . 106--107
                      Anonymous   Index of Inventions  . . . . . . . . . . 107--108
                      Anonymous   The Excelsior Universal Wood Worker  . . 95--96
                      Anonymous   Patent Law Amendments  . . . . . . . . . 96--97
                      Anonymous   Can Ants Talk? . . . . . . . . . . . . . 97--97
                      Anonymous   The Sewing Machine . . . . . . . . . . . 97--97
                      Anonymous   Prospects for 1875 . . . . . . . . . . . 97--97
                      Anonymous   Science Record for 1875  . . . . . . . . 97--97
                      Anonymous   An Ancient Metric System . . . . . . . . 97--97
                      Anonymous   The Underground Railway, New York City   98--98
                      Anonymous   Baker's Improved Bootjack  . . . . . . . 99--99
                      Anonymous   The Belgian Mode of Lowering Miners in
                                  Shafts . . . . . . . . . . . . . . . . . 99--99
                      Anonymous   Combined Wrench and Bolt Cutter  . . . . 99--99
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 101--101
                      Anonymous   Improved Camp Lounge . . . . . . . . . . 102--102
                      Anonymous   Improved Grate Bar . . . . . . . . . . . 102--102
                      Anonymous   Remarkable Birds . . . . . . . . . . . . 103--104
                      Anonymous   Decisions of the Courts  . . . . . . . . 105--105
                      Anonymous   Recent American and Foreign Patents  . . 105--105
                      Anonymous   Communications Received  . . . . . . . . 107--107
                      Anonymous   Canadian Patents . . . . . . . . . . . . 108--108

Scientific American
Volume 32, Number 8, February 20, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 117--117
                      Anonymous   Books: New Books and Publications  . . . 121--122
                      Anonymous   Business and Personal  . . . . . . . . . 123--123
                      Anonymous   Notes and Queries  . . . . . . . . . . . 123--124
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--124
                      Anonymous   The Proposed Niagara Bridge at Lewiston,
                                  N.Y. . . . . . . . . . . . . . . . . . . 111--112
                      Anonymous   Bogus State Laws Concerning Patent
                                  Rights . . . . . . . . . . . . . . . . . 112--112
                      Anonymous   Metaline at the American Institute . . . 112--112
                      Anonymous   Accurate Alignments  . . . . . . . . . . 112--112
                      Anonymous   Flying Machines  . . . . . . . . . . . . 112--113
                      Anonymous   The ``Science'' of Spiritualism  . . . . 113--113
                      Anonymous   Not the Best Way to Sell a Patent  . . . 113--114
                      Anonymous   Irrigation in Colorado . . . . . . . . . 114--114
                      Anonymous   Improved Water Motor . . . . . . . . . . 115--115
                      Anonymous   Measuring Mountains  . . . . . . . . . . 115--115
                      Anonymous   Scientific and Practical Information . . 115--117
                    James Orton   The Voices of Animals  . . . . . . . . . 117--117
                      Anonymous   Recent Researches in the Spectra of the
                                  Planets  . . . . . . . . . . . . . . . . 117--117
                      Anonymous   Improved Plenum and Vacuum Pump  . . . . 118--118
                      Anonymous   A New Sad Iron . . . . . . . . . . . . . 118--118
                      Anonymous   Hayden's Revolving Cartridge Belt  . . . 118--118
                      Anonymous   Wellman's Improved Car Seat  . . . . . . 118--118
                      Anonymous   A Hairy Faced Family . . . . . . . . . . 119--120
                      Anonymous   Ocean Telegraphy. --- The Foreign
                                  Connections of New York City and the
                                  Existing Rates of Charges  . . . . . . . 120--121
                      Anonymous   The Post Office a Carrier of Merchandise 121--121
                      Anonymous   Decisions of the Patent Office . . . . . 121--121
                      Anonymous   Recent American and Foreign Patents  . . 122--122
                      Anonymous   Communications Received  . . . . . . . . 124--124
                      Anonymous   Canadian Patents . . . . . . . . . . . . 124--124

Scientific American
Volume 32, Number 9, February 27, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 132--132
                      Anonymous   Business and Personal  . . . . . . . . . 138--138
                      Anonymous   Notes and Queries  . . . . . . . . . . . 138--140
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   The Engineering: Works Through, Under,
                                  and Over the Bergen Hills, Opposite New
                                  York . . . . . . . . . . . . . . . . . . 127--128
                      Anonymous   Scientific and Practical Information . . 128--128
                      Anonymous   The Generation of the Wicked . . . . . . 128--129
                      Anonymous   How to Rush a Patent Through . . . . . . 129--129
                      Anonymous   Spontaneous Combustion at Steam Heat . . 129--129
                      Anonymous   An Important Patent Office Decision  . . 129--129
                      Anonymous   Children and Dogs  . . . . . . . . . . . 129--129
                      Anonymous   Labor Troubles in Russia . . . . . . . . 129--129
                      Anonymous   Horse Flesh as Food in France  . . . . . 129--129
                      Anonymous   The Proportions of Sewers  . . . . . . . 130--130
                      Anonymous   New Chilian Armor Clads  . . . . . . . . 131--131
                      Anonymous   Mr. Seth Green's New Spawn-Carrying
                                  Device . . . . . . . . . . . . . . . . . 131--131
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 133--133
                      Anonymous   Re-Sawing Band Saw . . . . . . . . . . . 134--134
                      Anonymous   A New Pie Marker . . . . . . . . . . . . 134--134
                      Anonymous   Improved Awning  . . . . . . . . . . . . 134--135
                      Anonymous   Public Buildings in Brussels . . . . . . 135--137
                      Anonymous   Decisions of the Patent Office . . . . . 137--137
                      Anonymous   Recent American and Foreign Patents  . . 137--137
                      Anonymous   Communications Received  . . . . . . . . 140--140
                      Anonymous   Canadian Patents . . . . . . . . . . . . 140--140

Scientific American
Volume 32, Number 10, March 6, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 148--149
                      Anonymous   Books: New Books and Publications  . . . 152--152
                      Anonymous   Business and Personal  . . . . . . . . . 154--154
                      Anonymous   Notes and Queries  . . . . . . . . . . . 154--156
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--156
                      Anonymous   Chasing Screw Threads  . . . . . . . . . 143--143
                      Anonymous   Report of the Commissioner of Patents    144--144
                      Anonymous   Progress and Prospects of Solar
                                  Chemistry  . . . . . . . . . . . . . . . 144--144
                      Anonymous   An Immense Telegraphing Establishment    144--145
                      Anonymous   A New Style of Book-Making Needed  . . . 145--145
                      Anonymous   What are Bacteria? . . . . . . . . . . . 145--145
                      Anonymous   Improved Lady's Work Table . . . . . . . 146--146
                      Anonymous   Improved Sad Iron  . . . . . . . . . . . 146--146
                      Anonymous   A Machine Horse  . . . . . . . . . . . . 147--148
                      Anonymous   Ants . . . . . . . . . . . . . . . . . . 149--149
                      Anonymous   Scientific and Practical Information . . 149--149
                      Anonymous   Improved Self-Heating Fluting and Sad
                                  Iron . . . . . . . . . . . . . . . . . . 150--150
                      Anonymous   Improved Bale Tie for Wire Bands . . . . 150--150
                      Anonymous   Cylindrical Standard Gages . . . . . . . 150--150
                      Anonymous   Life-Preserving Mattress . . . . . . . . 150--151
                      Anonymous   The Breton Cattle  . . . . . . . . . . . 151--152
                      Anonymous   Decisions of the Patent Office . . . . . 152--152
                      Anonymous   Recent American and Foreign Patents  . . 153--153
                      Anonymous   Communications Received  . . . . . . . . 156--156
                      Anonymous   Canadian Patents . . . . . . . . . . . . 156--156

Scientific American
Volume 32, Number 11, March 13, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 165--165
                      Anonymous   Books: New Books and Publications  . . . 168--168
                      Anonymous   Business and Personal  . . . . . . . . . 170--170
                      Anonymous   Notes and Queries  . . . . . . . . . . . 170--171
                      Anonymous   Index of Inventions  . . . . . . . . . . 172--172
                      Anonymous   Amateur Taxidermy  . . . . . . . . . . . 159--160
                      Anonymous   The New Rule of the Patent Office  . . . 160--161
                      Anonymous   Piscicultural Progress . . . . . . . . . 161--161
                      Anonymous   Nature's Efforts . . . . . . . . . . . . 161--161
                      Anonymous   Rubber Tipped Pencils  . . . . . . . . . 161--161
                      Anonymous   Waste Land and Forest Culture  . . . . . 161--161
                      Anonymous   Improved Animal Trap . . . . . . . . . . 162--162
                      Anonymous   The Manipulation of Pruning  . . . . . . 162--162
                      Anonymous   Non-Freezing Float Steam Trap  . . . . . 163--163
                      Anonymous   Improved Safety Governor . . . . . . . . 163--164
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 164--165
                      Anonymous   Astronomical Notes . . . . . . . . . . . 165--165
                      Anonymous   Improved Railway Axle Box  . . . . . . . 166--166
                      Anonymous   Two Remarkable Plants  . . . . . . . . . 167--168
                      Anonymous   Engineers, Contractors, Machinists, and
                                  Manufacturers  . . . . . . . . . . . . . 168--168
                      Anonymous   Decisions of the Courts  . . . . . . . . 168--168
                      Anonymous   Recent American and Foreign Patents  . . 169--169
                      Anonymous   Communications Received  . . . . . . . . 172--172
                      Anonymous   Canadian Patents . . . . . . . . . . . . 172--172

Scientific American
Volume 32, Number 12, March 20, 1875

                      Anonymous   Business and Personal  . . . . . . . . . 186--186
                      Anonymous   Notes and Queries  . . . . . . . . . . . 186--188
                      Anonymous   Index of Inventions  . . . . . . . . . . 188--188
                      Anonymous   Porcelain Manufacture in New York  . . . 175--176
                      Anonymous   Crossing the Boundary of the
                                  Experimental Evidence  . . . . . . . . . 176--176
                      Anonymous   Foreign Exhibitors at the Centennial . . 176--177
                      Anonymous   American Porcelain . . . . . . . . . . . 177--177
                      Anonymous   A Variable Screw . . . . . . . . . . . . 177--177
                      Anonymous   The Metallurgy of Iridium  . . . . . . . 177--177
                      Anonymous   The Fireman's Respirator . . . . . . . . 178--178
                      Anonymous   The New Revelations of a Snow Flake  . . 178--178
                      Anonymous   Improved Lewis . . . . . . . . . . . . . 179--179
                      Anonymous   A New Steam Launch . . . . . . . . . . . 179--179
                      Anonymous   A Three-Wheeled Omnibus  . . . . . . . . 179--180
                      Anonymous   Scientific and Practical Information . . 181--181
                      Anonymous   Improved Center Draft Tongue for Reapers
                                  and Mowers . . . . . . . . . . . . . . . 182--182
                      Anonymous   Improved Mining Dial . . . . . . . . . . 182--182
                      Anonymous   Reid's Automatic Hatchway  . . . . . . . 182--182
                      Anonymous   Improved Pipe Joint  . . . . . . . . . . 182--182
                      Anonymous   The Crane  . . . . . . . . . . . . . . . 183--184
                Richard H. Buel   The Volume and Weight of Distilled Water
                                  at Different Temperatures  . . . . . . . 184--184
                      Anonymous   Decisions of the Courts  . . . . . . . . 185--185
                      Anonymous   Recent American and Foreign Patents  . . 185--186
                      Anonymous   Communications Received  . . . . . . . . 188--188
                      Anonymous   Canadian Patents . . . . . . . . . . . . 188--188

Scientific American
Volume 32, Number 13, March 27, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 196--197
                      Anonymous   Books: New Books and Publications  . . . 200--200
                      Anonymous   Business and Personal  . . . . . . . . . 202--202
                      Anonymous   Notes and Queries  . . . . . . . . . . . 202--204
                      Anonymous   Index of Inventions  . . . . . . . . . . 204--204
                      Anonymous   Porcelain Manufacture in New York  . . . 191--192
                      Anonymous   Frozen Pipes and Hydrants  . . . . . . . 192--192
                      Anonymous   Increase of Postal Charges . . . . . . . 192--192
                      Anonymous   Models by Mail . . . . . . . . . . . . . 192--192
                      Anonymous   A Trade Mark Rejection . . . . . . . . . 192--192
                      Anonymous   Partnerships of Ants and Plants  . . . . 192--193
                 R. H. Thurston   Molecular Changes in Metals  . . . . . . 193--193
                      Anonymous   Improved Tree Protector  . . . . . . . . 194--194
                      Anonymous   To Make Ovals and Circles of any Size    194--194
                      Anonymous   Measuring Building Materials . . . . . . 194--194
                      Anonymous   Improved Sugar-Refining Tank . . . . . . 194--194
                      Anonymous   Gathering and Storing Ice  . . . . . . . 195--196
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 197--197
                      Anonymous   Improved Hydraulic Motor . . . . . . . . 198--198
                      Anonymous   Improved Device for Laying Out Sashes    198--198
                      Anonymous   An East Indian Ornamental Shrub  . . . . 199--199
                      Anonymous   The Cut-Leaved Begonia . . . . . . . . . 199--200
                      Anonymous   Decisions of the Courts  . . . . . . . . 200--200
                      Anonymous   Recent American and Foreign Patents  . . 200--202
                      Anonymous   Communications Received  . . . . . . . . 204--204
                      Anonymous   Canadian Patents . . . . . . . . . . . . 204--204

Scientific American
Volume 32, Number 14, April 3, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 212--213
                      Anonymous   Business and Personal  . . . . . . . . . 218--218
                      Anonymous   Notes and Queries  . . . . . . . . . . . 218--220
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--220
                      Anonymous   The Saxby and Farmer Safety Switches and
                                  Signals  . . . . . . . . . . . . . . . . 207--208
                      Anonymous   Science in Common Schooling  . . . . . . 208--208
                      Anonymous   Syrian Sponges . . . . . . . . . . . . . 208--209
                      Anonymous   Inspection of Boilers  . . . . . . . . . 209--209
                      Anonymous   Michigan's Salt Interests  . . . . . . . 209--209
                      Anonymous   The Mission of the Fly . . . . . . . . . 209--209
                      Anonymous   The Hudson River Tunnel at New York  . . 211--211
                      Anonymous   Scientific and Practical Information . . 213--213
                      Anonymous   Improved Water Injectors . . . . . . . . 214--215
                      Anonymous   Red Deer . . . . . . . . . . . . . . . . 215--216
                      Anonymous   Recent American and Foreign Patents  . . 216--218
                      Anonymous   Communications Received  . . . . . . . . 220--220
                      Anonymous   Canadian Patents . . . . . . . . . . . . 221--221

Scientific American
Volume 32, Number 15, April 10, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 228--228
                      Anonymous   Business and Personal  . . . . . . . . . 234--234
                      Anonymous   Notes and Queries  . . . . . . . . . . . 234--236
                      Anonymous   Index of Inventions  . . . . . . . . . . 236--236
                      Anonymous   The Pneumatic Despatch System in the
                                  Western Union Telegraph Building, New
                                  York . . . . . . . . . . . . . . . . . . 223--224
                      Anonymous   The Industrial Condition of Germany  . . 224--224
                      Anonymous   How Science is Annihilated . . . . . . . 224--225
                      Anonymous   How a Piece of Coal Burns  . . . . . . . 225--225
                      Anonymous   Up or Down in Rapid Transit? . . . . . . 225--225
                      Anonymous   Proposed Tunnel under Newark Bay . . . . 225--225
                      Anonymous   A New Stellar Indicator  . . . . . . . . 226--226
                      Anonymous   Spectroscopic Quantitative Analysis  . . 226--226
                      Anonymous   Underground Refrigerator for Butchers    226--226
                      Anonymous   The Earthquake Indicator . . . . . . . . 226--226
                      Anonymous   A Novel Decoy Fish . . . . . . . . . . . 226--226
                      Anonymous   Machine for Making Fence Pickets . . . . 227--227
                      Anonymous   Improved Hoisting Machine  . . . . . . . 227--228
                      Anonymous   Astronomical Notes . . . . . . . . . . . 228--229
                      Anonymous   The Storage and Handling of Fluids . . . 229--229
                      Anonymous   Improved Circular Saw Table  . . . . . . 230--230
                      Anonymous   Improved Windmill  . . . . . . . . . . . 230--230
                      Anonymous   Strasbourg Cathedral and Its Clock . . . 231--232
                      Anonymous   Decisions of the Courts  . . . . . . . . 232--232
                      Anonymous   Recent American and Foreign Patents  . . 232--233
                      Anonymous   Communications Received  . . . . . . . . 236--236
                      Anonymous   Canadian Patents . . . . . . . . . . . . 236--236

Scientific American
Volume 32, Number 16, April 17, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 244--244
                      Anonymous   Books: New Books and Publications  . . . 248--248
                      Anonymous   Business and Personal  . . . . . . . . . 250--250
                      Anonymous   Notes and Queries  . . . . . . . . . . . 250--252
                      Anonymous   Index of Inventions  . . . . . . . . . . 252--252
                      Anonymous   Wire Rope Traction Street Railway  . . . 239--239
                      Anonymous   Trade Marks  . . . . . . . . . . . . . . 240--240
                      Anonymous   Home News by Way of the Sun  . . . . . . 240--240
                      Anonymous   German Patent Law  . . . . . . . . . . . 240--241
                      Anonymous   A Street Railway Improvement Wanted  . . 241--241
                      Anonymous   A New Dodge  . . . . . . . . . . . . . . 241--241
                      Anonymous   How to Build a Windmill  . . . . . . . . 241--241
                      Anonymous   Scientific and Practical Information . . 241--241
                      Anonymous   New Mode of Slaughtering Cattle  . . . . 242--242
                      Anonymous   Improved Bottle Stopper  . . . . . . . . 242--242
                      Anonymous   Extermination of the Phylloxera  . . . . 242--242
                      Anonymous   Giffard's Railway Car  . . . . . . . . . 242--242
                      Anonymous   A Novel Design for a British Channel
                                  Tunnel . . . . . . . . . . . . . . . . . 243--244
                    Joshua Rose   Practical Mechanism Number XXI . . . . . 245--245
                      Anonymous   Improved Bolt Cutter . . . . . . . . . . 246--246
                      Anonymous   Improved Dinner Pail . . . . . . . . . . 246--246
                      Anonymous   Tomlinson's Improved Chimney Cowl  . . . 246--246
                      Anonymous   The Grayhound  . . . . . . . . . . . . . 247--247
                      Anonymous   The Kagu . . . . . . . . . . . . . . . . 247--248
                      Anonymous   A Prize Plan for a Fireproof House . . . 248--248
                      Anonymous   Decisions of the Courts  . . . . . . . . 248--248
                      Anonymous   Recent American and Foreign Patents  . . 249--249
                      Anonymous   Communications Received  . . . . . . . . 252--252

Scientific American
Volume 32, Number 17, April 24, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 260--260
                      Anonymous   Business and Personal  . . . . . . . . . 267--267
                      Anonymous   Notes and Queries  . . . . . . . . . . . 267--267
                      Anonymous   Index of Inventions  . . . . . . . . . . 267--268
                      Anonymous   Improved Bridge Construction . . . . . . 255--255
                      Anonymous   Important Changes Proposed in the
                                  British Patent Laws  . . . . . . . . . . 256--256
                      Anonymous   A New Machine for Removing Snow from
                                  Streets  . . . . . . . . . . . . . . . . 256--256
                      Anonymous   Progress of Rapid Transit in New York    256--257
                      Anonymous   Amalgams for Filling the Teeth . . . . . 257--257
                      Anonymous   Test of American Iron and Steel  . . . . 257--257
                      Anonymous   Another Earthquake Indicator . . . . . . 257--257
                      Anonymous   Kaolin in the United States  . . . . . . 257--257
                      Anonymous   Scientific and Practical Information . . 257--257
                      Anonymous   Beckwith's Improved Lumber Dog . . . . . 258--258
                      Anonymous   A New Mercury Air Pump . . . . . . . . . 258--258
                      Anonymous   Dittman's Improved Locking Nut . . . . . 258--258
                      Anonymous   Apparatus for Determining the
                                  Impermeability of Tissues  . . . . . . . 258--258
                      Anonymous   The Sun's Position at Different Seasons
                                  of the Year  . . . . . . . . . . . . . . 259--259
                      Anonymous   A New Tack Hammer  . . . . . . . . . . . 259--259
                      Anonymous   The Anatifa  . . . . . . . . . . . . . . 259--259
                      Anonymous   A Chinese Patentee . . . . . . . . . . . 261--261
                      Anonymous   Improved Shingle Machine . . . . . . . . 262--262
                      Anonymous   Improved Tanning Process . . . . . . . . 262--262
                      Anonymous   The Secretary Bird . . . . . . . . . . . 263--263
                      Anonymous   The Wardian System of Plant Cases  . . . 263--263
                      Anonymous   The Modern Theory of Color . . . . . . . 264--265
                      Anonymous   Decisions of the Courts  . . . . . . . . 266--266
                      Anonymous   Recent American and Foreign Patents  . . 266--266
                      Anonymous   Communications Received  . . . . . . . . 267--267

Scientific American
Volume 32, Number 18, May 1, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 276--276
                      Anonymous   Books: New Books and Publications  . . . 281--281
                      Anonymous   Business and Personal  . . . . . . . . . 282--282
                      Anonymous   Notes and Queries  . . . . . . . . . . . 282--284
                      Anonymous   Index of Inventions  . . . . . . . . . . 284--284
                      Anonymous   Improved Shingle and Heading Machinery   271--271
                      Anonymous   The Money Value of Education . . . . . . 272--272
                      Anonymous   Photo-Mechanical Printing  . . . . . . . 272--273
                      Anonymous   Improvements at the Mouth of the
                                  Mississippi  . . . . . . . . . . . . . . 273--273
                      Anonymous   Motion on a Moving Body  . . . . . . . . 273--273
                      Anonymous   What is the Cause of Tides?  . . . . . . 273--274
                      Anonymous   Smith's Improved Whiffletree Hook  . . . 274--274
                      Anonymous   A Curious Ocular Illusion  . . . . . . . 274--274
                      Anonymous   Stockley's Improved Anti-Primer  . . . . 274--274
                      Anonymous   Whipple's Improved Clothes Dryer . . . . 275--275
                      Anonymous   Improved Electric Lamp Lighter . . . . . 275--275
                      Anonymous   A New Locking Bolt . . . . . . . . . . . 275--276
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 277--277
                      Anonymous   Movable Fronts for Buildings . . . . . . 278--278
                      Anonymous   Improved Rotary Pump . . . . . . . . . . 278--278
                      Anonymous   Growing Orchids  . . . . . . . . . . . . 279--279
                      Anonymous   The \em Solanum Crinitum . . . . . . . . 279--280
                      Anonymous   Car and Carriage Springs . . . . . . . . 280--281
                      Anonymous   Recent American and Foreign Patents  . . 281--281
                      Anonymous   Communications Received  . . . . . . . . 284--284

Scientific American
Volume 32, Number 19, May 8, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 292--292
                      Anonymous   Business and Personal  . . . . . . . . . 298--298
                      Anonymous   Notes and Queries  . . . . . . . . . . . 298--299
                      Anonymous   Index of Inventions  . . . . . . . . . . 299--300
                      Anonymous   Improved Coffer Dam  . . . . . . . . . . 287--288
                      Anonymous   An Inland Penikese . . . . . . . . . . . 288--288
                      Anonymous   The Chain of Criminal Entailment . . . . 288--288
                      Anonymous   Pictures Better than Stories . . . . . . 288--288
                      Anonymous   Some Curious Results of Experimental
                                  Surgery  . . . . . . . . . . . . . . . . 288--289
                      Anonymous   The Recent Remarkable Progress in the
                                  Steel Industry . . . . . . . . . . . . . 289--289
                      Anonymous   \em Cimex Lectularius  . . . . . . . . . 289--289
                      Anonymous   Improved Gas Burner for Heating Purposes 290--290
                      Anonymous   Scientific and Practical Information . . 290--290
                      Anonymous   Heating Buildings with Hot Water . . . . 290--290
                      Anonymous   Improved Sectional Pump Bucket . . . . . 290--290
                      Anonymous   The New Gold Fields  . . . . . . . . . . 291--291
                      Anonymous   Improved Safety Valve  . . . . . . . . . 291--292
                    James Orton   The Palms of the Amazons . . . . . . . . 292--293
                      Anonymous   The Screw Pine of the Amazons  . . . . . 293--293
                      Anonymous   Improved Waterr Wheel Governor . . . . . 294--294
                      Anonymous   Improved Meat Tenderer . . . . . . . . . 294--294
                      Anonymous   New Design for a Conservatory  . . . . . 295--295
                      Anonymous   Summer Houses  . . . . . . . . . . . . . 295--296
                      Anonymous   Astronomical Notes . . . . . . . . . . . 296--296
                      Anonymous   Decisions of the Courts  . . . . . . . . 296--296
                      Anonymous   Recent American and Foreign Patents  . . 296--297
                      Anonymous   Communications Received  . . . . . . . . 299--299

Scientific American
Volume 32, Number 20, May 15, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 308--308
                      Anonymous   Books: New Books and Publications  . . . 312--313
                      Anonymous   Business and Personal  . . . . . . . . . 314--314
                      Anonymous   Notes and Queries  . . . . . . . . . . . 314--315
                      Anonymous   Index of Inventions  . . . . . . . . . . 315--316
                      Anonymous   Improved Shears for Cutting Bar Iron . . 303--303
                      Anonymous   The Genesis of Inventors . . . . . . . . 304--304
                      Anonymous   Death in the Salt Cellar . . . . . . . . 304--304
                      Anonymous   The Agricultural Display at the
                                  Centennial . . . . . . . . . . . . . . . 304--305
                      Anonymous   The Management of Boilers and Engines    305--305
                      Anonymous   Improved Surface Planer  . . . . . . . . 306--306
                      Anonymous   Apparatus for Removing Condensed Steam
                                  from Pipes . . . . . . . . . . . . . . . 306--306
                      Anonymous   The New York River Front Improvements    307--308
                      Anonymous   Scott's Patent Sheet Iron Roofing  . . . 309--309
                      Anonymous   Improved Washing Machine . . . . . . . . 310--310
                      Anonymous   Wolff's Button Hole Cutter . . . . . . . 310--310
                      Anonymous   Improved Low Water Indicator . . . . . . 310--310
                      Anonymous   Novel Device for Preventing Runaway
                                  Horses . . . . . . . . . . . . . . . . . 311--311
                      Anonymous   The Little Dodo or Dodlet  . . . . . . . 311--312
                      Anonymous   The Meidinger Battery  . . . . . . . . . 312--312
                      Anonymous   Decisions of the Courts  . . . . . . . . 312--312
                      Anonymous   Recent American and Foreign Patents  . . 313--313
                      Anonymous   Communications Received  . . . . . . . . 315--315

Scientific American
Volume 32, Number 21, May 22, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 324--324
                      Anonymous   Business and Personal  . . . . . . . . . 330--330
                      Anonymous   Notes and Queries  . . . . . . . . . . . 330--332
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   Improved Fulling Mill  . . . . . . . . . 319--319
                      Anonymous   Proceedings of the National Academy of
                                  Sciences . . . . . . . . . . . . . . . . 319--319
                      Anonymous   Schools of Observation . . . . . . . . . 320--320
                      Anonymous   The Antiquity of Life  . . . . . . . . . 320--320
                      Anonymous   Dangerous Houses . . . . . . . . . . . . 320--320
                      Anonymous   The Coming Arctic Expeditions  . . . . . 320--321
                      Anonymous   Patent Litigation in England and the
                                  United States  . . . . . . . . . . . . . 321--321
                      Anonymous   Deadly Ballooning  . . . . . . . . . . . 321--321
                      Anonymous   The Laws of Storms . . . . . . . . . . . 321--321
                      Anonymous   Improved Chisel Tooth Saw  . . . . . . . 322--322
                      Anonymous   Engine Valve Motion  . . . . . . . . . . 322--322
                      Anonymous   Improved Attachment for Injectors  . . . 323--323
                      Anonymous   Stewart's Improved Stove Damper  . . . . 323--323
                      Anonymous   Improved Turpentine Tool . . . . . . . . 323--324
                      Anonymous   Scientific and Practical Information . . 324--324
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 325--325
                      Anonymous   Improved Skein Setter  . . . . . . . . . 326--326
                      Anonymous   Improved Yarn Spooler  . . . . . . . . . 326--326
                      Anonymous   The Scorpion Fly . . . . . . . . . . . . 327--327
                      Anonymous   The Death's Head Moth  . . . . . . . . . 327--328
                      Anonymous   Car Axles and Couplings  . . . . . . . . 328--329
                      Anonymous   Recent American and Foreign Patents  . . 329--329
                      Anonymous   Communications Received  . . . . . . . . 332--332

Scientific American
Volume 32, Number 22, May 29, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 340--340
                      Anonymous   Business and Personal  . . . . . . . . . 347--347
                      Anonymous   Notes and Queries  . . . . . . . . . . . 347--348
                      Anonymous   Index of Inventions  . . . . . . . . . . 348--348
                      Anonymous   The Virginia Ditcher . . . . . . . . . . 335--335
                      Anonymous   A Want . . . . . . . . . . . . . . . . . 336--336
                      Anonymous   A Practical Cure For Vagrancy  . . . . . 336--336
                      Anonymous   The Wreck of the Schiller  . . . . . . . 336--337
                      Anonymous   A Success for the Fishery Commission . . 337--337
                      Anonymous   Design Patents and Trade Marks . . . . . 337--337
                      Anonymous   The New International Postal Rates . . . 337--337
                      Anonymous   Successful Transplantation of Bone . . . 337--337
                      Anonymous   Our National University of Technology    337--337
                      Anonymous   Improved Walk and Road Cleaner . . . . . 338--338
                      Anonymous   The Merriman Life-Preserving Dress . . . 338--338
                      Anonymous   Improved Boiler Feed Regulator . . . . . 339--339
                      Anonymous   Hight of Waves . . . . . . . . . . . . . 339--339
                      Anonymous   Motive Power from Waves  . . . . . . . . 339--340
                      Anonymous   Sideboard Refrigerators  . . . . . . . . 341--341
                      Anonymous   Arrangement of Galvanic Batteries  . . . 341--341
                      Anonymous   Psycho Exposed . . . . . . . . . . . . . 341--341
                      Anonymous   Improved Hub Borer . . . . . . . . . . . 342--342
                      Anonymous   Smith's Blind Slat Holder  . . . . . . . 342--342
                      Anonymous   Smith's Improved Sheave  . . . . . . . . 342--342
                      Anonymous   An Ornamental Gourd  . . . . . . . . . . 343--343
                      Anonymous   A Spring Button Hole Bouquet . . . . . . 343--343
                      Anonymous   Cottage Horticulture . . . . . . . . . . 343--344
                      Anonymous   Scientific and Practical Information . . 344--344
                      Anonymous   The Origin of Cold Snaps . . . . . . . . 345--345
                      Anonymous   Decisions of the Courts  . . . . . . . . 345--346
                      Anonymous   Recent American and Foreign Patents  . . 346--346
                      Anonymous   Communications Received  . . . . . . . . 348--348

Scientific American
Volume 32, Number 23, June 5, 1875

                      Anonymous   Business and Personal  . . . . . . . . . 362--362
                      Anonymous   Notes and Queries  . . . . . . . . . . . 362--363
                      Anonymous   Index of Inventions  . . . . . . . . . . 364--364
                      Anonymous   A New System of Gas Lighting . . . . . . 351--351
                      Anonymous   The Organic Origin of the Earth's Crust  352--352
                      Anonymous   Progress of Rapid Transit in New York
                                  City . . . . . . . . . . . . . . . . . . 352--352
                      Anonymous   Great Guns . . . . . . . . . . . . . . . 352--353
                      Anonymous   The Distribution of Wealth . . . . . . . 353--353
                      Anonymous   The Durability of Glass  . . . . . . . . 353--353
                      Anonymous   Scientific and Practical Information . . 353--353
                      Anonymous   The Bessemer Channel Steamer . . . . . . 354--356
                      Anonymous   Astronomical Notes . . . . . . . . . . . 356--357
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 357--357
                      Anonymous   Improved Belt-Geared Cotton Press  . . . 358--358
                      Anonymous   New Sharpening Instrument  . . . . . . . 358--358
                      Anonymous   Improved Bucket Ear  . . . . . . . . . . 358--358
                      Anonymous   Improved Hydrant . . . . . . . . . . . . 358--358
                      Anonymous   The Fatal Balloon Ascension  . . . . . . 359--359
                      Anonymous   Hood's Adjustable Brush Handle . . . . . 360--360
                      Anonymous   Eldridge's Self-Acting Key Fastener  . . 360--360
                      Anonymous   Car Wheels . . . . . . . . . . . . . . . 360--360
                      Anonymous   Hand Support for Sheep Shears  . . . . . 360--361
                      Anonymous   Recent American and Foreign Patents  . . 361--361
                      Anonymous   Communications Received  . . . . . . . . 363--363

Scientific American
Volume 32, Number 24, June 12, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 372--372
                      Anonymous   Business and Personal  . . . . . . . . . 378--378
                      Anonymous   Notes and Queries  . . . . . . . . . . . 378--379
                      Anonymous   Index of Inventions  . . . . . . . . . . 380--380
                      Anonymous   Improved Compound Steam Boiler . . . . . 367--367
                      Anonymous   Driving on Tyres by Hydraulic Pressure   367--367
                      Anonymous   Two Views of the Voyage of Life  . . . . 368--368
                      Anonymous   The Secret of Spring Weather . . . . . . 368--368
                      Anonymous   The Right to Interfere . . . . . . . . . 368--369
                      Anonymous   The Iron Horse . . . . . . . . . . . . . 369--369
                      Anonymous   Grasshopper Inventions Wanted  . . . . . 369--369
                      Anonymous   Climate of the Ice Age . . . . . . . . . 369--369
                      Anonymous   Zimmerman's Hydro-Electric Lamp and
                                  Extinguisher . . . . . . . . . . . . . . 370--370
                      Anonymous   The Diseases of the Silk Worm  . . . . . 370--370
                      Anonymous   Curious Experiment in Instantaneous
                                  Crystallization  . . . . . . . . . . . . 370--370
                      Anonymous   Improved Saw Gummer  . . . . . . . . . . 371--371
                      Anonymous   Spar Torpedo Warfare . . . . . . . . . . 371--372
                      Anonymous   Household Hints. --- I . . . . . . . . . 372--373
                      Anonymous   Arctic Notes . . . . . . . . . . . . . . 373--373
                      Anonymous   Improved Elevator  . . . . . . . . . . . 374--374
                      Anonymous   Improved Bill File . . . . . . . . . . . 374--374
                      Anonymous   English Gardens  . . . . . . . . . . . . 375--375
                      Anonymous   The Birds of Brazil  . . . . . . . . . . 375--376
                      Anonymous   Recent American and Foreign Patents  . . 376--377
                      Anonymous   Communications Received  . . . . . . . . 379--380

Scientific American
Volume 32, Number 25, June 19, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 388--388
                      Anonymous   Business and Personal  . . . . . . . . . 395--395
                      Anonymous   Notes and Queries  . . . . . . . . . . . 395--395
                      Anonymous   Index of Inventions  . . . . . . . . . . 396--396
                      Anonymous   Improved Cotton Gin Feeder . . . . . . . 383--383
                      Anonymous   Condensed Water Trap . . . . . . . . . . 383--383
                      Anonymous   Patent Politics in Ohio  . . . . . . . . 384--384
                      Anonymous   Civilization by Upheaval . . . . . . . . 384--384
                      Anonymous   Progress of the Great Suspension Bridge
                                  Between New York and Brooklyn  . . . . . 384--384
                      Anonymous   Refinements in Modern Astronomical
                                  Observations . . . . . . . . . . . . . . 384--385
                      Anonymous   Samson or Solomon? . . . . . . . . . . . 385--385
                      Anonymous   Scientific and Practical Information . . 385--385
                      Anonymous   The Fireless Railway System in England   386--386
                      Anonymous   Stenography by Machinery . . . . . . . . 387--387
                      Anonymous   Cooking by Gas . . . . . . . . . . . . . 387--387
                      Anonymous   The Alexandra  . . . . . . . . . . . . . 387--387
                      Anonymous   Brachiospongia . . . . . . . . . . . . . 387--388
                      Anonymous   Novel Gas Apparatus at the Paris Grand
                                  Opera  . . . . . . . . . . . . . . . . . 388--388
                      Anonymous   Improvement in the Construction of
                                  Prisons  . . . . . . . . . . . . . . . . 388--388
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 389--389
                      Anonymous   Improved Power Couplings . . . . . . . . 390--390
                      Anonymous   Improved Barrel Hoop . . . . . . . . . . 390--390
                      Anonymous   Abbe's Dish and Vegetable Drainer  . . . 390--390
                      Anonymous   Fuller's Combination Packing . . . . . . 390--390
                      Anonymous   The Homes of the Working Classes . . . . 391--392
                      Anonymous   The Radiometer . . . . . . . . . . . . . 392--393
                      Anonymous   Household Hints --- II . . . . . . . . . 393--393
                      Anonymous   Decisions of the Courts  . . . . . . . . 393--393
                      Anonymous   Recent American and Foreign Patents  . . 393--394
                      Anonymous   Communications Received  . . . . . . . . 395--395

Scientific American
Volume 32, Number 26, June 26, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 404--404
                      Anonymous   Books: New Books and Publications  . . . 408--408
                      Anonymous   Business and Personal  . . . . . . . . . 409--409
                      Anonymous   Notes and Queries  . . . . . . . . . . . 409--410
                      Anonymous   Index of Inventions  . . . . . . . . . . 410--411
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 411--411
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 411--412
                      Anonymous   The Grand Central Railway Depot  . . . . 399--399
                      Anonymous   A Beautiful Palm Tree  . . . . . . . . . 399--399
                      Anonymous   The End of Another Volume  . . . . . . . 400--400
                      Anonymous   The Keely Motor Deception  . . . . . . . 400--401
                      Anonymous   The Bastie Patent Glass  . . . . . . . . 401--401
                      Anonymous   A New Form of Patent Litigation  . . . . 401--401
                      Anonymous   Commercial Sponges . . . . . . . . . . . 401--401
                      Anonymous   A New Registering Thermometer  . . . . . 402--402
                      Anonymous   The Bastie Toughened Glass . . . . . . . 402--402
                      Anonymous   A Gigantic Ferry System  . . . . . . . . 403--403
                      Anonymous   The Motive Force of Light  . . . . . . . 403--404
                      Anonymous   Electro-Metallurgy . . . . . . . . . . . 405--405
                      Anonymous   Improved Hand Cart . . . . . . . . . . . 406--406
                      Anonymous   Dunn's Improved Vine Rake  . . . . . . . 406--406
                      Anonymous   Smith's Steam Sentinel . . . . . . . . . 406--406
                      Anonymous   Harrington's Improved Gun Sight  . . . . 406--406
                      Anonymous   Swimming . . . . . . . . . . . . . . . . 407--407
                      Anonymous   The Grouse Family  . . . . . . . . . . . 407--408
                      Anonymous   Decisions of the Courts  . . . . . . . . 408--408
                      Anonymous   Recent American and Foreign Patents  . . 408--408
                      Anonymous   Communications Received  . . . . . . . . 410--410


Scientific American
Volume 33, Number 1, July 3, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 8--9
                      Anonymous   Business and Personal  . . . . . . . . . 11--11
                      Anonymous   Notes and Queries  . . . . . . . . . . . 11--12
                      Anonymous   Index of Inventions  . . . . . . . . . . 12--12
                      Anonymous   Hot Drafts for Steam Boiler Furnaces . . 1--1
                      Anonymous   Cremation in the Household . . . . . . . 2--2
                      Anonymous   Tainted Meat . . . . . . . . . . . . . . 2--2
                      Anonymous   Rights of Employer and Employed in
                                  Respect to a New Invention . . . . . . . 2--2
                      Anonymous   The Keely Motor Deception  . . . . . . . 2--2
                      Anonymous   The Search for the Pole  . . . . . . . . 2--3
                      Anonymous   The Hydrology of South Africa  . . . . . 3--3
                      Anonymous   Scientific and Practical Information . . 3--3
                      Anonymous   Improved Three-Cylinder Pump . . . . . . 4--4
                      Anonymous   Rudimentary Existence in Fresh Water
                                  Streams  . . . . . . . . . . . . . . . . 4--4
                      Anonymous   Revolving Fire Bars  . . . . . . . . . . 5--5
                      Anonymous   Improved Horse Hay Rake  . . . . . . . . 6--6
                      Anonymous   Improved Napper and Brusher  . . . . . . 6--7
                      Anonymous   The Animalism of Plants  . . . . . . . . 7--8
                      Anonymous   A New Magneto-Electric Engine  . . . . . 8--8
                      Anonymous   Decisions of the Courts  . . . . . . . . 9--9
                      Anonymous   Recent American and Foreign Patents  . . 10--10
                      Anonymous   Communications Received  . . . . . . . . 12--12
                      Anonymous   Canadian Patents . . . . . . . . . . . . 12--12

Scientific American
Volume 33, Number 2, July 10, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 20--21
                      Anonymous   Business and Personal  . . . . . . . . . 26--26
                      Anonymous   Notes and Queries  . . . . . . . . . . . 26--27
                      Anonymous   Index of Inventions  . . . . . . . . . . 28--28
                      Anonymous   Improved Flanging Machine  . . . . . . . 15--15
                      Anonymous   Duplex Wheel Lathe . . . . . . . . . . . 15--15
                      Anonymous   The Trustworthiness of the Senses  . . . 16--16
                      Anonymous   The Keely Motor Deception  . . . . . . . 16--17
                      Anonymous   The Natural History of Swindles  . . . . 17--17
                      Anonymous   Recent Improvements in Glass Manufacture 17--17
                      Anonymous   The Planetary Atmospheres  . . . . . . . 17--17
                      Anonymous   Engine for Blooming Mill Use . . . . . . 18--18
                      Anonymous   Improved Rope Socket . . . . . . . . . . 18--19
                      Anonymous   A New Gas Blowpipe . . . . . . . . . . . 19--19
                      Anonymous   Nessle's Street Railway Rail . . . . . . 19--19
                      Anonymous   Astronomical Notes . . . . . . . . . . . 19--19
                      Anonymous   Baldwin's Rotary Hand Stamp  . . . . . . 19--20
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 21--21
                      Anonymous   Scientific and Practical Information . . 21--21
                      Anonymous   Improved Gang Plow Spring  . . . . . . . 22--22
                      Anonymous   Improved Dashboard . . . . . . . . . . . 22--22
                      Anonymous   Model Residences . . . . . . . . . . . . 23--23
                      Anonymous   Bullets, Cannon Projectiles, and
                                  Cartridges . . . . . . . . . . . . . . . 24--24
                      Anonymous   Recent American and Foreign Patents  . . 25--25
                      Anonymous   Communications Received  . . . . . . . . 27--27
                      Anonymous   Canadian Patents . . . . . . . . . . . . 28--28

Scientific American
Volume 33, Number 3, July 17, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 36--37
                      Anonymous   Business and Personal  . . . . . . . . . 42--42
                      Anonymous   Notes and Queries  . . . . . . . . . . . 42--44
                      Anonymous   Index of Inventions  . . . . . . . . . . 44--44
                      Anonymous   Improved Method of Transporting Bricks
                                  During Manufacture . . . . . . . . . . . 31--31
                      Anonymous   Work for Arctic Explorers  . . . . . . . 32--32
                      Anonymous   Instability of the Earth's Surface . . . 32--32
                      Anonymous   The Colorado Potato Bug  . . . . . . . . 32--33
                      Anonymous   The Power of Small Engines . . . . . . . 33--33
                      Anonymous   The Keely Motor Deception  . . . . . . . 33--33
                      Anonymous   Improved Engraving Machines  . . . . . . 34--34
                      Anonymous   The Electric Light . . . . . . . . . . . 35--36
                      Anonymous   Improved Railway Track . . . . . . . . . 38--38
                      Anonymous   Improved Fire Box for Locomotive
                                  Furnaces . . . . . . . . . . . . . . . . 38--38
                      Anonymous   Knebworth Park, Hertfordshire, England   39--39
                      Anonymous   The Song of Steam  . . . . . . . . . . . 40--40
                      Anonymous   The Irish--American Rifle Contest  . . . 40--40
                      Anonymous   Recent American and Foreign Patents  . . 40--41
                      Anonymous   Communications Received  . . . . . . . . 44--44
                      Anonymous   Canadian Patents . . . . . . . . . . . . 44--44

Scientific American
Volume 33, Number 4, July 24, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 52--53
                      Anonymous   Business and Personal  . . . . . . . . . 59--59
                      Anonymous   Notes and Queries  . . . . . . . . . . . 59--60
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   Riveting by Hydraulic Power  . . . . . . 47--47
                      Anonymous   Taking a Chance  . . . . . . . . . . . . 48--48
                      Anonymous   The Keely Motor Deception  . . . . . . . 48--48
                      Anonymous   The New Phylloxera Remedy  . . . . . . . 48--49
                      Anonymous   Rate and Cause of Glacial Motion . . . . 49--49
                      Anonymous   Scientific and Practical Information . . 49--49
                      Anonymous   Improved Horse Yoke  . . . . . . . . . . 50--50
                      Anonymous   A New Pyrometer  . . . . . . . . . . . . 50--50
                      Anonymous   The New Arctic Sledge  . . . . . . . . . 51--51
                      Anonymous   Improved Railway Car-Washing Machine . . 51--51
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 53--53
                      Anonymous   Artesian Wells . . . . . . . . . . . . . 54--55
                      Anonymous   The Finches  . . . . . . . . . . . . . . 55--55
                      Anonymous   Nessle's Street Railway Rail . . . . . . 55--55
                      Anonymous   Medical Notes  . . . . . . . . . . . . . 56--56
                      Anonymous   Testing the Color of Water . . . . . . . 57--57
                      Anonymous   How to Put up a Water Closet . . . . . . 57--57
                      Anonymous   Recent American and Foreign Patents  . . 57--58
                      Anonymous   Communications Received  . . . . . . . . 60--60
                      Anonymous   Canadian Patents . . . . . . . . . . . . 60--60

Scientific American
Volume 33, Number 5, July 31, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 68--69
                      Anonymous   Books: New Books and Publications  . . . 73--73
                      Anonymous   Business and Personal  . . . . . . . . . 75--75
                      Anonymous   Notes and Queries  . . . . . . . . . . . 75--76
                      Anonymous   Index of Inventions  . . . . . . . . . . 76--76
                      Anonymous   Improved Boiler and Feed Water Heater    63--63
                      Anonymous   The Strength of Insects  . . . . . . . . 64--64
                      Anonymous   Rapid Transit in New York  . . . . . . . 64--64
                      Anonymous   A City One Hundred and Eighty Thousand
                                  Years Old  . . . . . . . . . . . . . . . 64--65
                      Anonymous   Apparitions  . . . . . . . . . . . . . . 65--65
                      Anonymous   Prospects of Science on the Pacific
                                  Slope  . . . . . . . . . . . . . . . . . 65--65
                      Anonymous   Dangers of Chloral Drinking  . . . . . . 65--65
                      Anonymous   Collegiate Races . . . . . . . . . . . . 65--65
                      Anonymous   Improved Air Reservoir . . . . . . . . . 66--66
                      Anonymous   Device for Protecting Horses . . . . . . 66--66
                      Anonymous   New Clinical Thermoscope . . . . . . . . 66--66
                      Anonymous   Improved Treadle Sawing Machine  . . . . 66--66
                      Anonymous   Improved Slide Valve Calculator  . . . . 67--68
                      Anonymous   Steller's Blind Slat Holder  . . . . . . 70--70
                      Anonymous   Smith's Improved Awl . . . . . . . . . . 70--70
                      Anonymous   Alley's Bearing Feeler . . . . . . . . . 70--70
                      Anonymous   Improved Milking Tubes . . . . . . . . . 70--70
                      Anonymous   Cavender and Dallas' Corn Husking
                                  Implement  . . . . . . . . . . . . . . . 70--70
                      Anonymous   The Cycads . . . . . . . . . . . . . . . 71--71
                      Anonymous   The Ficaria  . . . . . . . . . . . . . . 71--71
                      Anonymous   Scientific and Practical Information . . 72--72
                      Anonymous   The Jamin Magnet . . . . . . . . . . . . 72--73
                      Anonymous   Decisions of the Courts  . . . . . . . . 73--73
                      Anonymous   Recent American and Foreign Patents  . . 74--74
                      Anonymous   Communications Received  . . . . . . . . 76--76
                      Anonymous   Canadian Patents . . . . . . . . . . . . 76--76

Scientific American
Volume 33, Number 6, August 7, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 84--84
                      Anonymous   Business and Personal  . . . . . . . . . 91--91
                      Anonymous   Notes and Queries  . . . . . . . . . . . 91--92
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--92
                      Anonymous   Improvement in the Ventilation of
                                  Railway Tunnels  . . . . . . . . . . . . 79--79
                      Anonymous   Physical Life After Death  . . . . . . . 80--80
                      Anonymous   The Keely Motor Deception  . . . . . . . 80--80
                      Anonymous   English Patent Law Discussion  . . . . . 80--81
                      Anonymous   Centennial Trade Marks . . . . . . . . . 81--81
                      Anonymous   The Difference between Water and
                                  Nitro-Glycerin . . . . . . . . . . . . . 81--81
                      Anonymous   The Use of Wire in Deep Sea Soundings    81--81
                      Anonymous   Improved Elevator for Granular Matters   82--82
                      Anonymous   Frozen Water in Bottles  . . . . . . . . 82--82
                      Anonymous   Fastenings . . . . . . . . . . . . . . . 83--84
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 84--85
                      Anonymous   Improved Rotary Rag Boiler . . . . . . . 86--86
                      Anonymous   Coleman's Key Holder . . . . . . . . . . 86--86
                      Anonymous   Seel and Shaw's Tweer for Smith's Use    86--86
                      Anonymous   Brechbiel's Cigar Wrapper Knife  . . . . 86--86
                      Anonymous   The Russian Circular Ship  . . . . . . . 87--89
                      Anonymous   Decisions of the Courts  . . . . . . . . 89--89
                      Anonymous   Recent American and Foreign Patents  . . 90--90
                      Anonymous   Communications Received  . . . . . . . . 92--92
                      Anonymous   Canadian Patents . . . . . . . . . . . . 92--92

Scientific American
Volume 33, Number 7, August 14, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 100--101
                      Anonymous   Business and Personal  . . . . . . . . . 107--107
                      Anonymous   Notes and Queries  . . . . . . . . . . . 107--108
                      Anonymous   Index of Inventions  . . . . . . . . . . 108--108
                      Anonymous   Improved Wood-Carving Machine  . . . . . 95--95
                      Anonymous   The Great Ice Sheet  . . . . . . . . . . 96--96
                      Anonymous   Salicylic Acid . . . . . . . . . . . . . 96--96
                      Anonymous   Terrestrial Magnetism  . . . . . . . . . 97--97
                      Anonymous   A Year's Experience in Boiler Inspection 97--97
                      Anonymous   An Enormous Peach Crop . . . . . . . . . 97--97
                      Anonymous   The Podometer  . . . . . . . . . . . . . 98--98
                      Anonymous   A Powerful Crane . . . . . . . . . . . . 98--98
                      Anonymous   Wicker Coffins . . . . . . . . . . . . . 99--99
                      Anonymous   Casting Steel in One Tun Ingots  . . . . 99--100
                      Anonymous   Improved Toy Gun . . . . . . . . . . . . 102--102
                      Anonymous   Improved Floor Clamp . . . . . . . . . . 102--102
                      Anonymous   Improved Pressure Blocks for Planing
                                  Machines . . . . . . . . . . . . . . . . 102--103
                      Anonymous   Hardy Azaleas  . . . . . . . . . . . . . 103--103
                      Anonymous   Cottage Architecture . . . . . . . . . . 103--103
                      Anonymous   Combined Portable Aquarium and Wardian
                                  Case . . . . . . . . . . . . . . . . . . 103--105
                      Anonymous   Recent American and Foreign Patents  . . 105--106
                      Anonymous   Communications Received  . . . . . . . . 108--108
                      Anonymous   Canadian Patents . . . . . . . . . . . . 108--108

Scientific American
Volume 33, Number 8, August 21, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 116--116
                      Anonymous   Business and Personal  . . . . . . . . . 123--123
                      Anonymous   Notes and Queries  . . . . . . . . . . . 123--124
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--124
                      Anonymous   Hell Gate Improvement  . . . . . . . . . 111--112
                      Anonymous   The Uses of Nature . . . . . . . . . . . 112--112
                      Anonymous   The United States Commission on Boiler
                                  Explosions . . . . . . . . . . . . . . . 112--112
                      Anonymous   Queer Cattle . . . . . . . . . . . . . . 112--113
                      Anonymous   Constancy of the Ocean Level . . . . . . 113--113
                      Anonymous   Experimental Steam Boiler Explosions . . 113--113
                      Anonymous   Scientific and Practical Information . . 113--113
                      Anonymous   Expected Resignation of the Commissioner
                                  of Patents . . . . . . . . . . . . . . . 113--113
                      Anonymous   The St. Louis Bridge . . . . . . . . . . 114--114
                      Anonymous   Smith's Improved Bale Tie  . . . . . . . 115--115
                      Anonymous   Korting's Steam Jet Bilge Pump . . . . . 115--115
                      Anonymous   Joining up Cells of Batteries  . . . . . 115--115
                      Anonymous   The Electrostatic or Induction Coil  . . 115--116
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 117--117
                      Anonymous   Improved Floor Clamp . . . . . . . . . . 118--118
                      Anonymous   Improved Sudden Grip Vise  . . . . . . . 118--118
                      Anonymous   New Reaping and Mowing Machinery . . . . 119--121
                   C. W. Wright   The Chemical Fire-Fly  . . . . . . . . . 121--121
                      Anonymous   Recent American and Foreign Patents  . . 121--122
                      Anonymous   Communications Received  . . . . . . . . 124--124
                      Anonymous   Canadian Patents . . . . . . . . . . . . 124--124

Scientific American
Volume 33, Number 9, August 28, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 132--132
                      Anonymous   Business and Personal  . . . . . . . . . 138--138
                      Anonymous   Notes and Queries  . . . . . . . . . . . 138--140
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   Improved Feed Water Heater and Purifier  127--128
                      Anonymous   The English Patent Bill  . . . . . . . . 128--128
                      Anonymous   The Irrigation Works of India  . . . . . 128--128
                      Anonymous   Is Education for Culture or for Use? . . 128--129
                      Anonymous   Spirit Rifle Practice  . . . . . . . . . 129--129
                      Anonymous   The Keely Motor Deception  . . . . . . . 129--129
                      Anonymous   The British Arctic Expedition  . . . . . 130--132
                      Anonymous   Augers . . . . . . . . . . . . . . . . . 133--133
                      Anonymous   Spayth's Rafter Scale and Bevel Gage . . 134--134
                      Anonymous   The Hercules Screw Propeller . . . . . . 134--134
                      Anonymous   New Life Raft  . . . . . . . . . . . . . 134--134
                      Anonymous   Jones' Improved Blind Stop . . . . . . . 134--134
                      Anonymous   The Ant-Eater Family . . . . . . . . . . 135--135
                      Anonymous   The Cobweb Apple Moth  . . . . . . . . . 135--136
                      Anonymous   The American Association for the
                                  Advancement of Science . . . . . . . . . 136--136
                      Anonymous   Decisions of the Courts  . . . . . . . . 136--136
                      Anonymous   Recent American and Foreign Patents  . . 137--137
                      Anonymous   Communications Received  . . . . . . . . 140--140
                      Anonymous   Canadian Patents . . . . . . . . . . . . 140--140

Scientific American
Volume 33, Number 10, September 4, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 148--148
                      Anonymous   Books: New Books and Publications  . . . 153--153
                      Anonymous   Business and Personal  . . . . . . . . . 155--155
                      Anonymous   Notes and Queries  . . . . . . . . . . . 155--156
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--156
                      Anonymous   Improved Power Punch and Shearing
                                  Machine  . . . . . . . . . . . . . . . . 143--143
                      Anonymous   What do we See?  . . . . . . . . . . . . 144--144
                      Anonymous   The Cause of Profuse Rains . . . . . . . 144--144
                      Anonymous   Steel Bronze an American Invention . . . 144--145
                      Anonymous   Death in the Nursing Bottle  . . . . . . 145--145
                      Anonymous   Clouds as Storm Signals  . . . . . . . . 145--145
                      Anonymous   Scientific and Practical Information . . 145--145
                      Anonymous   A New Gunboat  . . . . . . . . . . . . . 146--146
                      Anonymous   Driving Portable Tools . . . . . . . . . 146--147
                      Anonymous   A New Circular Compass . . . . . . . . . 147--147
                      Anonymous   Whitton's Stop Valve . . . . . . . . . . 147--147
                      Anonymous   The Cataleptic Rooster . . . . . . . . . 147--148
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 148--149
                      Anonymous   Combined Belt Tightener and Countershaft
                                  Hanger . . . . . . . . . . . . . . . . . 150--150
                      Anonymous   New Method of Bending Pipes  . . . . . . 150--150
                      Anonymous   Improved Nail Extractor  . . . . . . . . 150--150
                      Anonymous   Bohart's Beer Cooler . . . . . . . . . . 150--150
                      Anonymous   El Baron De Hughes . . . . . . . . . . . 151--152
                      Anonymous   The Heating Surface of Boilers . . . . . 152--152
                      Anonymous   The American Association for the
                                  Advancement of Science . . . . . . . . . 152--153
                      Anonymous   Decisions of the Courts  . . . . . . . . 153--153
                      Anonymous   Recent American and Foreign Patents  . . 154--155
                      Anonymous   Communications Received  . . . . . . . . 156--156
                      Anonymous   Canadian Patents . . . . . . . . . . . . 156--156

Scientific American
Volume 33, Number 11, September 11, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 164--165
                      Anonymous   Business and Personal  . . . . . . . . . 171--171
                      Anonymous   Notes and Queries  . . . . . . . . . . . 171--172
                      Anonymous   Index of Inventions  . . . . . . . . . . 172--172
                      Anonymous   The Centennial Buildings . . . . . . . . 159--159
                      Anonymous   A Solar Chronometer  . . . . . . . . . . 159--160
                      Anonymous   The Education of Sight . . . . . . . . . 160--160
                      Anonymous   Some New Volcano Revelations . . . . . . 160--160
                      Anonymous   Progress of Rapid City Transit . . . . . 160--161
                      Anonymous   Stealing Brains  . . . . . . . . . . . . 161--161
                      Anonymous   Traube's Artificial Cells  . . . . . . . 161--161
                      Anonymous   Scientific and Practical Information . . 161--161
                      Anonymous   Floating Fire Engines  . . . . . . . . . 162--163
                      Anonymous   Boring Bits  . . . . . . . . . . . . . . 165--165
                      Anonymous   Improved Cooking Chamber . . . . . . . . 166--166
                      Anonymous   Improved Ornamental Molding Machine  . . 166--166
                      Anonymous   \em Cochliostema Jacobianum  . . . . . . 167--167
                      Anonymous   Mesembryanthemums  . . . . . . . . . . . 167--168
                      Anonymous   Theories of the Earth's Interior . . . . 168--169
                      Anonymous   Decisions of the Courts  . . . . . . . . 169--169
                      Anonymous   Recent American and Foreign Patents  . . 169--170
                      Anonymous   Communications Received  . . . . . . . . 172--172
                      Anonymous   Canadian Patents . . . . . . . . . . . . 172--173

Scientific American
Volume 33, Number 12, September 18, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 180--180
                      Anonymous   Business and Personal  . . . . . . . . . 187--187
                      Anonymous   Notes and Queries  . . . . . . . . . . . 187--188
                      Anonymous   Index of Inventions  . . . . . . . . . . 188--188
                      Anonymous   The New Post Office, New York City . . . 175--175
                      Anonymous   The Woodbury Patent  . . . . . . . . . . 176--176
                      Anonymous   Shall We Eat the Horse?  . . . . . . . . 176--176
                      Anonymous   Me. Dawson's Idea of Evolution . . . . . 176--177
                      Anonymous   The New Department of Aesthetics . . . . 177--177
                      Anonymous   Lightning Rods . . . . . . . . . . . . . 177--177
                      Anonymous   Another View of Mr. Crookes' Last
                                  Discovery  . . . . . . . . . . . . . . . 177--177
                      Anonymous   Explosions in Gunpowder Mills by
                                  Electricity  . . . . . . . . . . . . . . 177--178
                      Anonymous   Improved Universal Grinder . . . . . . . 179--179
                      Anonymous   Compresses Steel . . . . . . . . . . . . 179--180
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 180--181
                      Anonymous   New Locomotive Feed Water Heater . . . . 182--182
                      Anonymous   Furnace Working with Petroleum . . . . . 182--182
                      Anonymous   Electrical Speed Recorder  . . . . . . . 182--182
                      Anonymous   Swans  . . . . . . . . . . . . . . . . . 183--183
                      Anonymous   Magnetism  . . . . . . . . . . . . . . . 184--185
                      Anonymous   Recent American and Foreign Patents  . . 186--186
                      Anonymous   Canadian Patents . . . . . . . . . . . . 187--187

Scientific American
Volume 33, Number 13, September 25, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 196--197
                      Anonymous   Books: New Books and Publications  . . . 202--202
                      Anonymous   Business and Personal  . . . . . . . . . 203--203
                      Anonymous   Notes and Queries  . . . . . . . . . . . 203--204
                      Anonymous   Index of Inventions  . . . . . . . . . . 204--204
                      Anonymous   Improved Floodway for Warehouses . . . . 191--191
                      Anonymous   Insect-Eating Plants . . . . . . . . . . 192--192
                      Anonymous   Completion of the Hell Gate Excavations  192--192
                      Anonymous   Drugging Horses  . . . . . . . . . . . . 192--193
                      Anonymous   Celluloid  . . . . . . . . . . . . . . . 193--193
                      Anonymous   Steam Boiler Phenomena . . . . . . . . . 193--193
                      Anonymous   ``Stray Ideas''  . . . . . . . . . . . . 193--193
                      Anonymous   The New Commissioner of Patents  . . . . 193--193
                      Anonymous   Life-Saving Apparatus  . . . . . . . . . 194--194
                      Anonymous   Water Pressure Engine  . . . . . . . . . 195--196
                      Anonymous   An Experimental Aurora . . . . . . . . . 197--197
                      Anonymous   Scientific and Practical Information . . 197--197
                      Anonymous   Improved Vise  . . . . . . . . . . . . . 198--198
                      Anonymous   Fox's Reversible Cap . . . . . . . . . . 198--198
                      Anonymous   A Mercurial Safety Valve . . . . . . . . 198--198
                      Anonymous   Roberts' Combined Lamp and Oil Can . . . 198--199
                      Anonymous   The Centennial Buildings . . . . . . . . 199--201
                      Anonymous   Decisions of the Courts  . . . . . . . . 201--202
                      Anonymous   Recent American and Foreign Patents  . . 202--202
                      Anonymous   Communications Received  . . . . . . . . 204--204
                      Anonymous   Canadian Patents . . . . . . . . . . . . 204--204

Scientific American
Volume 33, Number 14, October 2, 1875

                      Anonymous   Business and Personal  . . . . . . . . . 219--219
                      Anonymous   Notes and Queries  . . . . . . . . . . . 219--220
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--221
                      Anonymous   Improved Liquid Mixer  . . . . . . . . . 207--208
                      Anonymous   A New Use for Criminals  . . . . . . . . 208--208
                      Anonymous   How Far Will Bodies Sink in the Ocean?   208--208
                      Anonymous   The Proposed Railway Tunnel under the
                                  English Channel  . . . . . . . . . . . . 209--209
                      Anonymous   Science Pugnacious . . . . . . . . . . . 209--209
                      Anonymous   Gas from Night Soil and Dead Animals . . 209--209
                      Anonymous   Lightning Rods . . . . . . . . . . . . . 209--209
                      Anonymous   The Fair of the American Institute . . . 209--209
                      Anonymous   Carillon Machines  . . . . . . . . . . . 210--210
                      Anonymous   Deep Sea Sounding by Pianoforte Wire . . 211--211
                      Anonymous   Engineering in New Zealand . . . . . . . 211--212
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 212--213
                      Anonymous   Improved Adding Pencil . . . . . . . . . 214--214
                      Anonymous   Changing Salt Water to Fresh . . . . . . 214--214
                      Anonymous   Wood's Patent Square-Inch Test Valve . . 214--215
                      Anonymous   Knight's Improved Health Lift  . . . . . 215--215
                      Anonymous   A Model Villa  . . . . . . . . . . . . . 215--216
                      Anonymous   British Association Notes  . . . . . . . 216--217
                      Anonymous   Decisions of the Courts  . . . . . . . . 217--217
                      Anonymous   Recent American and Foreign Patents  . . 217--218
                      Anonymous   Communications Received  . . . . . . . . 220--220
                      Anonymous   Canadian Patents . . . . . . . . . . . . 221--221

Scientific American
Volume 33, Number 15, October 9, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 228--229
                      Anonymous   Business and Personal  . . . . . . . . . 235--235
                      Anonymous   Notes and Queries  . . . . . . . . . . . 235--236
                      Anonymous   Index of Inventions  . . . . . . . . . . 236--237
                      Anonymous   Improved Deodorizing Excavating
                                  Apparatus  . . . . . . . . . . . . . . . 223--224
                      Anonymous   The Relationships of Native Americans    224--224
                      Anonymous   Amateur Engineering  . . . . . . . . . . 224--224
                      Anonymous   Teaspoonfuls . . . . . . . . . . . . . . 224--224
                      Anonymous   Proportions of Boilers . . . . . . . . . 225--225
                      Anonymous   Suspended Animation as a Preserving
                                  Agent  . . . . . . . . . . . . . . . . . 225--225
                      Anonymous   Scientific and Practical Information . . 225--225
                      Anonymous   Universal Field Instrument . . . . . . . 226--226
                      Anonymous   New Tide and River Gages . . . . . . . . 227--227
                      Anonymous   Improved Friction Meter  . . . . . . . . 227--227
                      Anonymous   Captain Webb's Great Swimming Feat . . . 227--228
                      Anonymous   Improved Ellipsograph  . . . . . . . . . 230--230
                      Anonymous   Improved Railway Tie . . . . . . . . . . 230--230
                      Anonymous   Fleury's Eureka Weatherstrip . . . . . . 230--230
                      Anonymous   The Crested Black Kite . . . . . . . . . 231--231
                      Anonymous   The Florakin . . . . . . . . . . . . . . 231--232
                      Anonymous   The Fair of the American Institute . . . 233--233
                      Anonymous   Decisions of the Courts  . . . . . . . . 234--234
                      Anonymous   Recent American and Foreign Patents  . . 234--234
                      Anonymous   Communications Received  . . . . . . . . 236--236
                      Anonymous   Canadian Patents . . . . . . . . . . . . 237--237

Scientific American
Volume 33, Number 16, October 16, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 244--245
                      Anonymous   Books: New Books and Publications  . . . 249--250
                      Anonymous   Business and Personal  . . . . . . . . . 251--251
                      Anonymous   Notes and Queries  . . . . . . . . . . . 251--252
                      Anonymous   Index of Inventions  . . . . . . . . . . 252--252
                      Anonymous   The Eighty-Ton Guns  . . . . . . . . . . 239--240
                      Anonymous   The Fall River Strike  . . . . . . . . . 240--240
                      Anonymous   Mending a Fifteen-Inch Shaft at Sea  . . 240--240
                      Anonymous   A Disastrous Cyclone . . . . . . . . . . 240--240
                      Anonymous   The Postal Laws --- Amendments Needed    240--241
                      Anonymous   Conservatism Versus Progress . . . . . . 241--241
                      Anonymous   The Fair of the American Institute . . . 241--241
                      Anonymous   Scientific and Practical Information . . 241--241
                      Anonymous   Improved Ice-Making Machine  . . . . . . 242--242
                      Anonymous   Two-Story Railway Cars . . . . . . . . . 242--242
                      Anonymous   Liquid Carbonic Acid as a Motor  . . . . 243--244
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 245--245
                      Anonymous   Improved Tire-Upsetting Machine  . . . . 246--246
                      Anonymous   Hennaman and Shaw's Boiling Pot  . . . . 246--246
                      Anonymous   Improved Metallic Column . . . . . . . . 246--246
                      Anonymous   The Grange Farm Mill . . . . . . . . . . 246--246
                      Anonymous   The Great Spotted Iris . . . . . . . . . 247--247
                      Anonymous   \em Cupressus Nutkaensis . . . . . . . . 247--247
                      Anonymous   Caladium Culture . . . . . . . . . . . . 247--247
                      Anonymous   The Flamingo Plant . . . . . . . . . . . 247--247
                      Anonymous   Atmospheric Machinery  . . . . . . . . . 248--249
                      Anonymous   Decisions of the Courts  . . . . . . . . 249--249
                      Anonymous   Recent American and Foreign Patents  . . 250--250
                      Anonymous   Communications Received  . . . . . . . . 252--252
                      Anonymous   Canadian Patents . . . . . . . . . . . . 252--252

Scientific American
Volume 33, Number 17, October 23, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 260--261
                      Anonymous   Books: New Books and Publications  . . . 266--266
                      Anonymous   Business and Personal  . . . . . . . . . 267--267
                      Anonymous   Notes and Queries  . . . . . . . . . . . 267--268
                      Anonymous   Index of Inventions  . . . . . . . . . . 268--268
                      Anonymous   Modern Suspension Bridges  . . . . . . . 255--255
                      Anonymous   J. and J. A. Crook's Saw Sharpener . . . 255--255
                      Anonymous   The Geological Importance of Our Western
                                  Explorations . . . . . . . . . . . . . . 256--256
                      Anonymous   Carnivorous Plants . . . . . . . . . . . 256--256
                      Anonymous   The Fair of the American Institute . . . 256--257
                      Anonymous   Scientific and Practical Information . . 257--257
                      Anonymous   Flat Surfaces  . . . . . . . . . . . . . 257--257
                      Anonymous   Making Gas from Petroleum  . . . . . . . 258--258
                      Anonymous   Novel Engine Counter and Tell-Tale . . . 258--258
                      Anonymous   A Solid Flame Bunsen Burner  . . . . . . 258--258
                      Anonymous   Lloyd's Floating Apparatus . . . . . . . 258--258
                      Anonymous   New Gas Regulator  . . . . . . . . . . . 259--259
                      Anonymous   Cottrell and Babcock's Perfecting Press
                                  for Woodcut Printing-Firm's Rotary
                                  Attachment . . . . . . . . . . . . . . . 259--260
                      Anonymous   Improved Ventilating Heater  . . . . . . 262--262
                      Anonymous   Portable Steam Engines . . . . . . . . . 262--262
                      Anonymous   The Manatee or Cow Fish  . . . . . . . . 263--263
                      Anonymous   Land Tortoises . . . . . . . . . . . . . 263--263
                      Anonymous   The Shoemaker's Opportunity  . . . . . . 264--265
                      Anonymous   Recent American and Foreign Patents  . . 266--266
                      Anonymous   Communications Received  . . . . . . . . 268--268
                      Anonymous   Canadian Patents . . . . . . . . . . . . 268--269

Scientific American
Volume 33, Number 18, October 30, 1875

                      Anonymous   Business and Personal  . . . . . . . . . 283--283
                      Anonymous   Notes and Queries  . . . . . . . . . . . 283--284
                      Anonymous   Index of Inventions  . . . . . . . . . . 284--285
                      Anonymous   Modern British Locomotives . . . . . . . 271--271
                      Anonymous   Is Our Torpedo System Useless? . . . . . 272--272
                      Anonymous   The Colleges and the Hard Times  . . . . 272--272
                      Anonymous   The Locomotive Semi-Centennial . . . . . 272--272
                      Anonymous   Progress of American Telegraphy  . . . . 273--273
                      Anonymous   Foreign Patents-Reduction of Costs . . . 273--273
                      Anonymous   The Keely Motor Deception  . . . . . . . 273--273
                      Anonymous   The Fair of the American Institute . . . 273--273
                      Anonymous   Improved Tea Kettle  . . . . . . . . . . 274--274
                      Anonymous   Combined Scissors and Ripping Knife  . . 274--274
                      Anonymous   Recent Hospital Construction . . . . . . 274--274
                      Anonymous   Improved Friction Clutch Pulley  . . . . 274--274
                      Anonymous   The New Giffard Railway Carriages  . . . 275--275
                      Anonymous   New Method of Casting Steel Ingots . . . 275--275
                      Anonymous   A Home-Made Compound Microscope  . . . . 275--276
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 277--277
                      Anonymous   Improved Grinding Mills  . . . . . . . . 278--278
                      Anonymous   Improved Refrigerator and Counter  . . . 278--278
                      Anonymous   Oriental Horticulture  . . . . . . . . . 279--279
                      Anonymous   Useful and Curious Inventions  . . . . . 280--281
                      Anonymous   Scientific and Practical Information . . 281--281
                      Anonymous   Recent American and Foreign Patents  . . 282--282
                      Anonymous   Recent American and Foreign Patents  . . 282--282
                      Anonymous   Communications Received  . . . . . . . . 284--284
                      Anonymous   Canadian Patents . . . . . . . . . . . . 285--285

Scientific American
Volume 33, Number 19, November 6, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 292--293
                      Anonymous   Business and Personal  . . . . . . . . . 298--298
                      Anonymous   Notes and Queries  . . . . . . . . . . . 298--300
                      Anonymous   Index of Inventions  . . . . . . . . . . 300--300
                      Anonymous   A Powerful Crane . . . . . . . . . . . . 287--287
                      Anonymous   The Goal of Evolution  . . . . . . . . . 288--288
                      Anonymous   Instinctive Calculation  . . . . . . . . 288--288
                      Anonymous   Pineapple and Banana Fibers  . . . . . . 288--289
                      Anonymous   The Origin of Mountains  . . . . . . . . 289--289
                      Anonymous   Scientific and Practical Information . . 289--289
                      Anonymous   The Sheffield Steel Manufactures . . . . 291--291
                      Anonymous   Diving Bell and Grapnel  . . . . . . . . 291--291
                      Anonymous   J. A. Fay & Co.'s Mortising and Boring
                                  Machine  . . . . . . . . . . . . . . . . 291--291
                      Anonymous   The Psycho Mystery . . . . . . . . . . . 291--292
                      Anonymous   Improved Steam Heater for Dwellings  . . 294--294
                      Anonymous   Method of Securing Fish Plates to
                                  Railway Joints . . . . . . . . . . . . . 294--294
                      Anonymous   Black Cockatoos  . . . . . . . . . . . . 295--295
                      Anonymous   The Iguana Family  . . . . . . . . . . . 295--295
                      Anonymous   Astronomical Notes . . . . . . . . . . . 296--296
                      Anonymous   Earth Pits . . . . . . . . . . . . . . . 296--296
                      Anonymous   Flower Pots  . . . . . . . . . . . . . . 296--296
                      Anonymous   Decisions of the Courts  . . . . . . . . 296--296
                      Anonymous   Recent American and Foreign Patents  . . 297--297
                      Anonymous   New Agricultural Inventions  . . . . . . 297--297
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 297--297
                      Anonymous   New Household Articles . . . . . . . . . 297--297
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 297--297
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 297--297
                      Anonymous   Communications Received  . . . . . . . . 300--300
                      Anonymous   Canadian Patents . . . . . . . . . . . . 301--301

Scientific American
Volume 33, Number 20, November 13, 1875

                      Anonymous   Books: New Books and Publications  . . . 314--314
                      Anonymous   Business and Personal  . . . . . . . . . 315--315
                      Anonymous   Notes and Queries  . . . . . . . . . . . 315--316
                      Anonymous   Index of Inventions  . . . . . . . . . . 316--316
                      Anonymous   Improved Sawing and Grooving Machine . . 303--303
                      Anonymous   Filth as the Source of Preventable
                                  Disease  . . . . . . . . . . . . . . . . 304--304
                      Anonymous   What Fills the Interstellar Space  . . . 304--305
                      Anonymous   Foreign Patents-Splendid Opportunities
                                  for Americans  . . . . . . . . . . . . . 305--305
                      Anonymous   ``Wrinkles and Recipes'' . . . . . . . . 305--305
                      Anonymous   Veneered Diamonds Again  . . . . . . . . 305--305
                      Anonymous   Scientific and Practical Information . . 305--305
                      Anonymous   Pogpisil's Curtain Fixture . . . . . . . 306--306
                      Anonymous   A Juvenile Inventor  . . . . . . . . . . 306--306
                      Anonymous   Preserving Grapes  . . . . . . . . . . . 306--306
                      Anonymous   Improved Watchman's Time Check . . . . . 306--306
                      Anonymous   The Locomotives of 1825 and of 1875  . . 307--308
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 309--309
                      Anonymous   Improved Wagon Brake . . . . . . . . . . 310--310
                      Anonymous   Improved Drawing Press . . . . . . . . . 310--310
                      Anonymous   The Artificial Coloring of Plants  . . . 311--311
                      Anonymous   Melon Cucumbers  . . . . . . . . . . . . 311--311
                      Anonymous   The Skimmias . . . . . . . . . . . . . . 311--312
                      Anonymous   Engineering Structures . . . . . . . . . 312--313
                      Anonymous   Reduction in the Cost of Foreign Patents 313--313
                      Anonymous   Recent American and Foreign Patents  . . 314--314
                      Anonymous   New Agricultural Inventions  . . . . . . 314--314
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 314--314
                      Anonymous   New Household Articles . . . . . . . . . 314--314
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 314--314
                      Anonymous   Communications Received  . . . . . . . . 316--316
                      Anonymous   Canadian Patents . . . . . . . . . . . . 316--316

Scientific American
Volume 33, Number 21, November 20, 1875

                      Anonymous   Books: New Books and Publications  . . . 330--330
                      Anonymous   Business and Personal  . . . . . . . . . 331--331
                      Anonymous   Notes and Queries  . . . . . . . . . . . 331--331
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   A Strong Room for Valuables  . . . . . . 319--319
                      Anonymous   Surface Adhesion . . . . . . . . . . . . 320--320
                      Anonymous   How Some Mountain Gaps Have Been Formed  320--320
                      Anonymous   The Woodbury Planer War  . . . . . . . . 320--321
                      Anonymous   Expansion and Contraction by Moisture    321--321
                      Anonymous   Man as an Automaton  . . . . . . . . . . 321--321
                      Anonymous   American Inventions Re-Discovered in
                                  Europe . . . . . . . . . . . . . . . . . 321--321
                      Anonymous   Scientific and Practical Information . . 321--321
                      Anonymous   A New Propeller  . . . . . . . . . . . . 322--322
                      Anonymous   Lubricating Device for Sewing and other
                                  Light Machines . . . . . . . . . . . . . 322--322
                      Anonymous   A New Patent File  . . . . . . . . . . . 322--322
                      Anonymous   The Proposed Refrigerator Steamer  . . . 322--323
                      Anonymous   Flasks for Liquid Carbonic Acid  . . . . 323--323
                      Anonymous   Ancient War Engines  . . . . . . . . . . 323--325
                      Anonymous   Laying off a Square  . . . . . . . . . . 325--325
                      Anonymous   Improved Odorless Water Closet . . . . . 326--326
                      Anonymous   Hale's Duplex Water Elevator . . . . . . 326--326
                      Anonymous   Production of Heat and Light . . . . . . 327--327
                      Anonymous   The \em Yucca Stricta  . . . . . . . . . 327--327
                      Anonymous   Miscellaneous Useful Inventions  . . . . 328--328
                      Anonymous   Professor Bunsen's New Apparatus and
                                  Battery for Spark Spectra  . . . . . . . 329--330
                      Anonymous   Recent American and Foreign Patents  . . 330--330
                      Anonymous   New Household Articles . . . . . . . . . 330--330
                      Anonymous   New Agricultural Inventions  . . . . . . 330--330
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 330--330
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 330--330
                      Anonymous   Communications Received  . . . . . . . . 332--332
                      Anonymous   Canadian Patents . . . . . . . . . . . . 332--332

Scientific American
Volume 33, Number 22, November 27, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 340--340
                      Anonymous   Books: New Books and Publications  . . . 345--345
                      Anonymous   Business and Personal  . . . . . . . . . 346--346
                      Anonymous   Notes and Queries  . . . . . . . . . . . 346--347
                      Anonymous   Index of Inventions  . . . . . . . . . . 348--348
                      Anonymous   New System for Ventilating and Cleansing
                                  Drain Pipes in Buildings . . . . . . . . 335--335
                      Anonymous   The Gulf Stream as a Heat Carrier  . . . 336--336
                      Anonymous   The Patent Drive Well  . . . . . . . . . 336--336
                      Anonymous   Cereals and Their Chemical Valve . . . . 336--337
                Albert R. Leeds   When is Water Unfit to Drink?  . . . . . 337--337
                      Anonymous   The Fair of the American Institute . . . 337--337
                      Anonymous   Scientific and Practical Information . . 337--337
                      Anonymous   The Hematite Iron Mines of England . . . 338--338
                      Anonymous   Sheldon's Auxiliary Car Seat . . . . . . 338--338
                      Anonymous   Setting Boilers  . . . . . . . . . . . . 339--340
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 341--341
                      Anonymous   Combined Hand and Slide Lathe  . . . . . 342--342
                      Anonymous   The Antelopes  . . . . . . . . . . . . . 343--343
                      Anonymous   The Sambur . . . . . . . . . . . . . . . 343--343
                   Henry Morton   A New Chromatrope  . . . . . . . . . . . 344--344
                      Anonymous   A New Induction Coil . . . . . . . . . . 344--345
                      Anonymous   Decisions of the Courts  . . . . . . . . 345--345
                      Anonymous   Recent American and Foreign Patents  . . 345--345
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 345--345
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 345--345
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 345--345
                      Anonymous   New Household Articles . . . . . . . . . 345--345
                      Anonymous   Communications Received  . . . . . . . . 347--348
                      Anonymous   Canadian Patents . . . . . . . . . . . . 348--348

Scientific American
Volume 33, Number 23, December 4, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 356--357
                      Anonymous   Books: New Books and Publications  . . . 362--362
                      Anonymous   Business and Personal  . . . . . . . . . 363--363
                      Anonymous   Notes and Queries  . . . . . . . . . . . 363--363
                      Anonymous   Index of Inventions  . . . . . . . . . . 363--364
                      Anonymous   The Hudson River Bridge at Troy, N.Y.    351--351
                      Anonymous   Publishers' Card . . . . . . . . . . . . 352--352
                      Anonymous   The Great International Exposition . . . 352--352
                      Anonymous   The Water Gas Delusion Again . . . . . . 352--352
                      Anonymous   Curious Poison Stories . . . . . . . . . 353--353
                      Anonymous   The Source of Volcanic Action  . . . . . 353--353
                      Anonymous   The Meeting of the Public Health
                                  Association  . . . . . . . . . . . . . . 353--353
                      Anonymous   Working Steep Gradients by Locomotives   354--354
                      Anonymous   Mein's Patent Governor . . . . . . . . . 354--354
                      Anonymous   Moore's Pulley Block . . . . . . . . . . 354--354
                      Anonymous   Powell's Improved Burglar Alarm  . . . . 355--355
                      Anonymous   The Emission of Carbonic Acid from Roots 355--355
                      Anonymous   The HolbrooK Patent Blind Hinge  . . . . 355--355
                      Anonymous   Meigs' Improved Dioptric Light . . . . . 355--355
                      Anonymous   Pedden's Improved Cow Tail Holder  . . . 355--355
                      Anonymous   Le Coentre's Sounding Apparatus  . . . . 357--357
                      Anonymous   Improved Sadiron . . . . . . . . . . . . 358--358
                      Anonymous   The Centennial Combination Culinary
                                  Apparatus  . . . . . . . . . . . . . . . 358--358
                      Anonymous   Ironclad Vessels . . . . . . . . . . . . 359--360
                      Anonymous   Astronomical Notes . . . . . . . . . . . 360--360
                      Anonymous   Miscellaneous Useful Inventions  . . . . 361--361
                      Anonymous   Recent American and Foreign Inventions   362--362
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 362--362
                      Anonymous   New Woodwork and House and Carriage
                                  Building Inventions  . . . . . . . . . . 362--362
                      Anonymous   New Household Articles . . . . . . . . . 362--362
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 362--362
                      Anonymous   Communications Received  . . . . . . . . 363--363

Scientific American
Volume 33, Number 24, December 11, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 372--372
                      Anonymous   Business and Personal  . . . . . . . . . 378--378
                      Anonymous   Notes and Queries  . . . . . . . . . . . 378--379
                      Anonymous   Index of Inventions  . . . . . . . . . . 379--380
                      Anonymous   Ballasting Machinery . . . . . . . . . . 367--367
                      Anonymous   Wood-Boring Machinery  . . . . . . . . . 367--367
                      Anonymous   Publishers' Card . . . . . . . . . . . . 368--368
                      Anonymous   What is Hard Money?  . . . . . . . . . . 368--368
                      Anonymous   Mechanical Drawing . . . . . . . . . . . 368--368
                      Anonymous   Explosion at the Pullman Car Works . . . 368--369
                      Anonymous   The Preservation of Hops . . . . . . . . 369--369
                      Anonymous   The \booktitleScientific American
                                  Supplement . . . . . . . . . . . . . . . 369--369
                      Anonymous   A Hint for the Holidays  . . . . . . . . 369--369
                      Anonymous   Scientific and Practical Information . . 369--369
                      Anonymous   Improved Floodway for Warehouses . . . . 370--370
                      Anonymous   The Little Giant Steam Engine  . . . . . 371--371
                      Anonymous   A Mechanical Phoenix . . . . . . . . . . 371--372
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 373--373
                      Anonymous   Improved Lever Power . . . . . . . . . . 374--374
                      Anonymous   Improved Tubular Bow Socket  . . . . . . 374--374
                      Anonymous   Hampton Court Palace and Gardens . . . . 375--375
                      Anonymous   The Oldest Medical Work in the World . . 376--376
                      Anonymous   Recent American and Foreign Patents  . . 377--377
                      Anonymous   New Household Articles . . . . . . . . . 377--377
                      Anonymous   New Agricultural Inventions  . . . . . . 377--377
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 377--377
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 377--377
                      Anonymous   Communications Received  . . . . . . . . 379--379
                      Anonymous   Canadian Patents . . . . . . . . . . . . 380--380

Scientific American
Volume 33, Number 25, December 18, 1875

                      Anonymous   Correspondence . . . . . . . . . . . . . 387--389
                      Anonymous   Books: New Books and Publications  . . . 393--393
                      Anonymous   Business and Personal  . . . . . . . . . 394--394
                      Anonymous   Notes and Queries  . . . . . . . . . . . 394--395
                      Anonymous   Index of Inventions  . . . . . . . . . . 395--396
                      Anonymous   A New Grain Elevator . . . . . . . . . . 383--384
                      Anonymous   Publishers' Card . . . . . . . . . . . . 384--384
                      Anonymous   Diphtheria . . . . . . . . . . . . . . . 384--384
                      Anonymous   A Valuable Gift by Chemistry to the
                                  World  . . . . . . . . . . . . . . . . . 384--384
                      Anonymous   Making Excuses . . . . . . . . . . . . . 384--385
                      Anonymous   Weak Sparks  . . . . . . . . . . . . . . 385--385
                      Anonymous   Working Men's Reading Rooms  . . . . . . 385--385
                      Anonymous   That Obnoxious Postal Law  . . . . . . . 385--385
                      Anonymous   Six Good Reasons Why Every Manufacturer,
                                  Mechanic, Inventor, and Artisan Should
                                  Become a Patron of the
                                  \booktitleScientific American  . . . . . 385--385
                      Anonymous   Steam Cultivation  . . . . . . . . . . . 386--386
                      Anonymous   Recent Improvements in the Screw
                                  Propeller  . . . . . . . . . . . . . . . 386--387
                      Anonymous   Robertson's Iron Fence . . . . . . . . . 387--387
                   Henry Morton   A Non-Retreating Bunsen Burner . . . . . 387--387
                      Anonymous   Plate Shearing Machinery . . . . . . . . 390--390
                      Anonymous   Donkey Pump  . . . . . . . . . . . . . . 390--390
                      Anonymous   Improved Screw Cutting Die and Holder    390--390
                      Anonymous   The Krupp Twelve Hundred Pounder Gun . . 391--391
                      Anonymous   The Trinity Shoals Lighthouse  . . . . . 391--393
                      Anonymous   Recent American and Foreign Patents  . . 393--393
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 393--393
                      Anonymous   New Household Articles . . . . . . . . . 393--393
                      Anonymous   New Woodwork and House and Carriage
                                  Building Inventions  . . . . . . . . . . 393--393
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 393--393
                      Anonymous   Communications Received  . . . . . . . . 395--395
                      Anonymous   Canadian Patents . . . . . . . . . . . . 396--396

Scientific American
Volume 33, Number 26, December 25, 1875

                      Anonymous   Business and Personal  . . . . . . . . . 409--409
                      Anonymous   Notes and Queries  . . . . . . . . . . . 409--409
                      Anonymous   Index of Inventions  . . . . . . . . . . 409--410
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 411--412
                      Anonymous   Grand Central Depot Signal System  . . . 399--399
                      Anonymous   The Origin of Life . . . . . . . . . . . 400--400
                      Anonymous   Heavy Loss from Lightning Rod Ignorance  400--400
                      Anonymous   Light in Coal Mines  . . . . . . . . . . 400--400
                      Anonymous   The Discovery of Another form of
                                  Electricity  . . . . . . . . . . . . . . 400--401
                      Anonymous   The New Phase of Electric Force  . . . . 401--401
                      Anonymous   Timely Suggestions . . . . . . . . . . . 401--401
                      Anonymous   Acidemetry Applied to the Testing of
                                  Vinegar  . . . . . . . . . . . . . . . . 402--402
                      Anonymous   King's Improved Support for Printers'
                                  Galleys  . . . . . . . . . . . . . . . . 402--402
                      Anonymous   New Double Shaping Machine . . . . . . . 403--403
                      Anonymous   Filters and Liquid Meters  . . . . . . . 404--405
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 405--405
                      Anonymous   Miller's Recoil Check for Guns . . . . . 406--406
                      Anonymous   Improved Universal Wheelwright's Machine 406--406
                      Anonymous   American Silk-Spinning Machinery . . . . 406--406
                      Anonymous   Greenhouses and Hothouses  . . . . . . . 407--407
                      Anonymous   Plant Vases for Indoor Decoration  . . . 407--408
                      Anonymous   Recent American and Foreign Patents  . . 408--408
                      Anonymous   New Household Articles . . . . . . . . . 408--408
                      Anonymous   New Agricultural Inventions  . . . . . . 408--408
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 408--408
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 408--408
                      Anonymous   Communications Received  . . . . . . . . 409--409


Scientific American
Volume 34, Number 1, January 1, 1876

                      Anonymous   Books: New Books and Publications  . . . 8--8
                      Anonymous   Business and Personal  . . . . . . . . . 10--10
                      Anonymous   Notes and Queries  . . . . . . . . . . . 10--11
                      Anonymous   Index of Inventions  . . . . . . . . . . 11--12
                      Anonymous   Slotting Machines  . . . . . . . . . . . 1--1
                      Anonymous   Etheric Force and Weak Electric Sparks   2--2
                      Anonymous   To Engineers . . . . . . . . . . . . . . 2--2
                      Anonymous   Powerful Explosives  . . . . . . . . . . 2--3
                      Anonymous   The Plumber's Harvest Time . . . . . . . 3--3
                      Anonymous   The Analysis of Cow's Milk . . . . . . . 3--3
                      Anonymous   Dangerous Playthings . . . . . . . . . . 3--3
                      Anonymous   Improved Vertical Wood-Boring Machine    4--4
                      Anonymous   Improved Show Case . . . . . . . . . . . 4--5
                      Anonymous   Scientific and Practical Information . . 5--5
                      Anonymous   A Geometrical Problem  . . . . . . . . . 5--5
                   Henry Morton   An Addition to the New Chromatrope . . . 5--5
                      Anonymous   Improved Scroll Sawing Machine . . . . . 6--6
                      Anonymous   Improved Saw File Guide  . . . . . . . . 6--6
                      Anonymous   Compounding Steam Engines  . . . . . . . 7--8
                      Anonymous   Timely Suggestions . . . . . . . . . . . 8--8
                      Anonymous   Decisions of the Courts  . . . . . . . . 8--9
                      Anonymous   Recent American and Foreign Patents  . . 9--9
                      Anonymous   New Textile Machinery  . . . . . . . . . 9--9
                      Anonymous   New Household Articles . . . . . . . . . 9--9
                      Anonymous   New Agricultural Inventions  . . . . . . 9--9
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 9--9
                      Anonymous   Communications Received  . . . . . . . . 11--11
                      Anonymous   Canadian Patents . . . . . . . . . . . . 12--12

Scientific American
Volume 34, Number 2, January 8, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 20--20
                      Anonymous   Business and Personal  . . . . . . . . . 26--26
                      Anonymous   Notes and Queries  . . . . . . . . . . . 26--27
                      Anonymous   Index of Inventions  . . . . . . . . . . 27--28
                      Anonymous   The New York Anchorage of the East River
                                  Bridge . . . . . . . . . . . . . . . . . 15--16
                      Anonymous   A New Use for the East River Bridge  . . 16--16
                      Anonymous   Electricity as an Executioner  . . . . . 16--16
                      Anonymous   Is Insurance a Benefit?  . . . . . . . . 17--17
                      Anonymous   Mr. Edison's Electric Discovery  . . . . 17--17
                      Anonymous   Mechanical Drawing . . . . . . . . . . . 17--17
                      Anonymous   The \booktitleScientific American
                                  Supplement . . . . . . . . . . . . . . . 17--17
                      Anonymous   The Knowles Steam Pumps  . . . . . . . . 18--20
                      Anonymous   Astronomical Notes . . . . . . . . . . . 20--20
                      Anonymous   Seeing Distant Objects from Elevations   20--20
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 21--21
                      Anonymous   Improved Railway Rail Joint  . . . . . . 22--22
                      Anonymous   Improved Furnace Grate Bar . . . . . . . 22--22
                      Anonymous   The Alocasias  . . . . . . . . . . . . . 23--23
                      Anonymous   The Guelder Rose . . . . . . . . . . . . 23--23
                      Anonymous   Bridles, Bits, Hubs, and Horseshoes  . . 24--25
                      Anonymous   Reduction in the Cost of Foreign Patents 25--25
                      Anonymous   Recent American and Foreign Patents  . . 25--25
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 25--25
                      Anonymous   New Household Articles . . . . . . . . . 25--25
                      Anonymous   New Agricultural Inventions  . . . . . . 25--25
                      Anonymous   Communications Received  . . . . . . . . 27--27
                      Anonymous   Canadian Patents . . . . . . . . . . . . 28--28

Scientific American
Volume 34, Number 3, January 15, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 36--37
                      Anonymous   Books: New Books and Publications  . . . 41--41
                      Anonymous   Business and Personal  . . . . . . . . . 43--43
                      Anonymous   Notes and Queries  . . . . . . . . . . . 43--44
                      Anonymous   Index of Inventions  . . . . . . . . . . 44--44
                      Anonymous   The Mexican Railway  . . . . . . . . . . 31--31
                      Anonymous   What Working Men Should Exhibit at the
                                  Centennial . . . . . . . . . . . . . . . 32--32
                      Anonymous   Stanley, Cameron, and Nordenskjold . . . 32--32
                      Anonymous   Photographing the Invisible  . . . . . . 32--33
                      Anonymous   One of Mr. Edison's Curious Experiments  33--33
                      Anonymous   Who Invented the Barrel? . . . . . . . . 33--33
                      Anonymous   Lower California . . . . . . . . . . . . 33--33
                      Anonymous   Rapid Bridge Building  . . . . . . . . . 33--33
                      Anonymous   Water in the Pipes . . . . . . . . . . . 33--33
                      Anonymous   Improvements in the Manufacture of Coke  34--34
                      Anonymous   Improved Apparatus for Emptying Aquaria  34--34
                      Anonymous   Voting by Machinery  . . . . . . . . . . 35--35
                      Anonymous   Improved Mill  . . . . . . . . . . . . . 35--36
                      Anonymous   Improved Still Column  . . . . . . . . . 38--38
                      Anonymous   Improved Barrel Faucet Bushing . . . . . 38--38
                      Anonymous   The Jaguars  . . . . . . . . . . . . . . 39--40
                      Anonymous   The New Nebular Theory --- Possible Work
                                  for the Astronomers  . . . . . . . . . . 40--40
                      Anonymous   Scientific and Practical Information . . 41--41
                      Anonymous   Decisions of the Courts  . . . . . . . . 41--41
                      Anonymous   Recent American and Foreign Patents  . . 41--42
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 42--42
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 42--42
                      Anonymous   New Agricultural Inventions  . . . . . . 42--42
                      Anonymous   New Household Articles . . . . . . . . . 42--42
                      Anonymous   New Textile Machinery  . . . . . . . . . 42--42
                      Anonymous   Communications Received  . . . . . . . . 44--44
                      Anonymous   Canadian Patents . . . . . . . . . . . . 44--44

Scientific American
Volume 34, Number 4, January 22, 1876

                      Anonymous   Books: New Books and Publications  . . . 57--57
                      Anonymous   Business and Personal  . . . . . . . . . 59--59
                      Anonymous   Notes and Queries  . . . . . . . . . . . 59--59
                      Anonymous   Index of Inventions  . . . . . . . . . . 59--60
                      Anonymous   New Railroad Depot . . . . . . . . . . . 47--47
                      Anonymous   Working Men's Visits to the Centennial   48--48
                      Anonymous   Theory and Practice  . . . . . . . . . . 48--48
                      Anonymous   Drawbridge Inconsistency . . . . . . . . 48--49
                      Anonymous   The Centennial Exhibition  . . . . . . . 49--49
                      Anonymous   Bamboo as a Source of Paper Stock  . . . 49--49
                      Anonymous   Our Water Supply . . . . . . . . . . . . 49--49
                      Anonymous   Scientific and Practical Information . . 49--49
                      Anonymous   Improved Hat-Making Machinery  . . . . . 50--50
                      Anonymous   The Knowles Horizontal Mining Pump . . . 51--51
                      Anonymous   Steam Horse for Street Railways  . . . . 51--52
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 53--53
                      Anonymous   Improved Cotton Planter  . . . . . . . . 54--54
                      Anonymous   Improved Vise  . . . . . . . . . . . . . 54--54
                      Anonymous   Potin's Galvano-Electric Bath  . . . . . 54--54
                      Anonymous   The Gardens at Schönbrunn . . . . . . . . 55--55
                      Anonymous   Cheese and Cider Making and Lard
                                  Rendering  . . . . . . . . . . . . . . . 56--56
                George M. Beard   The Nature of the Newly Discovered Force 57--57
                      Anonymous   Decisions of the Courts  . . . . . . . . 57--57
                      Anonymous   Recent American and Foreign Patents  . . 58--58
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 58--58
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 58--58
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 58--58
                      Anonymous   New Agricultural Inventions  . . . . . . 58--58
                      Anonymous   Communications Received  . . . . . . . . 59--59
                      Anonymous   Canadian Patents . . . . . . . . . . . . 60--60

Scientific American
Volume 34, Number 5, January 29, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 69--69
                      Anonymous   Business and Personal  . . . . . . . . . 74--74
                      Anonymous   Notes and Queries  . . . . . . . . . . . 74--75
                      Anonymous   Index of Inventions  . . . . . . . . . . 76--76
                      Anonymous   Improved Gas Apparatus . . . . . . . . . 63--63
                      Anonymous   Steam on the Highways --- Ten Thousand
                                  Dollars Reward . . . . . . . . . . . . . 64--64
                      Anonymous   Galton's New Theory of Heredity  . . . . 64--65
                      Anonymous   Infernal Machines  . . . . . . . . . . . 65--65
                      Anonymous   Safe Savings. --- an Improvement Needed  65--65
                      Anonymous   Improved Fire Plug . . . . . . . . . . . 66--66
                      Anonymous   The Rider Compression Engine . . . . . . 66--66
                      Anonymous   Coining  . . . . . . . . . . . . . . . . 68--68
                      Anonymous   The Buddha Crab  . . . . . . . . . . . . 68--68
                      Anonymous   Improved Band Sawing Machine . . . . . . 70--70
                      Anonymous   A Sensible and Substantial Grinding
                                  Machine  . . . . . . . . . . . . . . . . 70--71
                      Anonymous   The Penguin Family . . . . . . . . . . . 71--71
                      Anonymous   Scientific and Practical Information . . 72--72
                      Anonymous   The Patents of 1875  . . . . . . . . . . 72--73
                      Anonymous   Decisions of the Courts  . . . . . . . . 73--73
                      Anonymous   Recent American and Foreign Patents  . . 73--73
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 73--73
                      Anonymous   New Agricultural Inventions  . . . . . . 73--73
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 73--73
                      Anonymous   New Household Articles . . . . . . . . . 73--73
                      Anonymous   Communications Received  . . . . . . . . 75--75
                      Anonymous   Canadian Patents . . . . . . . . . . . . 76--76
                      Anonymous   Correspondence . . . . . . . . . . . . . 69--69
                      Anonymous   Business and Personal  . . . . . . . . . 74--74
                      Anonymous   Notes and Queries  . . . . . . . . . . . 74--75
                      Anonymous   Index of Inventions  . . . . . . . . . . 76--76
                      Anonymous   Correspondence . . . . . . . . . . . . . 84--84
                      Anonymous   Books: New Books and Publications  . . . 90--90
                      Anonymous   Business and Personal  . . . . . . . . . 91--91
                      Anonymous   Notes and Queries  . . . . . . . . . . . 91--91
                      Anonymous   Index of Inventions  . . . . . . . . . . 91--92
                      Anonymous   Improved Gas Apparatus . . . . . . . . . 63--63
                      Anonymous   Steam on the Highways --- Ten Thousand
                                  Dollars Reward . . . . . . . . . . . . . 64--64
                      Anonymous   Galton's New Theory of Heredity  . . . . 64--65
                      Anonymous   Infernal Machines  . . . . . . . . . . . 65--65
                      Anonymous   Safe Savings. --- an Improvement Needed  65--65
                      Anonymous   Improved Fire Plug . . . . . . . . . . . 66--66
                      Anonymous   The Rider Compression Engine . . . . . . 66--66
                      Anonymous   Coining  . . . . . . . . . . . . . . . . 68--68
                      Anonymous   The Buddha Crab  . . . . . . . . . . . . 68--68
                      Anonymous   Improved Band Sawing Machine . . . . . . 70--70
                      Anonymous   A Sensible and Substantial Grinding
                                  Machine  . . . . . . . . . . . . . . . . 70--71
                      Anonymous   The Penguin Family . . . . . . . . . . . 71--71
                      Anonymous   Scientific and Practical Information . . 72--72
                      Anonymous   The Patents of 1875  . . . . . . . . . . 72--73
                      Anonymous   Decisions of the Courts  . . . . . . . . 73--73
                      Anonymous   Recent American and Foreign Patents  . . 73--73
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 73--73
                      Anonymous   New Agricultural Inventions  . . . . . . 73--73
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 73--73
                      Anonymous   New Household Articles . . . . . . . . . 73--73
                      Anonymous   Communications Received  . . . . . . . . 75--75
                      Anonymous   Canadian Patents . . . . . . . . . . . . 76--76
                      Anonymous   Improved Revolving Furnace . . . . . . . 79--79
                      Anonymous   ``Science Record'' for 1876  . . . . . . 80--80
                      Anonymous   Machine Mercy  . . . . . . . . . . . . . 80--80
                      Anonymous   Progress of the Great Jetty Works at the
                                  Mouth of the Mississippi . . . . . . . . 80--80
                      Anonymous   Removal of Snow from City Railway Tracks 80--81
                      Anonymous   High Gas Bills and Their Prevention  . . 81--81
                      Anonymous   A Neglected Industry --- Bee Culture . . 81--81
                      Anonymous   A New Air Refrigerator . . . . . . . . . 82--82
                      Anonymous   Woodworking Machinery in England . . . . 82--82
                      Anonymous   The Manufacture of Dynamite  . . . . . . 83--83
                      Anonymous   Boot and Shoe Apparatus  . . . . . . . . 83--84
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 84--85
                      Anonymous   Improved Sulphurous Acid Apparatus for
                                  Bleaching Cane Juice . . . . . . . . . . 86--86
                      Anonymous   Harding's Cushion Emery Wheel  . . . . . 86--86
                      Anonymous   Noel's Improved Corn Planter . . . . . . 86--86
                      Anonymous   Improved Thrashing Machinery . . . . . . 87--88
                      Anonymous   Scientific and Practical Information . . 88--88
                      Anonymous   Astronomical Notes . . . . . . . . . . . 88--88
             P. H. Vander Weyde   The Nature of the Phenomena Discovered
                                  by Mr. Edison  . . . . . . . . . . . . . 89--89
                      Anonymous   Recent American and Foreign Patents  . . 90--90
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 90--90
                      Anonymous   New Household Articles . . . . . . . . . 90--90
                      Anonymous   New Textile Machinery  . . . . . . . . . 90--90
                      Anonymous   New Agricultural Inventions  . . . . . . 90--90
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 90--90
                      Anonymous   Communications Received  . . . . . . . . 91--91
                      Anonymous   Canadian Patents . . . . . . . . . . . . 92--92

Scientific American
Volume 34, Number 7, February 12, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 100--101
                      Anonymous   Books: New Books and Publications  . . . 105--105
                      Anonymous   Business and Personal  . . . . . . . . . 106--106
                      Anonymous   Notes and Queries  . . . . . . . . . . . 106--107
                      Anonymous   Index of Inventions  . . . . . . . . . . 107--108
                      Anonymous   The New Telescope in the Paris
                                  Observatory  . . . . . . . . . . . . . . 95--96
                      Anonymous   Re-Discoveries and Re-Inventions . . . . 96--96
                      Anonymous   Felting and Its Uses . . . . . . . . . . 96--97
                      Anonymous   No Rest  . . . . . . . . . . . . . . . . 97--97
                      Anonymous   Timber Waste a National Suicide  . . . . 97--97
                      Anonymous   Shall We Undergo Dissection? . . . . . . 97--97
                      Anonymous   Patent Matters before Congress . . . . . 97--97
                      Anonymous   The Atlantic Ferry . . . . . . . . . . . 97--97
                      Anonymous   Recent Improvements in Locomotive
                                  Engines  . . . . . . . . . . . . . . . . 98--98
                      Anonymous   Improved Automatic Cradle  . . . . . . . 99--99
                      Anonymous   Brooks' Improved Clothes Dryer . . . . . 99--99
                      Anonymous   A New Steam Trap . . . . . . . . . . . . 99--99
                      Anonymous   Improved Adjustable Almanac  . . . . . . 102--102
                      Anonymous   Improved Jump Seat for Carriages . . . . 102--102
                      Anonymous   The Fish Hawks . . . . . . . . . . . . . 103--103
                      Anonymous   Power Looms  . . . . . . . . . . . . . . 104--104
                      Anonymous   Recent American and Foreign Patents  . . 105--105
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 105--105
                      Anonymous   New Agricultural Inventions  . . . . . . 105--105
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 105--105
                      Anonymous   Communications Received  . . . . . . . . 107--107
                      Anonymous   Canadian Patents . . . . . . . . . . . . 108--108

Scientific American
Volume 34, Number 8, February 19, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 116--116
                      Anonymous   Books: New Books and Publications  . . . 120--120
                      Anonymous   Business and Personal  . . . . . . . . . 122--122
                      Anonymous   Notes and Queries  . . . . . . . . . . . 122--123
                      Anonymous   Index of Inventions  . . . . . . . . . . 123--124
                      Anonymous   Improved Dumping Cart  . . . . . . . . . 112--113
                      Anonymous   Kentucky Weather Prophets  . . . . . . . 113--113
                      Anonymous   Opium Dangers  . . . . . . . . . . . . . 113--113
                      Anonymous   The Aristocracy of All . . . . . . . . . 113--113
                      Anonymous   Improvements in the Organ  . . . . . . . 113--113
                      Anonymous   New Woodworking Machinery  . . . . . . . 114--114
                      Anonymous   Automatic Sprinkler for Extinguishing
                                  Fires  . . . . . . . . . . . . . . . . . 114--114
                      Anonymous   Improved Tools for Threading Bolts and
                                  Nuts . . . . . . . . . . . . . . . . . . 115--115
                      Anonymous   A New Blowpipe . . . . . . . . . . . . . 115--115
                      Anonymous   New Applications of Electricity to Organ
                                  Building . . . . . . . . . . . . . . . . 117--117
                      Anonymous   Improved Sash Fastener . . . . . . . . . 118--118
                      Anonymous   Improved Sewer Gas Trap  . . . . . . . . 118--118
                      Anonymous   Improved Brush Binder  . . . . . . . . . 118--118
                      Anonymous   Improved Carpet Rag Looper . . . . . . . 118--118
                      Anonymous   Improved Countersink for Boring Tools    119--119
                      Anonymous   Household: Devices, Gates, and Hinges    119--120
                      Anonymous   Decisions of the Courts  . . . . . . . . 120--120
                      Anonymous   Recent American and Foreign Patents  . . 120--121
                      Anonymous   New Agricultural Inventions  . . . . . . 121--121
                      Anonymous   New Textile Machinery  . . . . . . . . . 121--121
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 121--121
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 121--121
                      Anonymous   Communications Received  . . . . . . . . 123--123

Scientific American
Volume 34, Number 9, February 26, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 132--132
                      Anonymous   Business and Personal  . . . . . . . . . 138--138
                      Anonymous   Notes and Queries  . . . . . . . . . . . 138--140
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   Improved Pumping Engine for Water Works  127--127
                      Anonymous   What the Coming Man may be . . . . . . . 128--128
                      Anonymous   A Man's Work . . . . . . . . . . . . . . 128--128
                      Anonymous   The Oil Resources of Africa  . . . . . . 128--129
                      Anonymous   Another Neglected Industry --- Mushroom
                                  Raising  . . . . . . . . . . . . . . . . 129--129
                      Anonymous   Can We Protect Our Bank Vaults?  . . . . 129--129
                      Anonymous   Remarkable Pumping Engines . . . . . . . 129--129
                      Anonymous   New Automatic Feed Water Purifier  . . . 130--130
                      Anonymous   Port's Improved Wrench . . . . . . . . . 131--131
                      Anonymous   Improved Lathing Machine . . . . . . . . 131--131
                      Anonymous   Improved Submerged Current Wheel . . . . 131--131
                      Anonymous   A Simple form of Blowpipe  . . . . . . . 131--131
                      Anonymous   Improved Barbers' Apparatus  . . . . . . 131--132
                      Anonymous   A New Medicament . . . . . . . . . . . . 132--133
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 133--133
                      Anonymous   Improved Leather-Dressing Machine  . . . 134--134
                      Anonymous   Water Regulator and Indicator for Steam
                                  Boilers  . . . . . . . . . . . . . . . . 134--134
                      Anonymous   A Caucasian Wild Geranium  . . . . . . . 135--135
                      Anonymous   The Extermination of the Phylloxera by
                                  Alkaline Sulpho-Carbonates . . . . . . . 135--136
                      Anonymous   Scientific and Practical Information . . 136--137
                      Anonymous   Decisions of the Courts  . . . . . . . . 137--137
                      Anonymous   Recent American and Foreign Patents  . . 137--137
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 137--137
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 137--137
                      Anonymous   New Agricultural Inventions  . . . . . . 137--137
                      Anonymous   Communications Received  . . . . . . . . 140--140
                      Anonymous   Canadian Patents . . . . . . . . . . . . 140--140

Scientific American
Volume 34, Number 10, March 4, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 148--148
                      Anonymous   Business and Personal  . . . . . . . . . 154--154
                      Anonymous   Notes and Queries  . . . . . . . . . . . 154--155
                      Anonymous   Index of Inventions  . . . . . . . . . . 155--156
                      Anonymous   Australian Coast Defences  . . . . . . . 143--144
                      Anonymous   Industrial Art. --- Some Thoughts for
                                  the Centennial . . . . . . . . . . . . . 144--144
                      Anonymous   A Railroad Across the Eastern Continent  144--144
                      Anonymous   The Education of Crows . . . . . . . . . 144--145
                      Anonymous   The Centennial Bill Passed . . . . . . . 145--145
                      Anonymous   The Collapse of the Sheffield American
                                  Steel Rail Trade . . . . . . . . . . . . 145--145
             P. H. Vander Weyde   The Invention of the Telephone . . . . . 145--145
                      Anonymous   Improved Construction of Conservatories  146--146
                      Anonymous   Wasps  . . . . . . . . . . . . . . . . . 146--146
                      Anonymous   A New Centrifugal Filter . . . . . . . . 147--147
                      Anonymous   Portable Crane for Locomotive Works  . . 147--148
                  William Falke   New Phosphides of Silver, and a Method
                                  of Estimating Silver Quantitatively by
                                  Means of Phosphorus  . . . . . . . . . . 148--149
                      Anonymous   Improved Hay Tedder  . . . . . . . . . . 150--150
                      Anonymous   A New Registering Pluviometer  . . . . . 150--150
                      Anonymous   Rock-Drilling by Hand Power  . . . . . . 150--150
                      Anonymous   The \em Chromis Paterfamilias  . . . . . 151--152
                      Anonymous   Medical and Philosophical Instruments    152--153
                      Anonymous   Decisions of the Courts  . . . . . . . . 153--153
                      Anonymous   Recent American and Foreign Patents  . . 153--153
                      Anonymous   New Agricultural Inventions  . . . . . . 153--153
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 153--153
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 153--153
                      Anonymous   New Household Articles . . . . . . . . . 153--153
                      Anonymous   Communications Received  . . . . . . . . 155--155
                      Anonymous   Canadian Patents . . . . . . . . . . . . 156--156

Scientific American
Volume 34, Number 11, March 11, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 164--164
                      Anonymous   Books: New Books and Publications  . . . 168--169
                      Anonymous   Business and Personal  . . . . . . . . . 170--170
                      Anonymous   Notes and Queries  . . . . . . . . . . . 170--171
                      Anonymous   Index of Inventions  . . . . . . . . . . 171--172
                      Anonymous   A New Source of Power --- Absorbent
                                  Strata . . . . . . . . . . . . . . . . . 159--159
                      Anonymous   The Coming Emperor . . . . . . . . . . . 160--160
                      Anonymous   The Father of Waters . . . . . . . . . . 160--160
                      Anonymous   Some Annals of a Successful Invention    160--161
                      Anonymous   Cylinder Condensation  . . . . . . . . . 161--161
                      Anonymous   Patent Rights vs. State Rights . . . . . 161--161
                      Anonymous   The St. Charles Railroad Bridge, Mo  . . 162--162
                      Anonymous   The Twin Channel Steamer Castalia  . . . 163--163
                      Anonymous   Improved Method of Covering Steam
                                  Boilers, Etc . . . . . . . . . . . . . . 163--163
                  William Falke   New Phosphides of Silver, and a Method
                                  of Estimating Silver Quantitativelt by
                                  Means of Phosphorus  . . . . . . . . . . 164--164
                      Anonymous   Astronomical Notes . . . . . . . . . . . 164--165
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 165--165
                      Anonymous   Patent Gear-Cutting Attachment for
                                  Lathes . . . . . . . . . . . . . . . . . 166--166
                      Anonymous   Smith's Flour and Meal Chest . . . . . . 166--166
                      Anonymous   Cornell's Improved Lifting Jack  . . . . 166--166
                      Anonymous   Steller's Improved Sash Holder . . . . . 166--166
                      Anonymous   Haeckel on the Human Pedigree  . . . . . 167--168
                      Anonymous   Decisions of the Courts  . . . . . . . . 168--168
                      Anonymous   Recent American and Foreign Patent . . . 169--169
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 169--169
                      Anonymous   New Household Articles . . . . . . . . . 169--169
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 169--169
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 169--169
                      Anonymous   Communications Received  . . . . . . . . 171--171

Scientific American
Volume 34, Number 12, March 18, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 180--180
                      Anonymous   Books: New Books and Publications  . . . 185--185
                      Anonymous   Business and Personal  . . . . . . . . . 186--186
                      Anonymous   Notes and Queries  . . . . . . . . . . . 186--187
                      Anonymous   Index of Inventions  . . . . . . . . . . 187--188
                      Anonymous   Improved Machine for Polishing Moldings
                                  and Surfaces . . . . . . . . . . . . . . 175--175
                      Anonymous   The \booktitleScientific American
                                  Supplement . . . . . . . . . . . . . . . 176--176
                      Anonymous   Mind in Plants . . . . . . . . . . . . . 176--176
                      Anonymous   Fire Extinguisher Trials . . . . . . . . 176--176
                      Anonymous   The United States Metal-Testing Board    176--177
             P. H. Vander Weyde   Artificial Ice Manufacture . . . . . . . 177--177
                      Anonymous   Scientific and Practical Information . . 177--177
                      Anonymous   Improved Cloth-Folding Machine . . . . . 178--178
                      Anonymous   Distilling Stearin . . . . . . . . . . . 179--179
                      Anonymous   Improved Scroll or Reciprocating Saw . . 179--180
                      Anonymous   Improved Head Muff . . . . . . . . . . . 180--181
                      Anonymous   Production of Light from Mechanical
                                  Force  . . . . . . . . . . . . . . . . . 181--181
                      Anonymous   New Mode of Docking Vessels  . . . . . . 182--182
                      Anonymous   Improved Apparatus for Testing:
                                  Illuminating Oils  . . . . . . . . . . . 182--182
                      Anonymous   Bedell's Rapid Transit Wrench  . . . . . 182--183
                      Anonymous   The Owl Parrot . . . . . . . . . . . . . 183--183
                      Anonymous   The Opium Poppy  . . . . . . . . . . . . 183--183
                      Anonymous   Files, Fuses, and Low Water Alarms . . . 184--184
                      Anonymous   Decisions of the Courts  . . . . . . . . 184--185
                      Anonymous   Recent American and Foreign Patents  . . 185--185
                      Anonymous   New Agricultural Inventions  . . . . . . 185--185
                      Anonymous   Communications Received  . . . . . . . . 187--187

Scientific American
Volume 34, Number 13, March 25, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 196--196
                      Anonymous   Business and Personal  . . . . . . . . . 202--202
                      Anonymous   Notes and Queries  . . . . . . . . . . . 202--203
                      Anonymous   Index of Inventions  . . . . . . . . . . 204--204
                      Anonymous   Multiple Drilling Machine  . . . . . . . 191--191
                      Anonymous   The Oera Linda Letters and Figures . . . 192--192
                      Anonymous   Work and Wages in New York City  . . . . 192--193
                      Anonymous   The Draining of the Zuyder Zee . . . . . 193--193
                      Anonymous   Another Obnoxious Postal Law . . . . . . 193--193
                      Anonymous   To Our Subscribers . . . . . . . . . . . 193--193
                      Anonymous   Defeat of the Sewing Machine Monopoly in
                                  Congress . . . . . . . . . . . . . . . . 193--193
                      Anonymous   The Aqueduct of La Vanne . . . . . . . . 194--194
                      Anonymous   Improved Watchmaker's Lathe  . . . . . . 194--194
                      Anonymous   Magneto-Electric Machines  . . . . . . . 195--196
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 197--197
                      Anonymous   Improved Millstone . . . . . . . . . . . 198--198
                      Anonymous   Improved Faucet and Vent . . . . . . . . 198--198
                      Anonymous   Cleopatra's Needles  . . . . . . . . . . 199--200
                      Anonymous   Decisions of the Courts  . . . . . . . . 200--200
                      Anonymous   Recent American and Foreign Patents  . . 200--201
                      Anonymous   New Agricultural Inventions  . . . . . . 201--201
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 201--201
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 201--201
                      Anonymous   New Household Articles . . . . . . . . . 201--201
                      Anonymous   Communications Received  . . . . . . . . 203--204

Scientific American
Volume 34, Number 14, April 1, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 212--212
                      Anonymous   Business and Personal  . . . . . . . . . 218--218
                      Anonymous   Notes and Queries  . . . . . . . . . . . 218--219
                      Anonymous   Index of Inventions  . . . . . . . . . . 219--220
                      Anonymous   Rapid Transit in New York  . . . . . . . 207--207
                      Anonymous   Milking Cows . . . . . . . . . . . . . . 208--208
                      Anonymous   A Bit of Ancient Travel  . . . . . . . . 208--208
                      Anonymous   The Naval Engineer Corps . . . . . . . . 208--208
                      Anonymous   The Science of Currency  . . . . . . . . 208--208
                      Anonymous   Milk and Its Adulteration  . . . . . . . 208--209
                      Anonymous   To the Friends and Patrons of the
                                  \booktitleScientific American  . . . . . 209--209
                      Anonymous   The Father of Waters . . . . . . . . . . 209--209
                      Anonymous   Improved Universal Emery Grinder . . . . 210--210
                      Anonymous   Improved Animal Trap . . . . . . . . . . 210--210
                      Anonymous   A New and Useful Architectural Work  . . 211--211
                      Anonymous   Markrud's Wagon Brake  . . . . . . . . . 211--211
                      Anonymous   The Stockwell Self-Lighting Gas Burner   211--211
                       A. Ricco   The Chromostroboscope  . . . . . . . . . 212--212
                       A. Ricco   Singular Electrical Experiments  . . . . 212--213
                      Anonymous   Improved Incubator . . . . . . . . . . . 213--213
                      Anonymous   Decisions of the Courts  . . . . . . . . 216--217
                      Anonymous   Recent American and Foreign Patents  . . 217--217
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 217--217
                      Anonymous   Communications Received  . . . . . . . . 219--219

Scientific American
Volume 34, Number 15, April 8, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 228--228
                      Anonymous   Business and Personal  . . . . . . . . . 234--234
                      Anonymous   Notes and Queries  . . . . . . . . . . . 234--235
                      Anonymous   Index of Inventions  . . . . . . . . . . 235--236
                      Anonymous   A Semi-Rotary Engine . . . . . . . . . . 223--223
                      Anonymous   Improved Controlling Nozzle  . . . . . . 223--223
                      Anonymous   The Centennial Exposition as an Element
                                  in the Development of Our Manufacturing
                                  Interests  . . . . . . . . . . . . . . . 224--224
                      Anonymous   Bad Ventilation at the Capitol . . . . . 224--224
                      Anonymous   African Rubber . . . . . . . . . . . . . 224--224
                      Anonymous   A Copper-Bearing Bird  . . . . . . . . . 224--225
                      Anonymous   The Cost of Moths and Mildew . . . . . . 225--225
                      Anonymous   The Power of Boilers . . . . . . . . . . 225--225
                      Anonymous   The Pay of the Patent Bureau . . . . . . 225--225
                      Anonymous   A Portable Hydraulic Riveting Machine    226--226
                      Anonymous   The Manufacture of Anthracene  . . . . . 226--226
                      Anonymous   The Cattle of Thelemark, Norway  . . . . 227--227
                      Anonymous   Self-Closing Closet Lid and
                                  Anti-Nuisance Closet . . . . . . . . . . 227--227
                      Anonymous   A New Garden Pump  . . . . . . . . . . . 227--227
             P. H. Vander Weyde   Artificial Ice . . . . . . . . . . . . . 228--229
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 229--229
                      Anonymous   Progress of the Centennial Exhibition    229--229
                      Anonymous   Improved Wall Paper Trimmer  . . . . . . 230--230
                      Anonymous   Weston's Lightning Rod Discharging Point 230--230
                      Anonymous   Riggs' Method of Mending Cracked Bells   230--230
                      Anonymous   New Automatic Grease Cup . . . . . . . . 230--230
                      Anonymous   Animal Ferocity  . . . . . . . . . . . . 231--231
                      Anonymous   Astronomical Notes . . . . . . . . . . . 232--232
                      Anonymous   Fire Apparatus Fog Alarms and Cork
                                  Machinery  . . . . . . . . . . . . . . . 232--232
                      Anonymous   Decisions of the Courts  . . . . . . . . 232--233
                      Anonymous   Recent American and Foreign Patents  . . 233--233
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 233--233
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 233--233
                      Anonymous   New Agricultural Inventions  . . . . . . 233--233
                      Anonymous   New Household Articles . . . . . . . . . 233--233
                      Anonymous   Communications Received  . . . . . . . . 235--235

Scientific American
Volume 34, Number 16, April 15, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 244--244
                      Anonymous   Books: New Books and Publications  . . . 248--248
                      Anonymous   Business and Personal  . . . . . . . . . 250--250
                      Anonymous   Notes and Queries  . . . . . . . . . . . 250--251
                      Anonymous   Index of Inventions  . . . . . . . . . . 251--252
                      Anonymous   A Locomotive Magneto-Electric Induction
                                  Engine . . . . . . . . . . . . . . . . . 239--239
                      Anonymous   The \booktitleScientific American
                                  Supplement . . . . . . . . . . . . . . . 240--240
                      Anonymous   Fluosilicic Acid in the Arts . . . . . . 240--240
                      Anonymous   The Baobab as a Fiber Plant  . . . . . . 240--240
                      Anonymous   The Secrets of Making Vienna Bread . . . 240--241
                      Anonymous   The Utilizations of Mica . . . . . . . . 241--241
                      Anonymous   The International Exhibition of 1876 ---
                                  Progress of the Machinery Department . . 241--241
                      Anonymous   Improved Feed Water Heater . . . . . . . 242--242
                      Anonymous   Horse Power Pump . . . . . . . . . . . . 243--243
                      Anonymous   Improved Kitchen Furniture . . . . . . . 243--243
                      Anonymous   The Magnetic Spectrum  . . . . . . . . . 244--244
                      Anonymous   A New Lecture Experiment . . . . . . . . 244--244
                 John. C. Deane   Simple Form of the Gyroscope . . . . . . 244--244
                      Anonymous   How the Earth is Weighed and Measured    245--245
                      Anonymous   Testing Boilers  . . . . . . . . . . . . 246--246
                      Anonymous   Atkinson's Improved Desk . . . . . . . . 246--246
                      Anonymous   Improved Mucilage Bottle . . . . . . . . 246--246
                      Anonymous   New Fusible Boiler Plug  . . . . . . . . 246--246
                      Anonymous   An Ornamental Gourd  . . . . . . . . . . 247--247
                      Anonymous   \em Acalypha Marginata . . . . . . . . . 247--248
                      Anonymous   Scientific and Practical Information . . 248--248
                      Anonymous   The National Steel Tube Cleaner  . . . . 248--248
                      Anonymous   Recent American and Foreign Patents  . . 248--249
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 249--249
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 249--249
                      Anonymous   New Agricultural Inventions  . . . . . . 249--249
                      Anonymous   New Household Articles . . . . . . . . . 249--249
                      Anonymous   Communications Received  . . . . . . . . 251--251

Scientific American
Volume 34, Number 17, April 22, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 260--260
                      Anonymous   Business and Personal  . . . . . . . . . 266--266
                      Anonymous   Notes and Queries  . . . . . . . . . . . 266--267
                      Anonymous   Index of Inventions  . . . . . . . . . . 267--268
                      Anonymous   The Little Monitor Sewing Machine  . . . 255--255
                      Anonymous   The \booktitleScientific American
                                  Supplement . . . . . . . . . . . . . . . 256--256
                      Anonymous   A Woman's Work for Science . . . . . . . 256--256
                      Anonymous   The Patent Office Appropriation  . . . . 256--256
                      Anonymous   Street Telegraph Lines . . . . . . . . . 256--257
                      Anonymous   Free Passes at the Centennial  . . . . . 257--257
                      Anonymous   The Practical Uses of the Spectroscope   257--257
                      Anonymous   The Industrial Uses of Asbestos  . . . . 258--258
                      Anonymous   Improved Leather and Cloth Enameling
                                  Machine  . . . . . . . . . . . . . . . . 259--259
                      Anonymous   Improved Process of Capsuling
                                  Medicaments  . . . . . . . . . . . . . . 259--259
                      Anonymous   Improved Electro-Magnetic Dental Engine  259--259
                      Anonymous   New Process of Preserving Wood . . . . . 259--260
                 F. L. Bartlett   Estimating the Value of Bone Black . . . 260--260
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 261--261
                      Anonymous   Improved Grain Cleaner . . . . . . . . . 262--262
                      Anonymous   Miller's Improved Hose Carriage  . . . . 262--262
                      Anonymous   Improved Method of Obtaining Water . . . 262--262
                      Anonymous   The Red Fire Fish  . . . . . . . . . . . 263--263
                      Anonymous   The Filamentous: Gurnard . . . . . . . . 263--264
                      Anonymous   The Horticultural Hall at the Centennial
                                  Exhibition . . . . . . . . . . . . . . . 264--264
                      Anonymous   Recent American and Foreign Patents  . . 264--265
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 265--265
                      Anonymous   New Agricultural Inventions  . . . . . . 265--265
                      Anonymous   New Household Articles . . . . . . . . . 265--265
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 265--265
                      Anonymous   Communications Received  . . . . . . . . 267--267

Scientific American
Volume 34, Number 18, April 29, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 276--276
                      Anonymous   Books: New Books and Publications  . . . 280--280
                      Anonymous   Business and Personal  . . . . . . . . . 282--282
                      Anonymous   Notes and Queries  . . . . . . . . . . . 282--283
                      Anonymous   Index of Inventions  . . . . . . . . . . 283--284
                      Anonymous   A New Bridge in Philadelphia . . . . . . 271--271
                      Anonymous   Laundry Blue . . . . . . . . . . . . . . 272--272
                      Anonymous   The Practical Effects of Physical Strain 272--272
                      Anonymous   The Validity of Patents  . . . . . . . . 272--272
                      Anonymous   What They Say about Us . . . . . . . . . 272--273
                      Anonymous   Death of the Millionaire Merchant  . . . 273--273
                      Anonymous   Animal Parasites . . . . . . . . . . . . 273--273
                      Anonymous   Scientific and Practical Information . . 273--273
                      Anonymous   Improved Window Screen . . . . . . . . . 274--274
                      Anonymous   Improved Oil can Nozzle  . . . . . . . . 274--274
                      Anonymous   Atchison's Engraving and Chasing Machine 274--274
                      Anonymous   Vibert's Improved Lifting Jack . . . . . 274--274
                      Anonymous   Improved Adjustable Pipe Tongs . . . . . 274--274
                      Anonymous   Broken Stone Road-Making --- Blake's
                                  Crusher  . . . . . . . . . . . . . . . . 275--275
                      Anonymous   Engines and Lightning Rods . . . . . . . 277--277
                      Anonymous   Improved Method of Propelling Canal
                                  Boats  . . . . . . . . . . . . . . . . . 278--278
                      Anonymous   Improved Flood Gate  . . . . . . . . . . 278--278
                      Anonymous   A Chinese Scientific Journal . . . . . . 279--279
                      Anonymous   Decisions of the Courts  . . . . . . . . 280--280
                      Anonymous   Recent American and Foreign Patents  . . 280--281
                      Anonymous   New Agricultural Inventions  . . . . . . 281--281
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 281--281
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 281--281
                      Anonymous   Communications Received  . . . . . . . . 283--283

Scientific American
Volume 34, Number 19, May 6, 1876

                      Anonymous   Business and Personal  . . . . . . . . . 298--298
                      Anonymous   Notes and Queries  . . . . . . . . . . . 298--299
                      Anonymous   Index of Inventions  . . . . . . . . . . 300--300
                      Anonymous   Improved Automatic Small Steam Engines   287--287
                      Anonymous   The \booktitleScientific American
                                  Supplement . . . . . . . . . . . . . . . 288--288
                      Anonymous   Darwin on Consanguineous Marriages . . . 288--288
                      Anonymous   An Energetic Emperor . . . . . . . . . . 288--289
                      Anonymous   Self-Improvement . . . . . . . . . . . . 289--289
                      Anonymous   The Great Suspension Bridge Between New
                                  York and Brooklyn  . . . . . . . . . . . 289--289
                      Anonymous   Opening of a Remarkable Railway in
                                  London . . . . . . . . . . . . . . . . . 289--289
                      Anonymous   Artificial Eyes Made Sensitive to Light  289--289
                      Anonymous   The Woodbury Planer War  . . . . . . . . 289--289
                      Anonymous   The Loughbridge Air Brake  . . . . . . . 289--289
                      Anonymous   Remarkable Ocean Steaming  . . . . . . . 289--289
                      Anonymous   Improved Toy Pistol --- Mechanical
                                  Marble Playing . . . . . . . . . . . . . 291--291
                      Anonymous   Heer's Driving Pulley  . . . . . . . . . 291--291
                      Anonymous   Haptonstall's Diamond File . . . . . . . 291--291
                      Anonymous   Nash's Life-Preserving Stool . . . . . . 291--291
                      Anonymous   Backus' Improved Oil Can . . . . . . . . 291--291
                      Anonymous   The Coral Islands. --- Their Nature,
                                  Growth, and Geographical Distribution    292--292
                      Anonymous   The National Academy of Sciences . . . . 292--292
                      Anonymous   Astronomical Notes . . . . . . . . . . . 292--292
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 293--293
                      Anonymous   Improved Keg and Barrel Machinery  . . . 294--296
                      Anonymous   Decisions of the Courts  . . . . . . . . 296--296
                      Anonymous   Recent American and Foreign Patents  . . 297--297
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 297--297
                      Anonymous   New Household Articles . . . . . . . . . 297--297
                      Anonymous   New Agricultural Inventions  . . . . . . 297--297
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 297--297
                      Anonymous   Communications Received  . . . . . . . . 299--299

Scientific American
Volume 34, Number 20, May 13, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 308--308
                      Anonymous   Business and Personal  . . . . . . . . . 315--315
                      Anonymous   Notes and Queries  . . . . . . . . . . . 315--315
                      Anonymous   Index of Inventions  . . . . . . . . . . 315--316
                      Anonymous   The Brayton Ready Motor or Hydrocarbon
                                  Engine . . . . . . . . . . . . . . . . . 303--303
                      Anonymous   A Centennial Number  . . . . . . . . . . 304--304
                      Anonymous   Silver and Gold Money  . . . . . . . . . 304--304
                      Anonymous   La Grande Chartreuse . . . . . . . . . . 304--304
                      Anonymous   Worry and Its Physical Effects . . . . . 304--305
                      Anonymous   The Apparent Size of the Moon at the
                                  Horizon  . . . . . . . . . . . . . . . . 305--305
                      Anonymous   Progress of the Centennial . . . . . . . 305--305
                      Anonymous   Improved Automatic Tank Filler . . . . . 306--306
                      Anonymous   A Simple Flower Vase . . . . . . . . . . 306--306
                      Anonymous   Improved Machine for Straightening Metal
                                  Bars . . . . . . . . . . . . . . . . . . 306--306
                      Anonymous   Improved Keg and Barrel Machinery  . . . 307--307
                      Anonymous   Scientific and Practical Information . . 307--308
                      Anonymous   The Moon . . . . . . . . . . . . . . . . 308--309
                      Anonymous   Improved Railway Switch Signal . . . . . 310--310
                      Anonymous   Shephard's Improved Churn  . . . . . . . 310--310
                      Anonymous   The Benton Patent Copper Float . . . . . 310--310
                      Anonymous   The Cone-Berried Solanum . . . . . . . . 311--311
                      Anonymous   Two Beautiful Yuccas . . . . . . . . . . 311--311
                      Anonymous   A New Form of Fernery  . . . . . . . . . 311--312
                      Anonymous   Agricultural Machinery . . . . . . . . . 312--313
                      Anonymous   Recent American and Foreign Patents  . . 313--313
                      Anonymous   New Household Articles . . . . . . . . . 313--313
                      Anonymous   New Textile Machinery  . . . . . . . . . 313--313
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 314--314
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 314--314
                      Anonymous   New Agricultural Inventions  . . . . . . 314--314
                      Anonymous   Communications Received  . . . . . . . . 315--315

Scientific American
Volume 34, Number 21, May 20, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 324--325
                      Anonymous   Business and Personal  . . . . . . . . . 331--331
                      Anonymous   Notes and Queries  . . . . . . . . . . . 331--332
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 333--333
                      Anonymous   The Centennial International Exhibition  319--319
                      Anonymous   The \booktitleScientific American
                                  Supplement . . . . . . . . . . . . . . . 320--320
                      Anonymous   American Progress --- I --- from 1776 to
                                  1820 . . . . . . . . . . . . . . . . . . 320--321
                      Anonymous   The Grasshopper Scourge of 1876  . . . . 321--321
                      Anonymous   Fire Insurance . . . . . . . . . . . . . 321--321
                      Anonymous   Progress at the Centennial . . . . . . . 321--321
                      Anonymous   The Centennial Exhibition --- The State
                                  Buildings  . . . . . . . . . . . . . . . 322--324
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 325--325
                      Anonymous   The Centennial Buildings --- The
                                  Industrial Pavilions . . . . . . . . . . 326--328
                      Anonymous   The Di Cesnola Collection  . . . . . . . 328--329
                      Anonymous   Scientific and Practical Information . . 329--329
                      Anonymous   Decisions of the Courts  . . . . . . . . 329--329
                      Anonymous   Recent American and Foreign Patents  . . 330--330
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 330--330
                      Anonymous   New Household Articles . . . . . . . . . 330--330
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 330--330
                      Anonymous   New Textile Machinery  . . . . . . . . . 330--330
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 330--330
                      Anonymous   Communications Received  . . . . . . . . 332--332

Scientific American
Volume 34, Number 22, May 27, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 340--340
                      Anonymous   Books: New Books and Publications  . . . 344--344
                      Anonymous   Business and Personal  . . . . . . . . . 346--346
                      Anonymous   Notes and Queries  . . . . . . . . . . . 346--348
                      Anonymous   Index of Inventions  . . . . . . . . . . 348--348
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 349--349
                      Anonymous   The Allen Governor . . . . . . . . . . . 335--335
                      Anonymous   American Progress --- II --- from 1820
                                  to 1840  . . . . . . . . . . . . . . . . 336--337
                      Anonymous   Reclaiming the Steppes . . . . . . . . . 337--337
                      Anonymous   French Artisans at the Centennial  . . . 337--337
                      Anonymous   The Opening of the Centennial  . . . . . 337--337
                      Anonymous   The Centennial International Exhibition  338--339
                      Anonymous   New York Academy of Sciences . . . . . . 339--339
                      Anonymous   Setting Engine Guide Bars  . . . . . . . 340--340
                      Anonymous   Nitroglycerin  . . . . . . . . . . . . . 341--341
                      Anonymous   Improved Middlings Separator . . . . . . 342--342
                      Anonymous   Improved Steam Riveter . . . . . . . . . 342--342
                      Anonymous   Improved Spoke-Setting Machine . . . . . 343--343
                      Anonymous   Improved Rowing Gear . . . . . . . . . . 343--343
                      Anonymous   White's Improved Washtub Stand . . . . . 343--344
                      Anonymous   Decisions of the Courts  . . . . . . . . 344--344
                      Anonymous   Recent American and Foreign Patents  . . 345--345
                      Anonymous   New Textile Machinery  . . . . . . . . . 345--345
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 345--345
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 345--345
                      Anonymous   New Household Articles . . . . . . . . . 345--345
                      Anonymous   New Agricultural Inventions  . . . . . . 345--345
                      Anonymous   Communications Received  . . . . . . . . 348--348

Scientific American
Volume 34, Number 23, June 3, 1876

                      Anonymous   Books: New Books and Publications  . . . 362--362
                      Anonymous   Business and Personal  . . . . . . . . . 363--363
                      Anonymous   Notes and Queries  . . . . . . . . . . . 363--364
                      Anonymous   Index of Inventions  . . . . . . . . . . 364--364
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 366--366
                      Anonymous   The Centennial Exhibition. --- The Great
                                  Corliss Engines  . . . . . . . . . . . . 351--351
                      Anonymous   American Progress --- III. --- from 1840
                                  to the Present Time  . . . . . . . . . . 352--353
                      Anonymous   The Present Condition of the Centennial  353--353
                      Anonymous   The Spanish Centennial Building  . . . . 354--354
                      Anonymous   The Centennial Buildings. --- The New
                                  Jersey Buildings and the Women's
                                  Pavilion . . . . . . . . . . . . . . . . 354--354
                      Anonymous   Muntz's Tannin-Testing Apparatus . . . . 355--355
                      Anonymous   Stephenson's Horseshoe and Swage . . . . 355--355
                      Anonymous   Collins' Dough Cutter  . . . . . . . . . 355--355
                      Anonymous   Collins' Door Check  . . . . . . . . . . 355--355
                      Anonymous   Calculating the Speed of Wheels,
                                  Pulleys, Etc . . . . . . . . . . . . . . 356--356
                      Anonymous   Scientific and Practical Information . . 356--356
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 357--357
                      Anonymous   Improved Water Wheel . . . . . . . . . . 358--358
                      Anonymous   Improved Cotton Stalk Puller . . . . . . 358--358
                      Anonymous   A Fish that Fishes . . . . . . . . . . . 359--359
                      Anonymous   The Work of the United States Fish
                                  Commission . . . . . . . . . . . . . . . 359--359
                      Anonymous   Notes on Chemistry . . . . . . . . . . . 360--360
                      Anonymous   Musical Vibrations . . . . . . . . . . . 360--360
                      Anonymous   Geometrical Chemistry. --- Remarkable
                                  Discovery by Professor Henry Wurtz . . . 361--362
                      Anonymous   Recent American and Foreign Patents  . . 362--362
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 362--362
                      Anonymous   New Household Articles . . . . . . . . . 362--362
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 362--362
                      Anonymous   New Agricultural Inventions  . . . . . . 362--362
                      Anonymous   Communications Received  . . . . . . . . 364--364

Scientific American
Volume 34, Number 24, June 10, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 372--372
                      Anonymous   Business and Personal  . . . . . . . . . 379--379
                      Anonymous   Notes and Queries  . . . . . . . . . . . 379--380
                      Anonymous   Index of Inventions  . . . . . . . . . . 380--380
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 382--382
                      Anonymous   New System of Illumination by Reflection 367--367
                      Anonymous   Spontaneous Combustion . . . . . . . . . 368--368
                      Anonymous   What is Bad Water? . . . . . . . . . . . 368--368
                      Anonymous   A Social Peril . . . . . . . . . . . . . 368--369
                      Anonymous   Suggestions for Young Master Mechanics   369--369
                      Anonymous   Drugging Horses  . . . . . . . . . . . . 369--369
                      Anonymous   The Keely Motor Deception Again  . . . . 369--369
                      Anonymous   The Centennial Exposition  . . . . . . . 371--371
                      Anonymous   Clark's Combined Gas and Oil Chandelier  371--371
                      Anonymous   Moll & Altheide's Improved Air Pump . . . 371--371
                      Anonymous   Astronomical Notes . . . . . . . . . . . 372--372
                      Anonymous   The Scertain the Proper Length of a
                                  Connecting Rod . . . . . . . . . . . . . 373--373
                      Anonymous   Improved Turbine Wheel . . . . . . . . . 374--374
                      Anonymous   Improved Balanced Slide Valve  . . . . . 374--374
                      Anonymous   Tea and Tea Culture  . . . . . . . . . . 375--376
                Malvern W. Iles   New Method for the Detection of Nickel
                                  in the Presence of Cobalt  . . . . . . . 376--377
                      Anonymous   An Old Problem . . . . . . . . . . . . . 377--377
                      Anonymous   Recent American and Foreign Patents  . . 378--378
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 378--378
                      Anonymous   New Household Inventions . . . . . . . . 378--378
                      Anonymous   New Agricultural Inventions  . . . . . . 378--378
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 378--378
                      Anonymous   Communications Received  . . . . . . . . 380--380

Scientific American
Volume 34, Number 25, June 17, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 388--388
                      Anonymous   Books: New Books and Publications  . . . 393--393
                      Anonymous   Business and Personal  . . . . . . . . . 395--395
                      Anonymous   Notes and Queries  . . . . . . . . . . . 395--395
                      Anonymous   Index of Inventions  . . . . . . . . . . 396--396
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 398--398
                      Anonymous   The Lammergeyer or Bearded Vulture . . . 383--383
                      Anonymous   Darwin's Theory of Pangenesis  . . . . . 384--384
                      Anonymous   Another Dastardly Attack?  . . . . . . . 384--384
                      Anonymous   Vortex Atoms . . . . . . . . . . . . . . 385--385
                      Anonymous   The Centennial Exposition  . . . . . . . 385--385
                      Anonymous   Industrial Applications of Carbonic Acid 386--386
                      Anonymous   Improved Country Homes . . . . . . . . . 387--387
                      Anonymous   New Cut-Off Mechanism  . . . . . . . . . 387--388
                      Anonymous   The Corpuscular and Undulatory Theories
                                  of Light --- The Experiments of Crookes
                                  and Pleasonton . . . . . . . . . . . . . 388--388
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 388--389
                      Anonymous   Improved Carving and Paneling Machine    390--390
                      Anonymous   Some New Applications of Metaline  . . . 390--390
                      Anonymous   An Economic Fountain . . . . . . . . . . 390--390
                      Anonymous   New Winter-Flowering Iris  . . . . . . . 391--391
                      Anonymous   Printing Machinery at the Centennial . . 391--391
                      Anonymous   Agricultural Machinery . . . . . . . . . 392--393
                      Anonymous   Decisions of the Courts  . . . . . . . . 393--393
                      Anonymous   Recent American and Foreign Patents  . . 393--393
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 393--394
                      Anonymous   New Agricultural Inventions  . . . . . . 394--394
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 394--394
                      Anonymous   New Textile Machinery  . . . . . . . . . 394--394
                      Anonymous   New Household Articles . . . . . . . . . 394--394
                      Anonymous   Communications Received  . . . . . . . . 395--395

Scientific American
Volume 34, Number 26, June 24, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 404--404
                      Anonymous   Business and Personal  . . . . . . . . . 409--409
                      Anonymous   Notes and Queries  . . . . . . . . . . . 409--409
                      Anonymous   Index of Inventions  . . . . . . . . . . 410--410
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 410--410
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 411--412
                      Anonymous   Crystallized Osmium  . . . . . . . . . . 400--400
                      Anonymous   The End of the Volume  . . . . . . . . . 400--400
                      Anonymous   Inventors Misjudged  . . . . . . . . . . 400--401
                      Anonymous   A Dangerous Neighbor . . . . . . . . . . 401--401
                      Anonymous   The Centennial Exposition  . . . . . . . 401--401
                      Anonymous   Mechanical Horse Grooming  . . . . . . . 402--402
                      Anonymous   Improved Barn Door Fastening . . . . . . 402--402
                      Anonymous   A New Stone Lifter . . . . . . . . . . . 402--402
                      Anonymous   A Simple Kerosene-Testing Device . . . . 402--402
                      Anonymous   New Smoke-Burning Grate  . . . . . . . . 403--403
                      Anonymous   The Plethysmograph . . . . . . . . . . . 403--404
                      Anonymous   The Centennial Horticultural Building    404--404
                      Anonymous   Home-Made Probabilities  . . . . . . . . 404--404
                      Anonymous   Porcelain and Pottery  . . . . . . . . . 405--405
                      Anonymous   Improved Portable Photographic Apparatus 406--406
                      Anonymous   Another Inventor of the Balestrieri
                                  Reflector  . . . . . . . . . . . . . . . 406--406
                      Anonymous   The Contents of a Cod's Stomach  . . . . 407--407
                      Anonymous   The Mygales --- Door Building Spiders    407--408
                      Anonymous   Recent American and Foreign Patent . . . 408--408
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 408--408
                      Anonymous   Communications Received  . . . . . . . . 409--409


Scientific American
Volume 35, Number 1, July 1, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 9--9
                      Anonymous   Books: New Books and Publications  . . . 9--9
                      Anonymous   Business and Personal  . . . . . . . . . 11--11
                      Anonymous   Notes and Queries  . . . . . . . . . . . 11--12
                      Anonymous   Index of Inventions  . . . . . . . . . . 12--12
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 14--14
                      Anonymous   A Singular Collision . . . . . . . . . . 1--1
                      Anonymous   The Gallahue Rotary Engine . . . . . . . 1--1
                      Anonymous   New Investigations on the Earth's Heat   2--2
                      Anonymous   Working Men's Homes. --- Sir Sydney
                                  Waterlow's London Enterprise . . . . . . 2--3
                      Anonymous   The Farmer's Foes  . . . . . . . . . . . 3--3
                      Anonymous   A Misapplied Testimonial . . . . . . . . 3--3
                      Anonymous   The Centennial Exposition  . . . . . . . 3--3
                      Anonymous   Improved Hot Blast Boiler Furnace  . . . 4--4
                      Anonymous   McMillan's Self-Regulating Gas Burner    4--4
                      Anonymous   Scenes at the Centennial . . . . . . . . 4--4
                      Anonymous   A Novel Cultivator . . . . . . . . . . . 4--4
                      Anonymous   Improved Safety Bridge for Railroad Cars 6--6
                      Anonymous   A Novel Device for Sewing on Buttons . . 6--6
                      Anonymous   Almond's Improved Drill Chuck  . . . . . 6--6
                      Anonymous   Nest-Building Fishes . . . . . . . . . . 7--7
                      Anonymous   The Scorpions of Egypt . . . . . . . . . 7--7
                    Joshua Rose   A New Method of Making Surface Plates    8--9
                      Anonymous   Decisions of the Court . . . . . . . . . 9--10
                      Anonymous   Recent American and Foreign Patents  . . 10--10
                      Anonymous   New Household Inventions . . . . . . . . 10--10
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 10--10
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 10--10
                      Anonymous   Communications Received  . . . . . . . . 12--12

Scientific American
Volume 35, Number 2, July 8, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 20--20
                      Anonymous   Books: New Books and Publications  . . . 25--25
                      Anonymous   Business and Personal  . . . . . . . . . 27--27
                      Anonymous   Notes and Queries  . . . . . . . . . . . 27--28
                      Anonymous   Index of Inventions  . . . . . . . . . . 28--28
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 30--30
                      Anonymous   Improves Universal Milling Machine . . . 15--16
                      Anonymous   Practical Applications of the
                                  Spectroscope . . . . . . . . . . . . . . 16--16
                      Anonymous   Why are we Right-Handed? . . . . . . . . 16--17
                      Anonymous   The Patent Drive Well  . . . . . . . . . 17--17
                      Anonymous   Dangerous Architecture . . . . . . . . . 17--17
                      Anonymous   The Centennial Exposition  . . . . . . . 17--17
                      Anonymous   Two New Dental Inventions  . . . . . . . 18--18
                      Anonymous   Apparatus for Setting Metal Axles  . . . 18--18
                      Anonymous   Improved Shaft Coupling  . . . . . . . . 19--19
                      Anonymous   Improved Automatic Signal Buoy . . . . . 19--20
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 21--21
                      Anonymous   Wickersham's Fire Place Arch Bar . . . . 22--22
                      Anonymous   A New Automatic Car Brake  . . . . . . . 22--22
                      Anonymous   Tolman's Improved Lamp Chimney . . . . . 22--22
                      Anonymous   Elliott's Apparatus for Applying Croton
                                  Oil  . . . . . . . . . . . . . . . . . . 22--22
                      Anonymous   Improved Military Telegraph  . . . . . . 23--23
                      Anonymous   New York Academy of Sciences . . . . . . 24--24
                      Anonymous   Astronomical Notes . . . . . . . . . . . 24--25
                      Anonymous   Decisions of the Courts  . . . . . . . . 25--25
                      Anonymous   Recent American and Foreign Patents  . . 25--26
                      Anonymous   New Textile Machinery  . . . . . . . . . 26--26
                      Anonymous   New Agricultural Inventions  . . . . . . 26--26
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 26--26
                      Anonymous   Communications Received  . . . . . . . . 28--28

Scientific American
Volume 35, Number 3, July 15, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 36--36
                      Anonymous   Books: New Books and Publications  . . . 41--41
                      Anonymous   Business and Personal  . . . . . . . . . 43--43
                      Anonymous   Notes and Queries  . . . . . . . . . . . 43--44
                      Anonymous   Index of Inventions  . . . . . . . . . . 44--45
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 46--46
                      Anonymous   Band Re-Sawing Machine . . . . . . . . . 31--31
                      Anonymous   Life without Light . . . . . . . . . . . 32--32
                      Anonymous   The Oracles of Ancient Greece  . . . . . 32--33
                      Anonymous   Cams . . . . . . . . . . . . . . . . . . 33--33
                      Anonymous   Barometric Observations  . . . . . . . . 33--33
                      Anonymous   The Centennial Exposition  . . . . . . . 33--33
                      Anonymous   A New Mechanical Money Box . . . . . . . 34--34
                      Anonymous   Trimming and Punching Roofing Slates . . 34--34
                 Edward Dunmore   Photo-Chemicals  . . . . . . . . . . . . 34--34
                      Anonymous   Improved Wagon Brake . . . . . . . . . . 35--35
                      Anonymous   Improved Railway Rail  . . . . . . . . . 35--36
                      Anonymous   Animal Mechanism . . . . . . . . . . . . 36--36
                    Joshua Rose   Turning Hard Steel with the Aid of
                                  Petroleum as a Lubricant . . . . . . . . 36--37
                 C. F. Brackett   Harmony and Discord with Optical Studies 37--37
                      Anonymous   Improved Pony Planer . . . . . . . . . . 38--38
                      Anonymous   Umbrella Supporter . . . . . . . . . . . 38--38
                      Anonymous   Chaffin's Improved Hay Fork  . . . . . . 38--38
                      Anonymous   Various Species of Ant Lions . . . . . . 39--39
                      Anonymous   Ice Machinery  . . . . . . . . . . . . . 40--41
                      Anonymous   Recent American and Foreign Patents  . . 41--41
                      Anonymous   New Agricultural Inventions  . . . . . . 41--41
                      Anonymous   New Textile Machinery  . . . . . . . . . 41--41
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 41--42
                      Anonymous   New Household Inventions . . . . . . . . 42--42
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 42--42
                      Anonymous   Communications Received  . . . . . . . . 44--44

Scientific American
Volume 35, Number 4, July 22, 1876

                      Anonymous   Business and Personal  . . . . . . . . . 59--59
                      Anonymous   Notes and Queries  . . . . . . . . . . . 59--60
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   Patent Notes: Patent . . . . . . . . . . 62--62
                      Anonymous   The Centennial Exhibition. --- The
                                  Campbell Printing Press  . . . . . . . . 47--47
                      Anonymous   A Sensible Celebration --- What was Done
                                  in New York City . . . . . . . . . . . . 48--48
                      Anonymous   Do Not Get Cool --- Health Hints for the
                                  Season . . . . . . . . . . . . . . . . . 48--49
                      Anonymous   Some Sources of Bad Water  . . . . . . . 49--49
                      Anonymous   The Centennial Exposition  . . . . . . . 49--49
                      Anonymous   Improved Steam Jet Pump  . . . . . . . . 50--50
                      Anonymous   Combined Pocket and Draw Knife . . . . . 50--50
                      Anonymous   New Mechanical Movement  . . . . . . . . 50--50
                      Anonymous   Improved Self-Discharging Coal Hod . . . 51--51
                      Anonymous   Improved Wrench  . . . . . . . . . . . . 51--51
                      Anonymous   Improved Tool for Bending Horseshoes . . 51--51
                      Anonymous   New Method of Molding Cylinders  . . . . 51--51
                      Anonymous   Facts and Figures Concerning the Earth
                                  and its Atmosphere . . . . . . . . . . . 52--52
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 53--53
                      Anonymous   Improved Anvil for Paper Cartridge
                                  Shells . . . . . . . . . . . . . . . . . 53--53
                      Anonymous   Improved Car Box Grinder . . . . . . . . 54--54
                      Anonymous   Improved Saw Gumming Machine . . . . . . 54--54
                      Anonymous   Influence of Chemical Fertilizers on
                                  Potatoes and Grapes  . . . . . . . . . . 55--55
                      Anonymous   Water Plants . . . . . . . . . . . . . . 55--55
                      Anonymous   Multiplying Plants . . . . . . . . . . . 55--55
                      Anonymous   The Optics of Photography  . . . . . . . 56--57
                      Anonymous   Decisions of the Courts  . . . . . . . . 58--58
                      Anonymous   Recent American and Foreign Patents  . . 58--58
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 58--58
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 58--58
                      Anonymous   New Agricultural Inventions  . . . . . . 58--58
                      Anonymous   Communication Received . . . . . . . . . 60--60

Scientific American
Volume 35, Number 5, July 29, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 68--68
                      Anonymous   Business and Personal  . . . . . . . . . 76--76
                      Anonymous   Notes and Queries  . . . . . . . . . . . 76--76
                      Anonymous   Index of Inventions  . . . . . . . . . . 76--77
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 78--78
                      Anonymous   Aerotherapy  . . . . . . . . . . . . . . 63--63
                      Anonymous   The Emperor's Farewell . . . . . . . . . 64--64
                      Anonymous   Heated Terms --- Their Causes and
                                  Dangers  . . . . . . . . . . . . . . . . 64--64
                      Anonymous   Living on Fifteen Dollars a Week . . . . 64--65
                      Anonymous   Poisonous Garments --- A New Hot Weather
                                  Peril  . . . . . . . . . . . . . . . . . 65--65
                      Anonymous   The Obnoxious Postal Law Partially
                                  Repealed . . . . . . . . . . . . . . . . 65--65
                      Anonymous   Optical Inversion --- an External Sense
                                  --- Perception . . . . . . . . . . . . . 65--65
                      Anonymous   Improved Car Brake . . . . . . . . . . . 66--66
                      Anonymous   A New Machine for Securing Bale Wires    66--66
                      Anonymous   A New Electric Railway Signal  . . . . . 66--66
                      Anonymous   A New Scissors Gage  . . . . . . . . . . 66--66
                      Anonymous   Improved Hay Elevator and Carrier  . . . 67--67
                      Anonymous   Hill's Direct-Acting Drop Hammer . . . . 67--67
                      Anonymous   Improved Tube Well . . . . . . . . . . . 67--67
                      Anonymous   A New Electric Battery . . . . . . . . . 67--67
                      Anonymous   Technical Education in the United States
                                  as Illustrated at the Centennial . . . . 68--69
                      Anonymous   Improved Chimney Cowl  . . . . . . . . . 69--69
                      Anonymous   Improved Steam Governor  . . . . . . . . 70--70
                      Anonymous   Improved Hydraulic Anchor Lift . . . . . 70--70
                      Anonymous   The Jaguar or South American Tiger . . . 71--72
                      Anonymous   New York Academy of Sciences . . . . . . 72--72
                      Anonymous   The Industries and Resources of Japan    73--73
                      Anonymous   Decisions of the Courts  . . . . . . . . 73--74
                      Anonymous   Recent American and Foreign Patents  . . 74--74
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 74--74
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 74--74
                      Anonymous   New Household Inventions . . . . . . . . 74--75
                      Anonymous   New Agricultural Inventions  . . . . . . 75--75
                      Anonymous   Communications Received  . . . . . . . . 76--76
                      Anonymous   The Validity of Patents  . . . . . . . . 77--77

Scientific American
Volume 35, Number 6, August 5, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 84--85
                      Anonymous   Books: New Books and Publications  . . . 91--91
                      Anonymous   Business and Personal  . . . . . . . . . 92--92
                      Anonymous   Notes and Queries  . . . . . . . . . . . 92--92
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--92
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 94--94
                      Anonymous   Steam Hand Car --- Miniature Railroad
                                  Train  . . . . . . . . . . . . . . . . . 79--79
                      Anonymous   Workmen and their Instructors  . . . . . 80--80
                      Anonymous   Ancient Grecian Glass  . . . . . . . . . 80--81
                      Anonymous   Mechanical Vibration as a Substitute for
                                  Anæsthetics . . . . . . . . . . . . . . . 81--81
                      Anonymous   Canned Meats Poisoned with Mercury . . . 81--81
                      Anonymous   The Centennial Exposition  . . . . . . . 81--81
                      Anonymous   Compressed Air as a Street Car Motor . . 82--82
                      Anonymous   The Utilization of Petroleum and Natural
                                  Gas in Blast Furnaces  . . . . . . . . . 83--83
                      Anonymous   A New Compound Engine Jack . . . . . . . 83--83
                      Anonymous   Bartlett's Ozone Machine . . . . . . . . 83--83
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 85--85
                      Anonymous   Improved Adding Pencil . . . . . . . . . 86--86
                      Anonymous   Ficht's Improved Lifting Machine . . . . 86--86
                      Anonymous   Improved Check Rein  . . . . . . . . . . 86--86
                      Anonymous   Gas Works on the Kitchen Range . . . . . 86--86
                      Anonymous   Some Well Known British Moths  . . . . . 87--88
                      Anonymous   Chucks, Forms of Iron, and Lubricators   88--89
                      Anonymous   The Industries and Resources of Japan    89--90
                      Anonymous   The Oceanic Circulation Controversy  . . 90--91
                      Anonymous   Recent American and Foreign Patents  . . 91--91
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 91--91
                      Anonymous   New Agricultural Inventions  . . . . . . 91--91
                      Anonymous   New Household Inventions . . . . . . . . 91--91
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 91--91
                      Anonymous   Communications Received  . . . . . . . . 92--92
                      Anonymous   The Validity of Patents  . . . . . . . . 93--93

Scientific American
Volume 35, Number 7, August 12, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 101--101
                      Anonymous   Books: New Books and Publications  . . . 105--106
                      Anonymous   Business and Personal  . . . . . . . . . 107--107
                      Anonymous   Notes and Queries  . . . . . . . . . . . 107--108
                      Anonymous   Index of Inventions  . . . . . . . . . . 108--109
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 110--110
                      Anonymous   New Improvements in the Harris--Corliss
                                  Steam Engine . . . . . . . . . . . . . . 95--95
                      Anonymous   Modern Rowing Races  . . . . . . . . . . 96--96
                      Anonymous   Our Yachts and Yachting  . . . . . . . . 96--96
                      Anonymous   The Ventilation of Railway Cars  . . . . 96--97
                      Anonymous   Timely Kerosene Dangers  . . . . . . . . 97--97
                      Anonymous   The Thunderer Boiler Explosion . . . . . 97--97
                      Anonymous   The Centennial Exposition  . . . . . . . 97--97
                      Anonymous   Improved Fountain Pen  . . . . . . . . . 98--98
                      Anonymous   Mediæval Iron Work  . . . . . . . . . . . 99--99
                      Anonymous   Improved Spanner Wrench  . . . . . . . . 99--99
                      Anonymous   A Simple Rope Clamp  . . . . . . . . . . 99--99
                      Anonymous   A New Insect Powder Gun  . . . . . . . . 99--99
                      Anonymous   Effects of Tide Currents on Harbors  . . 100--101
                      Anonymous   Improved Device for Heating Air for
                                  Furnaces . . . . . . . . . . . . . . . . 102--102
                      Anonymous   Improved Step and Extension Ladder . . . 102--102
                      Anonymous   Improved Speed Governor  . . . . . . . . 102--102
                      Anonymous   Bees and Their Institutions  . . . . . . 103--105
                      Anonymous   Decisions of the Courts  . . . . . . . . 106--106
                      Anonymous   Recent American and Foreign Patents  . . 106--106
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 106--106
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 106--106
                      Anonymous   Communications Received  . . . . . . . . 108--108
                      Anonymous   The Validity of Patents  . . . . . . . . 109--109

Scientific American
Volume 35, Number 8, August 19, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 116--116
                      Anonymous   Business and Personal  . . . . . . . . . 123--123
                      Anonymous   Notes and Queries  . . . . . . . . . . . 123--124
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--125
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 126--126
                      Anonymous   The Hydraulic Annexe at the Centennial
                                  Exposition . . . . . . . . . . . . . . . 111--111
                      Anonymous   Berthelot's New Electro-Chemical
                                  Discoveries  . . . . . . . . . . . . . . 112--112
                      Anonymous   Is the Universe Composed Entirely of
                                  Hydrogen!  . . . . . . . . . . . . . . . 112--112
                      Anonymous   Ocular Color Spectra and Their Causation 112--113
                      Anonymous   A New Theory of Hay Fever  . . . . . . . 113--113
                      Anonymous   Shall We Change Our Weights and
                                  Measures?  . . . . . . . . . . . . . . . 113--113
                      Anonymous   New Gatling Gun  . . . . . . . . . . . . 114--114
                      Anonymous   Improved Split Wheel . . . . . . . . . . 114--114
                      Anonymous   Improved Mortising Machine . . . . . . . 114--114
                      Anonymous   Improvements in Fire Engines . . . . . . 115--115
                      Anonymous   A New Soldering Machine  . . . . . . . . 115--115
               Charles V. Riley   ``Potato Pest Poison'' . . . . . . . . . 116--117
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 117--117
                      Anonymous   Improved Woodworking Machinery . . . . . 118--118
                      Anonymous   Leland's Pipe Coupler  . . . . . . . . . 118--118
                      Anonymous   Two Beautiful Palms  . . . . . . . . . . 119--119
                    C. A. Young   Meteorites . . . . . . . . . . . . . . . 119--120
                      Anonymous   Exhibits of Foreign Technical Schools at
                                  the Centennial . . . . . . . . . . . . . 121--121
                      Anonymous   Recent American and Foreign Patents  . . 121--121
                      Anonymous   New Household Inventions . . . . . . . . 121--122
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 122--122
                      Anonymous   New Agricultural Inventions  . . . . . . 122--122
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 122--122
                      Anonymous   Communications Received  . . . . . . . . 124--124
                      Anonymous   The Validity of Patents  . . . . . . . . 125--125

Scientific American
Volume 35, Number 9, August 26, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 132--132
                      Anonymous   Books: New Books and Publications  . . . 137--137
                      Anonymous   Business and Personal  . . . . . . . . . 139--139
                      Anonymous   Notes and Queries  . . . . . . . . . . . 139--140
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 142--142
                      Anonymous   Improved Hand Fire Engine and Hose
                                  Carriage . . . . . . . . . . . . . . . . 127--127
                      Anonymous   Physical Man in America  . . . . . . . . 128--128
                      Anonymous   Summer Science . . . . . . . . . . . . . 128--128
                      Anonymous   Artificial Guano . . . . . . . . . . . . 128--129
                      Anonymous   The Structure and Age of the Rocky
                                  Mountains  . . . . . . . . . . . . . . . 129--129
                      Anonymous   Incendiary Locomotives . . . . . . . . . 129--129
                      Anonymous   Breech-Loading Firearms  . . . . . . . . 130--130
                      Anonymous   Improved Amalgamating Apparatus  . . . . 131--131
                      Anonymous   New Lampwick Trimmers  . . . . . . . . . 131--131
                      Anonymous   A New Egg Holder . . . . . . . . . . . . 131--132
                      Anonymous   The Development of Speech  . . . . . . . 132--132
                      Anonymous   The First Chinese Railway  . . . . . . . 132--132
                      Anonymous   The Impact of Light  . . . . . . . . . . 132--133
                      Anonymous   New Rail Saw at the Landore Steel Works  134--134
                      Anonymous   A Japanese Flower Basket . . . . . . . . 134--134
                      Anonymous   A Swedish Centennial Exhibit . . . . . . 134--134
                      Anonymous   A Marine Aquarium  . . . . . . . . . . . 135--136
                      Anonymous   Musical Telegraphy in Paris  . . . . . . 136--137
                      Anonymous   Recent American and Foreign Patents  . . 137--137
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 137--137
                      Anonymous   New Agricultural Inventions  . . . . . . 137--137
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 138--138
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 138--138
                      Anonymous   New Textile Machinery  . . . . . . . . . 138--138
                      Anonymous   Communications Received  . . . . . . . . 140--140
                      Anonymous   The Validity of Patents  . . . . . . . . 140--140

Scientific American
Volume 35, Number 10, September 2, 1876

                      Anonymous   Business and Personal  . . . . . . . . . 156--156
                      Anonymous   Notes and Queries  . . . . . . . . . . . 156--156
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--157
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 158--158
                      Anonymous   New Bridge at Pittsburgh, Pa . . . . . . 143--143
                      Anonymous   The Moon's Atmosphere  . . . . . . . . . 144--144
                      Anonymous   The Recent Working Men's Demonstrations  144--144
                      Anonymous   Is Anybody Sane? . . . . . . . . . . . . 145--145
                      Anonymous   How Tall are We? . . . . . . . . . . . . 145--145
                      Anonymous   Improved Dredging Machinery  . . . . . . 146--146
                      Anonymous   Improved Woodworking Machinery . . . . . 147--147
                      Anonymous   Improved Six-Roll Planer, Matcher, and
                                  Bender . . . . . . . . . . . . . . . . . 147--148
                      Anonymous   The Exhibit of Cornell University at the
                                  Centennial . . . . . . . . . . . . . . . 148--148
                      Anonymous   The Facts of the Laws of Gravitation . . 148--149
                      Anonymous   Nickel and Its Preparation . . . . . . . 149--149
                      Anonymous   Scientific Apparatus . . . . . . . . . . 149--149
                      Anonymous   Improved Boat-Lowering Apparatus . . . . 150--150
                      Anonymous   Dueber's Improved Watch Case . . . . . . 150--150
                      Anonymous   Improved Water Motor . . . . . . . . . . 150--150
                      Anonymous   The Weston Dynamo-Electric Machine . . . 150--150
                      Anonymous   Oceanic Birds  . . . . . . . . . . . . . 151--151
                      Anonymous   Breech-Loading Firearms  . . . . . . . . 152--152
                      Anonymous   The Tapayaxin  . . . . . . . . . . . . . 153--153
                      Anonymous   Improved Door Knob . . . . . . . . . . . 153--154
                      Anonymous   Recent American and Foreign Patents  . . 154--155
                      Anonymous   New Household Inventions . . . . . . . . 155--155
                      Anonymous   New Agricultural Inventions  . . . . . . 155--155
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 155--155
                      Anonymous   Communications Received  . . . . . . . . 156--156
                      Anonymous   The Validity of Patents  . . . . . . . . 158--158

Scientific American
Volume 35, Number 11, September 9, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 164--164
                      Anonymous   Business and Personal  . . . . . . . . . 171--171
                      Anonymous   Notes and Queries  . . . . . . . . . . . 171--172
                      Anonymous   Index of Inventions  . . . . . . . . . . 172--172
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 174--174
                      Anonymous   Improved Ditching Machine  . . . . . . . 159--159
                      Anonymous   The Green Fields of the Moon . . . . . . 160--160
                      Anonymous   Workmen and Their Teachers . . . . . . . 160--161
                      Anonymous   Is Rare Beef Dangerous?  . . . . . . . . 161--161
                      Anonymous   The ``Thunderer'' Explosion  . . . . . . 161--161
                      Anonymous   Lightning Rods . . . . . . . . . . . . . 161--161
                      Anonymous   Breech-Loading Firearms  . . . . . . . . 162--162
                      Anonymous   Exhibition Notes . . . . . . . . . . . . 162--162
                      Anonymous   Improved Pipe Cutting and Threading
                                  Machine  . . . . . . . . . . . . . . . . 163--163
                      Anonymous   Improved Sand and Gravel Separator . . . 163--164
                      Anonymous   The Calorimeter of the Massachusetts
                                  Institute of Technology  . . . . . . . . 164--164
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 165--165
                      Anonymous   Improved Clothes Line Fastener . . . . . 166--166
                      Anonymous   Improved Metal-Punching Machine  . . . . 166--166
                      Anonymous   The Radiata  . . . . . . . . . . . . . . 167--167
                      Anonymous   Chemicals at the Centennial  . . . . . . 168--168
                      Anonymous   Boiler Notes . . . . . . . . . . . . . . 168--169
                      Anonymous   Occupation and the Death Rate in England 169--169
                      Anonymous   Recent American and Foreign Patents  . . 169--170
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 170--170
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 170--170
                      Anonymous   New Household Inventions . . . . . . . . 170--170
                      Anonymous   New Textile Machinery  . . . . . . . . . 170--170
                      Anonymous   New Agricultural Inventions  . . . . . . 170--170
                      Anonymous   Communications Received  . . . . . . . . 172--172
                      Anonymous   The Validity of Patents  . . . . . . . . 172--172

Scientific American
Volume 35, Number 12, September 16, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 181--181
                      Anonymous   Books: New Books and Publications  . . . 185--185
                      Anonymous   Business and Personal  . . . . . . . . . 187--187
                      Anonymous   Notes and Queries  . . . . . . . . . . . 187--188
                      Anonymous   Index of Inventions  . . . . . . . . . . 188--188
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 190--190
                      Anonymous   The Great Textile Invention at the
                                  Centennial Exposition --- The Lyall
                                  Positive Motion Loom . . . . . . . . . . 175--175
                      Anonymous   American Contributions to the
                                  Development Theory . . . . . . . . . . . 176--176
                      Anonymous   The Coming Explosion at Hell Gate  . . . 176--176
                      Anonymous   Cheap Coal . . . . . . . . . . . . . . . 176--177
                      Anonymous   The Science of Mechanical Movements  . . 177--177
                      Anonymous   Some New Light on the Origin of the
                                  Truffle  . . . . . . . . . . . . . . . . 177--177
                      Anonymous   Is Brother Jonathan so Very Slim?  . . . 177--177
                      Anonymous   The Detachable Handle Parasol and
                                  Umbrella . . . . . . . . . . . . . . . . 178--178
                      Anonymous   Hangings for Sliding and Swinging Gates  179--179
                      Anonymous   A Marine Safe  . . . . . . . . . . . . . 179--179
                      Anonymous   The Acme Automatic Draft Regulator . . . 179--179
                      Anonymous   The Lidgerwood Rotary Engine at the
                                  Exhibition . . . . . . . . . . . . . . . 182--182
                      Anonymous   Wood's Improved Piston . . . . . . . . . 182--182
                      Anonymous   Bedell's Sewer Gas Trap  . . . . . . . . 182--182
                      Anonymous   Hose Attachment for Faucets  . . . . . . 182--183
                      Anonymous   The Pearly Aloe  . . . . . . . . . . . . 183--183
                      Anonymous   New and Curious Electrical Experiments   184--184
                      Anonymous   Proceedings of the American Association
                                  for the Advancement of Science . . . . . 185--185
                      Anonymous   Recent American and Foreign Patents  . . 185--186
                      Anonymous   New Chemical and Miscellaneous
                                  Inventions . . . . . . . . . . . . . . . 186--186
                      Anonymous   New Household Inventions . . . . . . . . 186--186
                      Anonymous   New Agricultural Inventions  . . . . . . 186--186
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 186--186
                      Anonymous   New Textile Machinery  . . . . . . . . . 186--186
                      Anonymous   Communications Received  . . . . . . . . 188--188
                      Anonymous   The Validity of Patents  . . . . . . . . 188--188

Scientific American
Volume 35, Number 13, September 23, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 196--196
                      Anonymous   Books: New Books and Publications  . . . 201--201
                      Anonymous   Business and Personal  . . . . . . . . . 203--203
                      Anonymous   Notes and Queries  . . . . . . . . . . . 203--204
                      Anonymous   Index of Inventions  . . . . . . . . . . 204--204
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 206--206
                      Anonymous   Improved Stone-Sawing Machinery  . . . . 191--191
                      Anonymous   Two Personalities in One Person  . . . . 192--192
                      Anonymous   Thermo-Diffusion --- A New Physical
                                  Phenomenon . . . . . . . . . . . . . . . 192--193
                      Anonymous   Practical Information for Practical Men  193--193
                      Anonymous   Workmen and Their Instructors  . . . . . 193--193
                      Anonymous   Born Scientists  . . . . . . . . . . . . 193--193
                      Anonymous   Educated Farmers . . . . . . . . . . . . 193--193
                      Anonymous   Improved Apparatus for Lining Insoles of
                                  Boots  . . . . . . . . . . . . . . . . . 194--194
                      Anonymous   Combined Knife and Tape Line . . . . . . 194--194
                      Anonymous   New Combination Tool for Sewing Machines 194--194
                      Anonymous   A New Oil Cup  . . . . . . . . . . . . . 194--194
                      Anonymous   Improved Construction of Stables . . . . 195--195
                      Anonymous   A Paper Egg Cup  . . . . . . . . . . . . 195--195
                      Anonymous   A Simple Dividing Machine  . . . . . . . 195--195
                      Anonymous   New Combination Tool . . . . . . . . . . 195--195
                      Anonymous   Notes on the Resistance of Materials . . 196--196
                      Anonymous   Chemicals at the Centennial  . . . . . . 197--197
                      Anonymous   The American Social Science Association  197--197
                      Anonymous   A New Steam Engine . . . . . . . . . . . 198--198
                      Anonymous   The Original Steam Steering Apparatus    198--199
                      Anonymous   The Honey Buzzard  . . . . . . . . . . . 199--200
                      Anonymous   Chain Gear and Fastenings  . . . . . . . 200--201
                      Anonymous   Recent American and Foreign Patents  . . 201--201
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 201--201
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 202--202
                      Anonymous   New Agricultural Inventions  . . . . . . 202--202
                      Anonymous   New Household Inventions . . . . . . . . 202--202
                      Anonymous   Communications Received  . . . . . . . . 204--204
                      Anonymous   The Validity of Patents  . . . . . . . . 204--204

Scientific American
Volume 35, Number 14, September 30, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 212--212
                      Anonymous   Business and Personal  . . . . . . . . . 219--219
                      Anonymous   Notes and Queries  . . . . . . . . . . . 219--220
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--220
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 222--222
                      Anonymous   The Centennial Exposition. --- The
                                  Center of the Main Building  . . . . . . 207--207
                      Anonymous   Surgery vs Phrenology  . . . . . . . . . 208--209
                      Anonymous   American and English Railways  . . . . . 209--209
                      Anonymous   The Friction of Slide Valves on Their
                                  Seats  . . . . . . . . . . . . . . . . . 209--209
                      Anonymous   An Opportunity for Inventors . . . . . . 209--209
                      Anonymous   The Victor Drill Chuck . . . . . . . . . 210--210
                      Anonymous   Automatic Leather Scourer and Hide
                                  Worker . . . . . . . . . . . . . . . . . 210--210
                      Anonymous   Improved Compound Steam Pump . . . . . . 211--211
                      Anonymous   May's Improved Billiard Table Leveler    211--212
                      Anonymous   The Centennial International Rifle Match 213--213
                      Anonymous   Heating by Steam . . . . . . . . . . . . 213--213
                      Anonymous   Removal of the Hell Gate Rocks . . . . . 214--216
                      Anonymous   Chemicals at the Centennial  . . . . . . 216--217
                      Anonymous   Centennial Notes . . . . . . . . . . . . 217--217
                      Anonymous   Recent American and Foreign Patents  . . 217--218
                      Anonymous   New Agricultural Inventions  . . . . . . 218--218
                      Anonymous   New Miscellaneous Inventions . . . . . . 218--218
                      Anonymous   New Household Inventions . . . . . . . . 218--218
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 218--218
                      Anonymous   Communications Received  . . . . . . . . 220--220
                      Anonymous   The Validity of Patents  . . . . . . . . 220--220

Scientific American
Volume 35, Number 15, October 7, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 228--228
                      Anonymous   Business and Personal  . . . . . . . . . 235--235
                      Anonymous   Notes and Queries  . . . . . . . . . . . 235--236
                      Anonymous   Index of Inventions  . . . . . . . . . . 236--237
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 238--238
                      Anonymous   A Bookbinder's Sewing Machine  . . . . . 223--223
                      Anonymous   Professor Huxley's Lectures in America   224--225
                      Anonymous   A Sermon Preached by the Microscope  . . 225--225
                      Anonymous   The Yellow Fever Epidemic  . . . . . . . 225--225
                      Anonymous   Why Is The Sea Salt? . . . . . . . . . . 225--225
                      Anonymous   The Spontaneous Combustion of Coal at
                                  Sea  . . . . . . . . . . . . . . . . . . 225--225
                      Anonymous   Car Truck Frame Drilling Machine . . . . 226--226
                      Anonymous   A New Gearing  . . . . . . . . . . . . . 226--226
                      Anonymous   Success of the Hell Gate Explosion . . . 226--226
                      Anonymous   Mediæval Ironwork . . . . . . . . . . . . 227--227
                      Anonymous   An Ornithological Ornament . . . . . . . 227--228
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 228--229
                      Anonymous   A New Mechanical Movement  . . . . . . . 230--230
                      Anonymous   Improved Link Block for Locomotives  . . 230--230
                      Anonymous   Improved Stop Valve  . . . . . . . . . . 230--230
                      Anonymous   Vines for Winter Decoration  . . . . . . 231--231
                      Anonymous   Centennial Notes . . . . . . . . . . . . 232--232
                      Anonymous   Rambling Notes . . . . . . . . . . . . . 232--233
                      Anonymous   The Fair of the American Institute . . . 233--233
                      Anonymous   Decisions of the Courts  . . . . . . . . 233--233
                      Anonymous   Decisions of the Commissioner of Patents 233--233
                      Anonymous   Recent American and Foreign Patents  . . 233--234
                      Anonymous   New Household Inventions . . . . . . . . 234--234
                      Anonymous   New Agricultural Inventions  . . . . . . 234--234
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 234--234
                      Anonymous   New Miscellaneous Inventions . . . . . . 234--234
                      Anonymous   Communications Received  . . . . . . . . 236--236
                      Anonymous   The Validity of Patents  . . . . . . . . 237--237

Scientific American
Volume 35, Number 16, October 14, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 244--244
                      Anonymous   Books: New Books and Publications  . . . 250--250
                      Anonymous   Business and Personal  . . . . . . . . . 251--251
                      Anonymous   Notes and Queries  . . . . . . . . . . . 251--251
                      Anonymous   Index of Inventions  . . . . . . . . . . 251--252
                      Anonymous   Trial of Steak Fire Engines at the
                                  Centennial Exhibition  . . . . . . . . . 239--239
                      Anonymous   What is Materialism? . . . . . . . . . . 240--240
                      Anonymous   Infusorial Earth and Its Uses  . . . . . 240--240
                      Anonymous   The Hell Gate Blast  . . . . . . . . . . 240--241
                      Anonymous   The Centennial Awards  . . . . . . . . . 241--241
                      Anonymous   A Cigar Scientifically Dissected . . . . 241--241
                      Anonymous   Improved Building Blocks . . . . . . . . 242--242
                      Anonymous   A Pocket Lung Tester . . . . . . . . . . 242--242
                      Anonymous   A Life-Preserving Cap and Cape . . . . . 242--242
                      Anonymous   Apparatus Used in Industrial Processes   243--244
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 244--245
                      Anonymous   Improved Crosshead for Locomotives . . . 246--246
                      Anonymous   Improved Air Pump  . . . . . . . . . . . 246--246
                      Anonymous   Improved Bucket Ear  . . . . . . . . . . 246--246
                      Anonymous   The Sea Gull . . . . . . . . . . . . . . 247--247
                      Anonymous   Centennial Notes . . . . . . . . . . . . 248--248
                      Anonymous   Rambling Notes . . . . . . . . . . . . . 248--249
                      Anonymous   Glycerin . . . . . . . . . . . . . . . . 249--249
                      Anonymous   Recent American and Foreign Patents  . . 250--250
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 250--250
                      Anonymous   New Household Inventions . . . . . . . . 250--250
                      Anonymous   New Miscellaneous Inventions . . . . . . 250--250
                      Anonymous   New Agricultural Inventions  . . . . . . 250--250
                      Anonymous   Communications Received  . . . . . . . . 251--251
                      Anonymous   Value of Patents . . . . . . . . . . . . 252--252
                      Anonymous   The Validity of Patents  . . . . . . . . 252--252

Scientific American
Volume 35, Number 17, October 21, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 259--260
                      Anonymous   Books: New Books and Publications  . . . 266--267
                      Anonymous   Business and Personal  . . . . . . . . . 268--268
                      Anonymous   Notes and Queries  . . . . . . . . . . . 268--268
                      Anonymous   Index of Inventions  . . . . . . . . . . 268--269
                      Anonymous   A New Light Draft Propeller  . . . . . . 255--255
                      Anonymous   Professor Huxley's Mistake . . . . . . . 256--256
                      Anonymous   The Advantages of Cheap Patents  . . . . 256--257
                      Anonymous   The Spiritual Slate  . . . . . . . . . . 257--257
                      Anonymous   The Inter-Mercurial Planet . . . . . . . 257--257
                      Anonymous   Improved Locomotive and Car Steam Brake  258--258
                      Anonymous   Improved Nail Extractor  . . . . . . . . 258--258
                      Anonymous   A New Fodder Fork  . . . . . . . . . . . 258--258
                      Anonymous   Singular Accident to a Trout . . . . . . 259--259
                 S. W. Robinson   Turbine Water Wheels . . . . . . . . . . 260--260
                      Anonymous   The Black Knot . . . . . . . . . . . . . 260--261
                      Anonymous   The Latest News from the Sun . . . . . . 261--261
                      Anonymous   A Theory of the Ball Puzzle  . . . . . . 262--262
                      Anonymous   The ``Model'' Scroll Saw . . . . . . . . 262--262
                      Anonymous   Rubber Overshoe Making at the Centennial 262--263
                      Anonymous   Seasonal Behavior of Plants  . . . . . . 264--264
                      Anonymous   The Blessings of Gunpowder . . . . . . . 264--264
                      Anonymous   The Processes of Steel Manufacture . . . 265--265
                      Anonymous   The Russian System of Trade Education    265--266
                      Anonymous   The Profitableness of Irrigation . . . . 266--266
                      Anonymous   Comparative Cost of Illumination . . . . 266--266
                      Anonymous   Recent American and Foreign Patents  . . 267--267
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 267--267
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 267--267
                      Anonymous   New Household Inventions . . . . . . . . 267--267
                      Anonymous   New Miscellaneous Inventions . . . . . . 267--267
                      Anonymous   Communications Received  . . . . . . . . 268--268
                      Anonymous   The Validity of Patents  . . . . . . . . 269--269

Scientific American
Volume 35, Number 18, October 28, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 276--276
                      Anonymous   Books: New Books and Publications  . . . 281--281
                      Anonymous   Business and Personal  . . . . . . . . . 283--283
                      Anonymous   Notes and Queries  . . . . . . . . . . . 283--284
                      Anonymous   Index of Inventions  . . . . . . . . . . 284--284
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 286--286
                      Anonymous   Improved Machine for Stringing Tobacco
                                  Leaves . . . . . . . . . . . . . . . . . 271--271
                      Anonymous   Improved Milling Attachment for Lathes   271--271
                      Anonymous   Some Extinct American Animals  . . . . . 272--272
                      Anonymous   Prospect of New German Patent Laws . . . 272--273
                      Anonymous   Progress of the Mississippi River
                                  Jetties  . . . . . . . . . . . . . . . . 273--273
                      Anonymous   Steam Engine Slide Valves  . . . . . . . 273--273
                      Anonymous   More Centennial Awards . . . . . . . . . 273--273
                      Anonymous   Musical Building Blocks  . . . . . . . . 274--274
                      Anonymous   Improved Bale Hoop Tightener . . . . . . 274--274
                      Anonymous   Improved Yarn Reel and Tester  . . . . . 275--275
                      Anonymous   Sample-Weighing Scale  . . . . . . . . . 275--275
                      Anonymous   Patent Gas Heater  . . . . . . . . . . . 275--275
                      Anonymous   Fishhooks, Jetties, and Miscellaneous
                                  Devices  . . . . . . . . . . . . . . . . 275--276
                      Anonymous   A Lesson from the Machine Tools at the
                                  Centennial . . . . . . . . . . . . . . . 276--277
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 277--277
                      Anonymous   Improved Engine Indicator  . . . . . . . 278--278
                      Anonymous   Improved Leveling Rod  . . . . . . . . . 278--278
                      Anonymous   A White-Flowered Bramble . . . . . . . . 279--279
                      Anonymous   The Coca Plant . . . . . . . . . . . . . 279--280
                      Anonymous   Centennial Notes . . . . . . . . . . . . 280--280
                      Anonymous   Carriage Wheels at the Centennial
                                  Exhibition . . . . . . . . . . . . . . . 280--281
                      Anonymous   Notes on the American Institute Fair . . 281--281
                      Anonymous   Recent American and Foreign Patents  . . 281--282
                      Anonymous   New Agricultural Inventions  . . . . . . 282--282
                      Anonymous   New Miscellaneous Inventions . . . . . . 282--282
                      Anonymous   New Household Inventions . . . . . . . . 282--282
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 282--282
                      Anonymous   Communications Received  . . . . . . . . 284--284
                      Anonymous   The Validity of Patents  . . . . . . . . 284--284

Scientific American
Volume 35, Number 19, November 4, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 292--292
                      Anonymous   Business and Personal  . . . . . . . . . 299--299
                      Anonymous   Notes and Queries  . . . . . . . . . . . 299--300
                      Anonymous   Index of Inventions  . . . . . . . . . . 300--300
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 301--301
                      Anonymous   Curious Boats at the Centennial
                                  Exposition . . . . . . . . . . . . . . . 287--287
                      Anonymous   Dr. Taylor Vs. Professor Huxley  . . . . 288--288
                      Anonymous   Iron and Steel Working Improvements  . . 288--288
                      Anonymous   Some Thoughts on Labor . . . . . . . . . 288--289
                      Anonymous   Spiritualists' Facts and Real Facts  . . 289--289
                      Anonymous   New Chemical Test for Alcohol  . . . . . 289--289
                      Anonymous   Petroleum Changed Into Electricity and
                                  Light  . . . . . . . . . . . . . . . . . 289--289
                      Anonymous   The Meeting of the National Academy of
                                  Sciences . . . . . . . . . . . . . . . . 289--289
                      Anonymous   A New Water Engine . . . . . . . . . . . 290--290
                      Anonymous   Improved Stopcock and Street Washer Box  290--290
                      Anonymous   New Screw-Cutting Lathe  . . . . . . . . 291--291
                      Anonymous   Improved Wood Carpeting and Inlaid
                                  Floors . . . . . . . . . . . . . . . . . 291--291
                      Anonymous   Cutting Speeds for Lathe Work  . . . . . 292--293
                      Anonymous   Combination Chair and Secretary  . . . . 294--294
                      Anonymous   R. Hoe & Co.'s Improved Inserted Saw
                                  Teeth  . . . . . . . . . . . . . . . . . 294--294
                      Anonymous   The Hemiptera or Bugs  . . . . . . . . . 295--295
                      Anonymous   The Burbot . . . . . . . . . . . . . . . 295--295
                      Anonymous   Minerals at the Centennial . . . . . . . 296--297
                      Anonymous   Centennial Notes . . . . . . . . . . . . 297--297
                      Anonymous   Astronomical Notes . . . . . . . . . . . 297--298
                      Anonymous   Recent American and Foreign Patents  . . 298--298
                      Anonymous   New Miscellaneous Inventions . . . . . . 298--298
                      Anonymous   New Household Inventions . . . . . . . . 298--298
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 298--298
                      Anonymous   New Agricultural Inventions  . . . . . . 298--299
                      Anonymous   Communications Received  . . . . . . . . 300--300
                      Anonymous   The Validity of Patents  . . . . . . . . 300--300

Scientific American
Volume 35, Number 20, November 11, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 308--308
                      Anonymous   Books: New Books and Publications  . . . 313--313
                      Anonymous   Business and Personal  . . . . . . . . . 315--315
                      Anonymous   Notes and Queries  . . . . . . . . . . . 315--316
                      Anonymous   Index of Inventions  . . . . . . . . . . 316--316
                      Anonymous   Glass Making at the Centennial
                                  Exposition . . . . . . . . . . . . . . . 303--303
                      Anonymous   Ultra-Darwinism  . . . . . . . . . . . . 304--304
                      Anonymous   Was it Vulcan? . . . . . . . . . . . . . 304--305
                      Anonymous   The Centennial Awards  . . . . . . . . . 305--305
                      Anonymous   The Return of the British Arctic
                                  Expedition . . . . . . . . . . . . . . . 305--305
                      Anonymous   The New York Aquarium  . . . . . . . . . 305--305
                      Anonymous   Detoxicated Tobacco  . . . . . . . . . . 305--305
                      Anonymous   Thermostatic Apparatus for Controlling
                                  Valves . . . . . . . . . . . . . . . . . 306--306
                      Anonymous   A New Floue Bolt . . . . . . . . . . . . 306--306
                      Anonymous   Compensating Steam Generating Apparatus  307--307
                      Anonymous   Improved Siphon Head for Bottles. Etc    307--307
                      Anonymous   The Meeting of the National Academy of
                                  Sciences . . . . . . . . . . . . . . . . 308--308
                      Anonymous   Cutting a Left Hand Screw with a Right
                                  Hand Tap . . . . . . . . . . . . . . . . 308--309
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 309--309
                      Anonymous   Improved Ribbed Bale Tie . . . . . . . . 310--310
                      Anonymous   The Camacho Electro-Magnetic Engine  . . 310--310
                      Anonymous   The Grindstone Column at the Centennial  311--311
                      Anonymous   Flying Lizards . . . . . . . . . . . . . 311--311
                      Anonymous   Hydrostatic Apparatus  . . . . . . . . . 312--312
                      Anonymous   Centennial Notes . . . . . . . . . . . . 313--313
                      Anonymous   Decisions of the Courts  . . . . . . . . 313--313
                      Anonymous   Recent American and Foreign Patents  . . 314--314
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 314--314
                      Anonymous   New Household Inventions . . . . . . . . 314--314
                      Anonymous   New Agricultural Inventions  . . . . . . 314--314
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 314--314
                      Anonymous   Communications Received  . . . . . . . . 316--316
                      Anonymous   The Validity of Patents  . . . . . . . . 316--316

Scientific American
Volume 35, Number 21, November 18, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 324--324
                      Anonymous   Books: New Books and Publications  . . . 330--330
                      Anonymous   Business and Personal  . . . . . . . . . 331--331
                      Anonymous   Notes and Queries  . . . . . . . . . . . 331--332
                      Anonymous   Improved Portable Sawmill  . . . . . . . 319--319
                      Anonymous   The Ocean Echo --- Henry vs Tyndall
                                  Again  . . . . . . . . . . . . . . . . . 320--320
                      Anonymous   Slade Sustained  . . . . . . . . . . . . 320--320
                      Anonymous   The Leverrier of Chemistry . . . . . . . 320--321
                      Anonymous   Panics in School Houses  . . . . . . . . 321--321
                      Anonymous   Vulcan Again . . . . . . . . . . . . . . 321--321
                      Anonymous   Irregularity of the Earth's Motion . . . 321--321
                      Anonymous   Improved Shoe-Scolloping Machine . . . . 322--322
                      Anonymous   Curiosities of the Centennial --- I  . . 323--324
                      Anonymous   The Merits and Demerits of Linnæus  . . . 324--325
                      Anonymous   New Ice Velocipede . . . . . . . . . . . 325--325
                      Anonymous   New Method of Setting Hair Triggers of
                                  Rifles . . . . . . . . . . . . . . . . . 325--325
                      Anonymous   Improved Sap Spout . . . . . . . . . . . 325--325
                      Anonymous   Improved Twist Drill and Tool-Grinding
                                  Machine  . . . . . . . . . . . . . . . . 326--326
                      Anonymous   Improved Combination Desk and Book Case  326--326
                      Anonymous   A Museum of British Birds  . . . . . . . 327--328
                   Henry Morton   The Gas Microscope . . . . . . . . . . . 328--328
                      Anonymous   Centennial Notes . . . . . . . . . . . . 329--330
                      Anonymous   Recent American and Foreign Patents  . . 330--330
                      Anonymous   New Household Inventions . . . . . . . . 330--330
                      Anonymous   New Agricultural Inventions  . . . . . . 330--330
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 330--330
                      Anonymous   New Textile Machinery  . . . . . . . . . 330--330
                      Anonymous   New Miscellaneous Inventions . . . . . . 330--330
                      Anonymous   Communications Received  . . . . . . . . 332--332
                      Anonymous   Value of Patents and How to Obtain Them  332--332
                      Anonymous   The Validity of Patents  . . . . . . . . 332--332

Scientific American
Volume 35, Number 22, November 25, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 340--341
                      Anonymous   Business and Personal  . . . . . . . . . 347--347
                      Anonymous   Notes and Queries  . . . . . . . . . . . 347--347
                      Anonymous   Index of Inventions  . . . . . . . . . . 347--348
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 350--350
                      Anonymous   J. A. Fay & Co.'s Exhibit of Woodworking
                                  Machinery at the Centennial  . . . . . . 335--335
                      Anonymous   The Close of the Centennial Exposition   336--336
                      Anonymous   Intermittent Records and Their
                                  Interpretation . . . . . . . . . . . . . 336--337
                      Anonymous   The Stereoscope  . . . . . . . . . . . . 337--337
                      Anonymous   Artificial Butter  . . . . . . . . . . . 337--337
                      Anonymous   The Salt Bluffs of Virgin River, Nevada  337--337
                      Anonymous   Improved Fireproof and Burglarproof Safe 338--338
                      Anonymous   Time Drop Attachment for Alarm Clocks    338--338
                      Anonymous   Improved Bevel . . . . . . . . . . . . . 338--338
                      Anonymous   A New Irrigator  . . . . . . . . . . . . 338--338
                      Anonymous   Locomotives and Railways . . . . . . . . 339--340
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 341--341
                      Anonymous   Rapid Transit Locomotive . . . . . . . . 342--342
                      Anonymous   Counter Gear for Lathes  . . . . . . . . 342--342
                      Anonymous   The Castor Oil Plant as a Tree . . . . . 343--343
                      Anonymous   \em Bixa Orellana --- Annotta  . . . . . 343--343
                      Anonymous   Centennial Notes . . . . . . . . . . . . 345--346
                      Anonymous   Recent American and Foreign Patents  . . 346--346
                      Anonymous   New Agricultural Inventions  . . . . . . 346--346
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 346--346
                      Anonymous   New Miscellaneous Inventions . . . . . . 346--346
                      Anonymous   New Household Inventions . . . . . . . . 346--346
                      Anonymous   Communications Received  . . . . . . . . 347--347
                      Anonymous   The Validity of Patents  . . . . . . . . 348--348

Scientific American
Volume 35, Number 23, December 2, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 356--356
                      Anonymous   Books: New Books and Publications  . . . 361--361
                      Anonymous   Business and Personal  . . . . . . . . . 362--362
                      Anonymous   Notes and Queries  . . . . . . . . . . . 362--363
                      Anonymous   Index of Inventions  . . . . . . . . . . 363--364
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 366--366
                      Anonymous   Improved Boiler Cleaner and Mud
                                  Extractor  . . . . . . . . . . . . . . . 351--351
                      Anonymous   The Putnam Machine Company's Steam
                                  Engine . . . . . . . . . . . . . . . . . 351--351
                      Anonymous   Publishers' Card . . . . . . . . . . . . 352--352
                      Anonymous   Prospects of Aeronautics . . . . . . . . 352--352
                      Anonymous   English Dealings with Food Adulterations 352--353
                      Anonymous   What New York Might Do with the Great
                                  French Statue  . . . . . . . . . . . . . 353--353
                      Anonymous   Ammoniumnitrodiphenylamin  . . . . . . . 353--353
                      Anonymous   Silence and Haste at Dinner  . . . . . . 353--353
                      Anonymous   New Machine for Printing Colored Paper   354--354
                      Anonymous   A New Steam Governor . . . . . . . . . . 354--354
                      Anonymous   Improved Steam Gage  . . . . . . . . . . 354--354
                      Anonymous   Curiosities of the Centennial  . . . . . 355--356
                      Anonymous   The Practical Results of the English
                                  Arctic Exploring Expedition  . . . . . . 357--357
                      Anonymous   Improved Feed Water Heater . . . . . . . 358--358
                      Anonymous   Improved Furnace Feeder  . . . . . . . . 358--358
                      Anonymous   Sea Serpents . . . . . . . . . . . . . . 359--359
                      Anonymous   Prehistoric Relics in Arizona  . . . . . 359--359
                      Anonymous   Centennial Notes . . . . . . . . . . . . 360--361
                      Anonymous   Recent American and Foreign Patents  . . 361--361
                      Anonymous   New Household Inventions . . . . . . . . 361--361
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 361--361
                      Anonymous   New Agricultural Inventions  . . . . . . 361--361
                      Anonymous   New Textile Machinery  . . . . . . . . . 361--361
                      Anonymous   New Miscellaneous Inventions . . . . . . 361--361
                      Anonymous   Communications Received  . . . . . . . . 363--363
                      Anonymous   The Validity of Patents  . . . . . . . . 364--364

Scientific American
Volume 35, Number 24, December 9, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 372--373
                      Anonymous   Business and Personal  . . . . . . . . . 379--379
                      Anonymous   Notes and Queries  . . . . . . . . . . . 379--380
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 382--382
                      Anonymous   Improved Knife-Grinding Machine  . . . . 367--367
                      Anonymous   Publishers' Card . . . . . . . . . . . . 368--368
                      Anonymous   Color Blindness and Its Remedy . . . . . 368--368
                      Anonymous   Otto of Roses  . . . . . . . . . . . . . 368--369
                      Anonymous   A Valuable Discovery in Electric
                                  Illumination . . . . . . . . . . . . . . 369--369
                      Anonymous   The Value of Fine Workmanship  . . . . . 369--369
                      Anonymous   New York Academy of Sciences . . . . . . 369--369
                      Anonymous   The Niles Engine . . . . . . . . . . . . 370--370
                      Anonymous   A Curious Clock  . . . . . . . . . . . . 371--371
                      Anonymous   Improved Apparatus for Curing Tobacco    371--371
                      Anonymous   A New Steam Pump . . . . . . . . . . . . 371--372
                    C. V. Riley   The Army Worm: Its Natural History
                                  Complete . . . . . . . . . . . . . . . . 372--372
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 373--373
                      Anonymous   Antique Gold and Silver Work . . . . . . 374--374
                      Anonymous   Siemens' Sensitive Artificial Eye  . . . 374--374
                      Anonymous   A New Blowpipe . . . . . . . . . . . . . 374--374
                      Anonymous   \em Æchmea Paniculata . . . . . . . . . . 375--375
                      Anonymous   House Building . . . . . . . . . . . . . 376--377
                      Anonymous   Centennial Notes . . . . . . . . . . . . 377--377
                      Anonymous   Astronomical Notes . . . . . . . . . . . 377--378
                      Anonymous   Recent American and Foreign Patents  . . 378--378
                      Anonymous   New Household Inventions . . . . . . . . 378--378
                      Anonymous   New Textile Machinery  . . . . . . . . . 378--378
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 378--378
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 378--378
                      Anonymous   New Miscellaneous Inventions . . . . . . 378--378
                      Anonymous   Communications Received  . . . . . . . . 380--380
                      Anonymous   Value of Patents, and How to Obtain Them 380--380

Scientific American
Volume 35, Number 25, December 16, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 388--389
                      Anonymous   Business and Personal  . . . . . . . . . 395--395
                      Anonymous   Notes and Queries  . . . . . . . . . . . 395--395
                      Anonymous   Index of Inventions  . . . . . . . . . . 395--396
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 398--398
                      Anonymous   New Rotary Diamond Millstone Dresser . . 383--383
                      Anonymous   Price's Improved Hose Coupling . . . . . 383--383
                      Anonymous   Publishers' Card . . . . . . . . . . . . 384--384
                      Anonymous   The Extension of Sense . . . . . . . . . 384--384
                      Anonymous   The Great Cyclone in Bengal  . . . . . . 384--385
                      Anonymous   An Indian Dust Storm . . . . . . . . . . 385--385
                      Anonymous   Low Flying Balloons  . . . . . . . . . . 385--385
                      Anonymous   The Radiometer Not a Light Motor . . . . 385--385
                      Anonymous   The Limits to Physical Culture . . . . . 385--385
                      Anonymous   The ``John Bull'' Locomotive at The
                                  Centennial . . . . . . . . . . . . . . . 386--386
                      Anonymous   Improved Lubricator  . . . . . . . . . . 386--386
                      Anonymous   Galvanometer for Testing Lightning
                                  Conductors . . . . . . . . . . . . . . . 386--386
                      Anonymous   A New Tackle . . . . . . . . . . . . . . 386--386
                      Anonymous   Improved Tool Holders and Cutters  . . . 387--387
                Octavius Corder   Pharmaceutical Apparatus . . . . . . . . 387--388
                      Anonymous   Denney's Improved Washing Machine  . . . 390--390
                      Anonymous   The Spirophore . . . . . . . . . . . . . 390--390
                      Anonymous   A Novel Air Compressor . . . . . . . . . 390--390
                      Anonymous   A Sounding Hand Signal for Railroads . . 390--390
                      Anonymous   New Chinese Deer . . . . . . . . . . . . 391--391
                      Anonymous   Curious Fish at the New York Aquarium    391--391
                    C. V. Riley   Locust Flights East of the Mississippi   392--392
                      Anonymous   Centennial Notes . . . . . . . . . . . . 393--393
                      Anonymous   The Occupations and Health of the
                                  Mercantile Classes . . . . . . . . . . . 393--394
                      Anonymous   Recent American and Foreign Patents  . . 394--394
                      Anonymous   New Agricultural Inventions  . . . . . . 394--394
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 394--394
                      Anonymous   New Miscellaneous Inventions . . . . . . 394--394
                      Anonymous   New Household Inventions . . . . . . . . 394--394
                      Anonymous   New Textile Machinery  . . . . . . . . . 394--394
                      Anonymous   Communications Received  . . . . . . . . 395--395

Scientific American
Volume 35, Number 26, December 23, 1876

                      Anonymous   Correspondence . . . . . . . . . . . . . 404--404
                      Anonymous   Business and Personal  . . . . . . . . . 409--409
                      Anonymous   Notes and Queries  . . . . . . . . . . . 409--409
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 411--412
                      Anonymous   The Lumber Trade in Pennsylvania . . . . 399--399
                      Anonymous   The End of the Year  . . . . . . . . . . 400--400
                      Anonymous   Publishers' Card . . . . . . . . . . . . 400--400
                      Anonymous   City Subscribers . . . . . . . . . . . . 400--400
                      Anonymous   The Artist vs. The Artisan . . . . . . . 400--400
                      Anonymous   Transfusion of Blood . . . . . . . . . . 400--401
                      Anonymous   The Prevention of Fires in Theaters  . . 401--401
                      Anonymous   Remarkable Clocks  . . . . . . . . . . . 401--401
                      Anonymous   The Cremation of Baron De Palm . . . . . 401--401
                      Anonymous   Who Discovered the Circulation of the
                                  Blood? . . . . . . . . . . . . . . . . . 401--401
                      Anonymous   Binding of Numbers . . . . . . . . . . . 401--401
                      Anonymous   Improved Solar Photographic Apparatus    402--402
                      Anonymous   English Cheese --- Its Manufacture . . . 403--404
                      Anonymous   M. Plante's Theory of the Formation of
                                  Hail . . . . . . . . . . . . . . . . . . 404--404
                      Anonymous   Improved Semolina Separator  . . . . . . 405--405
                      Anonymous   A Tasteful Flower Trellis  . . . . . . . 405--405
                      Anonymous   Simple Laboratory Apparatus  . . . . . . 405--405
                      Anonymous   New Combination Hand and Power Feed
                                  Surface Planing Machine  . . . . . . . . 406--406
                      Anonymous   The British Arctic Expedition  . . . . . 407--408
                      Anonymous   Supply of Bound Volumes  . . . . . . . . 408--408
                      Anonymous   To our Subscribers . . . . . . . . . . . 408--408
                      Anonymous   Decisions of the Courts  . . . . . . . . 408--408
                      Anonymous   Recent American and Foreign Patents  . . 408--408
                      Anonymous   New Miscellaneous Inventions . . . . . . 408--408
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 408--408
                      Anonymous   New Household Inventions . . . . . . . . 408--408
                      Anonymous   New Agricultural Inventions  . . . . . . 408--408
                      Anonymous   Communications Received  . . . . . . . . 409--410


Scientific American
Volume 36, Number 1, January 6, 1877

                      Anonymous   Books: New Books and Publications  . . . 10--10
                      Anonymous   Business and Personal  . . . . . . . . . 11--11
                      Anonymous   Notes and Queries  . . . . . . . . . . . 11--11
                      Anonymous   Index of Inventions  . . . . . . . . . . 11--12
                      Anonymous   The Brown Automatic Cut-Off Engine . . . 1--1
                      Anonymous   A Wonderful Treasure Trove . . . . . . . 2--2
                      Anonymous   Uninflammable Theater Scenery  . . . . . 2--2
                      Anonymous   Defective Geometrical Teachings  . . . . 2--3
                      Anonymous   The form and Use of Calipers . . . . . . 3--3
                      Anonymous   A New Steam Capstan  . . . . . . . . . . 4--4
                      Anonymous   A New Electric Fire Alarm and Bell Pull  4--4
                      Anonymous   The Willes and Rowe Lightning Dumper . . 4--4
                      Anonymous   Paper Box Making . . . . . . . . . . . . 5--5
                      Anonymous   Improved Ice Cream Freezer . . . . . . . 6--6
                      Anonymous   Improved Portable Gang Sawmill . . . . . 6--6
                      Anonymous   A Colossal Aquarium  . . . . . . . . . . 7--7
                      Anonymous   The Tobacco Pipe Fish  . . . . . . . . . 7--7
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 8--9
                      Anonymous   A Micrometer Caliper . . . . . . . . . . 9--9
                      Anonymous   Astronomical Notes . . . . . . . . . . . 9--9
                    C. V. Riley   Bots . . . . . . . . . . . . . . . . . . 9--10
                      Anonymous   Decisions of the Courts  . . . . . . . . 10--10
                      Anonymous   Recent American and Foreign Patents  . . 10--10
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 10--10
                      Anonymous   New Miscellaneous Inventions . . . . . . 10--10
                      Anonymous   Communications Received  . . . . . . . . 11--11

Scientific American
Volume 36, Number 2, January 13, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 27--27
                      Anonymous   Notes and Queries  . . . . . . . . . . . 27--28
                      Anonymous   Index of Inventions  . . . . . . . . . . 28--29
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 29--29
                      Anonymous   Puddling Machinery . . . . . . . . . . . 15--15
                      Anonymous   Brayton's Hydrocarbon Motor  . . . . . . 15--15
                      Anonymous   Physicians as Patentees  . . . . . . . . 16--16
                      Anonymous   The Obligations of Science to Goethe . . 16--16
                      Anonymous   Color Music  . . . . . . . . . . . . . . 16--17
                      Anonymous   More Remarkable Clocks . . . . . . . . . 17--17
                      Anonymous   The Resignation of the Commissioner of
                                  Patents  . . . . . . . . . . . . . . . . 17--17
                      Anonymous   Tempered Glass . . . . . . . . . . . . . 18--19
                      Anonymous   The Centennial Pipe Vise . . . . . . . . 19--19
                      Anonymous   Wieting's Improved Frame Clamp . . . . . 19--19
                      Anonymous   Communications . . . . . . . . . . . . . 20--22
                      Anonymous   The Tanite Company's New Planer Knife
                                  and Stove Plate Grinders . . . . . . . . 22--22
                      Anonymous   The Domestic Steam Engine  . . . . . . . 22--22
                      Anonymous   The Hare and Her Foes  . . . . . . . . . 23--23
                      Anonymous   How to Adjust Line Shafting  . . . . . . 24--24
                      Anonymous   The Louisville Water Works . . . . . . . 25--25
                      Anonymous   New York Academy of Sciences . . . . . . 25--26
                      Anonymous   Recent American and Foreign Patents  . . 26--26
                      Anonymous   New Miscellaneous Inventions . . . . . . 26--26
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 26--26
                      Anonymous   New Agricultural Inventions  . . . . . . 26--26
                      Anonymous   New Household Inventions . . . . . . . . 26--27
                      Anonymous   Communications Received  . . . . . . . . 28--28

Scientific American
Volume 36, Number 3, January 20, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 44--44
                      Anonymous   Notes and Queries  . . . . . . . . . . . 44--45
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 45--45
                      Anonymous   The Buildings for the French Exposition  31--31
                      Anonymous   The Prevention of Criminal Propagation   32--32
                      Anonymous   The Geographical Distribution of Animals 32--33
                      Anonymous   Modern Halls and Theaters  . . . . . . . 33--33
                      Anonymous   A Mutual Dissection and Decapitation
                                  Society  . . . . . . . . . . . . . . . . 33--33
                      Anonymous   Colored Photo-Lithographs by Color-Blind
                                  Cameras  . . . . . . . . . . . . . . . . 33--33
                      Anonymous   The Recent Arctic Expedition . . . . . . 34--35
               G. P. Hachenberg   A New Hygrometer . . . . . . . . . . . . 35--35
                      Anonymous   Communications . . . . . . . . . . . . . 36--36
                      Anonymous   The Death of Commodore Vanderbilt  . . . 36--37
                      Anonymous   Chemical Progress in 1876  . . . . . . . 37--37
                      Anonymous   Water Velocipedes  . . . . . . . . . . . 38--38
                      Anonymous   A Toy Flying Machine . . . . . . . . . . 38--38
                      Anonymous   Storm Glasses and Their Indications  . . 38--38
                      Anonymous   Dairy Cattle . . . . . . . . . . . . . . 39--39
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 40--41
                      Anonymous   The Duplication of the Cube  . . . . . . 41--41
                      Anonymous   Gynomania and Other Manias . . . . . . . 41--41
                      Anonymous   Time Locks . . . . . . . . . . . . . . . 42--42
                      Anonymous   Rope Gearing . . . . . . . . . . . . . . 42--42
                      Anonymous   Recent American and Foreign Patents  . . 43--43
                      Anonymous   New Agricultural Inventions  . . . . . . 43--43
                      Anonymous   New Miscellaneous Inventions . . . . . . 43--43
                      Anonymous   New Household Inventions . . . . . . . . 43--43
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 43--44
                      Anonymous   Communications Received  . . . . . . . . 45--45

Scientific American
Volume 36, Number 4, January 27, 1877

                      Anonymous   Books: New Books and Publications  . . . 58--58
                      Anonymous   Business and Personal  . . . . . . . . . 59--59
                      Anonymous   Notes and Queries  . . . . . . . . . . . 59--59
                      Anonymous   Index of Inventions  . . . . . . . . . . 59--60
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 60--60
                      Anonymous   Wrought Iron Tubular Safety Boiler . . . 47--47
                      Anonymous   The Modern Tendency of the Medical Art   48--48
                      Anonymous   Ideation in Utero  . . . . . . . . . . . 48--48
                      Anonymous   Inebriety as a Disease . . . . . . . . . 48--49
                      Anonymous   A New Hunting Ground . . . . . . . . . . 49--49
                      Anonymous   A New Dredging Machine . . . . . . . . . 50--50
                      Anonymous   Improved Carpet Stretcher  . . . . . . . 50--50
                      Anonymous   Professor Mabey's Investigations on the
                                  Action of the Heart  . . . . . . . . . . 51--52
                      Anonymous   Communications . . . . . . . . . . . . . 52--52
                      Anonymous   Rivets and Riveting  . . . . . . . . . . 53--53
                      Anonymous   Improved Self-Oiling Axle Box  . . . . . 54--54
                      Anonymous   Useful Kit of Screw-Cutting Tools  . . . 54--54
                      Anonymous   The Basilica of St. Peter's Rome . . . . 55--56
                      Anonymous   The Strongest War Vessel in the World    57--57
                      Anonymous   A New Steam Carriage . . . . . . . . . . 57--58
                      Anonymous   Decisions of the Courts  . . . . . . . . 58--58
                      Anonymous   Recent American and Foreign Patents  . . 58--58
                      Anonymous   New Agricultural Inventions  . . . . . . 58--58
                      Anonymous   New Miscellaneous Inventions . . . . . . 58--58
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 58--59
                      Anonymous   Communications Received  . . . . . . . . 59--59

Scientific American
Volume 36, Number 5, February 3, 1877

                      Anonymous   Books: New Books and Publications  . . . 74--74
                      Anonymous   Business and Personal  . . . . . . . . . 75--75
                      Anonymous   Notes and Queries  . . . . . . . . . . . 75--75
                      Anonymous   Index of Inventions  . . . . . . . . . . 75--76
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 77--77
                      Anonymous   The Gorilla  . . . . . . . . . . . . . . 63--63
                      Anonymous   Some Suggestions for Future Polar
                                  Expeditions  . . . . . . . . . . . . . . 64--64
                      Anonymous   Mind Reading and Conjurors . . . . . . . 64--64
                      Anonymous   The Cost of the East River Bridge  . . . 64--65
                      Anonymous   The Migrations and Dispersal of Animals  65--65
                      Anonymous   The Cause of the Delay in Issuing the
                                  Patents  . . . . . . . . . . . . . . . . 65--65
                      Anonymous   Improved Compound Engine . . . . . . . . 66--66
                      Anonymous   A New Tube Expander  . . . . . . . . . . 66--66
                      Anonymous   A New Food Steamer . . . . . . . . . . . 67--67
                      Anonymous   Natural Hygroscopes  . . . . . . . . . . 67--67
                      Anonymous   New York Academy of Sciences . . . . . . 67--67
                      Anonymous   Hippopotamus Dentistry . . . . . . . . . 67--68
                      Anonymous   Communications . . . . . . . . . . . . . 68--68
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 69--69
                      Anonymous   The Respiration of Roots . . . . . . . . 70--70
                      Anonymous   Improved Locomotive Spark Arrester . . . 70--70
                      Anonymous   The Prickly Comfrey  . . . . . . . . . . 71--71
                      Anonymous   Chemical Magic . . . . . . . . . . . . . 71--72
                      Anonymous   Chemical Progress in 1876  . . . . . . . 72--73
                      Anonymous   \em \OEdema Glottidis  . . . . . . . . . 73--73
                      Anonymous   Astronomical Notes . . . . . . . . . . . 73--74
                      Anonymous   Recent American and Foreign Patents  . . 74--74
                      Anonymous   New Agricultural Inventions  . . . . . . 74--74
                      Anonymous   New Miscellaneous Inventions . . . . . . 74--74
                      Anonymous   New Household Inventions . . . . . . . . 74--74
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 74--74
                      Anonymous   Communications Received  . . . . . . . . 75--75

Scientific American
Volume 36, Number 6, February 10, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 90--90
                      Anonymous   Notes and Queries  . . . . . . . . . . . 90--92
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--92
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 93--93
                      Anonymous   Novel Hydraulic Railway Locomotive . . . 79--79
                      Anonymous   Force Analyzed . . . . . . . . . . . . . 80--80
                      Anonymous   The Encouragement of Insanity  . . . . . 80--80
                      Anonymous   Medical Progress of the Past Year  . . . 80--81
                      Anonymous   Wholesale Heating  . . . . . . . . . . . 81--81
                      Anonymous   Propelling Vessels . . . . . . . . . . . 81--81
                      Anonymous   Guardiola's Sugar and Coffee Machinery   82--83
                      Anonymous   Communications . . . . . . . . . . . . . 84--85
                      Anonymous   Improved Upright Moulding Machine  . . . 86--86
                      Anonymous   The Scientific Grain Mill  . . . . . . . 86--86
                      Anonymous   Improved Hat and Coat Rack . . . . . . . 86--86
                      Anonymous   The Largest Flower in the World  . . . . 87--87
                      Anonymous   Asparagus in Winter  . . . . . . . . . . 87--87
                      Anonymous   The Pinks  . . . . . . . . . . . . . . . 87--87
                      Anonymous   Spoke-Making Machinery . . . . . . . . . 88--88
                      Anonymous   Improved Lubricant-Testing Apparatus . . 89--89
                      Anonymous   Recent American and Foreign Patents  . . 89--89
                      Anonymous   New Household Inventions . . . . . . . . 89--89
                      Anonymous   New Miscellaneous Inventions . . . . . . 89--89
                      Anonymous   New Agricultural Inventions  . . . . . . 89--89
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 89--89
                      Anonymous   Communications Received  . . . . . . . . 92--92

Scientific American
Volume 36, Number 7, February 17, 1877

                      Anonymous   Books: New Books and Publications  . . . 106--106
                      Anonymous   Business and Personal  . . . . . . . . . 107--107
                      Anonymous   Notes and Queries  . . . . . . . . . . . 107--108
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 109--109
                      Anonymous   The Eclipse Agricultural Engine  . . . . 95--95
                      Anonymous   Matter as a Mode of Motion . . . . . . . 96--96
                      Anonymous   Special Machine Work Versus Manipulative
                                  Skill  . . . . . . . . . . . . . . . . . 96--97
                      Anonymous   State Patent Laws  . . . . . . . . . . . 97--97
                      Anonymous   Recent Studies of Luminous Flames  . . . 97--97
                      Anonymous   The Flower Trade of New York . . . . . . 97--97
                      Anonymous   Putting in Coal  . . . . . . . . . . . . 97--97
                      Anonymous   Solar Photographs  . . . . . . . . . . . 98--98
                      Anonymous   Ornithological Deformities . . . . . . . 98--98
                      Anonymous   A Tractile Power Economizer  . . . . . . 99--99
                      Anonymous   Improved Safety Valves . . . . . . . . . 99--99
                      Anonymous   Communications . . . . . . . . . . . . . 100--100
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 101--101
                      Anonymous   Improved Cow Milker  . . . . . . . . . . 102--102
                      Anonymous   Hydraulic Punching Machine . . . . . . . 102--102
                      Anonymous   Faience Ware . . . . . . . . . . . . . . 103--103
                      Anonymous   The New Sun and its Disappearance  . . . 104--104
                      Anonymous   The Resources of the Pacific Coast . . . 105--105
                      Anonymous   Recent American and Foreign Patents  . . 106--106
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 106--106
                      Anonymous   New Household Inventions . . . . . . . . 106--106
                      Anonymous   New Agricultural Inventions  . . . . . . 106--106
                      Anonymous   Communications Received  . . . . . . . . 108--108

Scientific American
Volume 36, Number 8, February 24, 1877

                      Anonymous   Books: New Books and Publications  . . . 122--122
                      Anonymous   Business and Personal  . . . . . . . . . 123--123
                      Anonymous   Notes and Queries  . . . . . . . . . . . 123--123
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--124
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 126--126
                      Anonymous   Dates and the Date Palm  . . . . . . . . 111--111
                      Anonymous   Publishers' Notice . . . . . . . . . . . 112--112
                      Anonymous   For Posterity --- A Suggestion . . . . . 112--113
                      Anonymous   The Lost Arts in New York  . . . . . . . 113--113
                      Anonymous   The Blue Glass Deception . . . . . . . . 113--113
                      Anonymous   The Wetli Mountain Railroad and its
                                  Disastrous Trial Trip  . . . . . . . . . 114--114
                      Anonymous   Improved Trolling Hook . . . . . . . . . 114--114
                      Anonymous   The Hemi-Plunger . . . . . . . . . . . . 115--116
                      Anonymous   Communications . . . . . . . . . . . . . 116--117
                      Anonymous   New York Academy of Sciences . . . . . . 117--117
                      Anonymous   Annual Report of the Patent Office . . . 117--117
                      Anonymous   Improved Lathe Chuck . . . . . . . . . . 118--118
                      Anonymous   Screw-Cutting Lathes . . . . . . . . . . 118--118
                      Anonymous   Improved Harness Cockeye . . . . . . . . 118--118
                      Anonymous   Proposed Cremation Temple  . . . . . . . 119--119
                 Charles A. Joy   Papin's Steam Engine . . . . . . . . . . 120--122
                      Anonymous   Recent American and Foreign Patents  . . 122--122
                      Anonymous   New Miscellaneous Inventions . . . . . . 122--122
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 122--122
                      Anonymous   Communications Received  . . . . . . . . 123--124

Scientific American
Volume 36, Number 9, March 3, 1877

                      Anonymous   Books: New Books and Publications  . . . 136--136
                      Anonymous   Business and Personal  . . . . . . . . . 138--138
                      Anonymous   Notes and Queries  . . . . . . . . . . . 138--139
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 142--142
                      Anonymous   The Wire for the East River Bridge . . . 127--127
                      Anonymous   Publishers' Notice . . . . . . . . . . . 128--128
                      Anonymous   Science Prophesies the Future of the
                                  Race . . . . . . . . . . . . . . . . . . 128--128
                      Anonymous   A Good Policy  . . . . . . . . . . . . . 128--128
                      Anonymous   Protection of Buildings from Lightning   128--129
                      Anonymous   The Blue Glass Deception . . . . . . . . 129--129
                      Anonymous   How We are Able to do it . . . . . . . . 129--129
                      Anonymous   A New Boiler Cleaner . . . . . . . . . . 130--130
                      Anonymous   Street Cars  . . . . . . . . . . . . . . 131--132
                      Anonymous   Communications . . . . . . . . . . . . . 132--132
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 132--133
                      Anonymous   The ``Little Speedy'' Corn Sheller . . . 134--134
                      Anonymous   A Machine Salesman . . . . . . . . . . . 134--134
                      Anonymous   The Harpy Eagle  . . . . . . . . . . . . 135--136
                      Anonymous   Decisions of the Courts  . . . . . . . . 136--136
                      Anonymous   Recent American and Foreign Patents  . . 136--136
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 136--136
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 136--137
                      Anonymous   New Miscellaneous Inventions . . . . . . 137--137
                      Anonymous   Communications Received  . . . . . . . . 139--140

Scientific American
Volume 36, Number 10, March 10, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 155--155
                      Anonymous   Notes and Queries  . . . . . . . . . . . 155--156
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--156
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 158--158
                      Anonymous   The East River Bridge  . . . . . . . . . 143--143
                      Anonymous   Publishers' Notice . . . . . . . . . . . 144--144
                      Anonymous   Lemuria, the Lost Paradise . . . . . . . 144--144
                      Anonymous   City Architecture  . . . . . . . . . . . 144--145
                      Anonymous   The Working of Patents in Canada . . . . 145--145
                      Anonymous   The Blue Glass Deception . . . . . . . . 145--145
                      Anonymous   Pointed Lightning Rods . . . . . . . . . 145--145
                      Anonymous   Curiosities of Glassmaking . . . . . . . 146--147
                      Anonymous   A New Friction Clutch for Shafting . . . 147--147
                      Anonymous   Communications . . . . . . . . . . . . . 148--148
                      Anonymous   Astronomical Notes . . . . . . . . . . . 148--148
                      Anonymous   Straightening Wrought Metal Plates . . . 149--149
                      Anonymous   The Trial of the Hundred-Ton Gun . . . . 150--150
                      Anonymous   A Self-Setting Rat Trap  . . . . . . . . 150--150
                      Anonymous   New Manufacture of Rubber Articles . . . 150--150
                      Anonymous   Industrial Barbarians  . . . . . . . . . 151--151
                      Anonymous   A New Ambulance  . . . . . . . . . . . . 151--151
                      Anonymous   A Day's Ice Yachting on the Hudson . . . 152--152
                      Anonymous   New York Academy of Sciences . . . . . . 152--152
                      Anonymous   Recent American and Foreign Patents  . . 153--153
                      Anonymous   New Textile Inventions . . . . . . . . . 153--153
                      Anonymous   New Agricultural Inventions  . . . . . . 153--153
                      Anonymous   New Miscellaneous Inventions . . . . . . 153--154
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 154--154
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 154--154
                      Anonymous   Communications Received  . . . . . . . . 156--156

Scientific American
Volume 36, Number 11, March 17, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 171--171
                      Anonymous   Notes and Queries  . . . . . . . . . . . 171--172
                      Anonymous   Index of Inventions  . . . . . . . . . . 172--172
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 174--174
                      Anonymous   The United States Torpedo Steamer Alarm  159--159
                      Anonymous   What it Costs to Feed Insects  . . . . . 160--160
                      Anonymous   Publishers' Notice . . . . . . . . . . . 160--160
                      Anonymous   Explosions on Lightning Rod Points . . . 160--160
                      Anonymous   The Industries and Resources of New
                                  South Wales  . . . . . . . . . . . . . . 160--161
                      Anonymous   The World's Population . . . . . . . . . 161--161
                      Anonymous   Patent Rights and Patent Wrongs  . . . . 161--161
                      Anonymous   Robaugh's Little Giant Pump  . . . . . . 162--163
                      Anonymous   Spike Machinery  . . . . . . . . . . . . 163--163
                      Anonymous   Communications . . . . . . . . . . . . . 164--164
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 165--165
                      Anonymous   Improved Steam Engine Cut-Off  . . . . . 166--166
                      Anonymous   A New Dumping Scow . . . . . . . . . . . 166--166
                      Anonymous   The Bad Lands of White River . . . . . . 167--167
                      Anonymous   The Oleo-Margarin Industry . . . . . . . 168--169
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 170--170
                      Anonymous   New Miscellaneous Inventions . . . . . . 170--170
                      Anonymous   New Agricultural Inventions  . . . . . . 170--170
                      Anonymous   New Household Inventions . . . . . . . . 170--170
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 170--170
                      Anonymous   Communications Received  . . . . . . . . 172--172

Scientific American
Volume 36, Number 12, March 24, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 186--186
                      Anonymous   Notes and Queries  . . . . . . . . . . . 186--188
                      Anonymous   Index of Inventions  . . . . . . . . . . 188--188
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 190--190
             George B. Prescott   Pneumatic Transmission . . . . . . . . . 175--175
                      Anonymous   Selection Applied to Man . . . . . . . . 176--176
                      Anonymous   Explosion of Kerosene Lamps  . . . . . . 176--177
                      Anonymous   A Lesson in Arctic Navigation  . . . . . 177--177
                      Anonymous   Light and the Distances of the Stars . . 177--177
                      Anonymous   The New English Patent Bill  . . . . . . 177--177
                      Anonymous   New Experiments on Mechanical Flight . . 179--179
                      Anonymous   A New Keely Motor Deception  . . . . . . 179--179
                      Anonymous   Communications . . . . . . . . . . . . . 180--181
                      Anonymous   Straightening Wrought Metal Plates . . . 181--181
                      Anonymous   New Rotary Pump  . . . . . . . . . . . . 182--182
                      Anonymous   A New Phylloxera Remedy ---
                                  Decortication  . . . . . . . . . . . . . 182--182
                      Anonymous   A New Bathometer . . . . . . . . . . . . 182--182
                      Anonymous   A Persian Dwelling . . . . . . . . . . . 183--184
                       A. Ricco   New Spectroscope for Direct Vision . . . 184--184
                      Anonymous   Publishers' Notice . . . . . . . . . . . 184--184
                      Anonymous   Recent American and Foreign Patents  . . 184--184
                      Anonymous   New Textile Invention  . . . . . . . . . 184--184
                      Anonymous   New Miscellaneous Inventions . . . . . . 184--185
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 185--185
                      Anonymous   New Agricultural Inventions  . . . . . . 185--185
                      Anonymous   New Household Inventions . . . . . . . . 185--186
                      Anonymous   Communications Received  . . . . . . . . 188--188

Scientific American
Volume 36, Number 13, March 31, 1877

                      Anonymous   Books: New Books and Publications  . . . 201--201
                      Anonymous   Business and Personal  . . . . . . . . . 203--203
                      Anonymous   Notes and Queries  . . . . . . . . . . . 203--203
                      Anonymous   Index of Inventions  . . . . . . . . . . 204--204
                      Anonymous   The Telephone  . . . . . . . . . . . . . 191--191
                      Anonymous   Publishers Notice to Mail Subscribers    192--192
                      Anonymous   Our National Trial and Its Results . . . 192--192
                      Anonymous   The Ashtabula Verdict  . . . . . . . . . 192--192
                      Anonymous   Iron Front Buildings . . . . . . . . . . 192--192
                      Anonymous   The Theories of Light  . . . . . . . . . 192--193
                      Anonymous   Photographs in the Eye . . . . . . . . . 193--193
                      Anonymous   An Editor's Perpetual Motion . . . . . . 193--193
                      Anonymous   The Commissioner of Patents  . . . . . . 193--193
                      Anonymous   Rice Culture in China  . . . . . . . . . 194--194
                      Anonymous   Mushrooms  . . . . . . . . . . . . . . . 194--194
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 195--196
                      Anonymous   Communications . . . . . . . . . . . . . 196--197
                      Anonymous   The Selden Compound Pump . . . . . . . . 198--198
                      Anonymous   A Norwegian Timber Church  . . . . . . . 199--199
                      Anonymous   Decisions of the Courts  . . . . . . . . 201--201
                      Anonymous   Recent American and Foreign Patents  . . 202--202
                      Anonymous   New Miscellaneous Inventions . . . . . . 202--202
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 202--202
                      Anonymous   New Agricultural Inventions  . . . . . . 202--202
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 202--202
                      Anonymous   Communications Received  . . . . . . . . 203--203

Scientific American
Volume 36, Number 14, April 7, 1877

                      Anonymous   Books: New Books and Publications  . . . 217--217
                      Anonymous   Business and Personal  . . . . . . . . . 219--219
                      Anonymous   Notes and Queries  . . . . . . . . . . . 219--220
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--221
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 222--222
                      Anonymous   Improved Steam Wheel . . . . . . . . . . 207--207
                      Anonymous   Publishers' Notice to Mail Subscribers   208--208
                      Anonymous   The Preservation of Learning . . . . . . 208--208
                      Anonymous   The Blue Glass Epidemic  . . . . . . . . 208--208
                      Anonymous   A Curious History of an Old Inventor . . 208--209
                      Anonymous   On Keeping an Index  . . . . . . . . . . 209--209
                      Anonymous   American Inventive Progress  . . . . . . 209--209
                      Anonymous   Exhibition of Microscopes  . . . . . . . 209--209
                      Anonymous   New French Woodworking Machines  . . . . 210--210
                      Anonymous   Straightening Metal Plates . . . . . . . 211--211
                      Anonymous   Communications . . . . . . . . . . . . . 212--213
                      Anonymous   Stone-Working Implements . . . . . . . . 213--213
                      Anonymous   New Lubricant-Testing Machine  . . . . . 214--214
                      Anonymous   Improved Vehicle Springs . . . . . . . . 214--214
                      Anonymous   Some Members of the Lizard Family  . . . 215--216
                      Anonymous   Astronomical Notes . . . . . . . . . . . 216--216
                Leonidas Schuch   The Separation of Cobalt from Nickel by
                                  Colorimetric Test  . . . . . . . . . . . 216--217
                      Anonymous   New York Academy of Sciences . . . . . . 217--217
                      Anonymous   Recent American and Foreign Patents  . . 218--218
                      Anonymous   New Agricultural Inventions  . . . . . . 218--218
                      Anonymous   New Household Inventions . . . . . . . . 218--218
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 218--218
                      Anonymous   New Miscellaneous Inventions . . . . . . 218--218
                      Anonymous   Communications Received  . . . . . . . . 220--220

Scientific American
Volume 36, Number 15, April 14, 1877

                      Anonymous   Books: New Books and Publications  . . . 234--234
                      Anonymous   Business and Personal  . . . . . . . . . 235--235
                      Anonymous   Notes and Queries  . . . . . . . . . . . 235--236
                      Anonymous   Index of Inventions  . . . . . . . . . . 236--236
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 238--238
                      Anonymous   Improved Railroad Grader . . . . . . . . 223--224
                      Anonymous   The Properties of Light and Color  . . . 224--224
                      Anonymous   The American Exhibit at the Coming Paris
                                  Exposition . . . . . . . . . . . . . . . 224--224
                      Anonymous   Adjusting Connecting Rod Brasses . . . . 225--225
                      Anonymous   The Engineers' Examination of the
                                  Niagara Suspension Bridge  . . . . . . . 225--225
                      Anonymous   Singular Explosion of an Electrical
                                  Machine  . . . . . . . . . . . . . . . . 225--225
                      Anonymous   The Great Suspension Bridge Between New
                                  York and Brooklyn  . . . . . . . . . . . 225--225
                      Anonymous   A Screw Snow Plow  . . . . . . . . . . . 226--226
                      Anonymous   Photographer's Retouching Desk . . . . . 226--226
                      Anonymous   A New Soda-Carbonating Apparatus . . . . 226--226
                      Anonymous   The Propagation of Nerve Excitements . . 227--227
                      Anonymous   Improved Grain Sampler . . . . . . . . . 227--228
                      Anonymous   Communications . . . . . . . . . . . . . 228--229
                      Anonymous   New Mode of Stopping Leaks in Boiler
                                  Tubes  . . . . . . . . . . . . . . . . . 230--230
                      Anonymous   A New Perfume Bottle . . . . . . . . . . 230--230
                      Anonymous   Robertson's Cradle Attachment for
                                  Bedsteads  . . . . . . . . . . . . . . . 230--230
                      Anonymous   Adee's Improved Trap . . . . . . . . . . 230--230
                      Anonymous   The City of Florence, Italy  . . . . . . 231--233
                      Anonymous   Decisions of the Courts  . . . . . . . . 233--234
                      Anonymous   Recent American and Foreign Patents  . . 234--234
                      Anonymous   New Miscellaneous Inventions . . . . . . 234--234
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 234--234
                      Anonymous   New Textile Invention  . . . . . . . . . 234--234
                      Anonymous   New Agricultural Inventions  . . . . . . 234--234
                      Anonymous   Communications Received  . . . . . . . . 236--236

Scientific American
Volume 36, Number 16, April 21, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 250--250
                      Anonymous   Notes and Queries  . . . . . . . . . . . 250--252
                      Anonymous   Index of Inventions  . . . . . . . . . . 252--252
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 254--254
                      Anonymous   Torpedo Launch Warfare . . . . . . . . . 239--240
                      Anonymous   Darwin on the Effects of Cross and Self
                                  Fertilization in Plants  . . . . . . . . 240--240
                      Anonymous   The Transmission of Correct Time . . . . 240--241
                      Anonymous   The Utilization of Rats  . . . . . . . . 241--241
                      Anonymous   A Fifty Thousand Dollar Botch that the
                                  People Paid for  . . . . . . . . . . . . 241--241
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 242--242
                      Anonymous   Organs, Old and New  . . . . . . . . . . 242--244
                      Anonymous   Communications . . . . . . . . . . . . . 244--247
                      Anonymous   Central African Habitations  . . . . . . 247--249
                      Anonymous   Recent American and Foreign Patents  . . 249--249
                      Anonymous   New Miscellaneous Inventions . . . . . . 249--249
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 249--249
                      Anonymous   New Agricultural Inventions  . . . . . . 249--249
                      Anonymous   New Household Inventions . . . . . . . . 249--249
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 249--249
                      Anonymous   New Textile Invention  . . . . . . . . . 249--250
                      Anonymous   Communications Received  . . . . . . . . 252--252

Scientific American
Volume 36, Number 17, April 28, 1877

                      Anonymous   Books: New Books and Publications  . . . 266--266
                      Anonymous   Business and Personal  . . . . . . . . . 267--267
                      Anonymous   Notes and Queries: Notes & Queries  . . . 267--268
                      Anonymous   Index of Inventions  . . . . . . . . . . 268--268
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 270--270
                      Anonymous   Improved Gap Lathe . . . . . . . . . . . 255--255
                      Anonymous   A Bull on the Track  . . . . . . . . . . 256--256
                      Anonymous   Dual Life  . . . . . . . . . . . . . . . 256--256
                      Anonymous   The Centennial Surplus . . . . . . . . . 256--257
                      Anonymous   Alleged Magneto-Photography  . . . . . . 257--257
                      Anonymous   Remarkable Results of Evaporation and
                                  Rainfall . . . . . . . . . . . . . . . . 257--258
                      Anonymous   Straightening Saws . . . . . . . . . . . 259--260
                      Anonymous   Communications . . . . . . . . . . . . . 260--260
                    C. V. Riley   Important Observations on the Rocky
                                  Mountain Locust, Or ``Grasshopper'' Pest
                                  of the West  . . . . . . . . . . . . . . 260--261
                      Anonymous   The British Ironclad Alexandra . . . . . 261--261
                      Anonymous   A New Hydraulic Engine . . . . . . . . . 262--262
                      Anonymous   Martin's Gas Regulator for Steam Boilers 262--262
                      Anonymous   Improved Yard Stick and Bias Measure . . 262--262
                      Anonymous   Professor Gray's Telephone . . . . . . . 263--263
                      Anonymous   The Friction of Plain Slide Valves . . . 264--265
                      Anonymous   The Cat Teaser . . . . . . . . . . . . . 265--266
                      Anonymous   Recent American and Foreign Patents  . . 266--266
                      Anonymous   New Miscellaneous Inventions . . . . . . 266--266
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 266--266
                      Anonymous   Communications Received  . . . . . . . . 268--268

Scientific American
Volume 36, Number 18, May 5, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 283--283
                      Anonymous   Notes and Queries  . . . . . . . . . . . 283--284
                      Anonymous   Index of Inventions  . . . . . . . . . . 284--284
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 286--286
                      Anonymous   Improved Brick Machine . . . . . . . . . 271--272
                      Anonymous   The European War as Affecting American
                                  Inventors and Farmers  . . . . . . . . . 272--272
                      Anonymous   Hotel Fires  . . . . . . . . . . . . . . 272--273
                      Anonymous   Our Iron Shipbuilding Industry . . . . . 273--273
                      Anonymous   The Advancement in Microscopy in the
                                  United States  . . . . . . . . . . . . . 273--273
                      Anonymous   A Novel Life Preserver . . . . . . . . . 274--274
                      Anonymous   Improved Water Elevator  . . . . . . . . 274--275
                      Anonymous   The Dexter Scroll Saw, Emery Grinder,
                                  and Polisher . . . . . . . . . . . . . . 275--275
                      Anonymous   Device for Holding Door Knob Screws  . . 275--275
                      Anonymous   Communications . . . . . . . . . . . . . 276--276
                    C. V. Riley   Experiments with Locust Eggs, and
                                  Conclusions Drawn Therefrom  . . . . . . 276--277
                      Anonymous   The Exportation of American Meat to
                                  England  . . . . . . . . . . . . . . . . 278--280
                      Anonymous   Astronomical Notes . . . . . . . . . . . 280--280
                      Anonymous   New York Academy of Sciences . . . . . . 281--282
                      Anonymous   Recent American and Foreign Patents  . . 282--282
                      Anonymous   New Miscellaneous Inventions . . . . . . 282--282
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 282--282
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 282--282
                      Anonymous   New Agricultural Inventions  . . . . . . 282--282
                      Anonymous   Communications Received  . . . . . . . . 284--284

Scientific American
Volume 36, Number 19, May 12, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 299--299
                      Anonymous   Notes and Queries  . . . . . . . . . . . 299--300
                      Anonymous   Index of Inventions  . . . . . . . . . . 300--300
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 302--302
                      Anonymous   Lands Below the Ocean Level  . . . . . . 288--288
                      Anonymous   The Thorneycroft Fast Launches . . . . . 288--288
                      Anonymous   The Permanent Supply Water Works of
                                  Baltimore  . . . . . . . . . . . . . . . 288--289
                      Anonymous   What is a Temporary Star?  . . . . . . . 289--290
                      Anonymous   The Manufacture of Silverware  . . . . . 290--293
                      Anonymous   Communications . . . . . . . . . . . . . 292--292
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 293--294
                      Anonymous   Improved Fire Escape . . . . . . . . . . 294--294
                      Anonymous   Improved Calculating Machine . . . . . . 294--295
                      Anonymous   Baby Brutes  . . . . . . . . . . . . . . 295--296
                      Anonymous   A Curious Piece of Mechanical
                                  Manipulation. --- Cutting Right or Left
                                  Hand Threads with Right Hand Dies  . . . 296--297
                      Anonymous   Decisions of the Courts  . . . . . . . . 297--298
                      Anonymous   Recent American and Foreign Patents  . . 298--298
                      Anonymous   New Household Inventions . . . . . . . . 298--298
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 298--298
                      Anonymous   New Miscellaneous Inventions . . . . . . 298--298
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 298--298
                      Anonymous   New Agricultural Inventions  . . . . . . 298--300
                      Anonymous   Communications Received  . . . . . . . . 300--300

Scientific American
Volume 36, Number 20, May 19, 1877

                      Anonymous   Books: New Books and Publications  . . . 313--313
                      Anonymous   Business and Personal  . . . . . . . . . 315--315
                      Anonymous   Notes and Queries  . . . . . . . . . . . 315--316
                      Anonymous   Index of Inventions  . . . . . . . . . . 316--316
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 318--318
                      Anonymous   New Lithographic Stone-Dressing Machine  303--303
                      Anonymous   Portable Steam Engine  . . . . . . . . . 303--303
                      Anonymous   Recent Improvements in Photography . . . 304--304
                      Anonymous   Neuralgic Storm Belts  . . . . . . . . . 304--304
                      Anonymous   A New Explosive Compound for Large Guns  304--305
                      Anonymous   Why Fresh Water Fish Cannot Live in Salt
                                  Water  . . . . . . . . . . . . . . . . . 305--305
                      Anonymous   ``Lost his Ambition''  . . . . . . . . . 305--305
                      Anonymous   Water Held in a Cage and Boiled in a
                                  Sieve  . . . . . . . . . . . . . . . . . 306--306
                      Anonymous   A New Experiment for the Synthesis of
                                  Sunlight . . . . . . . . . . . . . . . . 306--306
                      Anonymous   Improved Fish Scaler . . . . . . . . . . 306--306
                      Anonymous   The Papyrus or Paper Reed  . . . . . . . 307--307
                      Anonymous   Communications . . . . . . . . . . . . . 308--308
                      Anonymous   How to do it, and How not to do it . . . 309--309
                      Anonymous   Improved High Speed Dry Air Compressor   310--310
                      Anonymous   Kenyon's Adjustable Rubber Bucket for
                                  Chain Pumps  . . . . . . . . . . . . . . 310--310
                      Anonymous   Combined Pipe Tongs, Wrench, and
                                  Screwdriver  . . . . . . . . . . . . . . 310--310
                      Anonymous   A Remarkable Kingfisher  . . . . . . . . 311--313
                      Anonymous   Decisions of the Courts  . . . . . . . . 313--313
                      Anonymous   Recent American and Foreign Patents  . . 313--313
                      Anonymous   New Miscellaneous Inventions . . . . . . 313--314
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 314--314
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 314--314
                      Anonymous   New Agricultural Inventions  . . . . . . 314--314
                      Anonymous   New Textile Invention  . . . . . . . . . 314--314
                      Anonymous   New Household Inventions . . . . . . . . 314--314
                      Anonymous   Communications Received  . . . . . . . . 316--316

Scientific American
Volume 36, Number 21, May 26, 1877

                      Anonymous   Books: New Books and Publications  . . . 329--329
                      Anonymous   Business and Personal  . . . . . . . . . 331--331
                      Anonymous   Notes and Queries  . . . . . . . . . . . 331--332
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 334--334
                      Anonymous   The Delaware and Lackawanna Tunnel
                                  through Bergen Hill, N.J.  . . . . . . . 319--319
                      Anonymous   The Rise of the Sewing Machine . . . . . 320--321
                      Anonymous   The Fate of the Last Man . . . . . . . . 321--321
                      Anonymous   American Exhibitors at Paris . . . . . . 321--321
                      Anonymous   The Alhydric Chain . . . . . . . . . . . 322--322
                      Anonymous   Improved Steam Chest Seat Milling
                                  Machine  . . . . . . . . . . . . . . . . 322--322
                      Anonymous   A Persian Royal Pavilion . . . . . . . . 323--323
                      Anonymous   Communications . . . . . . . . . . . . . 324--325
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 325--325
                      Anonymous   Pompeii  . . . . . . . . . . . . . . . . 326--329
                      Anonymous   New York Academy of Sciences . . . . . . 329--329
                      Anonymous   Recent American and Foreign Patents  . . 329--329
                      Anonymous   New Miscellaneous Inventions . . . . . . 329--330
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 330--330
                      Anonymous   New Textile Invention  . . . . . . . . . 330--330
                      Anonymous   New Household Inventions . . . . . . . . 330--330
                      Anonymous   Communications Received  . . . . . . . . 332--332

Scientific American
Volume 36, Number 22, June 2, 1877

                      Anonymous   Books: New Books and Publications  . . . 345--345
                      Anonymous   Business and Personal  . . . . . . . . . 347--347
                      Anonymous   Notes and Queries  . . . . . . . . . . . 347--348
                      Anonymous   Index of Inventions  . . . . . . . . . . 348--348
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 350--350
                      Anonymous   New Life-Saving Inventions . . . . . . . 335--335
                      Anonymous   The Human Machine and its Fuel . . . . . 336--336
                      Anonymous   Wanted-Torpedo Defences  . . . . . . . . 336--337
                      G. Gakuma   Torpedoes  . . . . . . . . . . . . . . . 337--337
                      Anonymous   Improved Friction Hoisting Engines . . . 338--338
                      Anonymous   Two New Utilizations of Paper Pulp . . . 339--339
                      Anonymous   The New Godefroy Burner  . . . . . . . . 339--339
                      Anonymous   The Electric Candle  . . . . . . . . . . 339--340
                      Anonymous   Communications . . . . . . . . . . . . . 340--341
                   Henry Morton   Projection of Interference Colors from
                                  Soap Films . . . . . . . . . . . . . . . 341--341
                      Anonymous   Astronomical Notes . . . . . . . . . . . 341--341
                      Anonymous   Grant's Improved Horse Hay Fork  . . . . 341--341
                      Anonymous   A Wonderful Watch  . . . . . . . . . . . 342--342
                      Anonymous   Professor R. H. Thurston's Autographic
                                  Testing Machine  . . . . . . . . . . . . 342--342
                      Anonymous   The Fountains at Aranjuez  . . . . . . . 343--343
                      Anonymous   Californian Sea Lions  . . . . . . . . . 343--344
                      Anonymous   New York Academy of Sciences . . . . . . 345--345
                      Anonymous   International Postal Order System  . . . 345--345
                      Anonymous   Recent American and Foreign Patents  . . 345--345
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 345--346
                      Anonymous   New Agricultural Inventions  . . . . . . 346--346
                      Anonymous   New Household Inventions . . . . . . . . 346--346
                      Anonymous   New Miscellaneous Inventions . . . . . . 346--346
                      Anonymous   Communications Received  . . . . . . . . 348--348

Scientific American
Volume 36, Number 23, June 9, 1877

                      Anonymous   Books: New Books and Publications  . . . 360--360
                      Anonymous   Business and Personal  . . . . . . . . . 362--362
                      Anonymous   Notes and Queries  . . . . . . . . . . . 362--364
                      Anonymous   Index of Inventions  . . . . . . . . . . 364--364
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 366--366
                      Anonymous   The Speaking Telephone in New York . . . 351--351
                      Anonymous   Wiggins' Improved Relief and Safety Stop
                                  Valve  . . . . . . . . . . . . . . . . . 351--351
                      Anonymous   The South Street Bridge, Philadelphia,
                                  PA . . . . . . . . . . . . . . . . . . . 351--351
                      Anonymous   Sewage Irrigation on a Small Scale . . . 352--352
                      Anonymous   Prevalent Manias . . . . . . . . . . . . 352--352
                      Anonymous   Safety Valve Tests . . . . . . . . . . . 352--353
                      Anonymous   Improved Machine for Stamping Leather
                                  Goods  . . . . . . . . . . . . . . . . . 355--355
                      Anonymous   A New Injector for Steam Boilers . . . . 355--355
                      Anonymous   A New Axe  . . . . . . . . . . . . . . . 355--355
                      Anonymous   Communications . . . . . . . . . . . . . 356--356
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 357--357
                      Anonymous   Improved Railroad Joint and Nut Lock . . 358--358
                      Anonymous   Mershon's Improved Rock Drill  . . . . . 358--358
                      Anonymous   A New Fumigator  . . . . . . . . . . . . 358--358
                      Anonymous   A Snake-Eating Frog  . . . . . . . . . . 359--359
                      Anonymous   A Beautiful Fern . . . . . . . . . . . . 359--360
                      Anonymous   New York Academy of Sciences . . . . . . 360--360
                      Anonymous   Decisions of the Courts  . . . . . . . . 360--361
                      Anonymous   Recent American and Foreign Patents  . . 361--361
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 361--361
                      Anonymous   New Miscellaneous Inventions . . . . . . 361--361
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 361--361
                      Anonymous   Communications Received  . . . . . . . . 362--362

Scientific American
Volume 36, Number 24, June 16, 1877

                      Anonymous   Books: New Books and Publications  . . . 377--377
                      Anonymous   Business and Personal  . . . . . . . . . 379--379
                      Anonymous   Notes and Queries  . . . . . . . . . . . 379--380
                      Anonymous   Index of Inventions  . . . . . . . . . . 380--380
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 382--382
                      Anonymous   Sewage Utilization Near Paris  . . . . . 367--367
                      Anonymous   Progress of Electric Illumination  . . . 368--368
                      Anonymous   Sailing Against the Wind . . . . . . . . 368--368
                      Anonymous   Passage of the New German Patent Law . . 368--369
                      Anonymous   Taxing Power of the Legislature  . . . . 369--369
                      Anonymous   Zinc-Lined Water Coolers . . . . . . . . 369--369
                      Anonymous   Quadruplex Telegraphy  . . . . . . . . . 369--369
                    C. V. Riley   Locust Prospects . . . . . . . . . . . . 369--369
                      Anonymous   New Turkish Ironclad . . . . . . . . . . 370--370
                      Anonymous   Pipe Tools . . . . . . . . . . . . . . . 371--371
                      Anonymous   Communications . . . . . . . . . . . . . 372--372
                      Anonymous   Gauges . . . . . . . . . . . . . . . . . 372--373
                      Anonymous   New Feathering Paddle Wheel  . . . . . . 374--374
                      Anonymous   Wilkinson's Improved Liquid Measure  . . 374--374
                      Anonymous   Improved Machine for Shaping Springs . . 374--374
                      Anonymous   Peruvian Antiquities . . . . . . . . . . 375--377
                      Anonymous   Decisions of the Courts  . . . . . . . . 377--378
                      Anonymous   Recent American and Foreign Patents  . . 378--378
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 378--378
                      Anonymous   New Household Inventions . . . . . . . . 378--378
                      Anonymous   New Miscellaneous Inventions . . . . . . 378--378
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 378--378
                      Anonymous   New Agricultural Inventions  . . . . . . 378--378

Scientific American
Volume 36, Number 25, June 23, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 395--395
                      Anonymous   Notes and Queries  . . . . . . . . . . . 395--396
                      Anonymous   Index of Inventions  . . . . . . . . . . 396--396
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 398--398
                      Anonymous   Improved Fire-Extinguishing Apparatus
                                  for Vessels  . . . . . . . . . . . . . . 383--384
                      Anonymous   Blue Glass Blindness . . . . . . . . . . 384--384
                      Anonymous   Drunk or Diseased? . . . . . . . . . . . 384--384
                      Anonymous   About Gravestones  . . . . . . . . . . . 384--385
                      Anonymous   Helping Inventors  . . . . . . . . . . . 385--385
                      Anonymous   Lightning Rods . . . . . . . . . . . . . 385--385
                      Anonymous   Improved Diagonal Planing and Polishing
                                  Machine  . . . . . . . . . . . . . . . . 386--386
                      Anonymous   Improved Calf Muzzle . . . . . . . . . . 386--386
                      Anonymous   Improved Horse Boot  . . . . . . . . . . 386--386
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 387--388
                      Anonymous   Communications . . . . . . . . . . . . . 388--389
                      Anonymous   The New Grain Elevator in New York City  390--391
                    C. V. Riley   The Hellgrammite . . . . . . . . . . . . 392--393
                      Anonymous   Decisions of the Courts  . . . . . . . . 393--394
                      Anonymous   Recent American and Foreign Patents  . . 394--394
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 394--394
                      Anonymous   New Miscellaneous Inventions . . . . . . 394--394
                      Anonymous   New Textile Invention  . . . . . . . . . 394--394
                      Anonymous   New Agricultural Inventions  . . . . . . 394--394
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 394--394
                      Anonymous   Communications Received  . . . . . . . . 396--396

Scientific American
Volume 36, Number 26, June 30, 1877

                      Anonymous   Books: New Books and Publications  . . . 409--409
                      Anonymous   Business and Personal  . . . . . . . . . 410--410
                      Anonymous   Notes and Queries  . . . . . . . . . . . 410--410
                      Anonymous   Index of Inventions  . . . . . . . . . . 410--412
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 414--414
                      Anonymous   A Steam Navvy  . . . . . . . . . . . . . 399--399
                      Anonymous   The Limits and Powers of Vision  . . . . 400--400
                      Anonymous   Trance . . . . . . . . . . . . . . . . . 400--401
                      Anonymous   The Banian Tree  . . . . . . . . . . . . 401--401
                      Anonymous   Volpicelli's New Theory of
                                  Electro-Static Induction . . . . . . . . 401--401
                      Anonymous   Manufacture of the Harvey Torpedo  . . . 402--402
                      Anonymous   Improved Paper-Pulp Engine . . . . . . . 403--403
                      Anonymous   Pneumatic Elevation in Mines . . . . . . 403--404
                      Anonymous   Communications . . . . . . . . . . . . . 404--404
                  E. J. Hallock   A New Lecture Experiment . . . . . . . . 405--405
                      Anonymous   The Secrets of the Mysterious Clocks . . 405--405
                      Anonymous   Frost's Variety Self-Centering Chuck . . 406--406
                      Anonymous   A New Method of Secret Writing . . . . . 406--406
                      Anonymous   Improved Ballasting Tube for Vessels . . 406--406
                      Anonymous   Improved Gauge . . . . . . . . . . . . . 406--406
                      Anonymous   An Interesting Marmoset  . . . . . . . . 407--407
                      Anonymous   An Artificial Mammoth  . . . . . . . . . 407--409
                      Anonymous   Decisions of the Courts  . . . . . . . . 409--409
                      Anonymous   Recent American and Foreign Patents  . . 409--409
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 409--409
                      Anonymous   New Household Inventions . . . . . . . . 409--409
                      Anonymous   New Miscellaneous Inventions . . . . . . 409--409
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 409--409
                      Anonymous   New Agricultural Inventions  . . . . . . 409--409
                      Anonymous   Communications Received  . . . . . . . . 410--410


Scientific American
Volume 37, Number 1, July 7, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 11--11
                      Anonymous   Notes and Queries: Notes & Queries  . . . 11--12
                      Anonymous   Index of Inventions  . . . . . . . . . . 12--12
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 14--14
                      Anonymous   A Mew Method of Steamboat Propulsion . . 1--1
                      Anonymous   The Nature of Pain . . . . . . . . . . . 2--2
                      Anonymous   Scientific Sight-Seeing  . . . . . . . . 2--2
                      Anonymous   Croup Due To Miasma  . . . . . . . . . . 2--3
                      Anonymous   The Torpedo Defence Problem  . . . . . . 3--3
                      Anonymous   A New System of Petroleum Storage  . . . 4--5
                      Anonymous   A New Mechanical Butter-Worker . . . . . 5--5
                      Anonymous   Improved Shot Bag and Charger  . . . . . 6--6
                      Anonymous   A New Hot-Air Engine . . . . . . . . . . 6--6
                      Anonymous   Improved Pressure Gauge  . . . . . . . . 6--6
                      Anonymous   An Australian Gull . . . . . . . . . . . 7--7
                      Anonymous   The Fountains at Aranjuez  . . . . . . . 7--7
                      Anonymous   The Penguins . . . . . . . . . . . . . . 7--7
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 8--8
                      Anonymous   Communications . . . . . . . . . . . . . 9--9
                      Anonymous   Astronomical Notes . . . . . . . . . . . 9--10
                      Anonymous   Decisions of the Courts  . . . . . . . . 10--10
                      Anonymous   Recent American and Foreign Patents  . . 10--10
                      Anonymous   New Agricultural Inventions  . . . . . . 10--10
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 10--10
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 10--10
                      Anonymous   New Miscellaneous Inventions . . . . . . 10--10
                      Anonymous   Communications Received  . . . . . . . . 12--12

Scientific American
Volume 37, Number 2, July 14, 1877

                      Anonymous   Books: New Books and Publications  . . . 25--25
                      Anonymous   Business and Personal  . . . . . . . . . 27--27
                      Anonymous   Notes and Queries  . . . . . . . . . . . 27--28
                      Anonymous   Index of Inventions  . . . . . . . . . . 28--28
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 30--30
                      Anonymous   Bower's Patent Air Compressor  . . . . . 15--15
                      Anonymous   Carrying Peace into Africa . . . . . . . 16--16
                      Anonymous   Address of Clarence King on
                                  Catastrophism  . . . . . . . . . . . . . 16--17
                      Anonymous   Duplex Education . . . . . . . . . . . . 17--17
                      Anonymous   The Carrigeen Crop . . . . . . . . . . . 17--17
                      Anonymous   Catastrophism in Geology . . . . . . . . 17--17
                      Anonymous   A New Apparatus for Storing and
                                  Utilizing Solar Heat . . . . . . . . . . 18--18
                      Anonymous   Utilization of Tin Scrap . . . . . . . . 18--18
                      Anonymous   A New Method of Bookbinding  . . . . . . 19--19
                      Anonymous   Improved Curtain Fixture . . . . . . . . 19--19
                      Anonymous   Boot and Shoe Machinery  . . . . . . . . 19--20
                    Joshua Rose   Setting Locomotive Slide Valves  . . . . 21--21
                      Anonymous   Collender's Improved Billiard Table  . . 22--22
                      Anonymous   Improved Billiard Ball Holder  . . . . . 22--22
                      Anonymous   The Monitor Chalk Cup  . . . . . . . . . 22--22
                      Anonymous   Curious Carnivorous Plants . . . . . . . 23--25
                      Anonymous   Decisions of the Courts  . . . . . . . . 25--25
                      Anonymous   Recent American and Foreign Patents  . . 25--25
                      Anonymous   New Agricultural Inventions  . . . . . . 25--26
                      Anonymous   New Textile Inventions . . . . . . . . . 26--26
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 26--26
                      Anonymous   New Household Inventions . . . . . . . . 26--26
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 26--26
                      Anonymous   New Miscellaneous Inventions . . . . . . 26--26
                      Anonymous   Communications Received  . . . . . . . . 28--28

Scientific American
Volume 37, Number 3, July 21, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 43--43
                      Anonymous   Notes and Queries  . . . . . . . . . . . 43--44
                      Anonymous   Index of Inventions  . . . . . . . . . . 44--44
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 46--46
                      Anonymous   The Manufacture of Sheet Lead and Lead
                                  Pipe . . . . . . . . . . . . . . . . . . 31--31
                      Anonymous   An Inexact Science . . . . . . . . . . . 32--32
                      Anonymous   The Great Problem  . . . . . . . . . . . 32--33
                      Anonymous   The Physical Characteristics of American
                                  Children . . . . . . . . . . . . . . . . 33--33
                      Anonymous   Large Locomotive Crane . . . . . . . . . 34--35
                      Anonymous   The Great Eruption at Hawaii . . . . . . 35--35
                      Anonymous   Communications . . . . . . . . . . . . . 36--37
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 37--37
                      Anonymous   Improved Horse Collar Stuffing Machine   38--38
                      Anonymous   A Gaspipe Bedstead . . . . . . . . . . . 38--38
                      Anonymous   New Ice Tongs  . . . . . . . . . . . . . 38--38
                      Anonymous   Steam Glue-Heating Apparatus . . . . . . 38--38
                      Anonymous   Torpedo Warfare  . . . . . . . . . . . . 39--40
                      Anonymous   Are the Aniline Dyes Injurious to
                                  Health?  . . . . . . . . . . . . . . . . 40--41
                      Anonymous   Decisions of the Courts  . . . . . . . . 41--41
                      Anonymous   Recent American and Foreign Patents  . . 42--42
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 42--42
                      Anonymous   New Textile Inventions . . . . . . . . . 42--42
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 42--42
                      Anonymous   New Agricultural Inventions  . . . . . . 42--42
                      Anonymous   New Household Inventions . . . . . . . . 42--42
                      Anonymous   New Miscellaneous Inventions . . . . . . 42--42
                      Anonymous   Communications Received  . . . . . . . . 44--44

Scientific American
Volume 37, Number 4, July 28, 1877

                      Anonymous   Books: New Books and Publications  . . . 57--57
                      Anonymous   Business and Personal  . . . . . . . . . 59--59
                      Anonymous   Notes and Queries  . . . . . . . . . . . 59--60
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 62--62
                      Anonymous   The Manufacture of Shot  . . . . . . . . 47--47
                      Anonymous   The Latest British Naval Failure . . . . 48--48
                      Anonymous   Glimpses of Atlantis . . . . . . . . . . 48--49
                      Anonymous   An English Mechanic on American Machines 49--49
                      Anonymous   Progress of the Mississippi Jetty Works  49--49
                      Anonymous   American Representation at the French
                                  Exposition . . . . . . . . . . . . . . . 49--49
                      Anonymous   Fast Freight Railway Trains  . . . . . . 49--49
                      Anonymous   A Swiss Steam Tramway Car  . . . . . . . 50--50
                      Anonymous   Improved Faucet  . . . . . . . . . . . . 50--50
                      Anonymous   Improved Metal Punching Machine  . . . . 50--50
                      Anonymous   Improved Running Gear for Wagons . . . . 51--51
                      Anonymous   Angle Iron Bending Machine . . . . . . . 51--51
                      Anonymous   Science and Schools  . . . . . . . . . . 52--52
                      Anonymous   Setting Work After Casehardening . . . . 53--53
                      Anonymous   Graves' Improved Oil Can . . . . . . . . 54--54
                      Anonymous   Horse Detacher . . . . . . . . . . . . . 54--54
                      Anonymous   Novel Life Boat  . . . . . . . . . . . . 54--54
                      Anonymous   The Tunny  . . . . . . . . . . . . . . . 55--55
                      Anonymous   The Lantern Fly  . . . . . . . . . . . . 55--55
                      Anonymous   An Artificial Flower that Blooms . . . . 56--56
                      Anonymous   Brushes  . . . . . . . . . . . . . . . . 56--56
                      Anonymous   A Cigar-Cutting Cigar Box  . . . . . . . 56--57
                      Anonymous   Recent American and Foreign Patents  . . 58--58
                      Anonymous   New Agricultural Inventions  . . . . . . 58--58
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 58--58
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 58--58
                      Anonymous   New Miscellaneous Inventions . . . . . . 58--58
                      Anonymous   New Household Inventions . . . . . . . . 58--58
                      Anonymous   Communications Received  . . . . . . . . 60--60

Scientific American
Volume 37, Number 5, August 4, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 75--75
                      Anonymous   Notes and Queries  . . . . . . . . . . . 75--76
                      Anonymous   Index of Inventions  . . . . . . . . . . 76--76
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 78--78
                      Anonymous   Cable Making of the East River Bridge    63--63
                      Anonymous   Torpedo Defence --- Invention Wanted . . 64--64
                      Anonymous   Notes of Patent Office Decisions . . . . 64--64
                      Anonymous   Recent Great Improvements in Electric
                                  Illumination . . . . . . . . . . . . . . 64--65
                      Anonymous   New Investigations on Copper Alloys  . . 65--65
                      Anonymous   Balancing Emery Wheels . . . . . . . . . 65--65
                      Anonymous   The Great Railroad Strikes . . . . . . . 65--65
                      Anonymous   A Rotary Mould Board Plow  . . . . . . . 66--66
                      Anonymous   Apparatus for Preparing Butter for
                                  Packing  . . . . . . . . . . . . . . . . 66--66
                      Anonymous   Improved Grain Scale . . . . . . . . . . 66--66
                      Anonymous   A New Dynamometer  . . . . . . . . . . . 66--66
                      Anonymous   The American Toad  . . . . . . . . . . . 67--67
                      Anonymous   The Vapart Disintegrator . . . . . . . . 67--68
                      Anonymous   Communications . . . . . . . . . . . . . 68--69
                      Anonymous   New Pump . . . . . . . . . . . . . . . . 70--70
                      Anonymous   Improved Chicken Coop  . . . . . . . . . 70--70
                      Anonymous   Spelman's Improved Rowlock . . . . . . . 70--70
                      Anonymous   The Carolina Lizard  . . . . . . . . . . 71--71
                      Anonymous   The Sea Monster  . . . . . . . . . . . . 71--71
                      Anonymous   The Mole Cricket . . . . . . . . . . . . 71--72
                      Anonymous   A Self-Cooling Goblet  . . . . . . . . . 72--74
                      Anonymous   Recent American and Foreign Patents  . . 74--74
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 74--74
                      Anonymous   New Miscellaneous Inventions . . . . . . 74--74
                      Anonymous   New Woodworking House and Carriage
                                  Building Inventions  . . . . . . . . . . 74--74
                      Anonymous   New Agricultural Inventions  . . . . . . 74--74
                      Anonymous   New Household Inventions . . . . . . . . 74--74
                      Anonymous   Communications Received  . . . . . . . . 76--76

Scientific American
Volume 37, Number 6, August 11, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 91--91
                      Anonymous   Notes and Queries  . . . . . . . . . . . 91--92
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--92
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 94--94
                      Anonymous   Despaquls' Photo-Engraving Process . . . 79--79
                      Anonymous   Cable Fastenings of the East River
                                  Bridge . . . . . . . . . . . . . . . . . 79--79
                      Anonymous   The Degradation of Labor . . . . . . . . 80--80
                      Anonymous   Iron and Steel in Railway Car
                                  Construction . . . . . . . . . . . . . . 80--80
                      Anonymous   About Sparrows . . . . . . . . . . . . . 80--81
                      Anonymous   Selling Patents by Auction . . . . . . . 81--81
                      Anonymous   The Howgate Polar Colony . . . . . . . . 81--81
                      Anonymous   Chess  . . . . . . . . . . . . . . . . . 81--81
                      Anonymous   A New Telephone  . . . . . . . . . . . . 83--83
                      Anonymous   Improved Donkey Pump . . . . . . . . . . 83--83
                      Anonymous   Communications . . . . . . . . . . . . . 84--85
                      Anonymous   Astronomical Notes . . . . . . . . . . . 85--85
                      Anonymous   Postage Stamp Canceller  . . . . . . . . 86--86
                      Anonymous   Browne's Book Cover Protector  . . . . . 86--86
                      Anonymous   Improved Log Turner  . . . . . . . . . . 86--86
                      Anonymous   Micrometer Caliper . . . . . . . . . . . 86--86
                   C. Few Seiss   The Brown Bat  . . . . . . . . . . . . . 87--87
                      Anonymous   Wood Engraving in Japan  . . . . . . . . 87--87
                      Anonymous   Knives . . . . . . . . . . . . . . . . . 88--88
                      Anonymous   Exterminating Moles  . . . . . . . . . . 88--88
                      Anonymous   The Watch --- Its Invention and History  89--89
                      Anonymous   Recent American and Foreign Patents  . . 90--90
                      Anonymous   New Miscellaneous Inventions . . . . . . 90--90
                      Anonymous   New Household Inventions . . . . . . . . 90--90
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 90--90
                      Anonymous   New Agricultural Inventions  . . . . . . 90--90
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 90--90
                      Anonymous   Communications Received  . . . . . . . . 92--92

Scientific American
Volume 37, Number 7, August 18, 1877

                      Anonymous   Books: New Books and Publications  . . . 105--105
                      Anonymous   Business and Personal  . . . . . . . . . 107--107
                      Anonymous   Notes and Queries  . . . . . . . . . . . 107--108
                      Anonymous   Index of Inventions  . . . . . . . . . . 108--108
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 110--110
                      Anonymous   Improved Ice Machine . . . . . . . . . . 95--95
                      Anonymous   Poison Ivy and its Remedies  . . . . . . 96--96
                      Anonymous   A New Theory of the Solar Spectrum . . . 96--96
                      Anonymous   Discovery of Oxygen in the Sun by
                                  Photography  . . . . . . . . . . . . . . 96--96
                      Anonymous   An Electric Fire . . . . . . . . . . . . 96--97
                      Anonymous   Sunshine in London and New York  . . . . 97--97
                      Anonymous   Dimness of the Eyes  . . . . . . . . . . 97--97
                      Anonymous   Improved Washboiler  . . . . . . . . . . 98--98
                      Anonymous   Improved Dustpan . . . . . . . . . . . . 98--98
                      Anonymous   Improved Feed Cutter . . . . . . . . . . 98--98
                      Anonymous   Improved Concrete Mixer  . . . . . . . . 99--99
                      Anonymous   Communications . . . . . . . . . . . . . 100--100
                      Anonymous   The Watch --- Its Invention and History  101--101
                      Anonymous   Improved Carpet Loom . . . . . . . . . . 102--103
                   C. Few Seiss   The Water Snake --- How it Eats  . . . . 103--103
                      Anonymous   The Curly-Haired Antelope  . . . . . . . 103--104
                      Anonymous   Kid Gloves . . . . . . . . . . . . . . . 104--104
                      Anonymous   A Floating Flower Bed  . . . . . . . . . 104--105
                      Anonymous   Recent American and Foreign Patents  . . 106--106
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 106--106
                      Anonymous   New Miscellaneous Inventions . . . . . . 106--106
                      Anonymous   New Household Inventions . . . . . . . . 106--106
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 106--106
                      Anonymous   New Agricultural Inventions  . . . . . . 106--106
                      Anonymous   Communications Received  . . . . . . . . 108--108

Scientific American
Volume 37, Number 8, August 25, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 123--123
                      Anonymous   Notes and Queries  . . . . . . . . . . . 123--124
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--124
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 126--126
                      Anonymous   Radial Drilling Machine  . . . . . . . . 111--111
                      Anonymous   Fire Engine  . . . . . . . . . . . . . . 111--112
                      Anonymous   Dead Weight in Railway Cars  . . . . . . 112--112
                      Anonymous   Pens, Ink, and Pencils . . . . . . . . . 112--113
                      Anonymous   Some New Inventions Necessary for Future
                                  Astronomical Observations  . . . . . . . 113--113
                      Anonymous   Hereditary as a Factor in Pauperism and
                                  Crime  . . . . . . . . . . . . . . . . . 113--113
                      Anonymous   Keely Motor Stock at a Discount  . . . . 113--114
                      Anonymous   Machine for Forging Screw Threads  . . . 114--115
                      Anonymous   Improved Fodder Cutter . . . . . . . . . 115--115
                      Anonymous   Communications . . . . . . . . . . . . . 116--117
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 117--117
                      Anonymous   Improved Vehicle Wheel . . . . . . . . . 118--118
                      Anonymous   Improved Automatic Fog Signal  . . . . . 118--118
                      Anonymous   Improved Universal Square  . . . . . . . 118--118
                      Anonymous   How to Make Rustic Work  . . . . . . . . 119--120
                      Anonymous   A Geometrical Puzzle . . . . . . . . . . 120--120
                      Anonymous   Engraving on Glass . . . . . . . . . . . 120--120
                   C. Few Seiss   The Ash-Colored Salamander . . . . . . . 120--120
                      Anonymous   The Aleurometer --- Gluten Tester  . . . 120--120
                      Anonymous   The Watch --- Its Invention and History  121--121
                      Anonymous   Recent American and Foreign Patents  . . 121--121
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 121--122
                      Anonymous   New Miscellaneous Inventions . . . . . . 122--122
                      Anonymous   New Agricultural Inventions  . . . . . . 122--122
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 122--122
                      Anonymous   Communications Received  . . . . . . . . 124--124

Scientific American
Volume 37, Number 9, September 1, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 140--140
                      Anonymous   Notes and Queries  . . . . . . . . . . . 140--140
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 142--142
                      Anonymous   Electro-Plating Machinery  . . . . . . . 127--127
                      Anonymous   How Shall Railway Workmen Live?  . . . . 128--128
                      Anonymous   Early Connecticut Manufactures . . . . . 128--129
                      Anonymous   Notes of Patent Office Decisions . . . . 129--129
                      Anonymous   Muscular Contraction and Electricity . . 129--129
                      Anonymous   Boiler Test Challenge  . . . . . . . . . 129--129
                      Anonymous   Improved Hydraulic Hauling Machinery . . 130--130
                      Anonymous   The Manufacture of Needles . . . . . . . 131--132
                      Anonymous   Communications . . . . . . . . . . . . . 132--133
                      Anonymous   How to Re-Bore the Ends of Steam
                                  Cylinders  . . . . . . . . . . . . . . . 133--133
                      Anonymous   Astronomical Notes . . . . . . . . . . . 133--133
                      Anonymous   The Coventry Tricycle  . . . . . . . . . 134--134
                      Anonymous   Improved Mining Engine . . . . . . . . . 134--134
                      Anonymous   Anderson's Equilibrio Couch  . . . . . . 134--134
                      Anonymous   Snowy-Lipped Lady's Slipper  . . . . . . 135--135
                      Anonymous   Low's Necklace Vanda . . . . . . . . . . 135--135
                      Anonymous   The Gorilla  . . . . . . . . . . . . . . 135--136
                      Anonymous   The Study of the Diseases of the Human
                                  Voice  . . . . . . . . . . . . . . . . . 136--136
            Colonel C. K. Huger   Rice --- How it is Prepared for Market   137--137
                      Anonymous   The Keely Motor Deception  . . . . . . . 137--137
                      Anonymous   Eburine  . . . . . . . . . . . . . . . . 137--137
                      Anonymous   Engine ``Spurts''  . . . . . . . . . . . 137--138
                      Anonymous   Recent American and Foreign Patents  . . 138--138
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 138--138
                      Anonymous   New Miscellaneous Inventions . . . . . . 138--139
                      Anonymous   New Agricultural Inventions  . . . . . . 139--139
                      Anonymous   New Textile Inventions . . . . . . . . . 139--139
                      Anonymous   New Household Inventions . . . . . . . . 139--139
                      Anonymous   Communications Received  . . . . . . . . 140--140

Scientific American
Volume 37, Number 10, September 8, 1877

                      Anonymous   Books: New Books and Publications  . . . 153--153
                      Anonymous   Business and Personal  . . . . . . . . . 155--155
                      Anonymous   Notes and Queries  . . . . . . . . . . . 155--156
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--156
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 158--158
                      Anonymous   Improved Board Cutting and Seasoning
                                  Machines . . . . . . . . . . . . . . . . 143--144
                      Anonymous   The Woodruff Scientific Expedition . . . 144--144
                      Anonymous   Discovery of Satellites of Mars  . . . . 144--144
                      Anonymous   Machine Honesty and its Circumvention    144--145
                      Anonymous   Food . . . . . . . . . . . . . . . . . . 145--145
                      Anonymous   Improved Overhead Sewing Machine . . . . 146--147
                      Anonymous   Improved Automatic Fly Fan . . . . . . . 147--147
                      Anonymous   Combined Push-Pin and Watch Key  . . . . 147--147
                      Anonymous   Improved Fastening Device for Billiard
                                  Cushion Rails  . . . . . . . . . . . . . 147--147
                      Anonymous   Communications . . . . . . . . . . . . . 148--149
                      Anonymous   A Fire Escape Accident . . . . . . . . . 149--149
                      Anonymous   Improved Steam Engine Governor . . . . . 150--150
                      Anonymous   Improved Rivet-Making Machine  . . . . . 150--150
                   C. Few Seiss   The Clamorous Frog . . . . . . . . . . . 151--151
                      Anonymous   The Iwakuni Bridge, Japan  . . . . . . . 151--152
                      Anonymous   Improved Germinating Apparatus . . . . . 152--152
                      Anonymous   Notes of Patent Office Decisions . . . . 152--152
                      Anonymous   Giant Lily . . . . . . . . . . . . . . . 152--153
                      Anonymous   Recent American and Foreign Patents  . . 153--153
                      Anonymous   New Household Inventions . . . . . . . . 153--153
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 153--154
                      Anonymous   New Miscellaneous Inventions . . . . . . 154--154
                      Anonymous   New Agricultural Inventions  . . . . . . 154--154
                      Anonymous   Communications Received  . . . . . . . . 156--156

Scientific American
Volume 37, Number 11, September 15, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 172--172
                      Anonymous   Notes and Queries  . . . . . . . . . . . 172--172
                      Anonymous   Index of Inventions  . . . . . . . . . . 172--172
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 174--174
                      Anonymous   Improved Railway Journal Boxes Wanted    159--159
                      Anonymous   Improved Method of Compressing Cotton    159--159
                      Anonymous   American Fruit in Foreign Markets  . . . 160--160
                      Anonymous   Indigestible Medicines . . . . . . . . . 160--160
                    James Orton   The Sugar Interest in Peru . . . . . . . 160--161
                      Anonymous   The Emigration of American Mechanics to
                                  England  . . . . . . . . . . . . . . . . 161--161
                      Anonymous   Progress of the \booktitleScientific
                                  American . . . . . . . . . . . . . . . . 161--161
                      Anonymous   Increasing the Flow of Springs . . . . . 161--161
                      Anonymous   Improved Farm Locomotives and Steam Road
                                  Rollers  . . . . . . . . . . . . . . . . 162--162
                      Anonymous   Combined Skimmer and Fork  . . . . . . . 163--163
                      Anonymous   Improved Hop Cultivator  . . . . . . . . 163--163
                      Anonymous   Allen's Improved Fire Escape . . . . . . 163--164
                      Anonymous   Communications . . . . . . . . . . . . . 164--164
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 165--165
                      Anonymous   Hoffman's Improved Beer Cask . . . . . . 166--166
                      Anonymous   Electrical Apparatus to Indicate
                                  Overstrain or Weakness in Bridges or
                                  Other Structures . . . . . . . . . . . . 166--166
                   C. Few Seiss   The Box Tortoise . . . . . . . . . . . . 167--167
                      Anonymous   Water Hogs . . . . . . . . . . . . . . . 167--167
                      Anonymous   The Cordonnier, or Cobbler Fish  . . . . 168--168
                      Anonymous   How to Chuck and Bore an Engine
                                  Crosshead  . . . . . . . . . . . . . . . 168--168
                      Anonymous   Simple Way to Make Ice . . . . . . . . . 168--168
                      Anonymous   Improved Glue Pot  . . . . . . . . . . . 168--170
                      Anonymous   Recent American and Foreign Patents  . . 170--170
                      Anonymous   New Household Inventions . . . . . . . . 170--170
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 170--170
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 170--171
                      Anonymous   New Miscellaneous Inventions . . . . . . 171--171
                      Anonymous   New Agricultural Inventions  . . . . . . 171--171
                      Anonymous   New Textile Inventions . . . . . . . . . 171--171
                      Anonymous   Communications Received  . . . . . . . . 172--172

Scientific American
Volume 37, Number 12, September 22, 1877

                      Anonymous   Books: New Books and Publications  . . . 185--185
                      Anonymous   Business and Personal  . . . . . . . . . 187--187
                      Anonymous   Notes and Queries  . . . . . . . . . . . 187--188
                      Anonymous   Index of Inventions  . . . . . . . . . . 188--188
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 190--190
                      Anonymous   The Manufacture of Covered Buttons . . . 175--176
                      Anonymous   Thiers and Contemporary Science in
                                  France . . . . . . . . . . . . . . . . . 176--176
                      Anonymous   Sargent's Case . . . . . . . . . . . . . 176--177
                      Anonymous   New Process for Electro-Plating  . . . . 177--177
                      Anonymous   The Electro-Silicic Light  . . . . . . . 177--177
                      Anonymous   Progress of Hardened Glass Making  . . . 177--177
                      Anonymous   Is Life a Mode of Motion?  . . . . . . . 177--177
                      Anonymous   The Torpedo Defense Question . . . . . . 177--177
                      Anonymous   Dr. Thomson on Embryology and Evolution  177--177
                      Anonymous   Improved Vertical Gas Engine . . . . . . 178--178
                      Anonymous   New Registering Thermometer  . . . . . . 179--179
                      Anonymous   New Hoisting Clamp for Building Stone    179--179
                      Anonymous   Science at the British Association . . . 179--179
                      Anonymous   Communications . . . . . . . . . . . . . 180--180
                      Anonymous   Ancient Life in America  . . . . . . . . 180--181
                      Anonymous   Improved Ball Check Valve for Sewers . . 182--182
                      Anonymous   Sherwood's Automatic Tea and Coffee Pot  182--182
                      Anonymous   Improved Needle Clamp for Sewing
                                  Machines . . . . . . . . . . . . . . . . 182--182
                      Anonymous   The Woodruff Scientific Expedition
                                  Steamer Ontario  . . . . . . . . . . . . 183--183
                      Anonymous   How to Prevent Grasshopper Raids . . . . 183--183
                      Anonymous   The Lontin Magneto-Electric Machine  . . 184--184
                      Anonymous   American Borax Production  . . . . . . . 184--185
                      Anonymous   Recent American and Foreign Patents  . . 185--185
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 185--185
                      Anonymous   New Household Inventions . . . . . . . . 185--185
                      Anonymous   New Miscellaneous Inventions . . . . . . 185--186
                      Anonymous   New Agricultural Inventions  . . . . . . 186--186
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 186--186
                      Anonymous   Communications Received  . . . . . . . . 188--188

Scientific American
Volume 37, Number 13, September 29, 1877

                      Anonymous   Books: New Books and Publications  . . . 201--201
                      Anonymous   Business and Personal  . . . . . . . . . 203--203
                      Anonymous   Notes and Queries  . . . . . . . . . . . 203--204
                      Anonymous   Index of Inventions  . . . . . . . . . . 204--204
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 206--206
                      Anonymous   Self-Acting Car Couplers, Preparation of
                                  Oxalic Acid from Parchment Paper . . . . 191--191
                      Anonymous   Vertical Compound Engine with Allison's
                                  Boiler . . . . . . . . . . . . . . . . . 191--191
                      Anonymous   Disgust  . . . . . . . . . . . . . . . . 192--192
                      Anonymous   Anomalies in the Temperature of the
                                  Boiling Point  . . . . . . . . . . . . . 192--192
                      Anonymous   Sun Spots and Famine . . . . . . . . . . 192--193
                      Anonymous   The Agricultural Value of Worms  . . . . 193--193
                      Anonymous   The International Rifle Contest  . . . . 193--193
                      Anonymous   Meteoric Heat  . . . . . . . . . . . . . 193--193
                      Anonymous   Influence of Light on the Electric
                                  Condition of Metals in Saline Solutions  193--193
               Theodore Berdell   Tellurium  . . . . . . . . . . . . . . . 194--194
                      Anonymous   Another Mysterious Clock . . . . . . . . 194--194
                      Anonymous   The Industrial Applications of the
                                  Electric Light . . . . . . . . . . . . . 195--196
                      Anonymous   Communications . . . . . . . . . . . . . 196--196
                      Anonymous   Science at the British Association . . . 197--197
                      Anonymous   Improved Car Coupling  . . . . . . . . . 198--198
                      Anonymous   Dillon's Halter Chain, and Trace
                                  Coupling . . . . . . . . . . . . . . . . 198--198
                    C. V. Riley   The Colorado Potato-Beetle in Europe.
                                  --- German Thoroughness  . . . . . . . . 198--198
                      Anonymous   Improved Sash Balance  . . . . . . . . . 198--198
                      Anonymous   The Birds of Paradise  . . . . . . . . . 199--200
                      Anonymous   A Chimneyless Stove  . . . . . . . . . . 200--200
                      Anonymous   The American Life Saver or Surf Car  . . 200--200
                      Anonymous   Trial of Military Appliances . . . . . . 200--200
                      Anonymous   Science at the British Association . . . 201--201
          John C. Goodrich, Jr.   Improvement in Manufacture of Beton  . . 201--201
                      Anonymous   Recent American and Foreign Patents  . . 201--201
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 201--202
                      Anonymous   New Miscellaneous Inventions . . . . . . 202--202
                      Anonymous   Communications Received  . . . . . . . . 204--204

Scientific American
Volume 37, Number 14, October 6, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 220--220
                      Anonymous   Notes and Queries  . . . . . . . . . . . 220--220
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--220
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 222--222
                      Anonymous   The New Bell Telephone . . . . . . . . . 207--207
                      Anonymous   Steam Railways in the Streets of New
                                  York . . . . . . . . . . . . . . . . . . 208--208
                      Anonymous   The Extension of Tea Culture . . . . . . 208--208
                      Anonymous   The Congo River  . . . . . . . . . . . . 208--209
                      Anonymous   Domestic Water Supply in the Country . . 209--209
                      Anonymous   Notes of Patent Office Decisions . . . . 209--209
                      Anonymous   Locomotive Wheel Sliding . . . . . . . . 209--209
                      Anonymous   Tax Collection by Machinery  . . . . . . 209--209
                      Anonymous   The Diplograph . . . . . . . . . . . . . 210--210
                      Anonymous   Improved Nail Forging Machine  . . . . . 210--211
                      Anonymous   Improved Mule Head Stocks  . . . . . . . 211--211
                      Anonymous   Drew's Improved Baker  . . . . . . . . . 211--211
                      Anonymous   Communication  . . . . . . . . . . . . . 212--213
                      Anonymous   Improved Miter Machine . . . . . . . . . 214--214
                      Anonymous   New Metal Grinding Machine . . . . . . . 214--215
                      Anonymous   The Wine Palm  . . . . . . . . . . . . . 215--215
                   C. Few Seiss   About Some Insects . . . . . . . . . . . 215--216
                      Anonymous   The Spontaneous Movements of the
                                  Hornwort . . . . . . . . . . . . . . . . 216--216
                      Anonymous   Beaudet's Improved Hinge . . . . . . . . 216--216
                      Anonymous   Astronomical Notes . . . . . . . . . . . 216--217
                      Anonymous   Recent American and Foreign Patents  . . 217--217
                      Anonymous   New Agricultural Inventions  . . . . . . 217--218
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 218--218
                      Anonymous   New Household Inventions . . . . . . . . 218--219
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 219--219
                      Anonymous   New Miscellaneous Inventions . . . . . . 219--219
                      Anonymous   Communications Received  . . . . . . . . 220--220

Scientific American
Volume 37, Number 15, October 13, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 236--236
                      Anonymous   Notes and Queries  . . . . . . . . . . . 236--236
                      Anonymous   Index of Inventions  . . . . . . . . . . 236--236
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 238--238
                      Anonymous   Aniline Dyes . . . . . . . . . . . . . . 223--223
                      Anonymous   The Manufacture of Wall Paper  . . . . . 223--223
                      Anonymous   The Fire in the U.S. Patent Office . . . 224--224
                      Anonymous   Leverrier and His Work . . . . . . . . . 224--224
                      Anonymous   Models Destroyed by the Patent Office
                                  Fire . . . . . . . . . . . . . . . . . . 224--225
                      Anonymous   Notes of Patent Office Decisions . . . . 225--225
                      Anonymous   Improved Apparatus for Testing Bank
                                  Checks . . . . . . . . . . . . . . . . . 227--227
                      Anonymous   Walker Brothers' Improved Scroll Saw . . 227--228
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 228--229
                      Anonymous   Improved Sleeping Car  . . . . . . . . . 230--230
                      Anonymous   Brown's Improved Cotton Stalk Puller . . 230--230
                   C. Few Seiss   The Skull of the Domestic Fowl . . . . . 231--231
                      Anonymous   \em Lomaria Dalgairnsae  . . . . . . . . 231--232
                      Anonymous   Signor Ignazio's ``Flying Man''  . . . . 232--232
                      Anonymous   New Smoke-Burning Furnace for Steam
                                  Boilers  . . . . . . . . . . . . . . . . 232--233
                      Anonymous   Recent American and Foreign Patents  . . 233--233
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 233--234
                      Anonymous   New Agricultural Inventions  . . . . . . 234--235
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 235--235
                      Anonymous   New Miscellaneous Inventions . . . . . . 235--235
                      Anonymous   Communications Received  . . . . . . . . 236--236

Scientific American
Volume 37, Number 16, October 20, 1877

                      Anonymous   Books: New Books and Publications  . . . 249--249
                      Anonymous   Business and Personal  . . . . . . . . . 251--251
                      Anonymous   Notes and Queries  . . . . . . . . . . . 251--252
                      Anonymous   Index of Inventions  . . . . . . . . . . 252--252
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 254--254
                      Anonymous   Fireless Locomotives for Street Railways 239--239
                      Anonymous   Star, Nebula or Meteorite  . . . . . . . 240--240
                      Anonymous   Practical Evolution  . . . . . . . . . . 240--240
                      Anonymous   The Abolition of Models  . . . . . . . . 240--241
                      Anonymous   Postage Stamp Inventions . . . . . . . . 241--241
                      Anonymous   The Borax Mines of Nevada. --- A
                                  Valuable Discovery . . . . . . . . . . . 241--241
                      Anonymous   Protected Working Men  . . . . . . . . . 241--241
                      Anonymous   Notes of Patent Office Decisions . . . . 241--241
                      Anonymous   The Manufacture of Plumbago Crucibles    242--242
                      Anonymous   The Baromotor  . . . . . . . . . . . . . 242--243
                      Anonymous   Roots' Blower for Mine Ventilation . . . 243--244
                      Anonymous   Communications . . . . . . . . . . . . . 245--245
                      Anonymous   New Surface Planing Machine  . . . . . . 246--246
                      Anonymous   Improved Automatic Fire Extinguisher . . 246--247
                      Anonymous   Small Geared Locomotives . . . . . . . . 247--247
                      Anonymous   The White Cheeked Gibbon . . . . . . . . 247--248
                      Anonymous   The White \em Brugmansia . . . . . . . . 248--248
                  Rudolf Wagner   The Modern Hyposulphite of Soda  . . . . 248--249
                      Anonymous   Recent American and Foreign Patents  . . 249--249
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 249--249
                      Anonymous   New Textile Inventions . . . . . . . . . 249--249
                      Anonymous   New Agricultural Inventions  . . . . . . 249--249
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 249--249
                      Anonymous   New Miscellaneous Inventions . . . . . . 249--250
                      Anonymous   Communications Received  . . . . . . . . 252--252

Scientific American
Volume 37, Number 17, October 27, 1877

                      Anonymous   Books: New Books and Publications  . . . 265--265
                      Anonymous   Business and Personal  . . . . . . . . . 267--267
                      Anonymous   Notes and Queries  . . . . . . . . . . . 267--268
                      Anonymous   Index of Inventions  . . . . . . . . . . 268--268
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 270--270
                      Anonymous   Improved Automatic Fire Escape . . . . . 255--255
                      Anonymous   An Obelisk at Sea  . . . . . . . . . . . 255--255
                      Anonymous   Curious Animal Relationships . . . . . . 256--256
                      Anonymous   The Science of Play  . . . . . . . . . . 256--256
                      Anonymous   The Duties of the Commissioner of
                                  Patents and the Supervising Powers of
                                  the Secretary of the Interior  . . . . . 257--257
                      Anonymous   Influence of the Spinal Cord on Bodily
                                  Temperature  . . . . . . . . . . . . . . 257--257
                      Anonymous   Amateur Observations of the November
                                  Meteors  . . . . . . . . . . . . . . . . 257--257
                      Anonymous   Another Traveling Expedition . . . . . . 257--257
                      Anonymous   Imitation Terra Cotta  . . . . . . . . . 257--257
                      Anonymous   Improved Double Shedding Harness
                                  Jacquard Loom  . . . . . . . . . . . . . 258--258
                      Anonymous   Allan's Pressure Gauge . . . . . . . . . 258--258
                      Anonymous   A New Dredging Apparatus . . . . . . . . 259--259
                      Anonymous   Improved Ship's Speed Indicator  . . . . 259--261
                      Anonymous   New Electrical Machines  . . . . . . . . 261--261
                      Anonymous   Improved Window Fastener . . . . . . . . 262--262
                      Anonymous   The Cosmograph . . . . . . . . . . . . . 262--262
                      Anonymous   Improved Safety Alarm and Door Bell  . . 262--264
                      Anonymous   The Satellites of Mars . . . . . . . . . 264--264
                      Anonymous   Orchids  . . . . . . . . . . . . . . . . 264--265
                      Anonymous   Recent American and Foreign Patents  . . 265--265
                      Anonymous   New Miscellaneous Inventions . . . . . . 265--266
                      Anonymous   New Household Inventions . . . . . . . . 266--266
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 266--266
                      Anonymous   Communications Received  . . . . . . . . 268--268

Scientific American
Volume 37, Number 18, November 3, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 283--283
                      Anonymous   Notes and Queries  . . . . . . . . . . . 283--284
                      Anonymous   Index of Inventions  . . . . . . . . . . 284--284
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 286--286
                      Anonymous   New Process of Embalming the Dead  . . . 271--271
                      Anonymous   Improved Puddling Furnace  . . . . . . . 271--271
                      Anonymous   An Opportunity for Inventors. ---  . . . 272--272
                      Anonymous   The Paris Exposition in Congress . . . . 272--272
                      Anonymous   Improved Method of Wintering Cows  . . . 272--273
                      Anonymous   The Fortunes of the Obelisks . . . . . . 273--273
                      Anonymous   Speech Automatically Transmitted in
                                  Short Hand by the Telegraph  . . . . . . 273--273
                      Anonymous   Alleged Poison in Sugars . . . . . . . . 273--273
                      Anonymous   Decisions of the Courts  . . . . . . . . 273--273
                      Anonymous   How Our Would Looks from Other Worlds    275--276
                      Anonymous   Communication  . . . . . . . . . . . . . 277--278
                      Anonymous   An Ancient Hand Warmer . . . . . . . . . 278--278
                      Anonymous   Improves Self-Feeding Drill  . . . . . . 278--278
                      Anonymous   A New Floating Oil Burner  . . . . . . . 278--279
                      Anonymous   The Ramie Plant and its Utilization  . . 279--281
                      Anonymous   Astronomical Notes . . . . . . . . . . . 281--281
                      Anonymous   Recent American and Foreign Patents  . . 281--281
                      Anonymous   New Miscellaneous Inventions . . . . . . 281--282
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 282--282
                      Anonymous   New Household Inventions . . . . . . . . 282--282
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 282--282
                      Anonymous   Communications Received  . . . . . . . . 284--284

Scientific American
Volume 37, Number 19, November 10, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 299--299
                      Anonymous   Notes and Queries  . . . . . . . . . . . 299--300
                      Anonymous   Index of Inventions  . . . . . . . . . . 300--300
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 302--302
                      Anonymous   The Imperial Brick Machine . . . . . . . 287--287
                      Anonymous   Arrested Development . . . . . . . . . . 288--288
                      Anonymous   Professor Tyndall on the Phenomena of
                                  Human Life . . . . . . . . . . . . . . . 288--289
                      Anonymous   The American Railway System. ---
                                  Maintenance of Way . . . . . . . . . . . 289--289
                      Anonymous   Notes of Patent Office Decisions . . . . 289--289
                      Anonymous   The Wooden Pavements of Chicago  . . . . 289--289
                      Anonymous   The Wren Gas Works . . . . . . . . . . . 290--290
                      Anonymous   New Standard Grinding Mill . . . . . . . 291--292
                      Anonymous   The Meeting of the Academy of Sciences   292--292
                      Anonymous   Some Inventions for Husking Corn . . . . 293--293
                      Anonymous   Streit's New Bevel Flange Loose Pulleys  294--294
                      Anonymous   Johnson's Improved Boiler Plate Shears   294--294
                      Anonymous   Improved Burglar Alarm Window Fastening  294--294
                      Anonymous   Borden's Improved Gauge Cock . . . . . . 294--295
                      Anonymous   Archer Fishes  . . . . . . . . . . . . . 295--295
                   C. Few Seiss   The Red and the Two-Lined Salamander . . 295--297
                      Anonymous   Recent American and Foreign patents  . . 297--297
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 297--297
                      Anonymous   New Miscellaneous Inventions . . . . . . 297--298
                      Anonymous   New Agricultural Inventions  . . . . . . 298--298
                      Anonymous   New Woodworking and House and Carriage
                                  Building Inventions  . . . . . . . . . . 298--298
                      Anonymous   New Household Inventions . . . . . . . . 298--298
                      Anonymous   Communications Received  . . . . . . . . 300--300

Scientific American
Volume 37, Number 20, November 17, 1877

                      Anonymous   Books: New Books and Publications  . . . 313--313
                      Anonymous   Business and Personal  . . . . . . . . . 315--315
                      Anonymous   Notes and Queries  . . . . . . . . . . . 315--316
                      Anonymous   Index of Inventions  . . . . . . . . . . 316--316
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 318--318
                      Anonymous   Experiments with the Turkish Bath  . . . 303--303
                      Anonymous   Improved Portable Lunch Heater . . . . . 303--303
                      Anonymous   Ingram Rotary Machine for Printing
                                  Illustrated Newspapers . . . . . . . . . 303--303
                      Anonymous   A Wonderful Invention. --- Speech
                                  Capable of Indefinite Repetition from
                                  Automatic Records  . . . . . . . . . . . 304--304
                      Anonymous   Influence of Heat on the Tenacity of
                                  Metals . . . . . . . . . . . . . . . . . 304--305
                      Anonymous   A New and Remarkable Strike  . . . . . . 305--305
                      Anonymous   Notes of Decisions of the Courts . . . . 305--305
                      Anonymous   Professor James Orton  . . . . . . . . . 305--305
                      Anonymous   Improved Boring and Turning Machine  . . 306--306
                      Anonymous   Graphic Phonetics  . . . . . . . . . . . 307--308
                      Anonymous   Communications . . . . . . . . . . . . . 308--309
                      Anonymous   New Standard Light and Medium Grinding
                                  Mills  . . . . . . . . . . . . . . . . . 310--310
                      Anonymous   New Improved Band-Sawing Machine . . . . 310--310
                      Anonymous   The Steamship ``Massachusetts'' on and
                                  off the Rocks  . . . . . . . . . . . . . 311--311
                      Anonymous   Base Ball Science  . . . . . . . . . . . 312--313
                      Anonymous   Recent American and Foreign Patents  . . 313--313
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 313--314
                      Anonymous   New Miscellaneous Inventions . . . . . . 314--314
                      Anonymous   New Agricultural Inventions  . . . . . . 314--314
                      Anonymous   New Household Inventions . . . . . . . . 314--314
                      Anonymous   Communications Received  . . . . . . . . 316--316

Scientific American
Volume 37, Number 21, November 24, 1877

                      Anonymous   Books: New Books and Publications  . . . 330--330
                      Anonymous   Business and Personal  . . . . . . . . . 331--331
                      Anonymous   Notes and Queries: Notes & Queries  . . . 331--332
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 334--334
                      Anonymous   The 42D Street Sewage Tunnel, New York
                                  City . . . . . . . . . . . . . . . . . . 319--320
                      Anonymous   \$80,000 Reward for a Cure for Cholera   320--320
                      Anonymous   Sun Spots Studied by Solar Photography   320--320
                      Anonymous   Cerebral Thermometry . . . . . . . . . . 320--320
                      Anonymous   Lessons in Mechanical Drawing  . . . . . 320--321
                      Anonymous   The Glandular Theory of Disease  . . . . 321--321
                      Anonymous   Notes of Decisions of the Courts . . . . 321--321
                      Anonymous   Improved Tile-Making Machine . . . . . . 322--322
                      Anonymous   M. Trouve's New Moist Battery  . . . . . 323--323
                      Anonymous   Harrison's New Portable Flouring Mill    323--323
                      Anonymous   Communications . . . . . . . . . . . . . 324--324
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 325--326
                      Anonymous   Improved Boring Machine  . . . . . . . . 326--326
                      Anonymous   Improved Label Holder  . . . . . . . . . 326--327
                      Anonymous   The New French Exposition Palace . . . . 327--327
                      Anonymous   A Curious Result of Denudation . . . . . 327--327
                      Anonymous   Raising Obelisks . . . . . . . . . . . . 328--329
                      Anonymous   New Arrangement of the Air Reservoirs in
                                  Pumps  . . . . . . . . . . . . . . . . . 329--330
                      Anonymous   How to Adjust Engine Guide Bars  . . . . 330--330
                      Anonymous   Recent American and Foreign Patents  . . 330--330
                      Anonymous   New Agricultural Inventions  . . . . . . 330--330
                      Anonymous   New Miscellaneous Inventions . . . . . . 330--330
                      Anonymous   New Mechanical and Engineering
                                  Inventions . . . . . . . . . . . . . . . 330--330
                      Anonymous   New Household Inventions . . . . . . . . 330--330
                      Anonymous   Wants and Business Inquiries . . . . . . 332--332
                      Anonymous   The \booktitleScientific American  . . . 332--332

Scientific American
Volume 37, Number 22, December 1, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 347--347
                      Anonymous   Notes and Queries  . . . . . . . . . . . 347--347
                      Anonymous   Index of Inventions  . . . . . . . . . . 348--348
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 349--349
                      Anonymous   The Pictet Ice Machine . . . . . . . . . 335--335
                      Anonymous   The Cure of Diphtheria . . . . . . . . . 336--336
                      Anonymous   The Geological Relations of the
                                  Atmosphere . . . . . . . . . . . . . . . 336--336
                      Anonymous   Venerable Journalists  . . . . . . . . . 336--337
                      Anonymous   Water Supply for New York City . . . . . 337--337
                      Anonymous   The Green Corn Case  . . . . . . . . . . 337--337
                      Anonymous   How to Make Homes Healthy  . . . . . . . 337--337
                      Anonymous   Breakage of a Steamboat Beam . . . . . . 337--337
                      Anonymous   Combined Engine and Sugar Cane Grinding
                                  Mill . . . . . . . . . . . . . . . . . . 338--339
                      Anonymous   The Ross Burr Stone Grinding Mill  . . . 339--339
                      Anonymous   Communications . . . . . . . . . . . . . 340--341
                      Anonymous   Improved Tool Post for Lathes  . . . . . 342--342
                      Anonymous   Hill's Folding Book Case . . . . . . . . 342--342
                      Anonymous   The Capercailzie . . . . . . . . . . . . 343--343
                     J. Michels   The Proboscis and Lancets of the Stable
                                  Fly  . . . . . . . . . . . . . . . . . . 344--344
                      Anonymous   Improved Tricycle  . . . . . . . . . . . 344--345
                  T. C. Plelsey   Scientific and Practical Information . . 345--345
                    C. V. Riley   The Curious Life-History of Our Blister
                                  Beetles  . . . . . . . . . . . . . . . . 346--346
                      Anonymous   Communications Received  . . . . . . . . 347--347
                      Anonymous   Wants and Business Inquiries . . . . . . 347--348

Scientific American
Volume 37, Number 23, December 8, 1877

                      Anonymous   Inventions: New Inventions . . . . . . . 360--362
                      Anonymous   Business and Personal  . . . . . . . . . 363--363
                      Anonymous   Notes and Queries  . . . . . . . . . . . 363--364
                      Anonymous   Index of Inventions  . . . . . . . . . . 364--364
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 366--366
                      Anonymous   Improved Faucet  . . . . . . . . . . . . 351--351
                      Anonymous   Professor Mayer's New Method of Finding
                                  the Coefficient of Expansion of Metals
                                  and Alloys . . . . . . . . . . . . . . . 351--352
                      Anonymous   Is There a Law of Invention? . . . . . . 352--352
                      Anonymous   United States Coinage and the Great
                                  Pyramid  . . . . . . . . . . . . . . . . 352--353
                      Anonymous   Notes of Patent Office Decisions . . . . 353--353
                      Anonymous   Shooting Stars . . . . . . . . . . . . . 353--353
                      Anonymous   Adam Scott Cameron . . . . . . . . . . . 353--353
                      Anonymous   The Distances of the Planets from the
                                  Sun  . . . . . . . . . . . . . . . . . . 353--353
                      Anonymous   The Abandonment of the Cleopatra at Sea  354--354
                      Anonymous   How to Paint Magic Lanterns  . . . . . . 355--356
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 356--357
                      Anonymous   Self-Watering Flower Pots  . . . . . . . 358--358
                      Anonymous   Improved Construction of Portable Frame
                                  Buildings  . . . . . . . . . . . . . . . 358--358
                   C. Few Seiss   The Carolina Mantis  . . . . . . . . . . 359--359
                      Anonymous   The Truncated Pichiciago . . . . . . . . 359--359
                      Anonymous   New Trapless Watercloset . . . . . . . . 360--360
                      Anonymous   Astronomical Notes . . . . . . . . . . . 360--360
                      Anonymous   Dorr's Adjustable Hat and Coat Rack  . . 360--360
                      Anonymous   Communications Received  . . . . . . . . 364--364
                      Anonymous   Wants and Business Inquiries . . . . . . 364--364
                      Anonymous   The \booktitleScientific American  . . . 364--364

Scientific American
Volume 37, Number 24, December 15, 1877

                      Anonymous   Business and Personal  . . . . . . . . . 379--379
                      Anonymous   Notes and Queries  . . . . . . . . . . . 379--379
                      Anonymous   Index of Inventions  . . . . . . . . . . 380--380
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 382--382
                      Anonymous   Amending (?) the Patent Laws . . . . . . 368--368
                      Anonymous   Curiosities of Suicide . . . . . . . . . 368--368
                      Anonymous   A Common Ailment-Malarial Poisoning  . . 368--368
                      Anonymous   Notes of Patent Decisions of the Courts  368--369
                      Anonymous   The Proposed Amendments to the Patent
                                  Laws . . . . . . . . . . . . . . . . . . 369--369
                      Anonymous   How to True up a Crank Pin . . . . . . . 369--369
                      Anonymous   More News from the Sun . . . . . . . . . 369--369
                      Anonymous   Horizontal Compound Engine . . . . . . . 370--371
                      Anonymous   Improved Protected Non-Recoil Gun  . . . 371--371
                      Anonymous   Improved Pneumatic Dredging Tube . . . . 371--371
                      Anonymous   Communications . . . . . . . . . . . . . 372--372
                    C. V. Riley   The Curious Life-History of our Blister
                                  Beetles Number II  . . . . . . . . . . . 373--374
                      Anonymous   The Corrugated Iron Air Bridge and Fuel
                                  Economizer . . . . . . . . . . . . . . . 374--374
                      Anonymous   Combination Lathe, Scroll Saw, Etc . . . 374--374
                      Anonymous   The Duck-Billed Platypus . . . . . . . . 375--375
                      Anonymous   Proposed Balloon Voyage to the North
                                  Pole . . . . . . . . . . . . . . . . . . 375--375
                      Anonymous   Machines that Hear and Write . . . . . . 376--378
                      Anonymous   John William Draper  . . . . . . . . . . 378--378
                      Anonymous   Automatic Shaft Oiler  . . . . . . . . . 378--378
                      Anonymous   Communications Received  . . . . . . . . 379--379
                      Anonymous   Wants and Business Inquiries . . . . . . 379--380

Scientific American
Volume 37, Number 25, December 22, 1877

                      Anonymous   Books: New Books and Publications  . . . 394--394
                      Anonymous   Business and Personal  . . . . . . . . . 395--395
                      Anonymous   Notes and Queries  . . . . . . . . . . . 395--396
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 398--398
                      Anonymous   The Tuttle Family Knitter  . . . . . . . 383--383
                      Anonymous   The Forster--Firmin Amalgamator and Ore
                                  Washer . . . . . . . . . . . . . . . . . 383--384
                      Anonymous   Constructing Ice Houses  . . . . . . . . 384--384
                      Anonymous   The Talking Phonograph . . . . . . . . . 384--385
                      Anonymous   The End of Volume XXXVII . . . . . . . . 385--385
                      Anonymous   Winter Shop Work --- Building Boats  . . 385--385
                      Anonymous   Building Ice Boats . . . . . . . . . . . 385--385
                      Anonymous   Receiving your Paper . . . . . . . . . . 385--385
                      Anonymous   Build a Steamboat  . . . . . . . . . . . 385--385
                      Anonymous   The Photo-Engraving Company of New York  386--387
                      Anonymous   Communications . . . . . . . . . . . . . 388--389
                      Anonymous   Some Curious Methods of Boring Tapers    389--389
                      Anonymous   Improved Scroll Sawing Machine . . . . . 390--390
                      Anonymous   The Denney Washing Machine . . . . . . . 390--390
                      Anonymous   Improved Oscillating Grate Bar . . . . . 390--390
                      Anonymous   Revolving Boot and Shoe Heel Protector   390--390
                      Anonymous   The Banded Chersydrus  . . . . . . . . . 391--391
                      Anonymous   Storks Eating Young Rabbits  . . . . . . 391--392
                      Anonymous   An Easy Method of Producing Bas Reliefs  392--393
                      Anonymous   The Limits of Natural Knowledge  . . . . 393--394
                      Anonymous   Communications Received  . . . . . . . . 396--396
                      Anonymous   Wants and Business Inquiries . . . . . . 396--396
                      Anonymous   The \booktitleScientific American  . . . 396--396

Scientific American
Volume 37, Number 26, December 29, 1877

                      Anonymous   Books: New Books and Publications  . . . 409--409
                      Anonymous   Business and Personal  . . . . . . . . . 410--410
                      Anonymous   Notes and Queries  . . . . . . . . . . . 410--410
                      Anonymous   Index of Inventions  . . . . . . . . . . 410--410
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 411--412
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 414--414
                      Anonymous   A Curious Pocketbook . . . . . . . . . . 399--399
                      Anonymous   Brick-Making Machine . . . . . . . . . . 399--399
                      Anonymous   The Best Christmas Gift  . . . . . . . . 400--400
                      Anonymous   Scientific Traveling Expeditions . . . . 400--400
                      Anonymous   The American Machinery and Inventions,
                                  Wanted Abroad  . . . . . . . . . . . . . 400--401
                      Anonymous   Cuca as a Strength Sustainer . . . . . . 401--401
                      Anonymous   30-Ton Steam Hammer  . . . . . . . . . . 402--402
                      Anonymous   Stevenson's Suspension Railway . . . . . 402--402
                      Anonymous   The Uchatius Bronze Steel Gun  . . . . . 403--404
                      Anonymous   Communications . . . . . . . . . . . . . 404--404
                    Joshua Rose   Producing Cutting Edges for Tools and
                                  Instruments  . . . . . . . . . . . . . . 404--405
                      Anonymous   Stoy's Improved Gasket . . . . . . . . . 406--406
                      Anonymous   Portable Hoisting Engine . . . . . . . . 406--406
                      Anonymous   Improved Stand for Smoothing Fabrics . . 406--406
                      Anonymous   The Fringed Birthwort  . . . . . . . . . 407--407
                      Anonymous   A Curious Hybrid . . . . . . . . . . . . 407--408
                      Anonymous   Notes of the Patent, Decisions of the
                                  Courts . . . . . . . . . . . . . . . . . 409--409
                      Anonymous   Communications Received  . . . . . . . . 410--410
                      Anonymous   Wants and Business Inquiries . . . . . . 410--410


Scientific American
Volume 38, Number 1, January 5, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 11--11
                      Anonymous   Notes and Queries  . . . . . . . . . . . 11--12
                      Anonymous   Index of Inventions  . . . . . . . . . . 12--12
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 14--14
                      Anonymous   Utilization of the Heat of the Sun, A
                                  New Cement, and more . . . . . . . . . . 1--1
                      Anonymous   The Meridian Circle in the Paris
                                  Observatory  . . . . . . . . . . . . . . 1--1
                      Anonymous   Curious Hydraulic Experiments  . . . . . 2--2
                      Anonymous   The Paris Exposition . . . . . . . . . . 2--2
                      Anonymous   Rubies and Sapphires, Artificially
                                  Produced . . . . . . . . . . . . . . . . 2--2
                      Anonymous   The Education of a Civil Engineer  . . . 2--3
                      Anonymous   New York Academy of Sciences . . . . . . 3--3
                      Anonymous   Silvering Glass  . . . . . . . . . . . . 3--3
                      Anonymous   An Ingenious Method of Cutting Spiral or
                                  Rifle Grooves with an Ordinary Planer    4--4
                      Anonymous   New Diamond Tool Millstone Dressing
                                  Machine  . . . . . . . . . . . . . . . . 5--5
                      Anonymous   Rice's Improved Boiler Feeder  . . . . . 6--6
                      Anonymous   Roth's Improved Saw File Guide . . . . . 6--6
                      Anonymous   Konz's Improved Furniture Caster . . . . 6--6
                      Anonymous   Draper's Stovepipe Joint . . . . . . . . 6--6
                      Anonymous   The Silky Marmoset . . . . . . . . . . . 7--7
                      Anonymous   A Beautiful Orchid . . . . . . . . . . . 7--7
                      Anonymous   Hymer's Coal Cabinet . . . . . . . . . . 8--8
                      Anonymous   Astronomical Notes . . . . . . . . . . . 8--8
                      Anonymous   Reeves' Excavator  . . . . . . . . . . . 8--8
                      Anonymous   Communications . . . . . . . . . . . . . 9--10
                      Anonymous   Communications Received  . . . . . . . . 12--12
                      Anonymous   Wants and Business Inquiries . . . . . . 12--12
                      Anonymous   The \booktitleScientific American  . . . 12--12

Scientific American
Volume 38, Number 2, January 12, 1878

                      Anonymous   Books: New Books and Publications  . . . 26--26
                      Anonymous   Business and Personal  . . . . . . . . . 27--27
                      Anonymous   Notes and Queries  . . . . . . . . . . . 27--28
                      Anonymous   Index of Inventions  . . . . . . . . . . 28--28
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 30--30
                      Anonymous   The Road to Success  . . . . . . . . . . 16--16
                      Anonymous   The Mechanical Theory of Forgetfulness   16--17
                      Anonymous   The Patent Middlings Purifier Case. ---
                                  Another Important Decision by the
                                  Supreme Court  . . . . . . . . . . . . . 17--17
                      Anonymous   Chloroform . . . . . . . . . . . . . . . 17--17
                      Anonymous   The Trouve Multiple Telephone  . . . . . 17--17
                      Anonymous   Notes of Patent Decisions  . . . . . . . 17--17
                      Anonymous   To Our Subscribers . . . . . . . . . . . 17--18
                      Anonymous   The New York Elevated Railway  . . . . . 18--20
                      Anonymous   Mineral Wool . . . . . . . . . . . . . . 20--20
                      Anonymous   Communications . . . . . . . . . . . . . 21--21
                      Anonymous   Buildings of the Paris Exposition of
                                  1878 . . . . . . . . . . . . . . . . . . 22--22
                      Anonymous   Stolp's Complete Gear Instrument . . . . 22--23
                      Anonymous   Mery's Weighing Scoop  . . . . . . . . . 23--24
                   John Michels   Curious Blood Disks  . . . . . . . . . . 24--24
                      Anonymous   Steam Syphon Pumps . . . . . . . . . . . 25--26
                      Anonymous   Communications Received  . . . . . . . . 28--28
                      Anonymous   Wants and Business Inquiries . . . . . . 28--28
                      Anonymous   The \booktitleScientific American  . . . 28--28

Scientific American
Volume 38, Number 3, January 19, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 43--43
                      Anonymous   Notes and Queries  . . . . . . . . . . . 43--44
                      Anonymous   Index of Inventions  . . . . . . . . . . 44--44
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 46--46
                      Anonymous   The Manufacture of Drain Pipe  . . . . . 31--31
                      Anonymous   Natural History Collections as Educators 32--32
                      Anonymous   Preventing Collisions at Sea . . . . . . 32--32
                      Anonymous   Carbon Burned in an Electro-Chemical
                                  Battery  . . . . . . . . . . . . . . . . 32--32
                      Anonymous   Drawing on the Blackboard  . . . . . . . 32--33
                      Anonymous   Coal Dust Fuel . . . . . . . . . . . . . 33--33
                      Anonymous   Government Scientific Work . . . . . . . 33--33
                      Anonymous   To Our Subscribers . . . . . . . . . . . 33--34
                      Anonymous   The Colorado Mud Volcanoes . . . . . . . 34--34
                      Anonymous   The Regnier Electric Light . . . . . . . 34--34
                      Anonymous   Lovegrove's Two-Horse Power Engine . . . 34--34
                      Anonymous   The Godfrey and Howson Puddling Furnace  35--36
                      Anonymous   Communications . . . . . . . . . . . . . 36--36
                    Joshua Rose   Practical Mechanism  . . . . . . . . . . 36--37
                      Anonymous   Improved Marine Engine Governor  . . . . 38--38
                      Anonymous   Improved Fulling Mill  . . . . . . . . . 38--38
                      Anonymous   The Cultivation of Cinchona  . . . . . . 39--40
                      Anonymous   Water Heater for Baths . . . . . . . . . 40--40
                      Anonymous   A Novel Steam Generator  . . . . . . . . 40--41
                      Anonymous   A New Tide Mill  . . . . . . . . . . . . 41--41
                      Anonymous   The Dreadnought Tricycle . . . . . . . . 41--42
                      Anonymous   An Astonishing Offer . . . . . . . . . . 43--43
                      Anonymous   Communications Received  . . . . . . . . 44--44
                      Anonymous   Wants and Business Inquiries . . . . . . 44--44
                      Anonymous   The \booktitleScientific American  . . . 44--44

Scientific American
Volume 38, Number 4, January 26, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 59--59
                      Anonymous   Notes and Queries: Notes & Queries  . . . 59--60
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 62--62
                      Anonymous   The Berryman Patent Feed Water Heater    47--47
                      Anonymous   Successful Progress of the Great Jetties 48--48
                      Anonymous   Unscientific Scientists  . . . . . . . . 48--48
                      Anonymous   A New System of Armor Plating Needed . . 48--49
                      Anonymous   Confidentially, with Our Readers . . . . 49--49
                      Anonymous   Government Tests of Magazine Guns  . . . 49--49
                      Anonymous   A Remarkable and Disastrous Explosion    49--49
                      Anonymous   The American Exhibit at the Paris
                                  Exposition . . . . . . . . . . . . . . . 49--49
                      Anonymous   To Our Subscribers . . . . . . . . . . . 49--49
                      Anonymous   Utilizations of the Goose Quill  . . . . 50--51
                      Anonymous   Radial Drilling Machine  . . . . . . . . 51--51
                      Anonymous   Communications . . . . . . . . . . . . . 52--53
                      Anonymous   Fisher's Torpedo Guard . . . . . . . . . 54--54
                      Anonymous   Improved Ore Crusher and Pulverizer  . . 54--54
                      Anonymous   The No. 10 Bolt Cutter and Nut Tapper    54--55
                      Anonymous   A Celebrated Short-Horned Cow  . . . . . 55--55
                      Anonymous   Chapell's Pipe Coupling  . . . . . . . . 55--56
                      Anonymous   Boland's Improved Kneading Machine . . . 56--57
                      Anonymous   The Reproduction of Musical Tones by
                                  Electro-Magnetism  . . . . . . . . . . . 57--59

Scientific American
Volume 38, Number 5, February 2, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 75--75
                      Anonymous   Books: New Books and Publications  . . . 75--75
                      Anonymous   Notes and Queries: Notes & Queries  . . . 75--76
                      Anonymous   Index of Inventions  . . . . . . . . . . 76--76
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 78--78
                      Anonymous   The Gilbert Elevated Railway . . . . . . 63--63
                      Anonymous   A Three Sided Question . . . . . . . . . 64--64
                      Anonymous   The Liquefaction of Air and all the
                                  Permanent Gases  . . . . . . . . . . . . 64--65
                      Anonymous   Mysterious Explosions  . . . . . . . . . 65--65
                      Anonymous   Notes of Patent Law Decisions  . . . . . 65--65
                      Anonymous   Corrugated Boiler Flues  . . . . . . . . 67--68
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 68--69
                      Anonymous   Quick-Speed Drill  . . . . . . . . . . . 69--69
                      Anonymous   New York Academy of Sciences . . . . . . 69--69
                      Anonymous   Paper and Wire Testers . . . . . . . . . 69--70
                      Anonymous   Fawcett's Improved Ladle . . . . . . . . 70--70
                      Anonymous   The New Baxter Portable Engine . . . . . 70--70
                      Anonymous   Metallic Arches for Tunnels  . . . . . . 70--70
                      Anonymous   Carnes' Improved Basin Stopper . . . . . 70--70
                M. Raoul Pictet   The Liquefaction of Oxygen . . . . . . . 71--71
                      Anonymous   Machine for Preparing Ramie Fiber  . . . 72--72
                      Anonymous   How Submarine Cables are Destroyed . . . 73--73
                      Anonymous   New Apparatus for the Compression of
                                  Hydrogen and Oxygen  . . . . . . . . . . 73--75
                      Anonymous   Communications Received  . . . . . . . . 76--76
                      Anonymous   Wants and Business Inquiries . . . . . . 76--76

Scientific American
Volume 38, Number 6, February 9, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 91--91
                      Anonymous   Notes and Queries  . . . . . . . . . . . 91--92
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--92
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 94--94
                      Anonymous   The Horizontal Pendulum  . . . . . . . . 79--80
                      Anonymous   Medical Progress in 1877 . . . . . . . . 80--80
                      Anonymous   Is Gravity a Mode of Motion? . . . . . . 80--80
                      Anonymous   Stick to the Law . . . . . . . . . . . . 80--81
                      Anonymous   Patent Office Employees to be Disgraced  81--81
                      Anonymous   The Mail of the Metropolis . . . . . . . 81--81
                      Anonymous   Heinrich Daniel Ruhmkorff  . . . . . . . 81--81
                      Anonymous   Modern Torpedo Warfare . . . . . . . . . 82--82
                      Anonymous   Folding-Door Fireproof Safe  . . . . . . 82--82
                      Anonymous   Smith's Improved Windmill  . . . . . . . 83--83
                      Anonymous   New Digging Machine  . . . . . . . . . . 83--84
                      Anonymous   Communications . . . . . . . . . . . . . 84--84
                      Anonymous   Making Callipers . . . . . . . . . . . . 85--85
                      Anonymous   Improved Portable Cider Mill . . . . . . 86--86
                      Anonymous   Powell's Improved Cotton Harvester . . . 86--86
                   C. Few Seiss   The Long-Necked Chelodine  . . . . . . . 87--87
                      Anonymous   The High School of Kolapore, India . . . 87--87
                      Anonymous   Whales and Whalebone . . . . . . . . . . 88--89
                      Anonymous   Beard's Thill Coupling . . . . . . . . . 89--89
                   John Michels   A Fowl Monstrosity . . . . . . . . . . . 89--90
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 90--90
                      Anonymous   Wants and Business Inquiries . . . . . . 92--92

Scientific American
Volume 38, Number 7, February 16, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 107--107
                      Anonymous   Notes and Queries  . . . . . . . . . . . 107--108
                      Anonymous   Index of Inventions  . . . . . . . . . . 108--108
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 110--110
                      Anonymous   The Cash Recording Machine . . . . . . . 95--95
                      Anonymous   A Patent Office Court  . . . . . . . . . 96--96
                      Anonymous   The Annual Report of the Commissioner of
                                  Patents  . . . . . . . . . . . . . . . . 96--96
                      Anonymous   Telegraphing without Wires . . . . . . . 97--97
                      Anonymous   Color-Blindness in its Relations to the
                                  Safety of the Traveling Public . . . . . 97--97
                      Anonymous   The Electric Light in Photography  . . . 97--97
                      Anonymous   ``That is Near Enough''  . . . . . . . . 97--97
                      Anonymous   Dangerous Smoke and Drink  . . . . . . . 97--97
                      Anonymous   The Shop Clock . . . . . . . . . . . . . 97--97
                      Anonymous   The Bullion Product of 1877  . . . . . . 97--97
                      Anonymous   New Adjustable Swivel Hanger . . . . . . 98--98
                      Anonymous   Shaw's Improved Exhaust Nozzle . . . . . 98--98
                      Anonymous   Appliances for Supporting Life in
                                  Irrespirable Media . . . . . . . . . . . 99--100
                      Anonymous   Communications . . . . . . . . . . . . . 100--101
                      Anonymous   Wise's Ice Cream Beater  . . . . . . . . 102--102
                      Anonymous   An Improved Hoisting Machine . . . . . . 102--102
                      Anonymous   The Thompson Wooden Spring for Vehicles  103--103
                      Anonymous   The India Rubber Tree  . . . . . . . . . 103--103
                      Anonymous   The Codling Moth . . . . . . . . . . . . 103--104
                      Anonymous   M. Henri Giffard's New Apparatus for the
                                  Production of Hydrogen in Large
                                  Quantities . . . . . . . . . . . . . . . 104--105
                      Anonymous   Prevention of Gaseous Emanations from
                                  Drains and Sewers  . . . . . . . . . . . 105--106
                      Anonymous   Wants and Business Inquiries . . . . . . 108--108

Scientific American
Volume 38, Number 8, February 23, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 123--123
                      Anonymous   Books: New Books and Publications  . . . 123--123
                      Anonymous   Notes and Queries  . . . . . . . . . . . 123--124
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--124
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 126--126
                      Anonymous   Liquefaction of Gases --- Cailletet's
                                  Experiments  . . . . . . . . . . . . . . 111--112
                      Anonymous   Paradoxes in Steam . . . . . . . . . . . 112--112
                      Anonymous   Arctic Explorations  . . . . . . . . . . 112--113
                      Anonymous   What Steam has Done for France . . . . . 113--113
                      Anonymous   Improvement of Rivers  . . . . . . . . . 113--113
                      Anonymous   Printing the Patents . . . . . . . . . . 113--113
                      Anonymous   The Carbolic Acid or Antiseptic
                                  Treatment of Wounds  . . . . . . . . . . 113--113
                      Anonymous   The Washington Naval Observatory . . . . 113--113
                      Anonymous   Improved Draughtsman's Table . . . . . . 114--114
                      Anonymous   Improved Method for Drying Lumber  . . . 114--114
                      Anonymous   The Bon Ton Game . . . . . . . . . . . . 114--114
                      Anonymous   Vanier's Improved Brick Machine  . . . . 115--115
                      Anonymous   Baugh's Patent Sectional Mill  . . . . . 115--116
                      Anonymous   Communications . . . . . . . . . . . . . 116--117
                      Anonymous   Professor S. N. Carvalho's New System of
                                  Superheating Steam . . . . . . . . . . . 118--118
                      Anonymous   Vitt's Improved Grain Toller . . . . . . 118--118
                      Anonymous   The Horned Tragopan  . . . . . . . . . . 119--119
                      Anonymous   A Turkish Ironclad . . . . . . . . . . . 119--119
                      Anonymous   Sadlier's New Method of Raising and
                                  Lowering Screw Propellers  . . . . . . . 120--120
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 120--120
                      Anonymous   The Physiological Influence of
                                  Barometric Pressure  . . . . . . . . . . 121--122

Scientific American
Volume 38, Number 9, March 2, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 139--139
                      Anonymous   Books: New Books and Publications  . . . 139--139
                      Anonymous   Notes and Queries: Notes & Queries  . . . 139--140
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 142--142
                      Anonymous   Kinney's Hydro-Pneumatic Accumulator . . 127--127
                      Anonymous   Opposition to Patents Natural  . . . . . 128--128
                      Anonymous   American Manufactures and Produce Abroad 128--129
                      Anonymous   The Rail Puzzle  . . . . . . . . . . . . 129--129
                      Anonymous   Patent Office Models . . . . . . . . . . 129--129
                       A. Ricco   Two Beautiful Optical Experiments  . . . 129--129
                      Anonymous   Scientific Jugglery  . . . . . . . . . . 129--129
                      Anonymous   Bailey's Testing Apparatus . . . . . . . 130--130
                      Anonymous   Rider Compression Pumping Engine . . . . 131--132
                      Anonymous   Communications . . . . . . . . . . . . . 132--132
                      Anonymous   Economy in Pattern Work  . . . . . . . . 133--133
                      Anonymous   Law's Double Shears and Engine . . . . . 134--134
                      Anonymous   Imhof's Stove Pipe Expander  . . . . . . 134--134
                      Anonymous   Teeth, Claws, Tongue, and Whiskers . . . 135--135
                      Anonymous   A Nile Bridge  . . . . . . . . . . . . . 135--136
                      Anonymous   A Mechanical Larynx  . . . . . . . . . . 136--137
                      Anonymous   Automatic Gas Lighting . . . . . . . . . 137--138
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 138--138

Scientific American
Volume 38, Number 10, March 9, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 155--155
                      Anonymous   Notes and Queries  . . . . . . . . . . . 155--155
                      Anonymous   Index of Inventions  . . . . . . . . . . 155--155
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 158--158
                      Anonymous   The Hat Conformator and its Diagrams . . 143--143
                      Anonymous   Invention as a Means of Culture  . . . . 144--144
                      Anonymous   The Genesis of the Telephone . . . . . . 144--144
                      Anonymous   The Treatment of the Insane  . . . . . . 144--145
                      Anonymous   Fish Teeth Set on Hinges . . . . . . . . 145--145
                      Anonymous   A Brief History of Our Patent System . . 145--145
                      Anonymous   The Astounding Famine in China . . . . . 145--145
                      Anonymous   Hayford's Wood-Preserving Process  . . . 145--145
                      Anonymous   Improved Fire Escape . . . . . . . . . . 147--147
                      Anonymous   The Liquefaction of the Gases --- M.
                                  Pictet's Apparatus . . . . . . . . . . . 147--147
                      Anonymous   Communications . . . . . . . . . . . . . 148--148
                Joshua Rose and   
                           M. E   Practical Mechanism  . . . . . . . . . . 149--149
                      Anonymous   Talley's Hydraulic Engine  . . . . . . . 150--150
                      Anonymous   The Ransom Siphon Condenser  . . . . . . 150--151
                      Anonymous   The \em Cereus Candicans . . . . . . . . 151--151
                      Anonymous   Black Cock and Ptarmigan . . . . . . . . 151--152
                      Anonymous   The ``Acme'' Double Acting Steam Pump    152--153
                      Anonymous   Submarine Illumination . . . . . . . . . 153--154
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 154--154

Scientific American
Volume 38, Number 11, March 16, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 171--171
                      Anonymous   Notes and Queries  . . . . . . . . . . . 171--172
                      Anonymous   Index of Inventions  . . . . . . . . . . 172--172
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 172--172
                      Anonymous   The Holden Ice Machine . . . . . . . . . 159--159
                      Anonymous   Wanted: A Legal Process for Confiscating
                                  Inventions . . . . . . . . . . . . . . . 160--160
                      Anonymous   Geographical Progress  . . . . . . . . . 160--160
                      Anonymous   A Congressional Scientific Expedition    160--161
                      Anonymous   Educated Brutes at the New York Aquarium 161--161
                      Anonymous   ``Heat is Life --- Cold is Death'' . . . 161--161
                      Anonymous   The Lesson of the Chinese Famine . . . . 161--161
                      Anonymous   The National Steam Pump  . . . . . . . . 162--162
                       L. Hille   The Helioscope . . . . . . . . . . . . . 163--163
                      Anonymous   Punching and Shearing Machine  . . . . . 163--163
                      Anonymous   Communication  . . . . . . . . . . . . . 164--165
                      Anonymous   A New Boat Propelling Device . . . . . . 166--166
                      Anonymous   Phillips' Improved Buckboard Wagon . . . 166--166
                      Anonymous   Millington's Hydraulic Ram . . . . . . . 166--166
                   C. Few Seiss   Serpents at Dinner . . . . . . . . . . . 167--167
                      Anonymous   Gathering Toddy  . . . . . . . . . . . . 167--168
                      Anonymous   Colmer's Dosimeter . . . . . . . . . . . 168--168
                      Anonymous   The Life of a Million People . . . . . . 168--169
                      Anonymous   M. Plante's New Rheostatic Machine . . . 169--169
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 169--169
                      Anonymous   Evolution  . . . . . . . . . . . . . . . 170--171
                      Anonymous   Communications Received  . . . . . . . . 172--172

Scientific American
Volume 38, Number 12, March 23, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 187--187
                      Anonymous   Books: New Books and Publications  . . . 187--187
                      Anonymous   Notes and Queries: Notes & Queries  . . . 187--188
                      Anonymous   Index of Inventions  . . . . . . . . . . 188--188
                      Anonymous   Turning a Corner on the Gilbert Elevated
                                  Railway  . . . . . . . . . . . . . . . . 175--175
                      Anonymous   Improvements Wanted in Working Gold and
                                  Silver Ores  . . . . . . . . . . . . . . 176--176
                      Anonymous   Will Our Moon Ever Rise in the West? . . 176--176
                      Anonymous   Work Ahead for Inventors . . . . . . . . 176--177
                      Anonymous   The New York Herald's Best Work  . . . . 177--177
                      Anonymous   The Harvest of the Sea . . . . . . . . . 177--177
                      Anonymous   Patent Office Models . . . . . . . . . . 177--177
                    C. V. Riley   Clothes Moths  . . . . . . . . . . . . . 177--177
                      Anonymous   The Steam Boiler Explosion Commission    178--178
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 179--179
                      Anonymous   Large Steam Pumping Engines --- A Duplex
                                  Pressure Pump  . . . . . . . . . . . . . 179--179
                      Anonymous   Bozerian's New Shower Bath . . . . . . . 179--181
                      Anonymous   A New Tool . . . . . . . . . . . . . . . 181--181
                      Anonymous   Why Nuts Come Loose and Bolts Drop Out   181--181
                 Selimo Bottone   The Saccharometer  . . . . . . . . . . . 181--181
                      Anonymous   Improved Hose Coupling . . . . . . . . . 182--182
                      Anonymous   Curtis' Propelling and Dry Dock
                                  Attachment for Vessels . . . . . . . . . 182--182
                      Anonymous   Easel for Pottery Decoration . . . . . . 183--183
                      Anonymous   The Red Wolf . . . . . . . . . . . . . . 183--184
                      Anonymous   A New Mode of Ditching . . . . . . . . . 185--185
                      Anonymous   New Apparatus for Measuring the
                                  Vaporizing Heat of Liquids . . . . . . . 185--185
                      Anonymous   The Spontaneous Generation Controversy   186--186
                      Anonymous   Communications Received  . . . . . . . . 188--188

Scientific American
Volume 38, Number 13, March 30, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 203--203
                      Anonymous   Notes and Queries: Notes & Queries  . . . 203--204
                      Anonymous   Index of Inventions  . . . . . . . . . . 204--204
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 204--204
                      Anonymous   The Peerless Steam Engine  . . . . . . . 191--191
                      Anonymous   Improved Bench Plane . . . . . . . . . . 191--191
                      Anonymous   Improvements in the Postal Service . . . 192--192
                      Anonymous   The Best Way to Encourage Invention  . . 192--192
                      Anonymous   A Popular Project  . . . . . . . . . . . 192--193
                      Anonymous   The Phonograph . . . . . . . . . . . . . 193--193
                      Anonymous   Tree Waste and its Sequence  . . . . . . 193--193
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 193--194
                      Anonymous   A Large Sugar Mill . . . . . . . . . . . 194--194
                      Anonymous   Independent Jaw for Lathe Chucks . . . . 194--194
                      Anonymous   The New Otto Gas Engine  . . . . . . . . 195--196
                      Anonymous   Communications . . . . . . . . . . . . . 196--196
                      Anonymous   Plant Mind . . . . . . . . . . . . . . . 196--197
                      Anonymous   Wild Beast Exterminators Wanted  . . . . 197--197
                      Anonymous   The Progress of Astronomical Photography 197--197
                      Anonymous   The New Egyptian Cotton  . . . . . . . . 197--198
                      Anonymous   Improved Saw Mill Dog  . . . . . . . . . 198--198
                      Anonymous   Improved Feed Regulator for Boilers  . . 198--198
                      Anonymous   Dobbin's Improved Harrow . . . . . . . . 199--199
                      Anonymous   Cleopatra's Needle . . . . . . . . . . . 199--201
                      Anonymous   Improved Tricycle  . . . . . . . . . . . 201--201
                      Anonymous   Sea Beans  . . . . . . . . . . . . . . . 201--201
                      Anonymous   Notes of Patent Office Decisions . . . . 202--202
                      Anonymous   Communications Received  . . . . . . . . 204--204

Scientific American
Volume 38, Number 14, April 6, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 219--219
                      Anonymous   Books: New Books and Publications  . . . 219--219
                      Anonymous   Notes and Queries  . . . . . . . . . . . 219--220
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--220
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 220--220
                      Anonymous   The New York Approach to the East River
                                  Bridge . . . . . . . . . . . . . . . . . 207--208
                      Anonymous   City Parks as Garden Schools . . . . . . 208--208
                      Anonymous   Disrespect of Inventors' Rights  . . . . 208--209
                      Anonymous   A Working Man  . . . . . . . . . . . . . 209--209
                      Anonymous   The Telephone a Sensitive Electroscope   209--209
                      Anonymous   Nickel Plating . . . . . . . . . . . . . 209--209
                      Anonymous   The Working Women's Hotel  . . . . . . . 209--209
                      Anonymous   Improved Centering Chuck . . . . . . . . 210--210
                      Anonymous   Combined Ventilator and Chimney  . . . . 210--211
                      Anonymous   Brownhill's Brick Machine  . . . . . . . 211--211
                      Anonymous   Improved Paper Shutter for Windows . . . 211--212
                      Anonymous   Communications . . . . . . . . . . . . . 212--213
                      Anonymous   The Star Feed  . . . . . . . . . . . . . 213--213
                      Anonymous   The Eclipse Steam Engine . . . . . . . . 214--214
                    C. V. Riley   Migratory Butterflies  . . . . . . . . . 215--215
                      Anonymous   A Beton Fountain, Prospect Park,
                                  Brooklyn . . . . . . . . . . . . . . . . 215--216
                      Anonymous   Plant Mind II  . . . . . . . . . . . . . 216--216
                      Anonymous   The First Shad . . . . . . . . . . . . . 216--216
                      Anonymous   Notes of Patent Office Decisions . . . . 217--217
                      Anonymous   Platinum-Tipped Settings for Diamonds    217--217
                      Anonymous   The Stafford Scroll Saw  . . . . . . . . 217--218
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 218--218
                      Anonymous   Communications Received  . . . . . . . . 220--220

Scientific American
Volume 38, Number 15, April 13, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 235--235
                      Anonymous   Books: New Books and Publications  . . . 235--235
                      Anonymous   Notes and Queries  . . . . . . . . . . . 235--236
                      Anonymous   Index of Inventions  . . . . . . . . . . 236--236
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 236--236
                      Anonymous   Improved Hoisting Machinery  . . . . . . 223--223
                      Anonymous   The Proposed Emasculation of the Patent
                                  Law  . . . . . . . . . . . . . . . . . . 224--224
                      Anonymous   ``Keramics'' and Woman's Work  . . . . . 224--225
                      Anonymous   The Manufacture of Daubs . . . . . . . . 225--225
                      Anonymous   The Scientific Applications of
                                  Photography  . . . . . . . . . . . . . . 225--225
                      Anonymous   Improved Lathe Chucks  . . . . . . . . . 226--226
                      Anonymous   English Cab Trucks and Axles . . . . . . 226--226
                      Anonymous   The Gatling Gun Aloft  . . . . . . . . . 227--227
                      Anonymous   Communications . . . . . . . . . . . . . 228--229
                      Anonymous   Improved Bale Tie  . . . . . . . . . . . 229--229
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 230--230
                      Anonymous   Improved Scrubbing Machine . . . . . . . 230--230
                      Anonymous   Improved Lubricator  . . . . . . . . . . 230--230
                     M. Hopkins   Spider Engineering . . . . . . . . . . . 231--231
                      Anonymous   The Algerian Palace at the Paris
                                  Exposition . . . . . . . . . . . . . . . 231--232
                      Anonymous   Steam Power Moulding Machinery . . . . . 232--232
                      Anonymous   Plant Mind III . . . . . . . . . . . . . 233--234
                      Anonymous   Some Seasonable Hints on Plant
                                  Cultivation  . . . . . . . . . . . . . . 234--234
                      Anonymous   Communications Received  . . . . . . . . 236--236

Scientific American
Volume 38, Number 16, April 20, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 250--250
                      Anonymous   Notes and Queries  . . . . . . . . . . . 250--252
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 252--252
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 252--252
                      Anonymous   Report of the Director of the Central
                                  Park Museum, 1878  . . . . . . . . . . . 239--239
                      Anonymous   A Sailing Railway Car  . . . . . . . . . 239--240
                      Anonymous   Every Man his Own Keely Motor  . . . . . 240--241
                      Anonymous   How Fast Can You Think . . . . . . . . . 241--241
                      Anonymous   The Intensity of Telephonic Sounds . . . 241--241
                      Anonymous   Progress at the Patent Office  . . . . . 241--241
                      Anonymous   Color Blindness  . . . . . . . . . . . . 241--241
                      Anonymous   Slotting Machine . . . . . . . . . . . . 242--242
                      Anonymous   Sea Water as a Beverage  . . . . . . . . 242--242
                      Anonymous   Improved Circulating Generator for Steam
                                  Boilers  . . . . . . . . . . . . . . . . 243--243
                      Anonymous   Improved Sewer Gas Check Valve for
                                  Stationary Wash Basins, Etc  . . . . . . 243--244
                      Anonymous   Improved Nut Lock  . . . . . . . . . . . 244--244
                      Anonymous   Communications . . . . . . . . . . . . . 244--244
                      Anonymous   Some New Workshop Appliances . . . . . . 245--245
                      Anonymous   Improved Dovetailing Machine . . . . . . 246--246
                      Anonymous   Centrifugal Pumping Engine . . . . . . . 246--246
                      Anonymous   New Investigations on Gallium  . . . . . 246--246
                      Anonymous   The Victoria Regia . . . . . . . . . . . 247--247
                      Anonymous   Redier's New Registering Thermometer . . 248--249
                      Anonymous   The Philadelphia Lawn Mowers . . . . . . 249--249
                    C. V. Riley   The Horn Bug . . . . . . . . . . . . . . 249--249
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 249--249
                      Anonymous   Communications Received  . . . . . . . . 252--252
                      Anonymous   The \booktitleScientific American  . . . 254--254

Scientific American
Volume 38, Number 17, April 27, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 267--267
                      Anonymous   Books: New Books and Publications  . . . 267--267
                      Anonymous   Notes and Queries  . . . . . . . . . . . 267--268
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 268--268
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 268--268
                      Anonymous   The Manufacture of Emery Wheels  . . . . 255--255
                      Anonymous   Science and Commerce as Peacemakers  . . 256--256
                      Anonymous   The Utilization of Waste Matters . . . . 256--257
                      Anonymous   ``Convict Competition''  . . . . . . . . 257--257
                      Anonymous   Sterilization by Light . . . . . . . . . 257--257
                      Anonymous   A Dangerous Item . . . . . . . . . . . . 257--257
                      Anonymous   The Culture of House Plants  . . . . . . 258--258
                Geo. M. Hopkins   A Water Lens Microscope  . . . . . . . . 258--258
                      Anonymous   Compound Marine Engines  . . . . . . . . 259--260
                      Anonymous   Communications . . . . . . . . . . . . . 260--260
                      Anonymous   Plant Mind . . . . . . . . . . . . . . . 260--260
                      Anonymous   Steam Boiler Inspection  . . . . . . . . 261--262
                      Anonymous   Improved Variable Exhaust  . . . . . . . 262--262
                      Anonymous   Combined Dinner Fail and Lantern . . . . 262--262
                      Anonymous   The Three-Tailed Birthwort . . . . . . . 263--263
                      Anonymous   The Baobab Tree  . . . . . . . . . . . . 263--263
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 264--264
                      Anonymous   Coleman's Improved Pipe Wrench . . . . . 264--265
                      Anonymous   A New Vehicle  . . . . . . . . . . . . . 265--266
                      Anonymous   French Band Saw Blades . . . . . . . . . 266--266
                      Anonymous   Communications Received  . . . . . . . . 268--268
                      Anonymous   The \booktitleScientific American  . . . 270--270

Scientific American
Volume 38, Number 18, May 4, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 283--283
                      Anonymous   Books: New Books and Publications  . . . 283--283
                      Anonymous   Notes and Queries  . . . . . . . . . . . 283--283
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 284--284
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 286--286
                      Anonymous   New Mechanical Inventions  . . . . . . . 271--271
                      Anonymous   Improved Machine Tools . . . . . . . . . 271--271
                      Anonymous   How Patents Affect Prices  . . . . . . . 272--272
                      Anonymous   What is Life?  . . . . . . . . . . . . . 272--273
                      Anonymous   The Decline of the Ironclad  . . . . . . 273--273
                      Anonymous   Congress and the Patent Office Funds . . 273--274
                      Anonymous   Improved Machine Tools . . . . . . . . . 274--274
                      Anonymous   Hydraulic Mining in California . . . . . 274--275
                      Anonymous   Improved Tool Stocks for Dental Engines  275--275
                      Anonymous   Communications . . . . . . . . . . . . . 276--276
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 277--277
                      Anonymous   New York Academy of Sciences . . . . . . 277--278
                      Anonymous   Lining Roofs with Mineral Wool . . . . . 278--278
                      Anonymous   Improved Insect Powder Blower  . . . . . 278--278
                      Anonymous   The Boiling Lake of Dominica . . . . . . 279--279
                      Anonymous   Improved Clam Baker  . . . . . . . . . . 279--280
                      Anonymous   The Pyrenean Pine  . . . . . . . . . . . 280--280
                      Anonymous   The Oil Bearing Sands of Pennsylvania    280--281
                      Anonymous   Improved Pipe Tongs  . . . . . . . . . . 281--281
                      Anonymous   Improved Receiver and Stench Trap  . . . 281--281
                      Anonymous   Influence of Cosmical Matter . . . . . . 281--281
                      Anonymous   Proposed Injustice to Inventors  . . . . 282--282
                      Anonymous   Hydrobromic Acid . . . . . . . . . . . . 282--282
                      Anonymous   Communications Received  . . . . . . . . 283--283
                      Anonymous   The \booktitleScientific American  . . . 284--284

Scientific American
Volume 38, Number 19, May 11, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 299--299
                      Anonymous   Books: New Books and Publications  . . . 299--299
                      Anonymous   Notes and Queries  . . . . . . . . . . . 299--300
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 302--302
                      Anonymous   Aerial Warfare . . . . . . . . . . . . . 287--288
                      Anonymous   Arguments for Section 11 . . . . . . . . 288--299
                      Anonymous   A National Sanitary Precaution . . . . . 289--289
                      Anonymous   Teaching Science . . . . . . . . . . . . 289--289
                      Anonymous   A Ready Means of Estimating the Valuable
                                  Constituents of Cereals, Etc.  . . . . . 289--289
                      Anonymous   The Eclipse Injector . . . . . . . . . . 290--290
                      Anonymous   Improved Wagon Box Adjuster and
                                  Fastenings . . . . . . . . . . . . . . . 290--291
                      Anonymous   Improved Saw Mill Head Block . . . . . . 291--291
                      Anonymous   Gilbert's Wash Basin Valve . . . . . . . 291--292
                      Anonymous   Communications . . . . . . . . . . . . . 292--293
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 293--293
                      Anonymous   Ostrich Farming in South Africa  . . . . 294--296
                      Anonymous   The Premier Tricycle . . . . . . . . . . 296--296
                      Anonymous   Plant Mind . . . . . . . . . . . . . . . 296--296
                      Anonymous   Improved Wood Planer . . . . . . . . . . 297--297
                      Anonymous   Improved Lifting Jack  . . . . . . . . . 297--297
                      Anonymous   American Academy of Sciences . . . . . . 297--298
                      Anonymous   The Cause of Brick Incrustations . . . . 298--298
                      Anonymous   Communications Received  . . . . . . . . 300--300
                      Anonymous   Lists and Specifications of Patents  . . 300--300
                      Anonymous   The \booktitleScientific American  . . . 300--300

Scientific American
Volume 38, Number 20, May 18, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 316--316
                      Anonymous   Books: New Books and Publications  . . . 316--316
                      Anonymous   Notes and Queries  . . . . . . . . . . . 316--316
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 318--318
                      Anonymous   Combining the Strands of the East River
                                  Bridge Cables  . . . . . . . . . . . . . 303--303
                      Anonymous   A Raid on Inventors' Rights  . . . . . . 304--304
                      Anonymous   The Mechanics of the Bicycle . . . . . . 304--305
                      Anonymous   Captain Eads' Proposed Improvements of
                                  the Mississippi and St. John's Rivers    305--305
                      Anonymous   The Confectioner Regarded in the Light
                                  of a Colorman  . . . . . . . . . . . . . 305--305
                      Anonymous   Congress to be Made a Patent Mill  . . . 305--305
                      Anonymous   Advertising --- A Mode of Motion . . . . 306--306
                      Anonymous   A Rudder and Screw Combined  . . . . . . 306--306
                      Anonymous   M. Claude Bernard  . . . . . . . . . . . 307--307
                      Anonymous   The Canadian Trophy at the Paris
                                  Exhibition . . . . . . . . . . . . . . . 307--308
                      Anonymous   Detachable Spoke Vehicle Wheel . . . . . 308--309
                      Anonymous   Shute's Adjustable Safety Stilt  . . . . 309--309
                      Anonymous   Too Many Names . . . . . . . . . . . . . 309--309
                      Anonymous   Improved Calender Clock  . . . . . . . . 309--309
                      Anonymous   The Buckeye Automatic Steam Engine . . . 310--310
                      Anonymous   The British Indian Exhibit . . . . . . . 311--312
                      Anonymous   The Production of Artificial Monsters    312--312
                      Anonymous   M. Plante's New Investigations on the
                                  Effects of High Tension Currents . . . . 313--315
                      Anonymous   Communications Received  . . . . . . . . 316--316

Scientific American
Volume 38, Number 21, May 25, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 331--331
                      Anonymous   Books: New Books and Publications  . . . 331--331
                      Anonymous   Notes and Queries  . . . . . . . . . . . 331--331
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 334--334
                      Anonymous   Improved Feed Water Heater and Purifier  319--319
                      Anonymous   The Black Sile Deception . . . . . . . . 320--320
                      Anonymous   A New Opportunity to Secure Foreign
                                  Trade. --- \booktitleScientific American
                                  Export Edition . . . . . . . . . . . . . 321--321
                      Anonymous   Spirit Strings and Morbid Minds  . . . . 321--321
                      Anonymous   The Transit of Mercury and the
                                  Inter-Mercurial Body . . . . . . . . . . 322--322
                      Anonymous   Our Naval Necessities  . . . . . . . . . 322--322
                      Anonymous   The Accident to the Machinery of the
                                  Steamer Old Colony . . . . . . . . . . . 322--323
                      Anonymous   What are the Causes that Affect the
                                  Taste of Drinking Waters?  . . . . . . . 323--324
                      Anonymous   Communications . . . . . . . . . . . . . 324--324
                      Anonymous   Our Simian Visitors  . . . . . . . . . . 325--325
                      Anonymous   The Injector . . . . . . . . . . . . . . 325--325
                      Anonymous   Winterburn's Regulator for Oil Stove
                                  Wicks  . . . . . . . . . . . . . . . . . 326--326
                      Anonymous   Improved Differential Pressure Regulator 326--326
                      Anonymous   Improves Farm Gate . . . . . . . . . . . 326--326
                   C. Few Seiss   Fangs of Serpents  . . . . . . . . . . . 327--327
                      Anonymous   Waterspouts  . . . . . . . . . . . . . . 327--328
                      Anonymous   Improved Spring Bed  . . . . . . . . . . 328--328
                      Anonymous   Improved Grinding Mills  . . . . . . . . 328--328
                      Anonymous   Machinery Vs. Manual Labor . . . . . . . 329--329
                      Anonymous   M. Victor Regnault . . . . . . . . . . . 329--329
                      Anonymous   Proposed Bridge over the Thames  . . . . 329--329
                      Anonymous   Bastard Patent Rights  . . . . . . . . . 329--330
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 330--330
                      Anonymous   Communications Received  . . . . . . . . 331--332

Scientific American
Volume 38, Number 22, June 1, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 348--348
                      Anonymous   Notes and Queries  . . . . . . . . . . . 348--348
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 350--350
                      Anonymous   The Roberts Engine . . . . . . . . . . . 242--243
                Geo. M. Hopkins   An Electrical Gyroscope  . . . . . . . . 335--335
                      Anonymous   Do Inventions Injure the Laborer?  . . . 336--336
                      Anonymous   Professor Joseph Henry . . . . . . . . . 336--337
                      Anonymous   Meddlers in Arts in which they are not
                                  Skilled  . . . . . . . . . . . . . . . . 337--337
                      Anonymous   Clearance and Compression  . . . . . . . 337--337
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 338--338
                      Anonymous   Russian Torpedo Boats  . . . . . . . . . 338--338
                      Anonymous   The Empire Dustless Ash Sifter . . . . . 338--339
                      Anonymous   Andrews' Draught Apparatus for Stoves    339--339
                      Anonymous   Improved Mosquito Net Frame  . . . . . . 339--339
                      Anonymous   Communications . . . . . . . . . . . . . 340--340
                  L. L. Duerden   Notes on the Telephone . . . . . . . . . 341--341
                      Anonymous   Improved Vertical and Horizontal Vise    342--342
                      Anonymous   New Collapsing Boat  . . . . . . . . . . 343--343
                      Anonymous   The Ant Bear . . . . . . . . . . . . . . 343--343
                      Anonymous   Cigarette Making by Machinery  . . . . . 344--344
                      Anonymous   Recent Eruption of Mount Hecla . . . . . 345--345
                      Anonymous   American Steam Fire Engines  . . . . . . 345--345
                      Anonymous   Some Recent Facts About Common Poisons   346--346
                      Anonymous   Perpetual Motion . . . . . . . . . . . . 346--347
             J. Walter Wood and   
                Alfred M. Mayer   Observations on the Transit of Mercury
                                  of May 6, 1878 . . . . . . . . . . . . . 347--347
                      Anonymous   Communication Received . . . . . . . . . 348--348

Scientific American
Volume 38, Number 23, June 8, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 363--363
                      Anonymous   Notes and Queries  . . . . . . . . . . . 363--363
                      Anonymous   Index of Inventions  . . . . . . . . . . 363--364
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 366--366
                      Anonymous   Brush Making by Machinery  . . . . . . . 351--352
                      Anonymous   American Productions Abroad  . . . . . . 352--353
                      Anonymous   The Carbon Telephone . . . . . . . . . . 353--354
                      Anonymous   The Buffalo Forge  . . . . . . . . . . . 354--354
                      Anonymous   Improved Signal Egg Boiler . . . . . . . 354--354
                      Anonymous   The Brownian Movement  . . . . . . . . . 354--354
                      Anonymous   A Reliable Test Gold and Silver Coin . . 355--355
                      Anonymous   Improved Wagon Jack  . . . . . . . . . . 355--355
                      Anonymous   Improved Sled  . . . . . . . . . . . . . 355--355
                      Anonymous   Improved Argand Lamp Burner  . . . . . . 355--356
                      Anonymous   Gas Motors . . . . . . . . . . . . . . . 356--356
                      Anonymous   Boiler Corrosion . . . . . . . . . . . . 356--357
                      Anonymous   Swiss Testimony to the Advantages of Our
                                  Patent System  . . . . . . . . . . . . . 357--357
                      Anonymous   A Remarkable Picture of the Moon . . . . 357--357
                      Anonymous   Improved Rotary Force Pump . . . . . . . 358--358
                      Anonymous   Improved Geared Friction Shaper  . . . . 358--358
                      Anonymous   The Paris Exhibition Building at the
                                  Trocadero  . . . . . . . . . . . . . . . 358--358
                      Anonymous   African Diamonds . . . . . . . . . . . . 360--360
                      Anonymous   Physiological Effects of Thirst  . . . . 360--360
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 361--361
                      Anonymous   Proposed Thames Bridge . . . . . . . . . 361--361
                      Anonymous   M. Becquerel . . . . . . . . . . . . . . 361--362
                      Anonymous   Notes of Patent Office Decisions . . . . 362--362
                      Anonymous   Is it a Mere Coincidence?  . . . . . . . 362--362
                      Anonymous   Communications Received  . . . . . . . . 363--363

Scientific American
Volume 38, Number 24, June 15, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 379--379
                      Anonymous   Books: New Books and Publications  . . . 379--379
                      Anonymous   Notes and Queries  . . . . . . . . . . . 379--379
                      Anonymous   Index of Inventions  . . . . . . . . . . 379--380
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 382--382
                      Anonymous   The High-Level Street Railways of New
                                  York . . . . . . . . . . . . . . . . . . 367--367
                      Anonymous   Silver Mining in Massachusetts . . . . . 368--368
                      Anonymous   Counterfeit Coin . . . . . . . . . . . . 368--369
                      Anonymous   Artificial Fuel  . . . . . . . . . . . . 369--369
                      Anonymous   Silver in Art  . . . . . . . . . . . . . 369--369
                      Anonymous   Formation of Planetary Rings and
                                  Satellites . . . . . . . . . . . . . . . 369--370
                      Anonymous   Vertical Engines and Boilers . . . . . . 371--371
                      Anonymous   School Shops . . . . . . . . . . . . . . 371--371
                      Anonymous   Improved Automatic Knife Grinder . . . . 371--372
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 372--372
                      Anonymous   Notes of Patent Office Decisions . . . . 372--372
                    Joshua Rose   Method of Correcting a Leasing Screw . . 373--373
                      Anonymous   Firework Making  . . . . . . . . . . . . 373--374
                      Anonymous   The Glass Ball Caster  . . . . . . . . . 374--374
                      Anonymous   The Industrial West  . . . . . . . . . . 374--374
                      Anonymous   The Prairie Dog and Its Uninvited Quests 375--375
                      Anonymous   Remains of Gigantic Antediluvians  . . . 375--376
                      Anonymous   Cooking by Solar Heat  . . . . . . . . . 376--376
                      Anonymous   Producing Accurate Spheres . . . . . . . 376--376
                      Anonymous   Organography, or Vegetable Anatomy . . . 377--377
                      Anonymous   Mexican Flora  . . . . . . . . . . . . . 377--378
                      Anonymous   Communications Received  . . . . . . . . 379--379

Scientific American
Volume 38, Number 25, June 22, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 396--396
                      Anonymous   Books: New Books and Publications  . . . 396--396
                      Anonymous   Notes and Queries  . . . . . . . . . . . 396--396
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 398--398
                      Anonymous   The Paris Exhibition . . . . . . . . . . 383--383
                      Anonymous   The Problem of Unsinkable Ships  . . . . 384--384
                      Anonymous   The Phonograph Wins a Victory  . . . . . 384--384
                      Anonymous   Reapers and Mowers at the Paris
                                  Exposition . . . . . . . . . . . . . . . 384--384
                      Anonymous   Edison's Micro-Tasimeter . . . . . . . . 385--385
                      Anonymous   Good Work from Cheap Patents . . . . . . 385--385
                      Anonymous   Collmann's Valve Gear  . . . . . . . . . 386--387
                      Anonymous   An Ether Ice-Making Machine  . . . . . . 387--387
                      Anonymous   Improved Shoe Brush  . . . . . . . . . . 387--388
                      Anonymous   Communications . . . . . . . . . . . . . 388--388
                      Anonymous   Hughes' Microphone an Alleged Piracy . . 388--388
                   John Michels   The Trichinze in Shad  . . . . . . . . . 389--389
                      Anonymous   Microscopy . . . . . . . . . . . . . . . 389--390
                      Anonymous   Carr's Improved Dredger  . . . . . . . . 390--390
                      Anonymous   Improved Hot Air Furnace . . . . . . . . 390--391
                      Anonymous   Birds of Paradise  . . . . . . . . . . . 391--392
                      Anonymous   M. Trouve's New Telephone Improvements   392--392
                      Anonymous   Plant Mind . . . . . . . . . . . . . . . 393--393
                      Anonymous   A Novel Chain Pump . . . . . . . . . . . 393--393
                      Anonymous   Letters from the Paris Exhibition  . . . 394--394
                      Anonymous   Catalpa Wood . . . . . . . . . . . . . . 395--395
                      Anonymous   Fence Economy  . . . . . . . . . . . . . 395--395
                      Anonymous   Communications Received  . . . . . . . . 396--396

Scientific American
Volume 38, Number 26, June 29, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 410--410
                      Anonymous   Books: New Books and Publications  . . . 410--410
                      Anonymous   Notes and Queries  . . . . . . . . . . . 410--410
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 411--412
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 414--414
                      Anonymous   The Firmenich Safety Steam Boiler  . . . 399--399
                      Anonymous   Mind, Muscle, and Machinery  . . . . . . 400--400
                      Anonymous   A Neglected Industry . . . . . . . . . . 400--401
                      Anonymous   A Keely Seance . . . . . . . . . . . . . 401--401
                      Anonymous   An Industrial Paradox  . . . . . . . . . 401--401
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 402--402
                      Anonymous   Fire Telegraphs in Germany . . . . . . . 402--404
                      Anonymous   Our Iron Industry  . . . . . . . . . . . 404--404
                      Anonymous   Combination Needle and Thread Cutter . . 404--404
                      Anonymous   A Simple Furnace . . . . . . . . . . . . 404--404
                      Anonymous   Communications . . . . . . . . . . . . . 404--405
                      Anonymous   Notes from the Paris Exhibition  . . . . 405--406
                      Anonymous   Improved Shears for Marking Stock  . . . 406--406
                      Anonymous   File Sharpening by the Sand Blast  . . . 406--406
                      Anonymous   The Doum Palm  . . . . . . . . . . . . . 407--407
                      Anonymous   Official Prejudice . . . . . . . . . . . 407--407
                      Anonymous   Improved Yielding Hat  . . . . . . . . . 407--407
                      Anonymous   Notes of Patent Law-Decisions of the
                                  Courts . . . . . . . . . . . . . . . . . 407--408
                      Anonymous   The New Laurent Saccharometer  . . . . . 408--408
                      Anonymous   Patent Gear-Dressing Machine . . . . . . 409--409
                      Anonymous   An Improved Gang Plow  . . . . . . . . . 409--409
                      Anonymous   Poisonous Leguminous Plants  . . . . . . 409--409


Scientific American
Volume 39, Number 1, July 6, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 12--12
                      Anonymous   Notes and Queries: Notes and Quries  . . 12--12
              George M. Hopkins   Electrical Indicator for Showing the
                                  Rotation of the Earth  . . . . . . . . . 1--5
                      Anonymous   The Elevated Railroad Nuisance . . . . . 2--2
                      Anonymous   Steam Boilers  . . . . . . . . . . . . . 2--2
                      Anonymous   Progress of our Western Industries . . . 2--3
                      Anonymous   The Decline of the Whaling Industry  . . 3--3
                      Anonymous   Transmitting Power by Electricity  . . . 3--3
                      Anonymous   \booktitleScientific American export
                                  Edition for June . . . . . . . . . . . . 3--3
                      Anonymous   The Eothen Arctic Expedition . . . . . . 3--3
                      Anonymous   Patent Matters in Congress . . . . . . . 3--3
                      Anonymous   Horizontal Condensing Engine at the
                                  Paris Exhibition . . . . . . . . . . . . 4--4
                      Anonymous   Mr. Thomas A. Edison . . . . . . . . . . 5--5
                      Anonymous   Patteson's Improved Car Coupling . . . . 5--6
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 7--7
                      Anonymous   Improved Wrench  . . . . . . . . . . . . 8--8
                      Anonymous   Radial Drilling Machine  . . . . . . . . 8--8
                      Anonymous   Improved Self-Oiling Car Wheel . . . . . 8--9
                      Anonymous   The White head Torpedo . . . . . . . . . 9--9
                      Anonymous   Edison's Telephonic Researches . . . . . 10--11

Scientific American
Volume 39, Number 2, July 13, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 27--27
                      Anonymous   Books: New Books and Publications  . . . 27--27
                      Anonymous   Notes and Queries  . . . . . . . . . . . 27--28
                      Anonymous   Index of Inventions  . . . . . . . . . . 28--28
                      Anonymous   The Adams Gas Process  . . . . . . . . . 15--16
                      Anonymous   The Invention of the Microphone  . . . . 16--16
                      Anonymous   Preparation of Iron Fuels  . . . . . . . 16--16
                      Anonymous   Millstones . . . . . . . . . . . . . . . 16--16
                      Anonymous   An Hour with Edison  . . . . . . . . . . 17--17
                      Anonymous   Unsinkable Steam Vessels . . . . . . . . 18--18
                      Anonymous   Lever and cam Valve  . . . . . . . . . . 19--19
                      Anonymous   Ingenious Toy  . . . . . . . . . . . . . 19--19
                      Anonymous   Milk as a Substitute for Blood
                                  Transfusion  . . . . . . . . . . . . . . 19--19
                      Anonymous   A Simple Fire Escape . . . . . . . . . . 19--19
                      Anonymous   Communication  . . . . . . . . . . . . . 20--20
                    Bellerophon   The Etiology of Asiatic Cholera. --- a
                                  New Theory . . . . . . . . . . . . . . . 20--20
                     John Blair   Proposed Process for the Fixation of
                                  Atmospheric Nitrogen . . . . . . . . . . 21--21
                      Anonymous   Improved Beehive . . . . . . . . . . . . 22--22
                      Anonymous   Cross' Improved Gas Condenser  . . . . . 22--23
                      Anonymous   The Swiss House at the Paris Exposition  23--23
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 23--23
                      Anonymous   The St. Beno\^\it Twins  . . . . . . . . 24--25
                      Anonymous   Curious Hedge figures  . . . . . . . . . 25--25
                      Anonymous   The Leona Goat Sucker  . . . . . . . . . 25--26

Scientific American
Volume 39, Number 3, July 20, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 43--43
                      Anonymous   Notes and Queries  . . . . . . . . . . . 43--43
                      Anonymous   Index of Inventions  . . . . . . . . . . 43--44
                      Anonymous   Improved Variable automatic Cut-off  . . 31--32
                      Anonymous   The uses of Mechanism  . . . . . . . . . 32--32
                      Anonymous   Working Gold Ores  . . . . . . . . . . . 32--33
                  S. P. Langley   The Sun  . . . . . . . . . . . . . . . . 33--34
                      Anonymous   Professor Edison's New Carbon Rheostat   35--35
                      Anonymous   The Chase Elemental Governor . . . . . . 35--37
                      Anonymous   Communications . . . . . . . . . . . . . 37--37
                      Anonymous   Improved Piston Rod Stuffing Box . . . . 38--38
                      Anonymous   Improved Automatic Fan . . . . . . . . . 38--38
                      Anonymous   Improved Step Box  . . . . . . . . . . . 38--39
                      Anonymous   Wood Carver of Simla . . . . . . . . . . 39--40
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 40--40
                      Anonymous   The Phonograph . . . . . . . . . . . . . 40--40
                      Anonymous   Apparatus for Administering Medicine to
                                  Horses . . . . . . . . . . . . . . . . . 41--41
                      Anonymous   A Boat Older Than the Ark  . . . . . . . 41--42
                      Anonymous   The Otto Bicycle . . . . . . . . . . . . 42--42
                      Anonymous   A Simple Gas Generator . . . . . . . . . 42--42

Scientific American
Volume 39, Number 4, July 27, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 59--59
                      Anonymous   Notes and Queries  . . . . . . . . . . . 59--60
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   The new Twin Steamer ``Calais-Douvées''   47--47
                      Anonymous   Vulcanizing Rubber . . . . . . . . . . . 48--48
                      Anonymous   Strawberries and Constipation  . . . . . 48--48
                      Anonymous   Professor Langley's Papers on the Sun    48--48
                      Anonymous   Destruction Vs Construction of Ironclads 48--49
                  S. P. Langley   The Sun  . . . . . . . . . . . . . . . . 49--50
                      Anonymous   Edison's Phonomoter  . . . . . . . . . . 51--51
                      Anonymous   Excavating Scoop, New Mechanical
                                  Inventions, and More . . . . . . . . . . 51--52
                      Anonymous   Communications . . . . . . . . . . . . . 52--52
                    Joshua Rose   How to Use a File  . . . . . . . . . . . 53--53
                      Anonymous   New Screw Cutting Lathe  . . . . . . . . 53--54
                      Anonymous   New Cloth Measuring Apparatus  . . . . . 54--54
                      Anonymous   Gampert's Wood-Sole Shoe . . . . . . . . 54--55
                      Anonymous   Landing of Cleopatra's Needle  . . . . . 55--56
                      Anonymous   The Total Eclipse of the Sun . . . . . . 56--57
                      Anonymous   New Iron Fence . . . . . . . . . . . . . 57--57
                      Anonymous   The Adjutant . . . . . . . . . . . . . . 57--58
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 58--58
                      Anonymous   The Curiosities of Tobacco . . . . . . . 58--58
                      Anonymous   Preserving Fish by Hydraulic Pressure    58--58
                      Anonymous   Communications Received  . . . . . . . . 60--60

Scientific American
Volume 39, Number 5, August 3, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 75--75
                      Anonymous   Books: New Books and Publications  . . . 75--75
                      Anonymous   Notes and Queries  . . . . . . . . . . . 75--75
                      Anonymous   Index of Inventions  . . . . . . . . . . 76--76
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 78--78
                      Anonymous   ``Snyder's Little Giant'' Engine . . . . 63--63
                      Anonymous   Smoke and Sparks . . . . . . . . . . . . 64--64
                      Anonymous   Costs of Silver Amalgamation . . . . . . 64--64
                      Anonymous   Advertising for Foreign Trade  . . . . . 64--64
                      Anonymous   French Pavements . . . . . . . . . . . . 65--66
                      Anonymous   Emery Grinding Machinery . . . . . . . . 67--67
                      Anonymous   Notes of Patent Office Decisions . . . . 67--68
                      Anonymous   Communication  . . . . . . . . . . . . . 68--69
                      Anonymous   New Power Press  . . . . . . . . . . . . 69--70
                      Anonymous   New Portable Mill  . . . . . . . . . . . 70--70
                      Anonymous   The New Spanish Process for Silver and
                                  Copper . . . . . . . . . . . . . . . . . 70--70
                      Anonymous   The Australian Jabiru  . . . . . . . . . 70--70
                      Anonymous   Zoological Garden at Fairmount Park
                                  Philadelphia . . . . . . . . . . . . . . 71--71
                      Anonymous   Sheet Metal Working Presses  . . . . . . 72--72
                      Anonymous   Rules for Artificial Respiration in the
                                  Treatment of the Drowned . . . . . . . . 73--73
                      Anonymous   A Camera Improvement . . . . . . . . . . 73--73
                      Anonymous   Safety Oxygen apparatus  . . . . . . . . 73--73
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 74--74
                      Anonymous   Communications Received  . . . . . . . . 75--76

Scientific American
Volume 39, Number 6, August 10, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 91--91
                      Anonymous   Books: New Books and Publications  . . . 91--91
                      Anonymous   Notes and Queries  . . . . . . . . . . . 91--91
                      Anonymous   Index of Inventions  . . . . . . . . . . 91--92
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 94--94
                      Anonymous   The Paris Exhibition. --- a Sketch in
                                  the Park . . . . . . . . . . . . . . . . 79--79
                      Anonymous   Progress of Iron Making  . . . . . . . . 80--80
                      Anonymous   The Telephone as a Promoter of Science   80--80
                      Anonymous   Letter from Professor Hughes . . . . . . 80--80
                      Anonymous   The \booktitleScientific American Export
                                  Edition  . . . . . . . . . . . . . . . . 80--80
                      Anonymous   Fountain Pens  . . . . . . . . . . . . . 80--80
                  S. P. Langley   The Sun  . . . . . . . . . . . . . . . . 80--81
                      Anonymous   Mechanical Puddling in Sweden  . . . . . 82--83
                      Anonymous   A New Deep Sea Thermometer . . . . . . . 83--83
                      Anonymous   Communication  . . . . . . . . . . . . . 84--84
                      Anonymous   The Distillation of Coal . . . . . . . . 85--86
                      Anonymous   New Cutting and Boring attachment for
                                  Lathes . . . . . . . . . . . . . . . . . 86--86
                      Anonymous   New Steam Valve  . . . . . . . . . . . . 86--86
                      Anonymous   The Rhinoceros Hornbill  . . . . . . . . 87--87
                      Anonymous   The Japanese Building at the Paris
                                  Exhibition . . . . . . . . . . . . . . . 87--88
                      Anonymous   Crooked Journalism . . . . . . . . . . . 88--89
                      Anonymous   A Velocipede feat Extraordinary  . . . . 89--90
               Berlin H. Wright   Astronomical notes . . . . . . . . . . . 90--90
                      Anonymous   Communications Received  . . . . . . . . 91--91

Scientific American
Volume 39, Number 7, August 17, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 107--107
                      Anonymous   Books: New Books and Publications  . . . 107--107
                      Anonymous   Notes and Queries  . . . . . . . . . . . 107--107
                      Anonymous   Index of Inventions  . . . . . . . . . . 108--108
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 110--110
                      Anonymous   Holly's new Pumping Engine and Automatic
                                  Pressure Regulator . . . . . . . . . . . 95--96
                      Anonymous   Steam on Common Roads  . . . . . . . . . 96--96
                      Anonymous   The Eclipse of the Sun, July 29, 1878    96--96
                      Anonymous   The Discouragement of Invention  . . . . 97--97
                      Anonymous   Where our Inventors Live . . . . . . . . 97--97
                      Anonymous   Not so Many Out of Work  . . . . . . . . 97--97
                      Anonymous   The Partition of Turkey  . . . . . . . . 97--97
                      Anonymous   Artificial Indigo  . . . . . . . . . . . 97--97
                      Anonymous   Progress of Labor Saving Machinery in
                                  the South  . . . . . . . . . . . . . . . 97--98
                      Anonymous   New Cotton Spooling Machine  . . . . . . 98--98
                      Anonymous   A New Working Glove  . . . . . . . . . . 98--98
                      Anonymous   Electromagnetic Burglar Alarm Safe . . . 99--99
                      Anonymous   New Corn Plow and Marker . . . . . . . . 99--100
                Geo. M. Hopkins   Electrical Indicator for Showing the
                                  Rotation of the Earth  . . . . . . . . . 100--100
                      Anonymous   Tin Shafting Cup . . . . . . . . . . . . 100--100
                      Anonymous   The Musical Mechanism of the Cincinnati
                                  Organ  . . . . . . . . . . . . . . . . . 100--100
                      Anonymous   First Impressions of the Eclipse
                                  Observations . . . . . . . . . . . . . . 101--101
                      Anonymous   The Lechner Mining Machine . . . . . . . 102--102
                      Anonymous   The Lyre Bird  . . . . . . . . . . . . . 103--103
                      Anonymous   New Bridge over the Douro River,
                                  Portugal . . . . . . . . . . . . . . . . 103--104
                      Anonymous   Ices and ice Creaks  . . . . . . . . . . 104--104
                      Anonymous   The Manufacture of India Rubber  . . . . 105--106
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 106--106

Scientific American
Volume 39, Number 8, August 24, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 123--123
                      Anonymous   Books: New Books and Publications  . . . 123--123
                      Anonymous   Notes and Queries  . . . . . . . . . . . 123--124
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--124
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 126--126
                      Anonymous   A Chance for Inventors . . . . . . . . . 111--111
                      Anonymous   The Delaware Ship Canal  . . . . . . . . 111--111
                      Anonymous   American Inventions in Bavaria . . . . . 111--111
                      Anonymous   Edison's Megaphone . . . . . . . . . . . 111--111
                      Anonymous   Edison and the Unseen Universe . . . . . 112--112
                      Anonymous   Improvements Needed in Salt Making . . . 112--112
                      Anonymous   The new Patent Law of Spain  . . . . . . 112--112
                      Anonymous   Local Encouragement of Manufactures  . . 112--113
                      Anonymous   Independent Workers  . . . . . . . . . . 113--113
                      Anonymous   A Curious Insect . . . . . . . . . . . . 113--113
                      Anonymous   Photographic and other Views of the
                                  Eclipse  . . . . . . . . . . . . . . . . 113--113
                      Anonymous   The Eclipse. --- a note from Professor
                                  Mitchell . . . . . . . . . . . . . . . . 113--113
                      Anonymous   The Study of Real life in Schools  . . . 113--113
                      Anonymous   Further Evidence of Atlantis . . . . . . 114--115
                      Anonymous   New Trace and Pad Buckle . . . . . . . . 115--115
                      Anonymous   Quick Speed Hand Drill . . . . . . . . . 115--116
                      Anonymous   Communications . . . . . . . . . . . . . 116--116
                      Anonymous   Files and Rasps  . . . . . . . . . . . . 117--118
                      Anonymous   A Simple Phonograph  . . . . . . . . . . 118--118
                      Anonymous   Folding Shaving Horse  . . . . . . . . . 118--119
                      Anonymous   Wood's Lap Ring  . . . . . . . . . . . . 119--119
                      Anonymous   Paris Exhibition. --- the Italian Facade 119--120
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 120--121
                      Anonymous   Oliver's Screw-Headed Key  . . . . . . . 121--121
                      Anonymous   New Tin Roving Can . . . . . . . . . . . 121--122
                      Anonymous   Communications Received  . . . . . . . . 124--124

Scientific American
Volume 39, Number 9, August 31, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 139--139
                      Anonymous   Books: New Books and Publications  . . . 139--139
                      Anonymous   Notes and Queries  . . . . . . . . . . . 139--140
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 142--142
                      Anonymous   The Balance Dynamometer  . . . . . . . . 127--127
                      Anonymous   The Rights of Investigators  . . . . . . 128--128
                      Anonymous   The Planet Vulcan  . . . . . . . . . . . 128--128
                      Anonymous   Ammonia in the Air . . . . . . . . . . . 128--128
                      Anonymous   Soft vs Hard Iron  . . . . . . . . . . . 128--129
                      Anonymous   The New Divinity . . . . . . . . . . . . 129--129
                      Anonymous   The West as a Field for Manufactures . . 129--129
                      Anonymous   Pneumatic Engines for Street Cabs  . . . 129--129
                      Anonymous   A False Alarm  . . . . . . . . . . . . . 129--129
                      Anonymous   The Wallingford Tornado  . . . . . . . . 129--129
                      Anonymous   Captive Balloon of 1878  . . . . . . . . 130--132
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 133--133
                      Anonymous   New Oscillating Valve  . . . . . . . . . 134--134
                      Anonymous   New Rein Holder  . . . . . . . . . . . . 134--134
                      Anonymous   The Needham Musical Cabinet  . . . . . . 134--135
                Geo. M. Hopkins   The Speaking Flame . . . . . . . . . . . 135--136
                      Anonymous   The Mesquite . . . . . . . . . . . . . . 137--138
                      Anonymous   Communications Received  . . . . . . . . 140--140

Scientific American
Volume 39, Number 10, September 7, 1878

                      Anonymous   Correspondence . . . . . . . . . . . . . 148--149
                      Anonymous   Business and Personal  . . . . . . . . . 155--155
                      Anonymous   Books: New Books and Publications  . . . 155--155
                      Anonymous   Notes and Queries  . . . . . . . . . . . 155--156
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--156
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 158--158
                      Anonymous   The Chinese Building at the Paris
                                  Exhibition . . . . . . . . . . . . . . . 143--143
                      Anonymous   Independence among Artisans  . . . . . . 144--144
                      Anonymous   What Americans Have Done for Turkey  . . 144--145
                      Anonymous   Some Eggstraordinary Inventions  . . . . 145--145
                      Anonymous   The Mining Outlook . . . . . . . . . . . 145--145
                      Anonymous   New Pulley Turning Machine . . . . . . . 146--146
                      Anonymous   Sheaf-Binding Apparatus  . . . . . . . . 146--147
                      Anonymous   Bartholdi's Statue of Liberty  . . . . . 147--147
                      Anonymous   Wenzel's Nickel Anode  . . . . . . . . . 150--150
                      Anonymous   A Novel Animal Trap  . . . . . . . . . . 150--150
                      Anonymous   A New Candlestick  . . . . . . . . . . . 150--150
                      Anonymous   The Spider Crab  . . . . . . . . . . . . 151--152
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 152--152
                      Anonymous   The New Harbor for Boulogne  . . . . . . 153--153
                      Anonymous   New Telephone Call Signal  . . . . . . . 153--153
                      Anonymous   Flowers. --- their Industrial and
                                  Medicinal Uses . . . . . . . . . . . . . 154--154
                      Anonymous   The Chlorination of Copper . . . . . . . 154--154
                      Anonymous   Communication Received . . . . . . . . . 156--156

Scientific American
Volume 39, Number 11, September 14, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 171--171
                      Anonymous   Books: New Books and Publications  . . . 171--171
                      Anonymous   Notes and Queries  . . . . . . . . . . . 171--171
                      Anonymous   Index of Inventions  . . . . . . . . . . 171--172
                      Anonymous   Waiting for Something to Turn up . . . . 160--160
                      Anonymous   Charitable Colonizing  . . . . . . . . . 160--160
                      Anonymous   Value of Observation in Invention  . . . 160--160
                      Anonymous   Speculative Mining . . . . . . . . . . . 160--161
                      Anonymous   The American Association at St. Louis    161--161
                      Anonymous   Facade of the Danish Section at the
                                  Paris Exhibition . . . . . . . . . . . . 161--161
                      Anonymous   American Plows in France . . . . . . . . 161--161
                      Anonymous   Paris Exhibition of 1878 . . . . . . . . 162--165
                      Anonymous   A New Sheep Protector  . . . . . . . . . 166--166
                      Anonymous   Elwell's Middlings Separator . . . . . . 166--166
                      Anonymous   The Tailor Bird  . . . . . . . . . . . . 167--167
                      Anonymous   The American Arctic Expedition . . . . . 167--168
                      Anonymous   A Novel Railway Car Window . . . . . . . 168--168
                      Anonymous   New Coffee Pot . . . . . . . . . . . . . 168--168
                      Anonymous   Lescale's Automatic Fire Escape  . . . . 169--170
                Geo. M. Hopking   The Micro-Telephone  . . . . . . . . . . 170--170
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 170--170

Scientific American
Volume 39, Number 12, September 21, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 187--187
                      Anonymous   Notes and Queries  . . . . . . . . . . . 187--188
                      Anonymous   Index of Inventions  . . . . . . . . . . 188--188
                      Anonymous   Electric Lighting  . . . . . . . . . . . 175--178
                      Anonymous   The Origin of American Mechanical Genius 176--176
                      Anonymous   The Utilization of Weeds . . . . . . . . 176--176
                      Anonymous   Mental Experimenting . . . . . . . . . . 176--177
                      Anonymous   Senate Bill No. 300  . . . . . . . . . . 177--177
                      Anonymous   The British Association  . . . . . . . . 177--177
                      Anonymous   The Imagination in the Constructive Arts 177--177
                      Anonymous   The Bag-Worm's Mother  . . . . . . . . . 177--177
                      Anonymous   The Dynamometer of the Great Captive
                                  Balloon at the Paris Exhibition  . . . . 179--179
                      Anonymous   Sheaf Binding  . . . . . . . . . . . . . 179--180
                      Anonymous   Gang Plow Trials --- Paris Exhibition    180--181
                      Anonymous   A New \em Camera Lucida  . . . . . . . . 181--181
                      Anonymous   Notes of Patent Law  . . . . . . . . . . 181--181
                      Anonymous   A New Head Protector . . . . . . . . . . 182--182
                      Anonymous   The Polyscope  . . . . . . . . . . . . . 182--182
                      Anonymous   Potato Digger  . . . . . . . . . . . . . 182--183
                      Anonymous   Gathering the Sap of the Maguey  . . . . 183--183
                      Anonymous   The Tufted Coquette  . . . . . . . . . . 183--183
                      Anonymous   The Lagetto or Lace-Bark Tree  . . . . . 184--184
                      Anonymous   Professor Palmieri's Diagometer  . . . . 185--186
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 186--186
                      Anonymous   Communications Received  . . . . . . . . 188--188

Scientific American
Volume 39, Number 13, September 28, 1878

                      Anonymous   Correspondence . . . . . . . . . . . . . 196--198
                      Anonymous   Business and Personal  . . . . . . . . . 203--203
                      Anonymous   Books: New Books and Publications  . . . 203--203
                      Anonymous   Notes and Queries  . . . . . . . . . . . 203--204
                      Anonymous   Index of Inventions  . . . . . . . . . . 204--204
                      Anonymous   Paris Exhibition --- the Facades of
                                  Annam, Persia, Siam, Tunis, Monaco, and
                                  San Marino, New Explosive, and More  . . 191--191
                      Anonymous   Pocket Life Buoys  . . . . . . . . . . . 192--192
                      Anonymous   The Heroes of the Pestilence . . . . . . 192--192
                      Anonymous   Silver Mining Here and Abroad  . . . . . 192--193
                      Anonymous   Corundum. --- Its Occurrence and
                                  Distribution . . . . . . . . . . . . . . 193--193
                      Anonymous   Notes of Patent Office Decisions . . . . 193--193
                      Anonymous   The Captive Balloon-Apparatus for
                                  Testing the Strength of Materials  . . . 194--195
                      Anonymous   Ancient Stand for Yule Log . . . . . . . 195--195
                      Anonymous   A Cabinet  . . . . . . . . . . . . . . . 195--196
                      Anonymous   The Raising of the Eurydice  . . . . . . 198--199
                Geo. M. Hopkins   Simple Electric Light Apparatus  . . . . 200--200
                      Anonymous   Interesting Experiments with Lycopodium
                                  Seeds  . . . . . . . . . . . . . . . . . 200--200
                      Anonymous   Method of Determining the Position of
                                  Vessels  . . . . . . . . . . . . . . . . 200--201
                      Anonymous   The Neomorpha  . . . . . . . . . . . . . 201--202
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 202--202
                      Anonymous   Communications Received  . . . . . . . . 204--204

Scientific American
Volume 39, Number 14, October 5, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 219--219
                      Anonymous   Notes and Queries  . . . . . . . . . . . 219--220
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--220
                      Anonymous   The Pneumatic Clock, Depth to which
                                  Roots Penetrate, and more  . . . . . . . 207--207
                      Anonymous   Steam on the Common Roads  . . . . . . . 208--208
                      Anonymous   People Who Can't be Helped . . . . . . . 208--208
                      Anonymous   Working of Copper Ores . . . . . . . . . 208--208
                      Anonymous   Conference of Swiss Wrists at Geneva . . 209--209
                      Anonymous   The ``True Thread''  . . . . . . . . . . 209--209
                      Anonymous   A Promising Field for Invention  . . . . 209--209
                      Anonymous   American Dexterity . . . . . . . . . . . 209--209
                      Anonymous   Cuba as a Field for Enterprise . . . . . 209--209
                      Anonymous   An Inventor's Difficulties in England,
                                  The Secret of Soap and Water, and more   209--210
                      Anonymous   Testing Machines at the Paris Exhibition 210--212
                      Anonymous   The Recent Eclipse of the Sun  . . . . . 212--212
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 212--213
                      Anonymous   How to Test a Lathe  . . . . . . . . . . 213--213
                      Anonymous   The Stylographic Pen, an Accident on the
                                  Mt Washington Railroad, and more . . . . 213--214
                      Anonymous   Zoological Garden at Fairmount Park,
                                  Philadelphia, How Calicoes are Made, and
                                  more . . . . . . . . . . . . . . . . . . 214--216
                      Anonymous   The Porcupine Ant Eaters Recently
                                  Discovered in New Guinea, Hair Eels, and
                                  more . . . . . . . . . . . . . . . . . . 217--218
                      Anonymous   The new Carpet Beetle, Lac, and more . . 218--218

Scientific American
Volume 39, Number 15, October 12, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 234--234
                      Anonymous   Notes and Queries  . . . . . . . . . . . 234--235
                      Anonymous   Index of Inventions  . . . . . . . . . . 235--236
                Geo. M. Hopkins   New Electrical Diapason  . . . . . . . . 223--223
                      Anonymous   Relation Between the Grate Surface and
                                  the Heating Surface of Boilers . . . . . 224--224
                      Anonymous   Wages and the Cost of Living . . . . . . 224--224
                      Anonymous   Magnesian Lice vs. Pure Lime for Mortar  224--225
                      Anonymous   Novel Applications of Dynamite . . . . . 225--225
                      Anonymous   Progress of Western Mining Operations    225--225
                      Anonymous   The Boston Whittling Schools . . . . . . 225--225
                      Anonymous   The Restoration of Cuba  . . . . . . . . 225--225
                      Anonymous   Our September Export Edition . . . . . . 225--225
                      Anonymous   A Remarkable Wasps' Nest . . . . . . . . 225--225
                      Anonymous   The American Prizes at Paris . . . . . . 225--226
                      Anonymous   New Electrical Diapason  . . . . . . . . 226--226
                      Anonymous   Lampblack  . . . . . . . . . . . . . . . 226--226
                      Anonymous   Hastie's Water Engine  . . . . . . . . . 227--228
                      Anonymous   Reynier's New Electric Lamp  . . . . . . 228--229
                      Anonymous   Bauer's Steel Restoring and Refining
                                  Compound, a queer Boat, and more . . . . 229--229
                      Anonymous   A New Nut Lock . . . . . . . . . . . . . 230--230
                      Anonymous   Simple Telephones  . . . . . . . . . . . 230--230
                      Anonymous   New Breech-Loading Rifle . . . . . . . . 230--231
                      Anonymous   The Bearded Saki . . . . . . . . . . . . 231--231
                      Anonymous   Red Bird of Paradise . . . . . . . . . . 231--231
                      Anonymous   The Torrey Botanical Club  . . . . . . . 231--232
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 232--232
                      Anonymous   New Stethoscopic Microphone  . . . . . . 233--233
                      Anonymous   A Platform Scale of Constant Equtlibrium 233--233
                      Anonymous   Communications Received  . . . . . . . . 235--235

Scientific American
Volume 39, Number 16, October 19, 1878

                      Anonymous   Correspondence . . . . . . . . . . . . . 244--245
                      Anonymous   Business and Personal  . . . . . . . . . 250--250
                      Anonymous   Notes and Queries  . . . . . . . . . . . 250--251
                      Anonymous   Index of Inventions  . . . . . . . . . . 251--252
                      Anonymous   Improvements in Sugar Making Wanted  . . 240--240
                      Anonymous   Dust Explosions  . . . . . . . . . . . . 240--240
                      Anonymous   A Second Matthew Vassar  . . . . . . . . 240--240
                      Anonymous   Poisonous Hats, Gloves, Stockings, and
                                  Clothing . . . . . . . . . . . . . . . . 240--241
                      Anonymous   The Pauper Tribe . . . . . . . . . . . . 241--241
                      Anonymous   Public Sanitation  . . . . . . . . . . . 241--241
                      Anonymous   A Horse's Motion Scientifically
                                  Determined . . . . . . . . . . . . . . . 241--241
                      Anonymous   Improved Education . . . . . . . . . . . 241--241
                      Anonymous   The Spectroscope in Solar Work . . . . . 242--244
                      Anonymous   A Wrinkle in Filing  . . . . . . . . . . 245--246
                      Anonymous   Improved Steam Fire Engine . . . . . . . 246--246
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 246--246
                      Anonymous   Hairy Prehensile-Tailed Porcupine  . . . 247--247
                      Anonymous   Golden Bird of Paradise  . . . . . . . . 247--247
                      Anonymous   Mechanical Exhibition at Boston  . . . . 248--248
                      Anonymous   American Goods in Brazil . . . . . . . . 248--249
                      Anonymous   To Inventors . . . . . . . . . . . . . . 250--250
                      Anonymous   Communications Received  . . . . . . . . 251--251
                      Anonymous   Value of Patents and How to Obtain Them  253--253

Scientific American
Volume 39, Number 17, October 26, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 267--267
                      Anonymous   Books: New Books and Publications  . . . 267--267
                      Anonymous   Notes and Queries  . . . . . . . . . . . 267--268
                      Anonymous   Index of Inventions  . . . . . . . . . . 268--268
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 270--270
                      Anonymous   Patents and Trade Marks in England . . . 255--255
                      Anonymous   The Manufacture of the Chickering Piano  255--255
                      Anonymous   Flow of Water Through Pipes  . . . . . . 256--256
                      Anonymous   A Cockney Plan to Banish Smoke . . . . . 256--256
                      Anonymous   Decision of the to Barrel Courts
                                  Relating Machinery . . . . . . . . . . . 256--257
                      Anonymous   The Modulus of Elasticity  . . . . . . . 257--257
                      Anonymous   The Noise of Rapid Transit --- a Chance
                                  for Inventors  . . . . . . . . . . . . . 257--257
                      Anonymous   American Agricultural Exhibits at Paris  257--257
                      Anonymous   Pneumatic Appliances for Mines . . . . . 260--261
                      Anonymous   The Alhambra . . . . . . . . . . . . . . 261--261
                      Anonymous   New Protractor . . . . . . . . . . . . . 262--262
                      Anonymous   True Time Regulator  . . . . . . . . . . 262--263
                      Anonymous   Mr. Fowler Crossing the Channel  . . . . 263--263
                      Anonymous   A New Beehive  . . . . . . . . . . . . . 263--263
                      Anonymous   Statue of Captain Cook . . . . . . . . . 264--265
                      Anonymous   New Guard for Sheep Shears . . . . . . . 265--265
                      Anonymous   New Measuring Stopper  . . . . . . . . . 265--266
                      Anonymous   To Inventors . . . . . . . . . . . . . . 267--267

Scientific American
Volume 39, Number 18, November 2, 1878

                      Anonymous   Correspondence . . . . . . . . . . . . . 276--276
                      Anonymous   Business and Personal  . . . . . . . . . 283--283
                      Anonymous   Notes and Queries  . . . . . . . . . . . 283--284
                      Anonymous   Index of Inventions  . . . . . . . . . . 284--284
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 284--284
                      Anonymous   Chard's Lubricene and Cups . . . . . . . 271--271
                      Anonymous   The Forster--Firmin Amalgamator  . . . . 271--271
                      Anonymous   The Electric Light and the Gas Companies
                                  --- Remarkable Effect of a New Invention
                                  in the Stock Markets . . . . . . . . . . 272--272
                      Anonymous   Progress in England and America  . . . . 272--272
                      Anonymous   The Incoming Commissioner of Patents . . 272--273
                      Anonymous   Success of American Exhibitors at Paris  273--273
                      Anonymous   Should the Nation Engage in Manufactures 273--273
                      Anonymous   Fuel Gas . . . . . . . . . . . . . . . . 273--273
                      Anonymous   An Improvement on the Chromos  . . . . . 273--273
                      Anonymous   A South Australian Offer for an
                                  Improvement  . . . . . . . . . . . . . . 273--274
                      Anonymous   Lymans's Trigonometer  . . . . . . . . . 274--274
                      Anonymous   The Paris Exhibition . . . . . . . . . . 274--274
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 277--278
                      Anonymous   The New Wilson Oscillating Shuttle
                                  Sewing Machine . . . . . . . . . . . . . 278--280
                      Anonymous   Serpulas, or Sea Worms . . . . . . . . . 281--281
                      Anonymous   King Tody  . . . . . . . . . . . . . . . 281--283
                      Anonymous   To Inventors . . . . . . . . . . . . . . 283--283
                      Anonymous   Communications Received  . . . . . . . . 284--284

Scientific American
Volume 39, Number 19, November 9, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 298--298
                      Anonymous   Books: New Books and Publications  . . . 298--298
                      Anonymous   Notes and Queries  . . . . . . . . . . . 298--299
                      Anonymous   Index of Inventions  . . . . . . . . . . 299--300
                      Anonymous   Progress and Prospects of the East River
                                  Bridge . . . . . . . . . . . . . . . . . 287--287
                      Anonymous   Professor Morton on the Electric Light   288--289
                      Anonymous   The Electrical Department in the
                                  Mechanics Fair, Boston, Mass . . . . . . 289--289
                      Anonymous   The French Industrial Exhibition of 1878 289--289
                      Anonymous   Awards and Honors at Paris . . . . . . . 289--289
                      Anonymous   Who Will Invent a Satisfactory Milking
                                  Machine  . . . . . . . . . . . . . . . . 289--289
                      Anonymous   The Hermetical Sanitary Closet . . . . . 290--290
                      Anonymous   The Trial of the ``Pyx'' . . . . . . . . 290--290
                      Anonymous   New Refrigerator Basket  . . . . . . . . 290--290
                      Anonymous   A New Fireproof Shutter  . . . . . . . . 290--290
                      Anonymous   Ingram Rotary Press at the Paris
                                  Exhibition . . . . . . . . . . . . . . . 291--291
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 292--292
                      Anonymous   California Mining Vs Farming . . . . . . 292--292
                      Anonymous   Progress of Our Foreign Trade  . . . . . 292--293
                      Anonymous   A New Foot Power . . . . . . . . . . . . 294--294
                      Anonymous   New Wool Scouring and Rinsing Machine    294--294
                      Anonymous   Washington Memorials in Northamptonshire 295--295
                      Anonymous   A New Measuring Jacket . . . . . . . . . 295--296
                      Anonymous   A New Rheostat . . . . . . . . . . . . . 296--296
                      Anonymous   The Umbrella Bird  . . . . . . . . . . . 297--297
                      Anonymous   To Inventors . . . . . . . . . . . . . . 298--298
                      Anonymous   Communications Received  . . . . . . . . 299--299

Scientific American
Volume 39, Number 20, November 16, 1878

                      Anonymous   Correspondence . . . . . . . . . . . . . 308--309
                      Anonymous   Business and Personal  . . . . . . . . . 315--315
                      Anonymous   Notes and Queries  . . . . . . . . . . . 315--315
                      Anonymous   Index of Inventions  . . . . . . . . . . 315--316
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 316--316
                      Anonymous   The Torpedo Vessel, Destroyer  . . . . . 303--303
                      Anonymous   Steam from Petroleum . . . . . . . . . . 304--304
                      Anonymous   Another New Electric Light . . . . . . . 304--304
                      Anonymous   A Remarkable Bank Robbery. ---
                                  Scientific Guards Neglected  . . . . . . 304--305
                      Anonymous   A Grand World's Fair in New York . . . . 305--305
                      Anonymous   The Motion of a Wagon Wheel  . . . . . . 305--305
                      Anonymous   The Paris International Patent Congress  305--305
                      Anonymous   Patent Rights, and Who Oppose Them . . . 305--305
                      Anonymous   A Steam Juryman  . . . . . . . . . . . . 305--306
                      Anonymous   A New Gas Regulator  . . . . . . . . . . 306--306
                      Anonymous   Combined Traction Engine and Steam fire
                                  Engine . . . . . . . . . . . . . . . . . 306--307
                      Anonymous   Van Rennes' Caloric Engine and Pump  . . 307--308
                      Anonymous   The Watson Pump  . . . . . . . . . . . . 309--310
                      Anonymous   Pipe Wrench and Cutter . . . . . . . . . 310--310
                      Anonymous   Locomotive for the Metropolitan Elevated
                                  Railway  . . . . . . . . . . . . . . . . 310--311
                      Anonymous   Drilling Square Holes  . . . . . . . . . 311--311
                      Anonymous   Russian Pottery  . . . . . . . . . . . . 311--311
                      Anonymous   New Mortising Machine  . . . . . . . . . 311--312
               Berlin H. Weight   Astronomical Notes . . . . . . . . . . . 312--313
                Geo. M. Hopkins   Some Modifications of the Microphone and
                                  Telephone  . . . . . . . . . . . . . . . 313--314
                      Anonymous   The Rockport Granite Quarries  . . . . . 314--314
                      Anonymous   To Inventors . . . . . . . . . . . . . . 315--315
                      Anonymous   Communications Received  . . . . . . . . 315--315

Scientific American
Volume 39, Number 21, November 23, 1878

                      Anonymous   Correspondence . . . . . . . . . . . . . 325--325
                      Anonymous   Business and Personal  . . . . . . . . . 331--331
                      Anonymous   Books: New Books and Publications  . . . 331--331
                      Anonymous   Notes and Queries  . . . . . . . . . . . 331--332
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 332--332
                      Anonymous   A New Steak Fire Engine  . . . . . . . . 319--319
                      Anonymous   ``Forney'' Locomotive for the New York
                                  Elevated Railroad  . . . . . . . . . . . 319--319
                      Anonymous   The Steam Value of Oil Fuels . . . . . . 320--320
                      Anonymous   A New Bank Note Paper Wanted . . . . . . 320--320
                      Anonymous   Trade Mark Treaty with Brazil  . . . . . 320--320
                      Anonymous   The Treatment of Hydrophobia . . . . . . 320--320
                      Anonymous   The Mechanical and other Properties of
                                  Iron and Mild Steel  . . . . . . . . . . 320--321
                      Anonymous   The Proposed Addition to the Patent
                                  Office . . . . . . . . . . . . . . . . . 321--321
                      Anonymous   Table Forks  . . . . . . . . . . . . . . 321--321
                      Anonymous   A Year's Work in the Patent Office . . . 321--321
                      Anonymous   New Rule in Trade Hark Cases . . . . . . 321--321
                      Anonymous   French Wheelbarrows  . . . . . . . . . . 322--324
                      Anonymous   The Electric Light . . . . . . . . . . . 326--327
                      Anonymous   Hydraulic Motors at the Paris Exhibition 327--327
                      Anonymous   Burner for Electric Light  . . . . . . . 327--328
                      Anonymous   A Novel egg Opener . . . . . . . . . . . 328--328
                      Anonymous   Artificial Ball Lighting . . . . . . . . 328--330
                      Anonymous   The National Academy of Sciences . . . . 330--330
                      Anonymous   To Inventors . . . . . . . . . . . . . . 331--331
                      Anonymous   Communications Received  . . . . . . . . 332--332

Scientific American
Volume 39, Number 22, November 30, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 347--347
                      Anonymous   Books: New Books and Publications  . . . 347--347
                      Anonymous   Notes and Queries: Notes and Querise . . 347--348
                      Anonymous   Index of Inventions  . . . . . . . . . . 348--348
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 348--348
                      Anonymous   Electric Time Service for New York . . . 335--335
                      Anonymous   The Hosmer Motor . . . . . . . . . . . . 336--336
                      Anonymous   The Salisbury Furnace for Petroleum  . . 336--336
                      Anonymous   Patents for Protecting the Dead  . . . . 337--337
                      Anonymous   The Official Reports of the Paris
                                  Exhibition . . . . . . . . . . . . . . . 337--337
                      Anonymous   Skilled Labor in New York City . . . . . 337--337
                      Anonymous   The Cost of Insecurity . . . . . . . . . 337--337
                      Anonymous   A New Platen Gauge . . . . . . . . . . . 338--338
                      Anonymous   Tramway Rail Experiments . . . . . . . . 338--338
                      Anonymous   A New Draughty Pencil  . . . . . . . . . 338--338
                      Anonymous   Steam Engine Governor  . . . . . . . . . 339--339
                      Anonymous   New Regulating Attachment for Clock
                                  Pendulums  . . . . . . . . . . . . . . . 339--339
                      Anonymous   French Subsoil and Clearing Plow . . . . 340--340
                      Anonymous   The Blue Process of Copying Tracings . . 340--340
                      Anonymous   The De Meritens Magneto-Electric Machine 341--341
                      Anonymous   Improved Crusher and Grinding Mill . . . 341--342
                      Anonymous   The Poison Ivy and Virginia Creeper  . . 342--343
                      Anonymous   The Crafty Hermit Crab . . . . . . . . . 343--345
                   M. H. Strong   Gas a Substitute for Solid Fuel  . . . . 346--346
                      Anonymous   To Inventors . . . . . . . . . . . . . . 347--347
                      Anonymous   Communications Received  . . . . . . . . 348--348

Scientific American
Volume 39, Number 23, December 7, 1878

                      Anonymous   Business and Personal  . . . . . . . . . 362--362
                      Anonymous   Books: New Books and Publications  . . . 362--362
                      Anonymous   Notes and Queries  . . . . . . . . . . . 362--363
                      Anonymous   Index of Inventions  . . . . . . . . . . 363--363
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 363--363
                      Anonymous   The Sawyer--Man Electric Lamp  . . . . . 351--351
                      Anonymous   The Utilization of Petroleum . . . . . . 352--352
                      Anonymous   A Trade Mark Decision  . . . . . . . . . 352--352
                      Anonymous   The Wastage of Carbon in Electric Lamps  352--352
                      Anonymous   Ventilation of Vessels . . . . . . . . . 352--353
                      Anonymous   The Largest Cash Vault in the World  . . 353--353
                      Anonymous   Increasing Trade with Chili  . . . . . . 353--353
                      Anonymous   American Contributions to Modern
                                  Artillery  . . . . . . . . . . . . . . . 353--353
                      Anonymous   The Fusing of Carbon . . . . . . . . . . 353--353
                      Anonymous   Alum in Baking Powders . . . . . . . . . 353--353
                      Anonymous   Valvoline  . . . . . . . . . . . . . . . 356--356
                D. D. Robertson   Car Painting . . . . . . . . . . . . . . 357--357
                      Anonymous   New Trunnion and Trimmer . . . . . . . . 358--358
                      Anonymous   New Time-Indicating Night Lamp . . . . . 358--358
                      Anonymous   An Improved Roofing  . . . . . . . . . . 358--358
                      Anonymous   A New Lamp Extinguisher  . . . . . . . . 358--359
                      Anonymous   Paris Exhibition --- Facade of Austria
                                  and Hungary  . . . . . . . . . . . . . . 359--359
                      Anonymous   The Common Jacana  . . . . . . . . . . . 359--360
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 361--361
                      Anonymous   American Institute Fair  . . . . . . . . 361--361
                      Anonymous   To Inventors . . . . . . . . . . . . . . 362--362
                      Anonymous   Communications Received  . . . . . . . . 363--363

Scientific American
Volume 39, Number 24, December 14, 1878

                      Anonymous   Correspondence . . . . . . . . . . . . . 376--376
                      Anonymous   Business and Personal  . . . . . . . . . 378--378
                      Anonymous   Notes and Queries  . . . . . . . . . . . 378--379
                      Anonymous   Index of Inventions  . . . . . . . . . . 379--380
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 380--380
                      Anonymous   The Belgian Ship Canal . . . . . . . . . 367--367
                      Anonymous   Progress of Petroleum  . . . . . . . . . 368--368
                      Anonymous   The Limit of Work  . . . . . . . . . . . 368--368
                      Anonymous   Iridescent Glass . . . . . . . . . . . . 368--368
                      Anonymous   Rails and Railway accidents --- New York
                                  Academy of Sciences  . . . . . . . . . . 368--369
                      Anonymous   Sanitary Science in the United States    369--370
                      Anonymous   An Improved Vise . . . . . . . . . . . . 370--370
                      Anonymous   New Shutter Fastener . . . . . . . . . . 370--370
                      Anonymous   An Improved Garden Sprinkler . . . . . . 370--370
                      Anonymous   A New Foot Power . . . . . . . . . . . . 370--370
                      Anonymous   Amateur Mechanics  . . . . . . . . . . . 371--373
                      Anonymous   The Werdermann Electric Light  . . . . . 373--373
                      Anonymous   Cassons Saw Bench  . . . . . . . . . . . 374--375
                      Anonymous   The Argonaut, or Paper Nautilus  . . . . 375--375
                      Anonymous   The Trap Door Spider of Jamaica  . . . . 375--376
                      Anonymous   The Progress of Science in Mexico  . . . 376--376
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 377--377
                      Anonymous   New Wire Clothing for Burring Cylinders  377--377
                      Anonymous   To Inventors . . . . . . . . . . . . . . 378--378

Scientific American
Volume 39, Number 25, December 21, 1878

                      Anonymous   Correspondence . . . . . . . . . . . . . 388--389
                      Anonymous   Business and Personal  . . . . . . . . . 394--394
                      Anonymous   Books: New Books and Publications  . . . 394--394
                      Anonymous   Notes and Queries  . . . . . . . . . . . 394--395
                      Anonymous   Index of Inventions  . . . . . . . . . . 395--395
                      Anonymous   A New Water Elevator . . . . . . . . . . 383--383
                      Anonymous   The International Dairy Fair . . . . . . 384--384
                      Anonymous   The Pomerania Disaster . . . . . . . . . 384--384
                      Anonymous   Short Hand . . . . . . . . . . . . . . . 384--384
                      Anonymous   Amalgam for Tooth Filling  . . . . . . . 385--385
                      Anonymous   An Active Volcano in the Moon  . . . . . 385--385
                      Anonymous   Expiring Subscriptions . . . . . . . . . 385--385
                      Anonymous   Quicklime as a Substitute for Blasting
                                  Powder . . . . . . . . . . . . . . . . . 385--385
                      Anonymous   The New Otto Silent Gas Engine . . . . . 386--386
                      Anonymous   The Diamond Self-Clamp Paper Cutter  . . 386--386
                      Anonymous   Amateur Mechanics. --- Drills and
                                  Drilling . . . . . . . . . . . . . . . . 387--388
                      Anonymous   The Fairbanks Prizes . . . . . . . . . . 388--388
                      Anonymous   New Cutting Nippers  . . . . . . . . . . 388--388
                      Anonymous   Another Trade Mark Decision  . . . . . . 388--388
             Henry A. Mott, Jr.   The Purity of Refined Sugar  . . . . . . 389--389
                      Anonymous   Chapman's Valves and Hydrants  . . . . . 389--389
                      Anonymous   A New Gas Engine . . . . . . . . . . . . 390--390
                      Anonymous   A New Parallel Vise  . . . . . . . . . . 390--390
                      Anonymous   Some Reasons Why Every Manufacturer,
                                  Mechanic, Inventor, and Artisan Should
                                  Become a Patron of the
                                  \booktitleScientific American  . . . . . 390--390
                      Anonymous   A Hairy Water Tortoise from China  . . . 391--391
                Daniel C. Beard   The Paddle Fish of the Mississippi . . . 391--392
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 392--392
                      Anonymous   Pottery and Glassware  . . . . . . . . . 393--393
                      Anonymous   To Inventors . . . . . . . . . . . . . . 394--394
                      Anonymous   Communications Received  . . . . . . . . 395--395

Scientific American
Volume 39, Number 26, December 28, 1878

                      Anonymous   Correspondence . . . . . . . . . . . . . 404--404
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 409--410
                      Anonymous   Business and Personal  . . . . . . . . . 411--411
                      Anonymous   Notes and Queries  . . . . . . . . . . . 411--411
                      Anonymous   Index of Inventions  . . . . . . . . . . 412--412
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 414--414
                      Anonymous   The Trouble With English Cottons . . . . 399--399
                      Anonymous   A Curious Mode of Taking Turtle  . . . . 399--399
                      Anonymous   The End of 1878  . . . . . . . . . . . . 400--400
                      Anonymous   Patent Suits . . . . . . . . . . . . . . 400--400
                      Anonymous   The \booktitleScientific American as an
                                  Educator . . . . . . . . . . . . . . . . 400--401
                      Anonymous   The National Observatory . . . . . . . . 401--401
                      Anonymous   An Amendment to Discourage Invention . . 401--401
                      Anonymous   The Tunnel Under the British Channel . . 401--401
                      Anonymous   Protection to Banks  . . . . . . . . . . 401--401
                      Anonymous   The Hog Cholera Commission . . . . . . . 401--401
                      Anonymous   The Eagle Anvil  . . . . . . . . . . . . 402--402
                      Anonymous   Furnace for Spelter and White of Zinc    402--402
                      Anonymous   Animal Mechanics . . . . . . . . . . . . 403--404
                      Anonymous   Improved Bolt Cutter . . . . . . . . . . 404--404
               Berlin H. Wright   Astronomical Notes . . . . . . . . . . . 404--405
                      Anonymous   A New Bottle Stopper . . . . . . . . . . 405--406
                      Anonymous   Incline Cutting, Drawing, and Stamping
                                  Power Press  . . . . . . . . . . . . . . 406--406
                      Anonymous   A New Inserted Saw Tooth . . . . . . . . 406--407
                      Anonymous   The Great Hungarian Wine Cask  . . . . . 407--408
                      Anonymous   To Inventors . . . . . . . . . . . . . . 411--411
                      Anonymous   Communications Received  . . . . . . . . 412--412


Scientific American
Volume 40, Number 1, January 4, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 7--7
                      Anonymous   Business and Personal  . . . . . . . . . 11--11
                      Anonymous   Notes and Queries  . . . . . . . . . . . 11--12
                      Anonymous   Index of Inventions  . . . . . . . . . . 12--12
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 14--14
                      Anonymous   London, Berry & Orton's Band Saw Mill . . 1--1
                      Anonymous   A New Carpenter's Plane  . . . . . . . . 1--1
                      Anonymous   Confiscation of American Patents . . . . 2--2
                      Anonymous   American History of the Electric Light   2--2
                      Anonymous   The South as a Competitor of England . . 2--2
                      Anonymous   William H. Rulofson  . . . . . . . . . . 2--2
                      Anonymous   A Scientific Invention Wanted  . . . . . 3--3
                      Anonymous   Mining Notes . . . . . . . . . . . . . . 3--3
                      Anonymous   Alloys . . . . . . . . . . . . . . . . . 3--3
                      Anonymous   The Breeding of Eels . . . . . . . . . . 3--3
                      Anonymous   Sanitary Uses of Gunpowder . . . . . . . 3--3
                      Anonymous   Hair on the Musk Turtle  . . . . . . . . 3--3
                      Anonymous   The Constitution of Matter in the
                                  Gaseous State  . . . . . . . . . . . . . 3--3
                      Anonymous   The Rapieff Electric Light . . . . . . . 4--4
                      Anonymous   A New Foot Lathe . . . . . . . . . . . . 5--5
                      Anonymous   A New Bench Plane  . . . . . . . . . . . 5--6
                      Anonymous   Improved Musical Condenser . . . . . . . 6--7
                      Anonymous   Double Screw Parallel Vise . . . . . . . 7--7
                      Anonymous   Paris Exhibition . . . . . . . . . . . . 8--9
                      Anonymous   Vienna Bronze Work . . . . . . . . . . . 10--10
                      Anonymous   To Inventors . . . . . . . . . . . . . . 11--11
                      Anonymous   Communications Received  . . . . . . . . 12--12

Scientific American
Volume 40, Number 2, January 11, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 21--21
                      Anonymous   Business and Personal  . . . . . . . . . 27--27
                      Anonymous   Notes and Queries  . . . . . . . . . . . 27--27
                      Anonymous   Index of Inventions  . . . . . . . . . . 27--28
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 30--30
                      Anonymous   A Remedy Worse than the Disease  . . . . 16--16
                      Anonymous   A Plan of Co-Operative Charity . . . . . 16--16
                      Anonymous   Miss Hosmer's Motor  . . . . . . . . . . 16--16
                      Anonymous   The First Electric Lamps . . . . . . . . 17--17
              Hamilton S. Wicks   American Industries --- No. 1  . . . . . 17--17
                      Anonymous   Patent Office Practice . . . . . . . . . 17--17
                      Anonymous   Chichester Water Works . . . . . . . . . 18--18
                      Anonymous   A New Revolving Index  . . . . . . . . . 18--18
                      Anonymous   Sack Holders and Lifters at the
                                  Exhibition . . . . . . . . . . . . . . . 19--20
                      Anonymous   A Novel Cooler . . . . . . . . . . . . . 22--22
                      Anonymous   The Casson--Dormoy Furnace . . . . . . . 22--22
                      Anonymous   A Three Legged Woodcock  . . . . . . . . 23--23
                      Anonymous   Studies from the Brighton Aquarium . . . 23--24
                      Anonymous   Bronze Lattice or Fire Guard . . . . . . 24--24
                John Trowrridge   Electric Illumination  . . . . . . . . . 25--25
                      Anonymous   The Manufacture of Soft Felt Hats  . . . 26--26
                      Anonymous   To Inventors . . . . . . . . . . . . . . 27--27
                      Anonymous   Communications Received  . . . . . . . . 27--27

Scientific American
Volume 40, Number 3, January 18, 1879

                      Anonymous   Inventions: Recent Inventions  . . . . . 38--38
                      Anonymous   Correspondence . . . . . . . . . . . . . 38--38
                      Anonymous   Business and Personal  . . . . . . . . . 43--43
                      Anonymous   Books: New Books and Publications  . . . 43--43
                      Anonymous   Notes and Queries  . . . . . . . . . . . 43--44
                      Anonymous   Index of Inventions  . . . . . . . . . . 44--44
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 46--46
                      Anonymous   The Adulteration of Soft Soap  . . . . . 31--31
              Hamilton S. Wicks   American Industries --- No. 2  . . . . . 31--31
                      Anonymous   Over-Density of Population in Cities . . 32--32
                      Anonymous   Patents in New South Wales . . . . . . . 32--32
                      Anonymous   Sun Spots and Commercial Crises  . . . . 32--33
                      Anonymous   Progress of the Swedish Arctic
                                  Expedition . . . . . . . . . . . . . . . 33--33
                      Anonymous   The Trademarks Quandary  . . . . . . . . 33--33
                      Anonymous   How to Utilize Old Fruit Cans  . . . . . 33--33
                      Anonymous   Senate Bill 300. --- Section 2 . . . . . 33--33
                      Anonymous   Boiler Feeders for Locomotives, Etc  . . 33--34
                      Anonymous   Straub's Scientific Grain Mill . . . . . 34--34
                      Anonymous   The Columbia Bicycle . . . . . . . . . . 35--35
                     M. Hopkins   Easily Made Physical Apparatus . . . . . 35--36
                    H. C. Hovey   The Luray Cavern . . . . . . . . . . . . 36--37
                      Anonymous   Duplex Steam Pumping Engines . . . . . . 37--37
                      Anonymous   The Clipper Injector . . . . . . . . . . 37--37
                      Anonymous   The Chætodon  . . . . . . . . . . . . . . 39--40
                      Anonymous   Early English Style of Piano at the
                                  Paris Exhibition . . . . . . . . . . . . 40--41
                      Anonymous   Spreading Diphtheria by Kisses . . . . . 41--41
                      Anonymous   A New Method of Setting Boiler Tubes . . 41--41
                      Anonymous   The Gruey Gyroscope and the Gyroscopic
                                  Pendulum . . . . . . . . . . . . . . . . 41--42
                      Anonymous   To Inventors . . . . . . . . . . . . . . 43--43

Scientific American
Volume 40, Number 4, January 25, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 53--53
                      Anonymous   Business and Personal  . . . . . . . . . 59--59
                      Anonymous   Books: New Books and Publications  . . . 59--59
                      Anonymous   Notes and Queries  . . . . . . . . . . . 59--60
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 62--62
                      Anonymous   The Transmutation of Elements  . . . . . 48--48
                      Anonymous   The Fourth State of Matter . . . . . . . 48--48
              Hamilton S. Wicks   American Industries. --- No. 3 . . . . . 48--49
                      Anonymous   The Bill to Discourage Inventions  . . . 49--49
                      Anonymous   An Improved Table  . . . . . . . . . . . 50--51
                      Anonymous   Saturator and Regulator of Mekarski's
                                  Compressed Air Motor . . . . . . . . . . 51--51
                      Anonymous   Rotary Lift Pump . . . . . . . . . . . . 51--52
                      Anonymous   Amateur Mechanics  . . . . . . . . . . . 52--53
                      Anonymous   A Novel Bridle Bit . . . . . . . . . . . 53--53
                      Anonymous   A New Continuous Calk Horseshoe  . . . . 53--53
                      Anonymous   The Wallace--Farmer Electric Light . . . 54--54
                      Anonymous   Excavator on the Ghent and Terneu-Zen
                                  Ship Canal, Belgium  . . . . . . . . . . 54--55
                      Anonymous   The Penciled Ear Hog . . . . . . . . . . 55--56
                      Anonymous   A New Firearm  . . . . . . . . . . . . . 56--56
                   R. C. Cooley   A New form of Sulphureted Hydrogen
                                  Apparatus  . . . . . . . . . . . . . . . 56--56
                      Anonymous   Elizabethan Fireplace  . . . . . . . . . 57--58
                      Anonymous   To Inventors . . . . . . . . . . . . . . 59--59
                      Anonymous   Communications Received  . . . . . . . . 60--60

Scientific American
Volume 40, Number 5, February 1, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 68--68
                      Anonymous   Business and Personal  . . . . . . . . . 75--75
                      Anonymous   Notes and Queries  . . . . . . . . . . . 75--75
                      Anonymous   Index of Inventions  . . . . . . . . . . 75--75
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 77--77
                      Anonymous   The Voltaic Pencil . . . . . . . . . . . 63--63
                      Anonymous   Engine of the Torpedo Vessel Destroyer   63--63
                      Anonymous   A New Switch Pedal . . . . . . . . . . . 63--63
                      Anonymous   Some Patents that Section 11 would have
                                  Killed . . . . . . . . . . . . . . . . . 64--64
                      Anonymous   Glucose Honey  . . . . . . . . . . . . . 64--64
                      Anonymous   A Vegetable Green for Confectioners  . . 64--64
                      Anonymous   A New Industry . . . . . . . . . . . . . 64--65
                      Anonymous   The Laundries of New York  . . . . . . . 65--65
                      Anonymous   Haeckel on Evolution . . . . . . . . . . 65--65
                      Anonymous   A Great Market for Our Cattle and Other
                                  Produce  . . . . . . . . . . . . . . . . 65--65
                      Anonymous   A Hint for an Invention  . . . . . . . . 65--65
                      Anonymous   The Demenge Engine and Boiler  . . . . . 66--66
                      Anonymous   A New Potato Digger  . . . . . . . . . . 67--67
                      Anonymous   The Manufacture of Lard  . . . . . . . . 67--68
                 W. J. Stillman   American Mechanical Genius . . . . . . . 69--69
                      Anonymous   Atmospheric Air and the Vacuum . . . . . 70--70
                      Anonymous   The Porcupine  . . . . . . . . . . . . . 71--72
                      Anonymous   Improved Window Awning . . . . . . . . . 72--73
                      Anonymous   Designs for Vases  . . . . . . . . . . . 73--74
                      Anonymous   To Inventors . . . . . . . . . . . . . . 75--75
                      Anonymous   Communications Received  . . . . . . . . 75--75

Scientific American
Volume 40, Number 6, February 8, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 83--85
                      Anonymous   Business and Personal  . . . . . . . . . 91--91
                      Anonymous   Books: New Books and Publications  . . . 91--91
                      Anonymous   Notes and Queries  . . . . . . . . . . . 91--92
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--92
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 94--94
              Hamilton S. Wicks   American Industries. --- No. 4 . . . . . 79--80
                      Anonymous   Keep to the Point  . . . . . . . . . . . 80--80
                      Anonymous   The Establishment of Public Town
                                  Libraries  . . . . . . . . . . . . . . . 80--81
                      Anonymous   Forest Culture Pays  . . . . . . . . . . 81--81
                      Anonymous   Harbor of Refuge on the Pacific Coast    81--81
                      Anonymous   The Social Science Convention  . . . . . 81--81
                      Anonymous   Settlement of a Doubtful Geological
                                  Point  . . . . . . . . . . . . . . . . . 81--82
                      Anonymous   A New Squaring Shear . . . . . . . . . . 82--82
                      Anonymous   Clay Pipes and Their Manufacture . . . . 82--83
                      Anonymous   The New Woodruff Scientific Expedition   83--83
                      Anonymous   A Novel Oiler  . . . . . . . . . . . . . 85--85
                      Anonymous   A Novel Boot and Shoe Heel . . . . . . . 86--86
                      Anonymous   An Improved Locomotive Smoke Stack . . . 86--86
                      Anonymous   A Curious Invention  . . . . . . . . . . 86--86
                      Anonymous   A New Car Stove  . . . . . . . . . . . . 86--86
                      Anonymous   The Great Shielded Locust of Papua . . . 87--88
                      Anonymous   Improved Power Feed Sandpapering Machine 89--89
                      Anonymous   Hard Rolled Iron and Steel Rim Pulleys   89--90
                      Anonymous   To Inventors . . . . . . . . . . . . . . 91--91
                      Anonymous   Communications Received  . . . . . . . . 92--92
                      Anonymous   Can I Obtain a Patent? . . . . . . . . . 92--92
                      Anonymous   Prospectus of the \booktitleScientific
                                  American for 1879  . . . . . . . . . . . 92--92

Scientific American
Volume 40, Number 7, February 15, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 101--102
                      Anonymous   Business and Personal  . . . . . . . . . 107--107
                      Anonymous   Notes and Queries  . . . . . . . . . . . 107--107
                      Anonymous   Index of Inventions  . . . . . . . . . . 108--108
                      Anonymous   The New Patent Bill as Passed by the
                                  Senate . . . . . . . . . . . . . . . . . 96--96
                      Anonymous   Will Blood Tell? . . . . . . . . . . . . 96--96
                      Anonymous   American Tea . . . . . . . . . . . . . . 96--96
                      Anonymous   The License Fee as a Measure of Damages  97--97
                      Anonymous   American Industries. --- No. 5 . . . . . 97--97
                      Anonymous   A Floating Electric Light  . . . . . . . 97--98
                      Anonymous   A Novel Railway Trace  . . . . . . . . . 98--98
                      Anonymous   An Improved Type Writes  . . . . . . . . 98--98
                      Anonymous   The Hancock Inspirator . . . . . . . . . 99--99
                      Anonymous   A New Check Row Corn Planter and Drill   99--100
                      Anonymous   Amateur Mechanics  . . . . . . . . . . . 100--100
                      Anonymous   The Manufacture of Sewing and Floss Silk 100--101
                      Anonymous   Aveling & Porter's Road and Farm
                                  Locomotive . . . . . . . . . . . . . . . 102--102
                      Anonymous   Fire and Water Indicator . . . . . . . . 102--102
                      Anonymous   The Octopus at the Berlin Aquarium . . . 103--103
                      Anonymous   Barrel for Shipping Bottled Liquors  . . 103--105
                      Anonymous   Chest of Ebony . . . . . . . . . . . . . 105--106
                      Anonymous   To Inventors . . . . . . . . . . . . . . 107--107
                      Anonymous   Communications Received  . . . . . . . . 108--108
                      Anonymous   Value of Patents and How to Obtain Them  108--108
                      Anonymous   Prospective of the \booktitleScientific
                                  American for 1879  . . . . . . . . . . . 110--110

Scientific American
Volume 40, Number 8, February 22, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 123--123
                      Anonymous   Notes and Queries  . . . . . . . . . . . 123--124
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--124
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 126--126
                      Anonymous   American Industries. --- No. 6 . . . . . 111--111
                      Anonymous   The New Patent Bill. --- Shall It Pass
                                  The House  . . . . . . . . . . . . . . . 112--112
                      Anonymous   Creosoted Wood as a Protection against
                                  Teredoes . . . . . . . . . . . . . . . . 112--112
                      Anonymous   Seating on Artificial Ice  . . . . . . . 112--112
                      Anonymous   Recent Experiments with ``Laughing Gas'' 113--113
                      Anonymous   A Paper Observatory Dome . . . . . . . . 113--113
                      Anonymous   The Woodbury Planing Machine Case  . . . 113--113
                      Anonymous   A New and Important Mineral  . . . . . . 113--113
                      Anonymous   Recent American Patents  . . . . . . . . 115--115
                      Anonymous   A New Ice Creeper  . . . . . . . . . . . 115--115
                      Anonymous   An Improved Fruit Can  . . . . . . . . . 115--115
                      Anonymous   An Improvement in Neck Yokes . . . . . . 115--116
                      Anonymous   A New Steam Wagon  . . . . . . . . . . . 116--117
                      Anonymous   Stop Motion Hand Piece for Dental
                                  Engines  . . . . . . . . . . . . . . . . 117--117
                      Anonymous   An Improved Parallel Ruler . . . . . . . 118--118
                      Anonymous   A Combined Chopper and Cultivator  . . . 118--118
                      Anonymous   A New Whiffletree Hook . . . . . . . . . 118--118
                      Anonymous   Miscellaneous Inventions . . . . . . . . 118--118
                Daniel C. Beard   Green Carolina Anolis; Or, The American
                                  Chameleon  . . . . . . . . . . . . . . . 119--119
                      Anonymous   A New Torpedo Boat . . . . . . . . . . . 119--120
                      Anonymous   A Wonderful Tree . . . . . . . . . . . . 121--121
                      Anonymous   A Simple Electric Pen  . . . . . . . . . 121--122
                      Anonymous   To Inventors . . . . . . . . . . . . . . 123--123
                      Anonymous   Communications Received  . . . . . . . . 124--124
                      Anonymous   Prospectus of the \booktitleScientific
                                  American for 1879  . . . . . . . . . . . 124--124

Scientific American
Volume 40, Number 9, March 1, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 136--137
                      Anonymous   Business and Personal  . . . . . . . . . 139--139
                      Anonymous   Books: New Books and Publications  . . . 139--139
                      Anonymous   Notes and Queries  . . . . . . . . . . . 139--140
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 142--142
                      Anonymous   American Industries. --- No. 7 . . . . . 127--127
                      Anonymous   Strikes in Liverpool and London  . . . . 128--128
                      Anonymous   Honor to Peter Cooper  . . . . . . . . . 128--128
                      Anonymous   Samuel Batchelder  . . . . . . . . . . . 128--128
                      Anonymous   The Plague in Russia . . . . . . . . . . 128--129
                      Anonymous   Food Adulteration  . . . . . . . . . . . 129--129
                      Anonymous   The Farmer's Best Friend . . . . . . . . 129--129
                      Anonymous   A Cable Jubilee  . . . . . . . . . . . . 129--129
                      Anonymous   Trade Arbitration in England . . . . . . 129--129
                      Anonymous   An Improved Cane Mill Wanted . . . . . . 129--129
                      Anonymous   Pneumatic Regulator for Clocks . . . . . 130--131
                      Anonymous   A New Gun Tool . . . . . . . . . . . . . 131--131
                      Anonymous   A Novel Door Check . . . . . . . . . . . 131--131
                      Anonymous   A New Protector for Book Covers  . . . . 131--131
                      Anonymous   An Improved File Guard . . . . . . . . . 131--131
                      Anonymous   Recent Engineering Patents . . . . . . . 131--132
                      Anonymous   A New Ratchet Drill  . . . . . . . . . . 132--133
                      Anonymous   Patents Pertaining to the Household  . . 133--133
                      Anonymous   A New Beetling Machine . . . . . . . . . 134--134
                      Anonymous   A New Cream-Raising Apparatus  . . . . . 134--134
                      Anonymous   Miscellaneous Intentions . . . . . . . . 134--134
                      Anonymous   The Oriental Eagle Owl . . . . . . . . . 135--135
                      Anonymous   The Humpback Whale . . . . . . . . . . . 135--136
                      Anonymous   The Alhambra Vase  . . . . . . . . . . . 137--137
                      Anonymous   Electric Lighting  . . . . . . . . . . . 138--138
                      Anonymous   Ancient Works of Peru  . . . . . . . . . 138--138
                      Anonymous   To Inventors. --- The Great Want . . . . 138--138
                      Anonymous   To Inventors . . . . . . . . . . . . . . 139--139
                      Anonymous   Communications Received  . . . . . . . . 140--140
                      Anonymous   The \booktitleScientific American  . . . 140--140

Scientific American
Volume 40, Number 10, March 8, 1879

                      Anonymous   Recently Patented Inventions . . . . . . 150--150
                      Anonymous   Business and Personal  . . . . . . . . . 155--155
                      Anonymous   Books: New Books and Publications  . . . 155--155
                      Anonymous   Notes and Queries  . . . . . . . . . . . 155--156
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--156
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 158--158
                      Anonymous   The Smallest Steamboat in the World  . . 143--143
                      Anonymous   Gary's Motor . . . . . . . . . . . . . . 144--144
                      Anonymous   Senate Patent Bill No. 300. --- Shall It
                                  Pass the House of Representatives? . . . 144--145
                      Anonymous   The Sawyer--Man Electric Light . . . . . 145--145
                      Anonymous   A New Form of Carbon . . . . . . . . . . 145--145
                      Anonymous   The Gart Magnetic-Motor Deception  . . . 145--145
                      Anonymous   The Preservation of Forests  . . . . . . 145--145
                      Anonymous   The Trouble with Wire Binders  . . . . . 145--145
                      Anonymous   The Waste of Fire  . . . . . . . . . . . 145--146
                      Anonymous   The Sweepstakes Planer and Matcher . . . 147--147
                      Anonymous   Nicolaieff Depositing Floating Dock  . . 147--148
                      Anonymous   What We Find in Honey  . . . . . . . . . 149--149
                      Anonymous   Machine for Softening Silk . . . . . . . 150--150
                      Anonymous   Gary's Magnetic Motor  . . . . . . . . . 151--153
                    H. C. Hovey   The Luray Cavern . . . . . . . . . . . . 153--154
                      Anonymous   Some Recent Inventions . . . . . . . . . 154--154
                      Anonymous   To Inventors . . . . . . . . . . . . . . 155--155
                      Anonymous   Communications Received  . . . . . . . . 156--156

Scientific American
Volume 40, Number 11, March 15, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 165--165
                      Anonymous   Business and Personal  . . . . . . . . . 171--171
                      Anonymous   Books: New Books and Publications  . . . 171--171
                      Anonymous   Notes and Queries: Notes and Queris  . . 171--171
                      Anonymous   Index of Inventions  . . . . . . . . . . 171--172
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 172--172
                      Anonymous   American Industries --- No. 8  . . . . . 159--159
                      Anonymous   Science to Solve Industrial Problems . . 160--160
                      Anonymous   Economy in Gas Burning . . . . . . . . . 160--160
                      Anonymous   Emigration and Migration . . . . . . . . 160--160
                      Anonymous   The Canary Fisheries . . . . . . . . . . 161--161
                      Anonymous   The Iron Ocean Pier at Long Branch . . . 161--161
                      Anonymous   Honey Sugar  . . . . . . . . . . . . . . 161--161
                      Anonymous   The Use of Cold Water in Cold Weather    161--161
                      Anonymous   Guatemala Indigo . . . . . . . . . . . . 161--161
                      Anonymous   Light and Life . . . . . . . . . . . . . 161--161
                      Anonymous   New Instrument to Determine the Presence
                                  of Metals in Ores  . . . . . . . . . . . 161--161
                      Anonymous   New Agricultural Inventions  . . . . . . 163--163
                      Anonymous   An Improved Washer Gutter  . . . . . . . 163--163
                      Anonymous   A New Hurdle Fence . . . . . . . . . . . 163--163
                      Anonymous   Amateur Mechanics  . . . . . . . . . . . 164--165
                      Anonymous   Some New Points in the Diagnosis and
                                  Prognosis of Typhoid Fever . . . . . . . 165--165
                      Anonymous   A New Forging Mandrel  . . . . . . . . . 166--166
                      Anonymous   Improved Ice-Making Apparatus  . . . . . 166--166
                      Anonymous   The Victor Turbine . . . . . . . . . . . 166--166
                      Anonymous   Recent Mechanical Inventions . . . . . . 166--166
                      Anonymous   Sponge Fishing in the Adriatic ---
                                  Artificial Sponge Raising  . . . . . . . 167--169
                      Anonymous   The Bawlkin Green Thunderbolt  . . . . . 169--169
                      Anonymous   The Straw-Necked Ibis  . . . . . . . . . 169--170
                      Anonymous   Catarrh and its Cure . . . . . . . . . . 171--171
                      Anonymous   Communications Received  . . . . . . . . 171--171

Scientific American
Volume 40, Number 12, March 22, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 187--187
                      Anonymous   Notes and Queries  . . . . . . . . . . . 187--188
                      Anonymous   Index of Inventions  . . . . . . . . . . 188--188
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 188--188
                      Anonymous   The Patent Bill Defeated . . . . . . . . 176--176
                      Anonymous   Model Tenements  . . . . . . . . . . . . 176--176
                      Anonymous   Progress of the Telephone  . . . . . . . 176--176
                      Anonymous   The Menace to Europe . . . . . . . . . . 176--177
                      Anonymous   How the Patent Bill Died . . . . . . . . 177--177
                      Anonymous   Mr. Robert G. Hatfield . . . . . . . . . 177--177
                      Anonymous   American Industries --- No. 9  . . . . . 177--177
                      Anonymous   A Glass Mountain and Road  . . . . . . . 177--177
                      Anonymous   A Surprise to Millers  . . . . . . . . . 177--177
                      Anonymous   Safety at Sea  . . . . . . . . . . . . . 177--177
                      Anonymous   New Vertical French Burr Mills . . . . . 178--178
                      Anonymous   Recent American Patents  . . . . . . . . 178--178
                      Anonymous   New Testing Machine  . . . . . . . . . . 179--179
                      Anonymous   A New Honey Extractor  . . . . . . . . . 179--179
                      Anonymous   Recent American Inventions . . . . . . . 179--179
                      Anonymous   Some Anatomical Peculiarities in the
                                  Male Chimpanzee  . . . . . . . . . . . . 180--181
                      Anonymous   The Praxinoscope . . . . . . . . . . . . 181--181
                      Anonymous   Some Recent Inventions . . . . . . . . . 182--182
                      Anonymous   A New Packing Box  . . . . . . . . . . . 182--182
                      Anonymous   Engineering Inventions . . . . . . . . . 182--182
                      Anonymous   The Parasol Ants of Texas  . . . . . . . 183--183
                      Anonymous   The Giant Snapping Turtle  . . . . . . . 183--183
                      Anonymous   Siemens' Electric Current Governor . . . 184--184
                      Anonymous   New Electric Lamp  . . . . . . . . . . . 184--184
                      Anonymous   Edison's Electric Light  . . . . . . . . 184--184
                      Anonymous   The Edison Electric Light  . . . . . . . 185--186
                      Anonymous   Righi's Telephone  . . . . . . . . . . . 186--186
                      Anonymous   The Mexican Industrial Exhibition  . . . 186--186
                      Anonymous   The Agricultural Exhibition in London    186--186
                      Anonymous   To Inventors . . . . . . . . . . . . . . 187--187
                      Anonymous   Communications Received  . . . . . . . . 188--188

Scientific American
Volume 40, Number 13, March 29, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 196--196
                      Anonymous   Business and Personal  . . . . . . . . . 203--203
                      Anonymous   Notes and Queries  . . . . . . . . . . . 203--203
                      Anonymous   Index of Inventions  . . . . . . . . . . 203--204
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 204--204
                      Anonymous   A New Steam Tiller . . . . . . . . . . . 191--192
                      Anonymous   How Our Patent Laws Promote and Improve
                                  American Industries  . . . . . . . . . . 192--192
                      Anonymous   Pleuro-Pneumonia . . . . . . . . . . . . 192--193
                      Anonymous   Spain a Field for Machinery and Patents  193--193
                      Anonymous   Petek Coofer as an Inventor  . . . . . . 193--193
                      Anonymous   Curious Facts in Magnetism . . . . . . . 194--194
                      Anonymous   A New Ore Crusher  . . . . . . . . . . . 194--194
                      Anonymous   Recent American Patents  . . . . . . . . 194--194
                      Anonymous   A New Ironing Table  . . . . . . . . . . 194--194
                      Anonymous   A Novel Engine Regulator . . . . . . . . 195--195
                      Anonymous   Remedy for the New Carpet Beetle . . . . 195--195
                      Anonymous   New Stencil Pen  . . . . . . . . . . . . 195--196
                      Anonymous   The Writing Telegraph  . . . . . . . . . 196--196
                      Anonymous   Cowper's Writing Telegraph . . . . . . . 197--197
                      Anonymous   Aluminum . . . . . . . . . . . . . . . . 197--197
                      Anonymous   An Improved Door Bolt  . . . . . . . . . 198--198
                      Anonymous   Improved Furnace for Burning Garbage . . 198--198
                      Anonymous   An Ancient Greek Vase  . . . . . . . . . 199--199
                      Anonymous   New Agricultural Inventions  . . . . . . 199--200
                      Anonymous   Glass Sponges  . . . . . . . . . . . . . 200--202
                      Anonymous   To Inventors . . . . . . . . . . . . . . 203--203
                      Anonymous   Communications Received  . . . . . . . . 203--203

Scientific American
Volume 40, Number 14, April 5, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 218--218
                      Anonymous   Notes and Queries  . . . . . . . . . . . 218--220
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--220
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 220--220
                Geo. M. Hopkins   New Acoustic Apparatus . . . . . . . . . 207--207
                      Anonymous   Labor and the Cost of Living . . . . . . 208--208
                      Anonymous   Dangers of Lead Poisoning from the Use
                                  of Tinned Ware . . . . . . . . . . . . . 208--208
                      Anonymous   Gary's Alleges Neutral Line  . . . . . . 208--208
                      Anonymous   A Contrast between American and English
                                  Artisans . . . . . . . . . . . . . . . . 209--209
                      Anonymous   The Security of the East River Bridge    209--209
                      Anonymous   The Neutral Line. --- A Note from Mr.
                                  Gary . . . . . . . . . . . . . . . . . . 209--209
                      Anonymous   Miss Hosmer's Motor  . . . . . . . . . . 209--209
                      Anonymous   Heinrich Geissler  . . . . . . . . . . . 209--209
                      Anonymous   The Herreshoff Torpedo Launch  . . . . . 210--211
                      Anonymous   An Improved Lawn Mower . . . . . . . . . 211--211
                      Anonymous   A New Shipping Tag . . . . . . . . . . . 211--212
                      Anonymous   Some Recent American Patents . . . . . . 212--213
                      Anonymous   Western Iowa Coal Fields . . . . . . . . 213--214
                      Anonymous   An Improved Press  . . . . . . . . . . . 214--214
                      Anonymous   Recent American Patents  . . . . . . . . 214--215
                      Anonymous   The Bobac  . . . . . . . . . . . . . . . 215--216
                      Anonymous   Miscellaneous Inventions . . . . . . . . 216--216
                      Anonymous   New Automatic Siphon . . . . . . . . . . 216--216
                      Anonymous   Supreme Court Decision . . . . . . . . . 216--217
                      Anonymous   An Improved Washing Machine  . . . . . . 217--217
                   C. Few Seiss   De Kay's Snake . . . . . . . . . . . . . 217--217
                      Anonymous   To Inventors . . . . . . . . . . . . . . 218--218
                      Anonymous   Communications Received  . . . . . . . . 220--220

Scientific American
Volume 40, Number 15, April 12, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 228--228
                      Anonymous   Business and Personal  . . . . . . . . . 235--235
                      Anonymous   Books: New Books and Publications  . . . 235--235
                      Anonymous   Notes and Queries  . . . . . . . . . . . 235--236
                      Anonymous   Index of Inventions  . . . . . . . . . . 236--236
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 238--238
                      Anonymous   Amateur Mechanics  . . . . . . . . . . . 223--224
                      Anonymous   The Home of the Meteors  . . . . . . . . 224--224
                      Anonymous   American Affluence of Mechanical
                                  Invention  . . . . . . . . . . . . . . . 224--224
                      Anonymous   Jaded Heads  . . . . . . . . . . . . . . 224--225
                      Anonymous   Woman the Primitive Pottery-Maker and
                                  Decorator  . . . . . . . . . . . . . . . 225--225
                      Anonymous   Wire in Wheat  . . . . . . . . . . . . . 225--225
                      Anonymous   Applications of Celluloid  . . . . . . . 225--225
                      Anonymous   Notes on Faience and its Manufacture . . 226--226
                      Anonymous   Recent Mechanical Inventions . . . . . . 226--226
                      Anonymous   Machine for Stretching and Softening
                                  Cloth  . . . . . . . . . . . . . . . . . 227--227
                      Anonymous   A New Attachment for Boilers . . . . . . 227--227
                      Anonymous   Fountain Watering Trough for Cattle  . . 227--228
                      Anonymous   Miscellaneous Inventions . . . . . . . . 228--228
                      Anonymous   Australian Insects in California . . . . 228--228
                      Anonymous   The Heslop Steam Engine  . . . . . . . . 229--229
                      Anonymous   Agricultural Inventions  . . . . . . . . 229--230
                      Anonymous   Recent Inventions  . . . . . . . . . . . 230--230
                      Anonymous   New Loading Apparatus for Ordnance . . . 230--230
                      Anonymous   A New Fender for Vessels . . . . . . . . 230--230
                      Anonymous   The Forceps Crab . . . . . . . . . . . . 231--231
                      Anonymous   The Cape Buffalo . . . . . . . . . . . . 231--231
                      Anonymous   Better than Dime Novels  . . . . . . . . 232--233
                      Anonymous   Fine Cast Iron Work  . . . . . . . . . . 233--233
                      Anonymous   What Should be the Legal Standard of
                                  Kerosene . . . . . . . . . . . . . . . . 234--234
                      Anonymous   The Allanthus as Timber  . . . . . . . . 234--234
                      Anonymous   To Inventors . . . . . . . . . . . . . . 235--235
                      Anonymous   Communications Received  . . . . . . . . 236--236

Scientific American
Volume 40, Number 16, April 19, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 242--242
                      Anonymous   Business and Personal  . . . . . . . . . 251--251
                      Anonymous   Notes and Queries  . . . . . . . . . . . 251--252
                      Anonymous   Index of Inventions  . . . . . . . . . . 252--252
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 254--254
                      Anonymous   Toxicological Notes  . . . . . . . . . . 239--239
                      Anonymous   The Engines of the Yacht Isa . . . . . . 239--240
                      Anonymous   Mathews' Boiler Attachment . . . . . . . 240--240
                      Anonymous   The World's Fair of 1883 at New York . . 240--240
                      Anonymous   The Worcester Free Institute of
                                  Industrial Science . . . . . . . . . . . 240--241
                      Anonymous   The Baltimore Water Works  . . . . . . . 241--241
                      Anonymous   An Example for Young Inventors . . . . . 241--241
                      Anonymous   Good Times for American Farmers  . . . . 241--241
                      Anonymous   A Possible Improvement in Sugar Making   241--241
                      Anonymous   Art as an Aid to Industry  . . . . . . . 241--241
                      Anonymous   New York Academy of Sciences . . . . . . 242--242
                      Anonymous   Dean Brothers' Steam Pump  . . . . . . . 243--243
                      Anonymous   Recent Mechanical Inventions . . . . . . 243--243
                      Anonymous   Brick Making by Machinery  . . . . . . . 243--243
                      Anonymous   Professor Hughes' Induction Balance  . . 244--245
                      Anonymous   Prof. Edison's Induction Balance for
                                  Telephone Lines  . . . . . . . . . . . . 245--245
                      Anonymous   A New Pedometer  . . . . . . . . . . . . 246--246
                      Anonymous   Novel Baggage Fastener and Shawl Carrier 246--246
                      Anonymous   A New Dough Kneader  . . . . . . . . . . 246--246
                      Anonymous   Recent American Patents  . . . . . . . . 246--246
                      Anonymous   The Flying Frog  . . . . . . . . . . . . 247--247
                      Anonymous   The Fennec, or Sahara Fox  . . . . . . . 247--247
                      Anonymous   Natural History Notes  . . . . . . . . . 247--249
                      Anonymous   Silver Water Bottle  . . . . . . . . . . 249--250
                      Anonymous   To Inventors . . . . . . . . . . . . . . 251--251
                      Anonymous   Communications Received  . . . . . . . . 252--252

Scientific American
Volume 40, Number 17, April 26, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 261--261
                      Anonymous   Business and Personal  . . . . . . . . . 267--267
                      Anonymous   Notes and Queries  . . . . . . . . . . . 267--268
                      Anonymous   Index of Inventions  . . . . . . . . . . 268--268
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 270--270
                      Anonymous   Notes on Faience and its Manufacture . . 255--255
                      Anonymous   The Site of the Great New York
                                  Exhibition . . . . . . . . . . . . . . . 256--256
                      Anonymous   Frost and Yellow Fever . . . . . . . . . 256--256
                      Anonymous   The Australian Exhibitions . . . . . . . 256--257
                      Anonymous   The Bicycle as a Practical Road Vehicle  257--257
                      Anonymous   Is the Moon Inhabited! . . . . . . . . . 257--257
                      Anonymous   Interest-Bearing Notes . . . . . . . . . 257--257
                      Anonymous   The Aniline Colors . . . . . . . . . . . 257--257
                      Anonymous   Blasting by Compressed Air . . . . . . . 258--258
                      Anonymous   Recent American Patents  . . . . . . . . 258--259
                      Anonymous   A Novel Rotary Engine  . . . . . . . . . 259--259
                      Anonymous   Edison's Electro-Chemical Telephone  . . 260--260
                      Anonymous   Engineering Inventions . . . . . . . . . 261--261
                      Anonymous   Premiums for Boys  . . . . . . . . . . . 261--261
                      Anonymous   A Convenient Box for Artists . . . . . . 262--262
                      Anonymous   A New Carbureter . . . . . . . . . . . . 262--263
                      Anonymous   Improved Barrel for Breech-Loading Shot
                                  Guns . . . . . . . . . . . . . . . . . . 263--263
                      Anonymous   The Great Crab-Spider  . . . . . . . . . 263--264
                      Anonymous   Gray Pottery . . . . . . . . . . . . . . 264--264
                      Anonymous   New Agricultural Inventions  . . . . . . 264--264
                      Anonymous   Old Homes Made New . . . . . . . . . . . 265--266
                      Anonymous   To Inventors . . . . . . . . . . . . . . 267--267
                      Anonymous   Communications Received  . . . . . . . . 268--268

Scientific American
Volume 40, Number 18, May 3, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 282--282
                      Anonymous   Business and Personal  . . . . . . . . . 283--283
                      Anonymous   Books: New Books and Publications  . . . 283--283
                      Anonymous   Notes and Queries  . . . . . . . . . . . 283--284
                      Anonymous   Index of Inventions  . . . . . . . . . . 284--284
                      Anonymous   Patent Notes . . . . . . . . . . . . . . 286--286
                      Anonymous   American Industries --- No. 10 . . . . . 271--271
                      Anonymous   Progress of Electric Lighting  . . . . . 272--272
                      Anonymous   Scarlet Fever  . . . . . . . . . . . . . 272--272
                      Anonymous   Better Late than Never . . . . . . . . . 272--272
                      Anonymous   Museums of Europe --- Metropolitan
                                  Museum of Art  . . . . . . . . . . . . . 273--273
                      Anonymous   Barff's New Process for Preserving Iron  273--273
                      Anonymous   Vermont Marble . . . . . . . . . . . . . 273--273
                      Anonymous   Recent Mechanical Inventions . . . . . . 275--275
                      Anonymous   An Improved Amalgamator  . . . . . . . . 275--275
                      Anonymous   Railway Notes  . . . . . . . . . . . . . 276--276
                      Anonymous   Household Inventions . . . . . . . . . . 277--277
                      Anonymous   A New Clutch Pulley  . . . . . . . . . . 277--277
                      Anonymous   Emery Band Polishing Machine . . . . . . 278--278
                      Anonymous   A New Anti-Friction Journal Bearing  . . 278--278
                      Anonymous   Miscellaneous Inventions . . . . . . . . 278--278
                      Anonymous   An Improved Water Elevator . . . . . . . 278--278
                      Anonymous   Remarkable Accident to a Red Deer  . . . 279--280
                      Anonymous   New Agricultural Inventions  . . . . . . 280--280
                      Anonymous   Japanese Mirrors . . . . . . . . . . . . 280--280
                      Anonymous   Calcareous Sponges . . . . . . . . . . . 281--282
                      Anonymous   To Inventors . . . . . . . . . . . . . . 283--283
                      Anonymous   Communications Received  . . . . . . . . 284--284

Scientific American
Volume 40, Number 19, May 10, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 296--296
                      Anonymous   Business and Personal  . . . . . . . . . 299--299
                      Anonymous   Notes and Queries  . . . . . . . . . . . 299--299
                      Anonymous   Index of Inventions  . . . . . . . . . . 299--300
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 300--300
                      Anonymous   Study to have Ideas  . . . . . . . . . . 288--288
                      Anonymous   ``The Patent Right Nuisance''  . . . . . 288--288
                      Anonymous   English vs. American Rails . . . . . . . 288--289
                      Anonymous   A Remarkable Conflagration --- The River
                                  between New York and Brooklyn Set on
                                  Fire . . . . . . . . . . . . . . . . . . 289--289
                      Anonymous   American Industries --- No. 11 . . . . . 289--290
                      Anonymous   Therapeutic Machinery  . . . . . . . . . 290--290
                      Anonymous   Miscellaneous Inventions . . . . . . . . 290--291
                      Anonymous   Reflector for Candles  . . . . . . . . . 291--291
                      Anonymous   New Hydraulic Grid . . . . . . . . . . . 291--292
                      Anonymous   A New Locomotive . . . . . . . . . . . . 292--292
                      Anonymous   Milk Cooler  . . . . . . . . . . . . . . 292--292
                      Anonymous   Engineering Inventions . . . . . . . . . 293--293
                      Anonymous   Rowell's Improved Lens for Spectacles    293--293
                      Anonymous   The Explosion on the Thunderer . . . . . 293--293
                      Anonymous   An Improved Mangle . . . . . . . . . . . 294--294
                      Anonymous   An Improved Emery Wheel Stand  . . . . . 294--295
                      Anonymous   The Window Garden  . . . . . . . . . . . 295--295
                      Anonymous   The Yak  . . . . . . . . . . . . . . . . 295--296
                      Anonymous   Artificial Lighting for Photography  . . 296--296
                      Anonymous   A Chance for Inventors . . . . . . . . . 296--296
                      Anonymous   An Elegant Cabinet . . . . . . . . . . . 297--297
                      Anonymous   The Catalpa as a Timber Tree . . . . . . 297--297
                      Anonymous   An International Exhibition of
                                  Industrial Science . . . . . . . . . . . 298--298
                      Anonymous   Recent American Patents  . . . . . . . . 298--298
                      Anonymous   To Inventors . . . . . . . . . . . . . . 299--299
                      Anonymous   Communications Received  . . . . . . . . 299--299

Scientific American
Volume 40, Number 20, May 17, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 315--315
                      Anonymous   Books: New Books and Publications  . . . 315--315
                      Anonymous   Notes and Queries  . . . . . . . . . . . 315--316
                      Anonymous   Index of Inventions  . . . . . . . . . . 316--316
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 318--318
                      Anonymous   A New Estimate of the World's Age  . . . 304--304
                      Anonymous   The Longest Tunnel in the World  . . . . 304--304
                      Anonymous   The Power of Vibration Harnessed . . . . 304--305
                      Anonymous   When are Laws Discovered!  . . . . . . . 304--305
                      Anonymous   Molecular Chemistry --- No. 1  . . . . . 305--305
                      Anonymous   Edison's Electric Illuminator and Dr.
                                  Draper's Experiments Thirty Years Ago    305--305
                      Anonymous   American Industries --- No. 12 . . . . . 305--305
                      Anonymous   Testing Lubricants . . . . . . . . . . . 306--307
                      Anonymous   A Few Novelties  . . . . . . . . . . . . 307--308
                      Anonymous   New Agricultural Inventions  . . . . . . 309--309
                      Anonymous   The Detroit River Tunnel and Bridge  . . 309--309
                      Anonymous   The Patentees' Protective Association    309--309
                      Anonymous   Disinfection . . . . . . . . . . . . . . 309--309
                      Anonymous   Improved Paper Cutting and Winding
                                  Machine  . . . . . . . . . . . . . . . . 310--310
                      Anonymous   New Cut-Off for Steam Engines  . . . . . 310--311
                Daniel C. Beard   The Kanchil, or Pygmy Musk . . . . . . . 311--312
                      Anonymous   Recent Mechanical Inventions . . . . . . 312--312
                      Anonymous   Natural History Notes  . . . . . . . . . 312--313
                      Anonymous   The Calamar  . . . . . . . . . . . . . . 313--314
                      Anonymous   To Inventors . . . . . . . . . . . . . . 315--315
                      Anonymous   Communications Received  . . . . . . . . 316--316

Scientific American
Volume 40, Number 21, May 24, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 325--325
                      Anonymous   Business and Personal  . . . . . . . . . 331--331
                      Anonymous   Books: New Books and Publications  . . . 331--331
                      Anonymous   Notes and Queries: Notes & Queries  . . . 331--332
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   Patents  . . . . . . . . . . . . . . . . 334--334
                      Anonymous   Purifying Rancid Butter  . . . . . . . . 319--319
                      Anonymous   American Industries, No. 13  . . . . . . 319--319
                      Anonymous   The Mental Requirements of Modern
                                  Enterprises  . . . . . . . . . . . . . . 320--320
                      Anonymous   Three Successful Efforts . . . . . . . . 320--320
                      Anonymous   The Electric Light in Paris  . . . . . . 320--320
                      Anonymous   New Process for Preserving and
                                  Ornamenting Iron . . . . . . . . . . . . 320--321
                      Anonymous   Who Originated the Atlantic Cable? . . . 321--321
                      Anonymous   The World-Circuit and Time Puzzle  . . . 321--321
                      Anonymous   Prof. Bert's New Anæsthetic . . . . . . . 321--321
                      Anonymous   A New Satchel Desk . . . . . . . . . . . 323--323
                      Anonymous   Moulding, Carving, Paneling and
                                  Dovetailing Machine  . . . . . . . . . . 323--323
                      Anonymous   Engineering Inventions . . . . . . . . . 324--324
                      Anonymous   Improved Microphones . . . . . . . . . . 324--324
                    S. W. Balch   A Simple Ellipsograph  . . . . . . . . . 324--324
                      Anonymous   Improved Stock and Dies for Pipes and
                                  Bolts  . . . . . . . . . . . . . . . . . 325--325
                      Anonymous   Recent American Patents  . . . . . . . . 325--326
                      Anonymous   A New Flour, Grain, and Bolting Cloth
                                  Inspector  . . . . . . . . . . . . . . . 326--326
                      Anonymous   A New Rotary Engine  . . . . . . . . . . 326--326
                      Anonymous   Miscellaneous Inventions . . . . . . . . 326--326
                      Anonymous   The Orchis Family  . . . . . . . . . . . 327--328
                      Anonymous   The New York Academy of Sciences . . . . 328--328
                   C. Few Seiss   The Brown Desmognath . . . . . . . . . . 329--329
                      Anonymous   A Rich Chair . . . . . . . . . . . . . . 329--329
                      Anonymous   A Sensible Fashion . . . . . . . . . . . 330--330
                      Anonymous   To Inventors . . . . . . . . . . . . . . 331--331
                      Anonymous   Communications Received  . . . . . . . . 332--332

Scientific American
Volume 40, Number 22, May 31, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 347--347
                      Anonymous   Books: New Books and Publications  . . . 347--347
                      Anonymous   Notes and Queries: Notes & Queries  . . . 347--348
                      Anonymous   Index of Inventions  . . . . . . . . . . 348--348
                      Anonymous   Patents  . . . . . . . . . . . . . . . . 350--350
                      Anonymous   Design Patents . . . . . . . . . . . . . 336--336
                      Anonymous   The Impatience of Youth  . . . . . . . . 336--336
                      Anonymous   Common Mistakes in House Building  . . . 337--337
                      Anonymous   Chicle, or Mexican Gum . . . . . . . . . 337--337
                      Anonymous   The Cause of Consumption . . . . . . . . 337--337
                      Anonymous   American Industries --- No. 14 . . . . . 337--338
                      Anonymous   A Novel Motor  . . . . . . . . . . . . . 338--338
                      Anonymous   Thrasher, Straw Scale, and Sheaf Binder  339--339
                      Anonymous   Miscellaneous Inventions . . . . . . . . 339--339
                      Anonymous   Amateur Mechanics  . . . . . . . . . . . 340--340
                      Anonymous   Railway Notes  . . . . . . . . . . . . . 341--341
                      Anonymous   New Steam Boiler . . . . . . . . . . . . 342--342
                      Anonymous   Engineering Inventions . . . . . . . . . 342--343
                      Anonymous   The Equine Antelope  . . . . . . . . . . 343--344
                      Anonymous   Greek Drinking Cup . . . . . . . . . . . 344--344
                      Anonymous   New Provision Safe . . . . . . . . . . . 344--345
                      Anonymous   The Edible Mussel  . . . . . . . . . . . 345--345
                      Anonymous   New Agricultural Inventions  . . . . . . 345--346
                      Anonymous   Gerard Mercator, the Cosmographer  . . . 346--346
                      Anonymous   David Page . . . . . . . . . . . . . . . 346--346
                      Anonymous   To Inventors . . . . . . . . . . . . . . 347--347
                      Anonymous   Communications Received  . . . . . . . . 348--348

Scientific American
Volume 40, Number 23, June 7, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 363--363
                      Anonymous   Notes and Queries: Notes & Queries  . . . 363--363
                      Anonymous   Index of Inventions  . . . . . . . . . . 363--364
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 366--366
                      Anonymous   The Autophone  . . . . . . . . . . . . . 351--351
                      Anonymous   The Trajectory of Molecules  . . . . . . 352--352
                      Anonymous   The International Canal Congress . . . . 352--352
                      Anonymous   Science as a Detective . . . . . . . . . 352--352
                      Anonymous   A New Refrigerating Liquid from Beets    352--352
                      Anonymous   Magnetic Motors  . . . . . . . . . . . . 352--353
                      Anonymous   Underground Telegraph Wires  . . . . . . 353--353
                      Anonymous   Localizing Telephone Calls . . . . . . . 353--353
                      Anonymous   Molecular Chemistry --- No. II . . . . . 353--353
                      Anonymous   The Donnadieu Reciprocating Pump . . . . 355--356
                      Anonymous   A Sixpenny Phonograph  . . . . . . . . . 356--357
                      Anonymous   The New York Academy of Sciences . . . . 357--357
                      Anonymous   Recent Mechanical Inventions . . . . . . 357--358
                      Anonymous   A New Steam Hammer . . . . . . . . . . . 358--358
                      Anonymous   Attachment for Boiler Feed Pumps . . . . 358--358
                      Anonymous   Recent American Patents  . . . . . . . . 358--358
                      Anonymous   Terrestrial Gasteropods  . . . . . . . . 359--359
                      Anonymous   Drainage . . . . . . . . . . . . . . . . 360--361
                      Anonymous   Stool of Inlaid Wood and Embroidered
                                  Cloth  . . . . . . . . . . . . . . . . . 361--361
                      Anonymous   Specimens of Turkish Pottery . . . . . . 361--362
                      Anonymous   Asa Packer . . . . . . . . . . . . . . . 362--362
                      Anonymous   Communications Received  . . . . . . . . 363--363

Scientific American
Volume 40, Number 24, June 14, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 379--379
                      Anonymous   Books: New Books and Publications  . . . 379--379
                      Anonymous   Notes and Queries: Notes & Queries  . . . 379--380
                      Anonymous   Index of Inventions  . . . . . . . . . . 380--380
                      Anonymous   Opening of the Northeast Passage . . . . 368--368
                      Anonymous   Another Objection to the License System  368--368
                      Anonymous   How Coffee is Cleaned  . . . . . . . . . 368--368
                      Anonymous   Robert Crawshay  . . . . . . . . . . . . 368--368
                      Anonymous   Triumphs of Modern Engineering . . . . . 368--369
                      Anonymous   Molecular Chemistry --- No. III  . . . . 369--369
                      Anonymous   The Gatling Gun  . . . . . . . . . . . . 370--370
                      Anonymous   New Agricultural Inventions  . . . . . . 370--370
                      Anonymous   New Hay Press  . . . . . . . . . . . . . 371--372
                      Anonymous   Improved Snow Flanger  . . . . . . . . . 372--372
                      Anonymous   New Sample Case  . . . . . . . . . . . . 372--372
                      Anonymous   Recent American Patents  . . . . . . . . 372--373
                      Anonymous   New Pipe Cutting and Threading Machine   374--374
                      Anonymous   A New Condenser  . . . . . . . . . . . . 374--374
                      Anonymous   The Chameleon  . . . . . . . . . . . . . 375--376
                      Anonymous   Recent Mechanical Inventions . . . . . . 376--376
                      Anonymous   A New Winged Projectile  . . . . . . . . 376--376
                      Anonymous   The Writing Telegraph  . . . . . . . . . 376--376
                      Anonymous   Wilson's ``Horograph,'' or Clockwork Pen 377--377
                      Anonymous   Recent Discoveries in Assyria  . . . . . 377--378
                      Anonymous   Communications Received  . . . . . . . . 380--380

Scientific American
Volume 40, Number 25, June 21, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 395--395
                      Anonymous   Notes and Queries: Notes & Queries  . . . 395--396
                      Anonymous   Index of Inventions  . . . . . . . . . . 396--396
                      Anonymous   Practical Divisibility of the Electric
                                  Light  . . . . . . . . . . . . . . . . . 383--383
                      Anonymous   A Prairie Boy's Experience . . . . . . . 384--384
                      Anonymous   Unknown New York . . . . . . . . . . . . 384--384
                      Anonymous   Strike of Pittsburg Puddlers . . . . . . 384--384
                      Anonymous   The Utility of Bees  . . . . . . . . . . 384--385
                      Anonymous   Philander Higley Roots . . . . . . . . . 385--385
                      Anonymous   The Isthmus Canal  . . . . . . . . . . . 385--385
                      Anonymous   Improved Finishing Press . . . . . . . . 386--386
                      Anonymous   Milling Machine  . . . . . . . . . . . . 386--387
                      Anonymous   Improved Window Cornice  . . . . . . . . 387--387
                      Anonymous   New Combination Tool for Merchants . . . 387--387
                      Anonymous   A New Scuffle Hoe  . . . . . . . . . . . 387--387
                      Anonymous   Engineering Inventions . . . . . . . . . 387--388
                      Anonymous   Recent Mechanical Inventions . . . . . . 388--388
                      Anonymous   Preventive for Slipping Belts  . . . . . 388--389
                      Anonymous   Improved Road Plane  . . . . . . . . . . 390--390
                      Anonymous   Improved Hydrant . . . . . . . . . . . . 390--390
                      Anonymous   Recent American Patents  . . . . . . . . 390--390
                      Anonymous   Some Interesting Echinodermata . . . . . 391--392
                      Anonymous   Natural History Notes  . . . . . . . . . 392--393
                      Anonymous   Flower Stand . . . . . . . . . . . . . . 393--394
                      Anonymous   Communications Received  . . . . . . . . 396--396

Scientific American
Volume 40, Number 26, June 28, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 409--409
                      Anonymous   Books: New Books and Publications  . . . 409--409
                      Anonymous   Notes and Queries: Notes & Queries  . . . 409--410
                      Anonymous   Index of Inventions  . . . . . . . . . . 410--410
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 414--414
                      Anonymous   A New Switch Controller  . . . . . . . . 399--399
                      Anonymous   Six Months of Scientific Progress  . . . 400--400
                      Anonymous   Citric Acid-From the Lime and Lemon  . . 400--400
                      Anonymous   The Tide Water Oil Pipe Line Completed   400--400
                      Anonymous   Improvement in Sugar Manufacture . . . . 400--401
                      Anonymous   The Brewers' Convention  . . . . . . . . 401--401
                      Anonymous   The Australian Exhibitions . . . . . . . 401--401
                      Anonymous   The New Steamship Arizona  . . . . . . . 401--401
                      Anonymous   Insects as Medicine  . . . . . . . . . . 401--401
                      Anonymous   The Krupp Electric Lamp  . . . . . . . . 402--402
                      Anonymous   New Shop Saw . . . . . . . . . . . . . . 403--403
                      Anonymous   A New Invalid Bed  . . . . . . . . . . . 403--403
                      Anonymous   Amateur Mechanics  . . . . . . . . . . . 404--404
                      Anonymous   Miscellaneous Inventions . . . . . . . . 404--404
                      Anonymous   Recent Mechanical Inventions . . . . . . 405--406
                      Anonymous   A New Rotary Engine  . . . . . . . . . . 406--406
                      Anonymous   The Cyclodes . . . . . . . . . . . . . . 407--407
                      Anonymous   Fastening and Releasing Device for
                                  Cattle Stalls  . . . . . . . . . . . . . 407--408
                      Anonymous   The Electric Pen . . . . . . . . . . . . 408--408
                      Anonymous   A New Sounder  . . . . . . . . . . . . . 408--408
                      Anonymous   New Agricultural Inventions  . . . . . . 408--408
                      Anonymous   An Old Concern Re-Established  . . . . . 409--409
                      Anonymous   Communications Received  . . . . . . . . 410--410


Scientific American
Volume 41, Number 1, July 5, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 10--10
                      Anonymous   Business and Personal  . . . . . . . . . 11--11
                      Anonymous   Books: New Books and Publications  . . . 11--11
                      Anonymous   Notes and Queries  . . . . . . . . . . . 11--12
                      Anonymous   Index of Inventions  . . . . . . . . . . 12--12
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 14--14
                      Anonymous   The Kansas Whirlwinds  . . . . . . . . . 1--2
                      Anonymous   A Patent Right Discussion in England . . 2--2
                      Anonymous   Magnetizing Molten Iron  . . . . . . . . 2--2
                      Anonymous   A New Theory of the Earth's Magnetic
                                  Poles  . . . . . . . . . . . . . . . . . 2--3
                      Anonymous   Objections to Self-Propelling Fire
                                  Engines  . . . . . . . . . . . . . . . . 3--3
                      Anonymous   The Prospects of Tea Culture . . . . . . 3--3
                      Anonymous   The Diseases of Building Timber  . . . . 3--3
                      Anonymous   ``Scientific Credulity'' . . . . . . . . 3--3
                      Anonymous   Recent American Patents  . . . . . . . . 4--4
                      Anonymous   New Electric Lamp  . . . . . . . . . . . 4--4
                      Anonymous   Luedtge's Universal Telephone  . . . . . 4--4
                      Anonymous   Hydriodic Acid . . . . . . . . . . . . . 5--5
                      Anonymous   Pneumatic Clock  . . . . . . . . . . . . 5--6
                      Anonymous   Recent Mechanical Inventions . . . . . . 6--6
                      Anonymous   A Novel Rotary Pump  . . . . . . . . . . 6--7
                      Anonymous   The Elephant Shrew . . . . . . . . . . . 7--7
                    C. V. Riley   The Thick-Thighed Walking Stick  . . . . 7--9
                      Anonymous   New Device for Separating Cream from
                                  Milk . . . . . . . . . . . . . . . . . . 9--9
                      Anonymous   An Inventor Victorious . . . . . . . . . 9--9
                      Anonymous   Improved Anchor  . . . . . . . . . . . . 9--9
                      Anonymous   Engineering Inventions . . . . . . . . . 10--10
                      Anonymous   An Old Concern Re-Established  . . . . . 11--11
                      Anonymous   Communications Received  . . . . . . . . 12--12

Scientific American
Volume 41, Number 2, July 12, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 18--18
                      Anonymous   Business and Personal  . . . . . . . . . 27--27
                      Anonymous   Books: New Books and Publications  . . . 27--27
                      Anonymous   Notes and Queries  . . . . . . . . . . . 27--28
                      Anonymous   Index of Inventions  . . . . . . . . . . 28--28
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 30--30
                      Anonymous   Improved Hose Coupling . . . . . . . . . 15--15
                      Anonymous   A New Gas Exhauster Governor . . . . . . 15--15
                      Anonymous   The North-Northwest  . . . . . . . . . . 16--16
                      Anonymous   Pluck and Energy Sufficient Capital for
                                  Pioneers . . . . . . . . . . . . . . . . 16--16
                      Anonymous   Contamination of Drinking Water  . . . . 16--16
                      Anonymous   Pah-Gosa Springs, Colorado . . . . . . . 16--17
                      Anonymous   Defeat of the Cochrane Patents . . . . . 17--17
                      Anonymous   Recent American Patents  . . . . . . . . 18--18
                      Anonymous   A Magnetized Watch . . . . . . . . . . . 19--19
                      Anonymous   A New Sewer Trap . . . . . . . . . . . . 19--19
                      Anonymous   Recent Mechanical Inventions . . . . . . 19--19
                      Anonymous   A New Portable Engine  . . . . . . . . . 19--19
                      Anonymous   New Cuff Holder  . . . . . . . . . . . . 19--20
                      Anonymous   Amateur Mechanics  . . . . . . . . . . . 20--21
                      Anonymous   New Drag Sawing Machine  . . . . . . . . 21--21
                      Anonymous   Miscellaneous Inventions . . . . . . . . 22--22
                      Anonymous   Machinery for Making Shingles  . . . . . 22--22
                      Anonymous   Jones' New Press Machine and Process . . 22--23
                      Anonymous   The Mara . . . . . . . . . . . . . . . . 23--23
                Daniel C. Beard   \em Scarus Quacamaia, or Great American
                                  Parrot Fish  . . . . . . . . . . . . . . 23--25
                      Anonymous   Ancient Keys . . . . . . . . . . . . . . 25--26
                      Anonymous   Communications Received  . . . . . . . . 28--28

Scientific American
Volume 41, Number 3, July 19, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 43--43
                      Anonymous   Books: New Books and Publications  . . . 43--43
                      Anonymous   Notes and Queries  . . . . . . . . . . . 43--44
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 44--44
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 46--46
                      Anonymous   The United States Drilling Scow, East
                                  River  . . . . . . . . . . . . . . . . . 31--31
                      Anonymous   Alum in Baking Powders . . . . . . . . . 32--32
                      Anonymous   The Captive Balloon at Coney Island  . . 32--32
                      Anonymous   The Telephone as a Lightning Indicator   32--33
                      Anonymous   Peculiar Steam Whistling . . . . . . . . 33--33
                      Anonymous   Molecular Chemistry. --- No. 4 . . . . . 33--33
                      Anonymous   An Improved Tug Coupling . . . . . . . . 34--34
                      Anonymous   A New Water Meter  . . . . . . . . . . . 34--35
                      Anonymous   Improved Water Wheel . . . . . . . . . . 35--35
                      Anonymous   Improved Washbasin Valves  . . . . . . . 35--35
                      Anonymous   Recent American Patents  . . . . . . . . 35--35
                      Anonymous   Recent Mechanical Inventions . . . . . . 36--36
                      Anonymous   Railway Notes  . . . . . . . . . . . . . 36--36
                      Anonymous   The Geysers of the Azores  . . . . . . . 37--37
                      Anonymous   New Propelling Apparatus . . . . . . . . 38--38
                      Anonymous   New Milling Attachment for Lathes  . . . 38--39
                      Anonymous   Miscellaneous Inventions . . . . . . . . 39--40
                      Anonymous   New Sewer Gas Stopper  . . . . . . . . . 40--40
                      Anonymous   Plowing by Electricity . . . . . . . . . 41--41
                      Anonymous   New Agricultural Inventions  . . . . . . 41--42
                      Anonymous   Communications Received  . . . . . . . . 44--44

Scientific American
Volume 41, Number 4, July 26, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 56--57
                      Anonymous   Business and Personal  . . . . . . . . . 59--59
                      Anonymous   Books: New Books and Publications  . . . 59--59
                      Anonymous   Notes and Queries  . . . . . . . . . . . 59--60
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 62--62
                      Anonymous   The Electric Light in Photography  . . . 47--47
                      Anonymous   The American Polar Expedition  . . . . . 48--48
                      Anonymous   Proposed Exploration of Western Asia . . 48--48
                      Anonymous   Flint Implements of the Aborigines . . . 48--49
                      Anonymous   A Tropical Fruit . . . . . . . . . . . . 49--49
                      Anonymous   Fire-Flies . . . . . . . . . . . . . . . 49--49
                      Anonymous   A Novel Steam Car  . . . . . . . . . . . 50--50
                      Anonymous   A New Brick Machine  . . . . . . . . . . 50--50
                      Anonymous   Recent American Patents  . . . . . . . . 50--51
                      Anonymous   The Exeter Steam Engine  . . . . . . . . 51--52
                      Anonymous   Progress at Menlo Park . . . . . . . . . 52--52
                      Anonymous   The Sun's Radiant Energy . . . . . . . . 53--54
                      Anonymous   Amateur Mechanics  . . . . . . . . . . . 54--54
                      Anonymous   An Improved Mill . . . . . . . . . . . . 54--55
                      Anonymous   The Aswail . . . . . . . . . . . . . . . 55--55
                      Anonymous   Natural History Notes  . . . . . . . . . 55--56
                      Anonymous   Curious Discoveries in Regard to the
                                  Manner of Making Flint Implements by the
                                  Aborigines and Prehistoric Inhabitants
                                  of America . . . . . . . . . . . . . . . 57--58
                      Anonymous   Engineering Inventions . . . . . . . . . 58--58
                      Anonymous   New Ice Breaker  . . . . . . . . . . . . 58--58
                      Anonymous   Communications Received  . . . . . . . . 60--60

Scientific American
Volume 41, Number 5, August 2, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 75--75
                      Anonymous   Books: New Books and Publications  . . . 75--75
                      Anonymous   Notes and Queries  . . . . . . . . . . . 75--75
                      Anonymous   Index of Inventions  . . . . . . . . . . 75--76
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 78--78
                      Anonymous   The Grand Prize Diploma of the French
                                  Exhibition . . . . . . . . . . . . . . . 63--63
                      Anonymous   Shall We Have a Canal or Ship Railway?   64--64
                      Anonymous   The Cincinnati Industrial Exhibition . . 64--64
                      Anonymous   The Opening of the Mississippi . . . . . 64--64
                      Anonymous   The Reflecting Magic Lantern in Court    64--65
                      Anonymous   Progress in Spectroscopy . . . . . . . . 65--65
                      Anonymous   Where to Study Chemistry in Germany  . . 65--65
                      Anonymous   The Polar Pantograph . . . . . . . . . . 66--66
                      Anonymous   Combined Fork and Spoon  . . . . . . . . 66--66
                      Anonymous   An Improved Potato Digger  . . . . . . . 66--66
                      Anonymous   Recent Mechanical Inventions . . . . . . 66--66
                  S. P. Langley   The Sun a Source of Power  . . . . . . . 67--68
                      Anonymous   A Ship Railway at Panama . . . . . . . . 68--68
                      Anonymous   Spar Torpedo Vessel Acheron  . . . . . . 69--69
                      Anonymous   Portable Flour Mill  . . . . . . . . . . 70--70
                      Anonymous   New Thrashing Machine  . . . . . . . . . 70--71
                      Anonymous   Tornelia . . . . . . . . . . . . . . . . 71--71
                      Anonymous   Natural History Notes  . . . . . . . . . 71--71
                      Anonymous   The Phylloxera in France . . . . . . . . 72--73
                      Anonymous   New Bubble Blower  . . . . . . . . . . . 73--73
                      Anonymous   Future of American Engineering . . . . . 74--74

Scientific American
Volume 41, Number 6, August 9, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 84--84
                      Anonymous   Business and Personal  . . . . . . . . . 91--91
                      Anonymous   Books: New Books and Publications  . . . 91--91
                      Anonymous   Notes and Queries  . . . . . . . . . . . 91--92
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--92
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 94--94
                      Anonymous   The Manufacture of Valves  . . . . . . . 79--80
                      Anonymous   What to do Next Winter . . . . . . . . . 80--81
                      Anonymous   Probable Opportunities for New
                                  Discoveries in Acoustics . . . . . . . . 81--81
                      Anonymous   The New Bureau of National Survey  . . . 81--81
                      Anonymous   How to Preserve Cider  . . . . . . . . . 81--81
                      Anonymous   Changes in Photography . . . . . . . . . 81--81
                      Anonymous   Spirit Photographs . . . . . . . . . . . 81--81
                      Anonymous   The Electrical Alarm Compass . . . . . . 81--81
                      Anonymous   Improved Pressing Machine  . . . . . . . 82--82
                      Anonymous   Improved Grinding Mill . . . . . . . . . 83--83
                      Anonymous   A New Railroad Tie . . . . . . . . . . . 83--83
                      Anonymous   Engineering Inventions . . . . . . . . . 83--84
                      Anonymous   New Agricultural Inventions  . . . . . . 84--85
                      Anonymous   A New Optical Delusion . . . . . . . . . 85--85
                      Anonymous   Improvement in Saw Gumming . . . . . . . 86--86
                      Anonymous   Improved Nut Lock  . . . . . . . . . . . 86--86
                      Anonymous   The Narica . . . . . . . . . . . . . . . 87--88
                      Anonymous   Miscellaneous Inventions . . . . . . . . 88--90
                      Anonymous   Recent Mechanical Inventions . . . . . . 90--90
                      Anonymous   Communications Received  . . . . . . . . 92--92

Scientific American
Volume 41, Number 7, August 16, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 100--100
                      Anonymous   Business and Personal  . . . . . . . . . 107--107
                      Anonymous   Books: New Books and Publications  . . . 107--107
                      Anonymous   Notes and Queries  . . . . . . . . . . . 107--108
                      Anonymous   Index of Inventions  . . . . . . . . . . 108--108
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 110--110
                      Anonymous   Amateur Mechanics  . . . . . . . . . . . 95--96
                      Anonymous   The American Association for the
                                  Advancement of Science . . . . . . . . . 96--97
                      Anonymous   Sandal Wood  . . . . . . . . . . . . . . 97--97
                      Anonymous   The Syst\`eme S\`ebillot . . . . . . . . 97--97
                      Anonymous   A Sanitary Captain Eads Wanted . . . . . 97--98
                      Anonymous   A New Piston Rod Packing . . . . . . . . 98--98
                      Anonymous   An Improved Churn  . . . . . . . . . . . 98--98
                      Anonymous   Engineering Inventions . . . . . . . . . 98--98
                      Anonymous   Recent Agricultural Inventions . . . . . 99--99
                Geo. M. Hopkins   New Magnetometer . . . . . . . . . . . . 99--100
                      Anonymous   New Electric Current Regulator . . . . . 101--101
                      Anonymous   Recent Mechanical Inventions . . . . . . 101--101
                      Anonymous   New Cut-Off  . . . . . . . . . . . . . . 102--102
                      Anonymous   Combined Sad-Iron and Fluting Roller . . 102--102
                      Anonymous   Miscellaneous Inventions . . . . . . . . 102--102
                      Anonymous   Faience  . . . . . . . . . . . . . . . . 103--106
                      Anonymous   Communications Received  . . . . . . . . 108--108

Scientific American
Volume 41, Number 8, August 23, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 116--116
                      Anonymous   Business and Personal  . . . . . . . . . 123--123
                      Anonymous   Books: New Books and Publications  . . . 123--123
                      Anonymous   Notes and Queries  . . . . . . . . . . . 123--124
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--124
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 126--126
                      Anonymous   New Meridian Circle  . . . . . . . . . . 111--111
                      Anonymous   A Subject for Investigation  . . . . . . 112--112
                      Anonymous   Still\`e on Yellow Fever . . . . . . . . 112--112
                      Anonymous   A New Method of Locating Lightning Rods  112--113
                      Anonymous   Labor at Home and Abroad . . . . . . . . 113--113
                      Anonymous   Dragon Flies . . . . . . . . . . . . . . 113--113
                      Anonymous   The American Onion-Smut in France  . . . 113--113
                      Anonymous   Nordenskjold's Expedition  . . . . . . . 113--113
                      Anonymous   The Holly System of Steam Heating  . . . 114--116
                      Anonymous   Miscellaneous Inventions . . . . . . . . 116--117
                      Anonymous   Improved Steam Whistle . . . . . . . . . 117--117
                      Anonymous   Lock Letter Press  . . . . . . . . . . . 117--117
                      Anonymous   Novel Work Table Implement . . . . . . . 118--118
                      Anonymous   Improved Portable Railroad Lock  . . . . 118--118
                      Anonymous   Improved Straw Cutter  . . . . . . . . . 118--118
                      Anonymous   Recent Mechanical Inventions . . . . . . 118--118
                      Anonymous   The Flying Dragon  . . . . . . . . . . . 119--120
                      Anonymous   Molecular Chemistry --- No. 5  . . . . . 120--121
                      Anonymous   Engineering Inventions . . . . . . . . . 121--121
                      Anonymous   Recent Decisions Relating to Patents,
                                  Trade Marks, Etc . . . . . . . . . . . . 122--122
                      Anonymous   Communications Received  . . . . . . . . 124--124

Scientific American
Volume 41, Number 9, August 30, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 133--133
                      Anonymous   Business and Personal  . . . . . . . . . 139--139
                      Anonymous   Books: New Books and Publications  . . . 139--139
                      Anonymous   Notes and Queries  . . . . . . . . . . . 139--140
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 142--142
                      Anonymous   Bessemer Steel . . . . . . . . . . . . . 127--127
                      Anonymous   Balance of Trade in Men  . . . . . . . . 128--128
                      Anonymous   A Little Paradox . . . . . . . . . . . . 128--128
                      Anonymous   Fungi in Man . . . . . . . . . . . . . . 128--128
                    C. V. Riley   Failure of Tea Roses . . . . . . . . . . 129--129
                      Anonymous   New Propeller Screw  . . . . . . . . . . 130--130
                      Anonymous   The Thunderer's Gun  . . . . . . . . . . 130--130
                      Anonymous   The Cycloscope . . . . . . . . . . . . . 131--131
                      Anonymous   Arsenic in Water Colors  . . . . . . . . 131--132
                      Anonymous   Mechanical Inventions  . . . . . . . . . 132--133
                      Anonymous   A New Miter Cutter . . . . . . . . . . . 134--134
                      Anonymous   Screw Scaffolding  . . . . . . . . . . . 134--134
                      Anonymous   Miscellaneous Inventions . . . . . . . . 134--134
                      Anonymous   The Japanese Goat Antelope . . . . . . . 135--135
                      Anonymous   Giant Tree . . . . . . . . . . . . . . . 135--135
                      Anonymous   Natural History Notes  . . . . . . . . . 135--136
                      Anonymous   Engineering Inventions . . . . . . . . . 137--138
                      Anonymous   Recent Decisions Relating to Patents,
                                  Trade Marks, Etc . . . . . . . . . . . . 138--138
                      Anonymous   Communications Received  . . . . . . . . 140--140

Scientific American
Volume 41, Number 10, September 6, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 148--148
                      Anonymous   Business and Personal  . . . . . . . . . 155--155
                      Anonymous   Books: New Books and Publications  . . . 155--155
                      Anonymous   Notes and Queries  . . . . . . . . . . . 155--155
                      Anonymous   Index of Inventions  . . . . . . . . . . 155--156
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 158--158
                      Anonymous   The Belgian System of Canal Towing . . . 143--143
                      Anonymous   Intelligent Workmen Needed . . . . . . . 144--144
                      Anonymous   Hydrophobia Successfully Treated with
                                  Curare . . . . . . . . . . . . . . . . . 144--144
                      Anonymous   Early Advocates of Ship Railways . . . . 144--144
                      Anonymous   American Vines in France . . . . . . . . 144--145
                      Anonymous   Reading at Seven and a Half Miles
                                  Distance from the Candle . . . . . . . . 145--145
                      Anonymous   A Covering Wanted for Cotton Bales . . . 145--145
                      Anonymous   A Singular Memory  . . . . . . . . . . . 145--145
                      Anonymous   Four Hours in the Dark . . . . . . . . . 145--145
                      Anonymous   Miscellaneous Inventions . . . . . . . . 146--146
                      Anonymous   Tubular Piles  . . . . . . . . . . . . . 147--147
                      Anonymous   Improved Rheostat  . . . . . . . . . . . 147--147
                      Anonymous   Improved Instrument for Ringing Swine    147--147
                      Anonymous   Cutting Packing Company. --- One of the
                                  Largest Establishments of the Kind in
                                  the Country  . . . . . . . . . . . . . . 148--149
                      Anonymous   New Iron Fence Post  . . . . . . . . . . 149--149
                      Anonymous   Iron and Wood Gear-Dressing Machine  . . 150--150
                      Anonymous   Improved Boiler Feed Pump  . . . . . . . 150--151
                      Anonymous   The Swelled Trunk Palm . . . . . . . . . 151--151
                      Anonymous   Mechanical Inventions  . . . . . . . . . 151--153
                      Anonymous   Engineering Inventions . . . . . . . . . 153--154
                      Anonymous   Communications Received  . . . . . . . . 155--155

Scientific American
Volume 41, Number 11, September 13, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 165--166
                      Anonymous   Business and Personal  . . . . . . . . . 171--171
                      Anonymous   Books: New Books and Publications  . . . 171--171
                      Anonymous   Notes and Queries  . . . . . . . . . . . 171--172
                      Anonymous   Index of Inventions  . . . . . . . . . . 172--172
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 174--174
                      Anonymous   Lenses . . . . . . . . . . . . . . . . . 159--159
                      Anonymous   The American Way . . . . . . . . . . . . 160--160
                      Anonymous   The Proposed Panama Ship-Railway . . . . 160--160
                      Anonymous   Recent Industrial Progress . . . . . . . 160--161
                      Anonymous   The Commissioner of Patents in a Dilemma 161--161
                      Anonymous   The Red Spider on Roses  . . . . . . . . 161--161
                      Anonymous   Rapid Photographing  . . . . . . . . . . 161--161
                      Anonymous   Curing Beef by Injecting Brine . . . . . 161--161
                      Anonymous   Lift Locks and Locking-Time  . . . . . . 161--161
                      Anonymous   The American Science Association . . . . 161--161
                      Anonymous   Drying Machines  . . . . . . . . . . . . 162--163
                      Anonymous   Engineering Inventions . . . . . . . . . 163--163
                      Anonymous   Self-Laying Tramway  . . . . . . . . . . 163--163
                      Anonymous   A New Metallic Thermometer . . . . . . . 163--164
                      Anonymous   Mechanical Inventions  . . . . . . . . . 164--164
                      Anonymous   Recent Agricultural Inventions . . . . . 164--164
                      Anonymous   A New Press  . . . . . . . . . . . . . . 166--166
                      Anonymous   New form of Electric Lamp  . . . . . . . 166--166
                      Anonymous   Novel Device for Transmitting Motion . . 166--167
                      Anonymous   The Greenland Whale and the Grampus  . . 167--168
                      Anonymous   Miscellaneous Inventions . . . . . . . . 168--169
                      Anonymous   An Ascent of the Volcano of Agua,
                                  Central America  . . . . . . . . . . . . 170--170
                      Anonymous   Communications Received  . . . . . . . . 172--172

Scientific American
Volume 41, Number 12, September 20, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 187--187
                      Anonymous   Books: New Books and Publications  . . . 187--187
                      Anonymous   Notes and Queries  . . . . . . . . . . . 187--188
                      Anonymous   Index of Inventions  . . . . . . . . . . 188--188
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 190--190
                      Anonymous   The Manufacture of the Harris--Corliss
                                  Engine . . . . . . . . . . . . . . . . . 175--176
                      Anonymous   The American Association . . . . . . . . 176--176
                      Anonymous   Patent Your Inventions Abroad  . . . . . 176--177
                      Anonymous   Gelatine Negatives . . . . . . . . . . . 177--177
                      Anonymous   The Dissociation of Chlorine . . . . . . 177--177
                      Anonymous   The Northwest Passage Successfully Made  177--177
                      Anonymous   Platinum in the United States  . . . . . 177--178
                      Anonymous   Skimming Milk by Centrifugal Action  . . 178--179
                      Anonymous   A New Punching and Shearing Press  . . . 179--179
                      Anonymous   New Flange Coupling  . . . . . . . . . . 179--179
                      Anonymous   A Few Words to Young Steam Fitters . . . 179--180
                      Anonymous   Proceedings of the American Association  180--180
                      Anonymous   Astronomical Notes . . . . . . . . . . . 180--180
                      Anonymous   Miscellaneous Inventions . . . . . . . . 181--181
                      Anonymous   A Novel Exhibition . . . . . . . . . . . 181--182
                      Anonymous   New form of Transit Instrument . . . . . 182--182
                      Anonymous   Proposed New British Polar Expedition    183--183
                      Anonymous   Iodine as a Substitute for Quinine . . . 183--184
                      Anonymous   Three Rules for Abbreviating
                                  Multiplication . . . . . . . . . . . . . 184--184
                      Anonymous   Engineering Inventions . . . . . . . . . 184--185
                      Anonymous   Gothic Oak Press . . . . . . . . . . . . 185--185
                      Anonymous   Recent Agricultural Inventions . . . . . 185--186
                      Anonymous   Communications Received  . . . . . . . . 188--188

Scientific American
Volume 41, Number 13, September 27, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 203--203
                      Anonymous   Books: New Books and Publications  . . . 203--203
                      Anonymous   Notes and Queries  . . . . . . . . . . . 203--204
                      Anonymous   Index of Inventions  . . . . . . . . . . 204--204
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 206--206
                      Anonymous   A Wonderful Clock  . . . . . . . . . . . 191--191
                      Anonymous   Technical Science in New Zealand . . . . 192--192
                      Anonymous   The Bessemer Steel Interest  . . . . . . 192--192
                      Anonymous   Inventions in China  . . . . . . . . . . 192--193
                      Anonymous   Copyrighting Fruit . . . . . . . . . . . 193--193
                      Anonymous   The Social Science Association . . . . . 193--193
                      Anonymous   Recent Investigation into the Action of
                                  Anæsthetics . . . . . . . . . . . . . . . 193--194
                      Anonymous   New form of Reynier's Electric Lamp  . . 194--194
                      Anonymous   A New Combined Punch and Shear . . . . . 194--194
                      Anonymous   Mechanical Inventions  . . . . . . . . . 194--194
                Alfred M. Mayer   Practical Experiments in Magnetism, with
                                  Special Reference to the Demagnetization
                                  of Watches. --- No. 1  . . . . . . . . . 195--197
                      Anonymous   A New Surf Boat  . . . . . . . . . . . . 198--198
                      Anonymous   Edison's Latest Telephone  . . . . . . . 198--198
                      Anonymous   Miscellaneous Inventions . . . . . . . . 198--199
                      Anonymous   Giant Insects  . . . . . . . . . . . . . 199--200
                      Anonymous   Recent Decisions Relating to Patents,
                                  Trade Marks, Etc . . . . . . . . . . . . 200--201
                      Anonymous   Fire Screen  . . . . . . . . . . . . . . 201--202
                      Anonymous   Communications Received  . . . . . . . . 204--204

Scientific American
Volume 41, Number 14, October 4, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 216--216
                      Anonymous   Business and Personal  . . . . . . . . . 219--219
                      Anonymous   Books: New Books and Publications  . . . 219--219
                      Anonymous   Notes and Queries  . . . . . . . . . . . 219--219
                      Anonymous   Index of Inventions  . . . . . . . . . . 219--220
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 222--222
                      Anonymous   The Grain Trade of New York  . . . . . . 208--208
                      Anonymous   Former Extension Northward of South
                                  America  . . . . . . . . . . . . . . . . 208--209
                      Anonymous   The Future of Organic Chemistry  . . . . 209--209
                      Anonymous   The Use of the Jew's Ear Fungus in China 209--209
                      Anonymous   The Cost of Railway Cars . . . . . . . . 209--209
                      Anonymous   Vertical Car Wheel Borer . . . . . . . . 210--210
                      Anonymous   New Horse Clipping Machine . . . . . . . 210--210
                      Anonymous   Miscellaneous Inventions . . . . . . . . 210--210
                Alfred M. Mayer   Practical Experiments in Magnetism, with
                                  Special Reference to the Demagnetization
                                  of Watches. --- No. 2  . . . . . . . . . 211--214
                      Anonymous   Improved Engineer's Transit  . . . . . . 214--214
                      Anonymous   Mechanical Inventions  . . . . . . . . . 214--214
                      Anonymous   The Holloway Sanatorium  . . . . . . . . 215--215
                      Anonymous   The Tamarind . . . . . . . . . . . . . . 215--216
                      Anonymous   Japanese Bronze Vases  . . . . . . . . . 217--218
                      Anonymous   Recent Decisions Relating to Patents,
                                  Trade Marks, Etc . . . . . . . . . . . . 218--218
                      Anonymous   Communications Received  . . . . . . . . 219--219

Scientific American
Volume 41, Number 15, October 11, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 235--235
                      Anonymous   Books: New Books and Publications  . . . 235--235
                      Anonymous   Notes and Queries  . . . . . . . . . . . 235--236
                      Anonymous   Index of Inventions  . . . . . . . . . . 236--236
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 238--238
                      Anonymous   The Hydromotor . . . . . . . . . . . . . 223--224
                      Anonymous   The Temperature of Water Supply  . . . . 224--224
                      Anonymous   The Sydney Exhibition  . . . . . . . . . 224--224
                      Anonymous   Water for Industrial Uses in New York    224--224
                      Anonymous   Conspiracies to Nullify the Patent Laws  224--225
                      Anonymous   Extraction of Oils by Means of Solvents  225--225
                      Anonymous   The Policy of Patent Laws  . . . . . . . 225--225
                      Anonymous   Mechanical Inventions  . . . . . . . . . 226--226
                      Anonymous   Rosset's Clock . . . . . . . . . . . . . 226--226
                Alfred M. Mayer   Practical Experiments in Magnetism, with
                                  Special Reference to the Demagnetization
                                  of Watches. --- No. 3  . . . . . . . . . 227--229
                      Anonymous   A New Drag Sawing Machine  . . . . . . . 230--230
                      Anonymous   A New Fire Escape  . . . . . . . . . . . 230--230
                      Anonymous   Miscellaneous Inventions . . . . . . . . 230--231
                      Anonymous   New Calculating Attachment for Weighing
                                  Scales . . . . . . . . . . . . . . . . . 231--231
                      Anonymous   The Otocyon  . . . . . . . . . . . . . . 231--231
                      Anonymous   Recent Agricultural Inventions . . . . . 231--231
                      Anonymous   Natural History Notes  . . . . . . . . . 231--233
                      Anonymous   French Faience . . . . . . . . . . . . . 233--233
                      Anonymous   The Baneful Effects of Absinthe  . . . . 234--234
                      Anonymous   Communications Received  . . . . . . . . 236--236

Scientific American
Volume 41, Number 16, October 18, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 245--245
                      Anonymous   Business and Personal  . . . . . . . . . 251--251
                      Anonymous   Books: New Books and Publications  . . . 251--251
                      Anonymous   Notes and Queries  . . . . . . . . . . . 251--252
                      Anonymous   Index of Inventions  . . . . . . . . . . 252--252
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 254--254
                      Anonymous   Concrete Work at the Sea Ends of
                                  Mississippi Jetties  . . . . . . . . . . 240--240
                      Anonymous   Use of Photography in Wood Engraving . . 240--240
                      Anonymous   The Hudson River Tunnel  . . . . . . . . 240--240
                      Anonymous   The Production of Bromine in the United
                                  States . . . . . . . . . . . . . . . . . 240--241
                      Anonymous   Bad Water in Baltimore . . . . . . . . . 241--241
                      Anonymous   England's Sources of Motive Power  . . . 241--241
                      Anonymous   Cold Climates in the Treatment of
                                  Consumption  . . . . . . . . . . . . . . 241--241
                      Anonymous   Edison's Electrical Generator  . . . . . 242--242
                      Anonymous   Mechanical Inventions  . . . . . . . . . 242--242
                      Anonymous   French Horizontal Flour Mills  . . . . . 243--243
                      Anonymous   Carving Attachment for Lathes  . . . . . 243--243
                      Anonymous   Miscellaneous Inventions . . . . . . . . 243--244
                      Anonymous   Tortoise Shell . . . . . . . . . . . . . 244--244
                      Anonymous   The Localization of Arsenic in the Brain 244--244
                      Anonymous   Chlorophyl . . . . . . . . . . . . . . . 244--244
                      Anonymous   Recent Decisions Relating to Patents,
                                  Trade Marks, Etc . . . . . . . . . . . . 245--245
                      Anonymous   A Suggestion to Advertisers  . . . . . . 245--245
                      Anonymous   Engineering Inventions . . . . . . . . . 246--246
                      Anonymous   New Recording Pocketbook . . . . . . . . 246--246
                      Anonymous   The Tyler Cartridge  . . . . . . . . . . 246--246
                      Anonymous   New Barber's Chair . . . . . . . . . . . 246--246
                      Anonymous   The Tarsier  . . . . . . . . . . . . . . 247--247
                      Anonymous   Decoys for Wild Fowl . . . . . . . . . . 247--247
                      Anonymous   Some Recent American Patents . . . . . . 247--249
                      Anonymous   Agricultural Inventions  . . . . . . . . 249--251
                      Anonymous   Communications Received  . . . . . . . . 252--252

Scientific American
Volume 41, Number 17, October 25, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 267--267
                      Anonymous   Notes and Queries  . . . . . . . . . . . 267--267
                      Anonymous   Index of Inventions  . . . . . . . . . . 268--268
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 270--270
                      Anonymous   The Progress of Elevated Railways  . . . 255--255
                      Anonymous   The American Institute Fair  . . . . . . 256--256
                      Anonymous   A Zoological Garden for New York . . . . 256--256
                      Anonymous   The Origin of Machine-Made Pens  . . . . 256--256
                      Anonymous   New Torpedo Experiments by Capt.
                                  Ericsson . . . . . . . . . . . . . . . . 257--257
                      Anonymous   Metallic Fences  . . . . . . . . . . . . 257--257
                      Anonymous   Mechanical Inventions  . . . . . . . . . 259--259
                      Anonymous   Shearing and Riveting Machinery  . . . . 259--260
                      Anonymous   Agricultural Inventions  . . . . . . . . 260--262
                      Anonymous   An Improvement in Stovepipes . . . . . . 262--262
                      Anonymous   New Hydraulic Ram  . . . . . . . . . . . 262--262
                      Anonymous   New Amalgamator  . . . . . . . . . . . . 262--262
                      Anonymous   A Novel Candle . . . . . . . . . . . . . 262--262
                      Anonymous   Engineering Inventions . . . . . . . . . 262--262
                      Anonymous   Electric Jewelry . . . . . . . . . . . . 263--263
                      Anonymous   Palissy Plate  . . . . . . . . . . . . . 263--263
                      Anonymous   Miscellaneous Inventions . . . . . . . . 263--265
                      Anonymous   Baptismal Font . . . . . . . . . . . . . 265--267
                      Anonymous   Communications Received  . . . . . . . . 267--267

Scientific American
Volume 41, Number 18, November 1, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 276--276
                      Anonymous   Business and Personal  . . . . . . . . . 283--283
                      Anonymous   Books: New Books and Publications  . . . 283--283
                      Anonymous   Notes and Queries  . . . . . . . . . . . 283--284
                      Anonymous   Index of Inventions  . . . . . . . . . . 284--284
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 286--286
                      Anonymous   Protection from Lightning  . . . . . . . 272--272
                      Anonymous   Freezing in Fire . . . . . . . . . . . . 272--272
                      Anonymous   Effects of Heat in the Comstock Mines    272--273
                      Anonymous   Pushing an Iron Bridge Across a River    273--273
                      Anonymous   The Elevated Railway Extension. ---
                                  Details of Construction  . . . . . . . . 273--273
                      Anonymous   American Industries. --- No. 21  . . . . 273--274
                      Anonymous   The Blake Transmitter  . . . . . . . . . 274--274
                Geo. M. Hopkins   Modification of the Reynier and
                                  Werdermann Electric Lamp . . . . . . . . 274--274
                      Anonymous   Mechanical Inventions  . . . . . . . . . 274--274
                      Anonymous   A New Fish Way . . . . . . . . . . . . . 275--275
                      Anonymous   Miscellaneous Inventions . . . . . . . . 275--276
                  Judge Wheeler   Recent Decisions Relating to Patents,
                                  Trade Marks, Etc . . . . . . . . . . . . 277--277
                      Anonymous   New Motor and Meter  . . . . . . . . . . 278--278
                      Anonymous   Engineering Inventions . . . . . . . . . 278--278
                      Anonymous   A New Wrench . . . . . . . . . . . . . . 278--278
                Daniel C. Beard   The Great Sea Cow of Florida . . . . . . 279--280
                      Anonymous   Arrow Poisons  . . . . . . . . . . . . . 280--280
                      Anonymous   Arabesque Cabinet  . . . . . . . . . . . 281--282
                      Anonymous   Communications Received  . . . . . . . . 284--284

Scientific American
Volume 41, Number 19, November 8, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 292--293
                      Anonymous   Business and Personal  . . . . . . . . . 299--299
                      Anonymous   Books: New Books and Publications  . . . 299--299
                      Anonymous   Notes and Queries  . . . . . . . . . . . 299--300
                      Anonymous   Index of Inventions  . . . . . . . . . . 300--300
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 302--302
                      Anonymous   The Speed of Ice Yachts  . . . . . . . . 288--288
                      Anonymous   Some Reasons for American Success  . . . 288--288
                    H. C. Hovet   The Fisheries of the United States . . . 289--289
                      Anonymous   Coal Tipping Machines and Screens  . . . 290--290
                      Anonymous   Engineering Inventions . . . . . . . . . 291--291
                      Anonymous   Novel Barrel Hoop  . . . . . . . . . . . 291--291
                      Anonymous   New Wind Mill  . . . . . . . . . . . . . 291--291
                      Anonymous   Combined Corkscrew and Bottle Faucet . . 291--291
                      Anonymous   An Electric Lamp for an English Shilling 293--293
                  Th. A. Edison   On a Resonant Tuning Fork  . . . . . . . 293--293
                      Anonymous   Steak Pavement Rammer  . . . . . . . . . 294--294
                      Anonymous   A Mammoth Plow . . . . . . . . . . . . . 294--294
                      Anonymous   Miscellaneous Inventions . . . . . . . . 294--294
                      Anonymous   The Flying Fox . . . . . . . . . . . . . 295--295
                      Anonymous   American Industries. --- No. 22  . . . . 296--296
                      Anonymous   Agricultural Inventions  . . . . . . . . 296--297
                      Anonymous   Mechanical Inventions  . . . . . . . . . 297--297
                      Anonymous   Mysterious Clock . . . . . . . . . . . . 297--298
                      Anonymous   Communications Received  . . . . . . . . 300--300

Scientific American
Volume 41, Number 20, November 15, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 308--308
                      Anonymous   Business and Personal  . . . . . . . . . 315--315
                      Anonymous   Notes and Queries  . . . . . . . . . . . 315--315
                      Anonymous   Index of Inventions  . . . . . . . . . . 315--316
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 316--316
                      Anonymous   American Industries. --- No. 23  . . . . 303--303
                      Anonymous   Five Thousand Dollars Reward for the
                                  Invention of a Stock Car . . . . . . . . 304--304
                      Anonymous   Anti-Vaccination Folly . . . . . . . . . 304--304
                      Anonymous   The Future Water Supply of Philadelphia  304--305
              Charles A. Seeley   Edison's Electrical Generator  . . . . . 305--305
                      Anonymous   Blake's Sectional Cushioned Crusher  . . 306--306
                      Anonymous   Miscellaneous Inventions . . . . . . . . 306--306
                      Anonymous   Improved Sleeping-Car Berth  . . . . . . 307--307
                      Anonymous   New Perspective Drawing Apparatus  . . . 307--307
                      Anonymous   Mechanical Inventions  . . . . . . . . . 307--308
                      Anonymous   The Abuse of Live Stock on the Way to
                                  Market . . . . . . . . . . . . . . . . . 309--309
                      Anonymous   A Few Recent Inventions  . . . . . . . . 310--310
                      Anonymous   Cost and Traffic of the New York
                                  Elevated Railways  . . . . . . . . . . . 310--310
                      Anonymous   Roman Glassware  . . . . . . . . . . . . 311--312
                      Anonymous   Attraction . . . . . . . . . . . . . . . 312--312
                      Anonymous   The National Academy of Sciences . . . . 313--313
                      Anonymous   A Recent Study of Mexican Earthquakes    314--314
                      Anonymous   Communication Received . . . . . . . . . 315--315

Scientific American
Volume 41, Number 21, November 22, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 324--325
                      Anonymous   Business and Personal  . . . . . . . . . 331--331
                      Anonymous   Books: New Books and Publications  . . . 331--331
                      Anonymous   Notes and Queries  . . . . . . . . . . . 331--332
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 334--334
                      Anonymous   Friedmann's Ejector  . . . . . . . . . . 319--319
                      Anonymous   Incendiary Silk  . . . . . . . . . . . . 320--320
                      Anonymous   Oriental Sand and Mud Baths  . . . . . . 320--320
                      Anonymous   The National Academy . . . . . . . . . . 320--321
                      Anonymous   Boadmasters' Difficulties  . . . . . . . 321--321
                      Anonymous   The ``Conch Peael''  . . . . . . . . . . 321--321
                      Anonymous   Blast Engine . . . . . . . . . . . . . . 322--323
                      Anonymous   A New Device for Preventing Journals
                                  from Heating . . . . . . . . . . . . . . 323--323
                      Anonymous   Novel Steak Generator  . . . . . . . . . 323--323
                      Anonymous   Agricultural Inventions  . . . . . . . . 323--323
                      Anonymous   Mechanical Inventions  . . . . . . . . . 323--324
                      Anonymous   How to Work the New Copying Process  . . 325--325
                      Anonymous   Improved Cabinet Seat  . . . . . . . . . 325--325
                      Anonymous   Miscellaneous Intentions . . . . . . . . 325--326
                      Anonymous   The Cake of Tools  . . . . . . . . . . . 326--326
                      Anonymous   An Improved Spindle  . . . . . . . . . . 327--327
                      Anonymous   The Otter  . . . . . . . . . . . . . . . 327--327
                      Anonymous   New Barrel Lifter  . . . . . . . . . . . 327--327
                      Anonymous   Natural History Notes  . . . . . . . . . 328--330
                      Anonymous   Engineering Inventions . . . . . . . . . 330--330

Scientific American
Volume 41, Number 22, November 29, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 340--341
                      Anonymous   Business and Personal  . . . . . . . . . 347--347
                      Anonymous   Books: New Books and Publications  . . . 347--347
                      Anonymous   Notes and Queries  . . . . . . . . . . . 347--347
                      Anonymous   Index of Inventions  . . . . . . . . . . 347--347
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 350--350
                      Anonymous   The Holyoke Turbine Tests  . . . . . . . 336--336
                      Anonymous   Collisions at Sea  . . . . . . . . . . . 336--336
                      Anonymous   The American Public Health Association   336--337
                      Anonymous   The Use of Steel for Bridges . . . . . . 337--337
                      Anonymous   Edison's Electric Generator  . . . . . . 337--337
                      Anonymous   How Far Can We Hear with the Telephone?  337--337
                      Anonymous   A New Velocipede . . . . . . . . . . . . 338--338
                      Anonymous   New Foundation Plate for Elevated
                                  Railways . . . . . . . . . . . . . . . . 338--338
                      Anonymous   Miscellaneous Inventions . . . . . . . . 338--338
                      Anonymous   A New Sweeper  . . . . . . . . . . . . . 339--339
                      Anonymous   New Automatic Fire Lighter . . . . . . . 339--339
                      Anonymous   American Industries --- No. 24 . . . . . 340--340
                      Anonymous   Some Recent Inventions . . . . . . . . . 340--340
                      Anonymous   New Musical Instrument . . . . . . . . . 342--342
                      Anonymous   New Window Cleaning Chair  . . . . . . . 342--343
                      Anonymous   Tadpoles . . . . . . . . . . . . . . . . 343--343
                      Anonymous   House-Builder Moth . . . . . . . . . . . 343--345
                      Anonymous   Recent Decisions Relating to Patents,
                                  Trade Marks, Etc.  . . . . . . . . . . . 346--346
                      Anonymous   Mechanical Inventions  . . . . . . . . . 346--346

Scientific American
Volume 41, Number 23, December 6, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 360--360
                      Anonymous   Business and Personal  . . . . . . . . . 363--363
                      Anonymous   Books: New Books and Publications  . . . 363--363
                      Anonymous   Notes and Queries  . . . . . . . . . . . 363--364
                      Anonymous   Index of Inventions  . . . . . . . . . . 364--364
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 364--364
                      Anonymous   The Trade Mark Decision  . . . . . . . . 352--352
                      Anonymous   A Western Tow-Boat . . . . . . . . . . . 352--352
                      Anonymous   The Great Gas Well and Carbon Factory at
                                  Murraysville, PA . . . . . . . . . . . . 352--353
                      Anonymous   New York Academy of Sciences . . . . . . 353--353
                      Anonymous   The National Public Health Association   353--353
                      Anonymous   New Tramway Motor  . . . . . . . . . . . 353--353
             William J. Baldwin   Hints to the Young Steam Fitter  . . . . 355--356
                      Anonymous   American Industries --- No. 25 . . . . . 357--357
                      Anonymous   Miscellaneous Inventions . . . . . . . . 357--358
                      Anonymous   Artificial Haymaking . . . . . . . . . . 358--358
                      Anonymous   An Improved Screw Driver . . . . . . . . 358--358
                      Anonymous   Mechanical Inventions  . . . . . . . . . 358--358
                      Anonymous   The Ibex . . . . . . . . . . . . . . . . 359--359
                      Anonymous   Natural History Notes  . . . . . . . . . 359--360
                      Anonymous   Cross-Breeding Among Fish  . . . . . . . 360--360
                      Anonymous   The International Dairy Fair . . . . . . 360--360
                      Anonymous   Steam Towing on the Erie Canal . . . . . 360--360
                      Anonymous   Glass Tubing . . . . . . . . . . . . . . 361--361
                      Anonymous   Agricultural Inventions  . . . . . . . . 361--362
                      Anonymous   Communications Received  . . . . . . . . 364--364

Scientific American
Volume 41, Number 24, December 13, 1879

                      Anonymous   Correspondence . . . . . . . . . . . . . 380--381
                      Anonymous   Business and Personal  . . . . . . . . . 387--387
                      Anonymous   Books: New Books and Publications  . . . 387--387
                      Anonymous   Notes and Queries  . . . . . . . . . . . 387--388
                      Anonymous   Index of Inventions  . . . . . . . . . . 388--388
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 388--388
                      Anonymous   The \booktitleScientific American as an
                                  Educator of the Young  . . . . . . . . . 376--376
                      Anonymous   The Registration of Trade Marks  . . . . 376--376
                      Anonymous   How to Judge of Leather in Belts . . . . 376--377
                      Anonymous   The Year Product of Gold and Silver  . . 377--377
                      Anonymous   Steam Pilotage . . . . . . . . . . . . . 377--377
                      Anonymous   Chicle . . . . . . . . . . . . . . . . . 377--377
                      Anonymous   Inventions Wanted to Utilize Sawdust . . 377--377
                      Anonymous   The New Atlantic Cable . . . . . . . . . 377--377
                      Anonymous   Miscellaneous Inventions . . . . . . . . 378--378
                      Anonymous   New Candlestick  . . . . . . . . . . . . 378--378
                      Anonymous   New Horse Detacher . . . . . . . . . . . 378--379
                      Anonymous   The St. Louis Bridge . . . . . . . . . . 379--379
                      Anonymous   Improvement in Chain Pumps . . . . . . . 379--380
                      Anonymous   American Industries --- No. 25 . . . . . 380--380
                      Anonymous   Mechanical Inventions  . . . . . . . . . 381--381
                      Anonymous   Novel Traction Engine  . . . . . . . . . 382--382
                      Anonymous   Improved Oil Cabinet . . . . . . . . . . 382--382
                      Anonymous   A Singular Habit of the Woodcock . . . . 383--383
                      Anonymous   Natural History Notes  . . . . . . . . . 383--384
                      Anonymous   Recent Decisions Relating to Patents,
                                  Trade Marks, Etc . . . . . . . . . . . . 384--384
                      Anonymous   Platt's Tracing Apparatus  . . . . . . . 385--385
                      Anonymous   Ancient Glassware  . . . . . . . . . . . 385--385
                      Anonymous   Measuring Resistances  . . . . . . . . . 385--386
                      Anonymous   Communications Received  . . . . . . . . 388--388

Scientific American
Volume 41, Number 25, December 20, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 403--403
                      Anonymous   Books: New Books and Publications  . . . 403--403
                      Anonymous   Notes and Queries  . . . . . . . . . . . 403--403
                      Anonymous   Index of Inventions  . . . . . . . . . . 404--404
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 404--404
                      Anonymous   Science as Applied to Tanning  . . . . . 392--392
                      Anonymous   The Great Chanoine Dam at Pittsburg  . . 392--393
                      Anonymous   The Angamar Steam Passenger Car  . . . . 393--393
                      Anonymous   A New Plan for Heating Horse Cars  . . . 393--393
                      Anonymous   A Hot Water River  . . . . . . . . . . . 393--393
                      Anonymous   New York Academy of Sciences . . . . . . 393--394
                      Anonymous   The Steam Pilot Boat Hercules  . . . . . 394--394
                      Anonymous   Novel Treadle Motion . . . . . . . . . . 394--394
                      Anonymous   Miscellaneous Inventions . . . . . . . . 394--394
                      Anonymous   New Projectile . . . . . . . . . . . . . 395--395
                      Anonymous   Electrical Signaling Instrument  . . . . 395--395
                      Anonymous   Improved Hose Nozzle . . . . . . . . . . 395--395
                      Anonymous   American Industries --- No. 26 . . . . . 396--396
                      Anonymous   Agricultural Inventions  . . . . . . . . 396--397
             Henry A. Mott, Jr.   A Fungoid Geowth --- The Cause of
                                  Whooping Cough . . . . . . . . . . . . . 397--397
                      Anonymous   Pruning and Grafting Implement . . . . . 398--398
                      Anonymous   Improved Hardening Tongs . . . . . . . . 398--398
                      Anonymous   Tying-in Machine . . . . . . . . . . . . 398--398
                      Anonymous   Mechanical Inventions  . . . . . . . . . 398--399
                      Anonymous   New Egg Holder . . . . . . . . . . . . . 399--399
                      Anonymous   The Gila Monster . . . . . . . . . . . . 399--401
                      Anonymous   Engineering Inventions . . . . . . . . . 401--402
                      Anonymous   Communications Received  . . . . . . . . 403--403

Scientific American
Volume 41, Number 26, December 27, 1879

                      Anonymous   Business and Personal  . . . . . . . . . 417--417
                      Anonymous   Notes and Queries  . . . . . . . . . . . 417--418
                      Anonymous   Index of Inventions  . . . . . . . . . . 418--418
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 418--418
                      Anonymous   A Year's Progress  . . . . . . . . . . . 408--408
                      Anonymous   Strength, Weight, and Fineness of Woven
                                  Fabrics  . . . . . . . . . . . . . . . . 408--408
                      Anonymous   Erastus Brigham Bigelow  . . . . . . . . 409--409
                      Anonymous   Remarkable Fly Wheel Explosion . . . . . 409--409
                      Anonymous   The \booktitleScientific American for
                                  1880 . . . . . . . . . . . . . . . . . . 409--409
                      Anonymous   The Future of Africa . . . . . . . . . . 409--409
                      Anonymous   Stamps for Trade Marks . . . . . . . . . 409--410
                      Anonymous   The Duplex Air Compressor  . . . . . . . 410--410
                      Anonymous   A New Telephone  . . . . . . . . . . . . 410--410
                      Anonymous   Miscellaneous Inventions . . . . . . . . 410--411
                      Anonymous   The Climax Safety Hammerless Gun . . . . 411--411
                      Anonymous   Agricultural Inventions  . . . . . . . . 412--412
                      Anonymous   Boat-Lowering and Detaching Apparatus    412--412
                      Anonymous   American Industries --- No. 27 . . . . . 413--413
                      Anonymous   Mechanical Inventions  . . . . . . . . . 413--414
                      Anonymous   New Car Step . . . . . . . . . . . . . . 414--414
                      Anonymous   New Stone-Dressing Tool  . . . . . . . . 414--415
                Daniel C. Beard   The Sea Serpent Accounted for  . . . . . 415--416