Last update:
Wed Sep 26 08:28:27 MDT 2018
Reginald A. Fessenden Back of Frontispiece . . . . . . . . . . 7--7
Yosemite's Winter Finery Frontispiece . . . . . . . . . . . . . . 8--9
C. F. Kettering Research: Research Made Your Motor Car 9--12
Anonymous Editorials: Our Point of View . . . . . 13--13
Anonymous \booktitleScientific American Digest: a
``Ferris Wheel'' Car Parking Machine,
Giant Hog Was Big as Auto, and more . . 64--69
Alexander Klemin Learning to Use Our Wings: a New
Boundary Light, The Problem of
Air-sickness, and more . . . . . . . . . 70--73
Anonymous Chemistry in Industry: New Method of
Curing Concrete Supersedes Usual Straw
Covering, Humidity Effects Motor
Performance, and more . . . . . . . . . 74--76
Morris Fishbein Medical Science: The Composition of
Cigaret and Cigaret Smoke, The Lens of
the Eye, and more . . . . . . . . . . . 77--78
Anonymous Current Bulletin Briefs . . . . . . . . 80--80
Henry Norris Russell The Heavens in January . . . . . . . . . 84--84
Anonymous Chemistry in Industry: Chemical Jingles,
We Pay for Ashes, and more . . . . . . . 85--88
Anonymous Learning to Use Our Wings: Beryllium for
Aircraft . . . . . . . . . . . . . . . . 89--89
Anonymous Commercial Property News: ``Eskimo Pie''
Patent Held Invalid, Motion to Dismiss
With Prejudice Denied, and more . . . . 92--95
Anonymous Looking Ahead With the Editor . . . . . 5--5
C. F. Kettering Among Our Contributors . . . . . . . . . 5--6
Donald A. Laird Air . . . . . . . . . . . . . . . . . . 14--16
George Barton French Hearing Without Ears . . . . . . . . . . 17--17
William F. Sturm Developments Born of the Speedway . . . 18--21
Ida Treat When Reindeer Roamed the Pyrénées --- II 22--25
Henry Norris Russell Hunting Pocket Planets . . . . . . . . . 26--27
Anonymous An American Front-End-Drive Car . . . . 28--29
Reginald M. Cleveland The Truth About Aviation Stocks . . . . 30--31
Anonymous Giant Trailers Protect Pavements . . . . 32--32
Anonymous ``Fingerprinting'' Autos . . . . . . . . 33--33
Kit McKenzie Bridging the Grand Canyon . . . . . . . 34--35
Roswell H. Ward The Airplane Diesel in 1940 . . . . . . 36--38
Albert A. Hopkins Sea-Safety Contest Winners . . . . . . . 39--41
Aristid V. Grosse The Rarest Metal Yet Obtained . . . . . 42--44
Anonymous Light Airplane Design Contest Winners 45--45
H. F. Olmsted How Well Does the Car Stand Up? . . . . 46--47
Henry W. Hough Mass Production in Agriculture . . . . . 48--50
Anonymous Fuzed Quartz for Ultra-violet Rays . . . 51--51
F. D. McHugh Your 1930 Car . . . . . . . . . . . . . 52--55
A. E. Cripps Four Cables: 106,000 Miles of Wire . . . 56--58
Anonymous Expediting Truck Deliveries . . . . . . 59--59
Graham Edgar Defeating the Gasoline Knock . . . . . . 60--61
David Spence Hill A Memory Trick . . . . . . . . . . . . . 62--62
Anonymous With the Historians of Science . . . . . 63--63
Anonymous The Amateur Astronomer . . . . . . . . . 82--84
James P. Rigby Back of Frontispiece . . . . . . . . . . 103--103
Anonymous Frontispiece: Growth of the Highway . . 104--104
Anonymous Editorials: Our Point of View . . . . . 108--109
Anonymous \booktitleScientific American Digest:
Exceptional Mastodon Bones Found, Holes
in Submarines Patched Under Water, and
more . . . . . . . . . . . . . . . . . . 146--149
Alexander Klemin Learning to Use Our Wings: Junkers
``G-38'', Progress of the Year, and more 150--153
Anonymous Current Bulletin Briefs . . . . . . . . 154--155
Anonymous Chemistry in Industry: New Baking Powder
Leaves no Traces in Bread, Removing
Calcium Sulfate Deposits from Pipes, and
more . . . . . . . . . . . . . . . . . . 156--157
Morris Fishbein Medical Science: Carbon-Arc or Quartz
Mercury-vapor Lights, The American Diet,
and more . . . . . . . . . . . . . . . . 158--159
Henry Norris Russell The Heavens in February . . . . . . . . 162--162
Anonymous Chemistry in Industry: Ultra-violet Rays
Said to Improve Flour, ``All the Gold in
the World'' is not so Much, and more . . 163--165
Anonymous Learning to Use Our Wings: ``This
Aviation Business'' . . . . . . . . . . 166--170
Anonymous Commercial Property News: ``Trademark
Specialists'' Repudiated, Rejection of
Claims Due to Delayed Application, and
more . . . . . . . . . . . . . . . . . . 171--175
Anonymous Looking Ahead with the Editor . . . . . 101--101
Alfred C. Lane Among Our Contributors . . . . . . . . . 101--101
E. M. Herr American Ships and American Prosperity 105--107
Alfred C. Lane How Old is the Earth? . . . . . . . . . 110--113
Calvin P. Stone Rats . . . . . . . . . . . . . . . . . . 114--115
Henry Norris Russell The Radio and the Spectroscope . . . . . 116--117
A. E. Holden Quarrying Marble, the Token of Eternity 118--120
Anonymous Sea Safety Inventors Receive Their
Reward . . . . . . . . . . . . . . . . . 121--121
F. D. McHugh The Detroit River is Spanned . . . . . . 122--123
Martin Meyer A Modern Inferno . . . . . . . . . . . . 124--126
Anonymous Army Flier Secures Record Photograph . . 127--127
Anonymous Painting with Light in Barcelona . . . . 128--129
Anonymous The Winning Design in Our Light-Plane
Contest . . . . . . . . . . . . . . . . 130--131
Irwin Hayden The Last Stand of the Nevada Pueblos . . 132--134
Albert A. Hopkins Opera Comes into its Own . . . . . . . . 135--137
Douglas W. Clephane The Business Executive Takes to the Air 138--140
F. M. Jaeger A Big Practical Problem for Science . . 141--145
Anonymous The Amateur Astronomer . . . . . . . . . 160--162
Prince Louis-Victor Debroglie Back of Frontispiece . . . . . . . . . . 183--183
Anonymous Frontispiece: Submarine Cables and Area
of Recent Earthquake . . . . . . . . . . 184--184
Anonymous Editorials: Our Point of View . . . . . 188--189
Anonymous \booktitleScientific American Digest:
Bottle Drifts 7000 Miles, Rapid Lumber
Growth Due to Selective Logging, and
more . . . . . . . . . . . . . . . . . . 228--231
Alexander Klemin Learning to Use Our Wings: The Safe
Aircraft Competition, The Sun Compass,
and more . . . . . . . . . . . . . . . . 232--234
Anonymous Current Bulletin Briefs . . . . . . . . 235--235
Anonymous Chemistry in Industry: New Process
Enables Metal Coating to be Sprayed on
Anything, Simple Device Measures
Explosive Gas in Mines, and more . . . . 236--237
Morris Fishbein Medical Science: The Cause of Influenza,
Irradiated Cereals, and more . . . . . . 238--240
Henry Norris Russell The Heavens in March . . . . . . . . . . 244--244
Anonymous Commercial Property News: Rights to
Fruit Spray Removal Process Contested,
Copyright Denied Because of Disclosure
in Patent, and more . . . . . . . . . . 252--255
Anonymous Looking Ahead With the Editor . . . . . 178--178
H. Barjot Among Our Contributors . . . . . . . . . 178--178
G. H. Dacy 400 Miles an Hour? . . . . . . . . . . . 185--187
Albert A. Hopkins A Newspaper in the Making . . . . . . . 190--193
Milton Wright Cameras, Airplanes, and a New Industry 194--195
H. Barjot Power from the Heat of Arctic Waters . . 196--198
Anonymous High-Speed Tickers to Serve Brokers . . 199--199
Donald A. Laird Our Eyes and the Movies . . . . . . . . 200--201
Martin Meyer The Romance of Steel . . . . . . . . . . 202--204
R. W. Wood An Experiment in Suspended Gravitation 205--205
Anonymous An Archeologist-Detective at Work . . . 206--208
Anonymous Submarine Safety Advances . . . . . . . 209--209
Hamilton M. Wright Faster Airmail Terminal Service . . . . 210--211
Henry Norris Russell What's in the Sun? . . . . . . . . . . . 212--213
Carl G. Hartman How Large is the Human Egg? . . . . . . 214--215
Harvey Klemmer Detroit Digs Under to Canada . . . . . . 216--218
Anonymous Automatic Word Writing . . . . . . . . . 219--219
Henry W. Hough Refining Metals by Electrolysis . . . . 220--222
Anonymous Diet Causes Fatigue . . . . . . . . . . 223--223
Peter V. Karpovich Swimming Speed Analyzed . . . . . . . . 224--225
Earl S. Johnston The Plant's Whimsical Appetite . . . . . 226--227
Anonymous The Amateur Astronomer . . . . . . . . . 242--244
Arthur Jeffrey Dempster Back of Frontispiece . . . . . . . . . . 263--263
Anonymous Frontispiece: America's Foremost
Physical Laboratory . . . . . . . . . . 264--264
Anonymous Editorials: Our Point of View . . . . . 269--269
Anonymous \booktitleScientific American Digest:
Sinking a ``Mine'' Under New York City,
``Spider Threads'' of Glass, and more 306--309
Alexander Klemin Learning to Use Our Wings: The Junkers
Diesel, An Interesting Ski, and more . . 310--312
Anonymous Chemistry in Industry: Gas Industry
by-Product Aids Agriculture, Gas and
Holder of Blimp Both Chemical Products,
and more . . . . . . . . . . . . . . . . 314--316
Anonymous Current Bulletin Briefs . . . . . . . . 318--318
Morris Fishbein Medical Science: Carbon Monoxide
Poisoning, Dislocations of the Neck, and
more . . . . . . . . . . . . . . . . . . 320--321
Henry Norris Russell The Heavens in April . . . . . . . . . . 324--324
Anonymous Chemistry in Industry: Concrete Without
Sand or Stone, Minute Impurity Explains
Riddle of Photographic Film . . . . . . 326--327
Anonymous Commercial Property News: Trademarks in
Latin-America, Temperature Indicating
Device Patent Sustained, and more . . . 332--335
Anonymous Looking Ahead With the Editor . . . . . 261--261
Anonymous Among Our Contributors . . . . . . . . . 261--261
F. D. McHugh Manhattan's Mightiest ``Minaret'' . . . 265--268
Theo. Krysto Can the World Banish Malaria? . . . . . 270--272
Hamilton M. Wright Cuba Builds a Model Highway . . . . . . 273--273
Henry Norris Russell The Two April Eclipses . . . . . . . . . 274--275
Charles F. A. Mann Land Reclamation by Silting . . . . . . 276--277
Roy L. Moodie What Mummies Reveal . . . . . . . . . . 278--280
Anonymous New Airplane View of Mount Wilson
Observatory . . . . . . . . . . . . . . 281--281
Herbert E. Steinberg A New Departure in Bridge Building . . . 282--284
A. P. Peck Movies Take on Color . . . . . . . . . . 285--285
Albert A. Hopkins Policemen are Made, not Born . . . . . . 286--290
Francis X. Milholland 'Round a Round House . . . . . . . . . . 291--292
Robert E. Goode Take Your Camera into the Air . . . . . 293--295
Henry W. Hough Mining Coal With Mammoth Shovels . . . . 296--298
Anonymous Unbreakable Movie Film . . . . . . . . . 299--299
M. Luckiesh Substituting for Sunlight . . . . . . . 300--301
Anonymous A Friendly Museum . . . . . . . . . . . 302--303
James A. Tobey Some Famous Centenarians . . . . . . . . 304--305
Anonymous The Amateur Astronomer . . . . . . . . . 322--324
Anonymous Back of Frontispiece: Walter Franklin
Prince . . . . . . . . . . . . . . . . . 343--343
Anonymous Frontispiece: Admiral Byrd's Antarctic
Expedition --- Its Accomplishments . . . 344--344
Anonymous Editorials: Our Point of View . . . . . 349--349
Alexander Klemin Learning to Use Our Wings: a Mail Order
Airplane, Air Commerce in 1930, and more 388--391
Anonymous \booktitleScientific American Digest:
Hudson River Bridge Approach, German
Locomotive has 1700-Pound Pressure, and
more . . . . . . . . . . . . . . . . . . 392--394
Morris Fishbein Medical Science: ``Parrot Disease'',
Cancer, and more . . . . . . . . . . . . 395--395
Anonymous Chemistry in Industry: Spray Drying of
Latex Revolutionizes Rubber Manufacture,
Roast Beef in a Salt Shaker, and more 396--397
Anonymous Current Bulletin Briefs . . . . . . . . 398--399
Henry Norris Russell The Heavens in May . . . . . . . . . . . 406--408
Anonymous Chemistry in Industry: Chemicals do not
Fool Chickens . . . . . . . . . . . . . 408--409
Anonymous Commercial Property News: American
Corporations in Mexico, Patents and
Taxes, and more . . . . . . . . . . . . 412--415
Anonymous Looking Ahead With the Editor . . . . . 341--341
Clarence M. Young Among Our Contributors . . . . . . . . . 341--342
Clarence M. Young What is a Good Flying School? . . . . . 345--348
Henry Norris Russell Revising Our Air and Our Water . . . . . 350--351
H. B. Miller When You Buy Your Plane . . . . . . . . 352--354
Anonymous Florida's Lusty Infant Industry . . . . 355--355
Anonymous Voices Across the Sea . . . . . . . . . 356--357
P. G. Johnson An Air-transport Operator Speaks . . . . 358--359
Frank H. Kneeland Blasting Coal Without Explosives . . . . 360--361
W. D. Puleston The Cultured Naval Officer . . . . . . . 362--364
Anonymous Canada's Peerless Playground . . . . . . 365--365
Anonymous The Successful Airplane Diesel . . . . . 366--368
H. J. Cooper Advice to Students of Aviation . . . . . 369--369
H. B. Miller Stunting for Safety . . . . . . . . . . 370--372
Thomas W. Farnsworth Midget Marine Motors . . . . . . . . . . 373--375
William H. Crew Michelson . . . . . . . . . . . . . . . 376--378
Anonymous The Aerial Ferry Arrives . . . . . . . . 379--379
Anonymous Our Air Analyzed . . . . . . . . . . . . 380--381
William F. Sturm A Diesel Drives an Automobile . . . . . 382--383
G. H. Dacy Edison's Rubber . . . . . . . . . . . . 384--385
J. Reid Moir ``How do they Know?'' . . . . . . . . . 386--387
Anonymous The Amateur Astronomer . . . . . . . . . 400--403
Ernest Rutherford Back of Frontispiece . . . . . . . . . . 423--423
Anonymous Frontispiece: Great Britain's Foremost
Physical Laboratory . . . . . . . . . . 424--424
Anonymous Editorials: Our Point of View . . . . . 429--429
Anonymous \booktitleScientific American Digest:
Individual Hothouses for Plants, General
Electric's Foreign Interests Gain, and
more . . . . . . . . . . . . . . . . . . 466--469
Alexander Klemin Learning to Use Our Wings: Experiments
in Fog Flying, Plumbing and Heating in
the Air, and more . . . . . . . . . . . 470--472
Anonymous Chemistry in Industry: Dead Sea Becomes
Center of Live Industry, Automatic
Control of Gasoline Plant, and more . . 473--474
Morris Fishbein Medical Science: The Care of the
Crippled, First-Aid for Motorists, and
more . . . . . . . . . . . . . . . . . . 476--476
Anonymous Current Bulletin Briefs . . . . . . . . 478--478
Henry Norris Russell The Heavens in June . . . . . . . . . . 482--482
Anonymous Chemistry in Industry: Beware of Noisy
Grapefruit, Human Chemist Can't Compete
with Art of Lowly Bug, and more . . . . 483--484
Anonymous Commercial Property News: Rules on
Patent Appeals Amended, Patents for
Plants, and more . . . . . . . . . . . . 490--493
Anonymous Index to Volume 142, January--June, 1930 494--495
Anonymous Looking Ahead with the Editor . . . . . 421--421
Anonymous Among Our Contributors . . . . . . . . . 421--421
Albert A. Hopkins Aluminum and its `Hard-Boiled' Alloys 425--428
J. G. Crowther Super Magnetic Fields . . . . . . . . . 430--431
Charles W. Geiger and
Ruth Sabichi From Coco Palms to Coconut Oil . . . . . 432--434
Anonymous Birds of a Bleak Arctic Island . . . . . 435--435
Henry Norris Russell Fragmentary Molecules of the Sun . . . . 436--438
Anonymous Beautiful Bridges On New Rail Line . . . 439--439
Anonymous Sinanthropus, the Peking Man . . . . . . 440--441
Anonymous Coney Island's Museum . . . . . . . . . 442--443
W. D. Puleston Midshipmen at `Landlubber' Colleges . . 444--447
Josef W. von Stein Linemen of the Sea . . . . . . . . . . . 448--450
Anonymous Speed Queen Stashes Sister's Record . . 451--451
Paul R. Heyl Is There an Ether? . . . . . . . . . . . 452--453
Edward S. Evans Better Days for Aviation . . . . . . . . 454--456
Anonymous Tangled Commerce Abides Where Children
Smoke and Swim . . . . . . . . . . . . . 457--457
F. B. Freeman Moving a Substation Underground . . . . 458--459
Thomas T. Read Warted by Satan . . . . . . . . . . . . 460--462
Anonymous From the Archeologists' Note Book . . . 463--463
Anonymous Light Furnishes Ballroom Decorations . . 464--465
Anonymous The Amateur Astronomer . . . . . . . . . 480--482
C. J. Davisson and
L. H. Germer Back of Frontispiece . . . . . . . . . . 7--7
Anonymous Frontispiece: Clearing the Interior of a
Pyramid . . . . . . . . . . . . . . . . 8--8
Anonymous Editorials: Our Point of View . . . . . 16--16
F. D. McHugh \booktitleScientific American Digest:
Direct-Reading Light Intensity Meter,
Fireproof Houses in France, and more . . 54--65
Anonymous Current Bulletin Briefs . . . . . . . . 68--69
Anonymous Commercial Property News: Secrecy of
War-Time Inventions, Standardized
Bottles, and more . . . . . . . . . . . 75--79
Anonymous Looking Ahead With the Editor . . . . . 5--5
Anonymous Among Our Contributors . . . . . . . . . 5--5
Cornelia H. Dam Exploring the Meydum Pyramid Site . . . 9--12
Anonymous Researches in Fog . . . . . . . . . . . 13--13
Charles L. Lawrance Flying Clubs for Private Fliers . . . . 14--15
Anonymous Results of the Naval Conference . . . . 17--17
Walter E. Burton Beautiful Roadsides . . . . . . . . . . 18--19
Henry Norris Russell Planet X . . . . . . . . . . . . . . . . 20--22
Anonymous Light Counts Cars on Bridge . . . . . . 23--23
F. D. McHugh Water Runs from Marathon to Athens . . . 24--25
Harold Crary The Pilot 'Phones His Airport Via Radio 26--27
Anonymous A World in Miniature . . . . . . . . . . 28--29
George W. Crile and
Marie Telkes and
Amy F. Rowland The Physical Nature of Death . . . . . . 30--32
Anonymous Shipping Newsprint Paper in Safety . . . 33--33
M. R. Harrington The Mystery of Gypsum Cave . . . . . . . 34--36
Anonymous A ``Flying'' Outboard Motor Boat . . . . 37--37
George P. Thomson Waves and Particles . . . . . . . . . . 38--41
Charles W. Geiger An Immigrant Plant Proving Ground . . . 42--44
Anonymous A Clearing House for Inventions . . . . 45--47
Anonymous America's Cradle of Natural Science . . 47--47
Albert A. Hopkins Chicago Gets a New Jail . . . . . . . . 48--49
A. Hyatt Verrill America's First International Highway 50--51
F. K. Richtmyer The Difference Between Tweedle-Dum and
Tweedle-Dee . . . . . . . . . . . . . . 52--53
Anonymous The Amateur Astronomer . . . . . . . . . 66--67
Anonymous Across the Editor's Desk . . . . . . . . 85--85
Austin H. Clark Back of Frontispiece . . . . . . . . . . 87--87
Halvor L. Skavlem Frontispiece . . . . . . . . . . . . . . 88--88
Anonymous Editorials: Our Point of View . . . . . 93--93
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Movie Camera as an Aid in Testing, Fire
War on Pests, and more . . . . . . . . . 136--149
Anonymous Current Bulletin Briefs . . . . . . . . 152--152
Anonymous Commercial Property News: Attorney's
Delay Unavoidable, Plan to Include
Patents in War Settlement Favored, and
more . . . . . . . . . . . . . . . . . . 156--159
Charles W. Geiger and
Wallace Hutchinson Fire: the Enemy of Our Forests . . . . . 89--92
Frank Heitzler Photography Identifies Gems by their
Flaws . . . . . . . . . . . . . . . . . 94--95
Henry J. Tomlinson Walking on Water . . . . . . . . . . . . 96--97
W. W. Horner St. Louis Buries a River . . . . . . . . 98--102
Anonymous Accuracy in `Talkie' Equipment . . . . . 103--103
Austin H. Clark Zoogenesis . . . . . . . . . . . . . . . 104--107
Anonymous Dining in a Refrigerator! . . . . . . . 108--109
A. Hyatt Verrill Built of Mud . . . . . . . . . . . . . . 110--111
William K. Gregory Basic Patents in Evolution --- I . . . . 112--113
Henry Norris Russell The ``Green Flash'' and Other Odd
Phenomena . . . . . . . . . . . . . . . 114--116
Anonymous Film Yourself for a Quarter . . . . . . 117--117
Martin Meyer Perfume . . . . . . . . . . . . . . . . 118--119
W. D. Puleston The Eight-Inch Gun Cruiser . . . . . . . 120--122
Leon J. Israelovitch A Home Made Microscope for the Amateur 123--123
Donald A. Laird Work and Fatigue . . . . . . . . . . . . 124--126
Anonymous Rome's Slums Reveal Imperial Ruins . . . 127--127
William Alphonso Murrill The Imperious Sycamore . . . . . . . . . 128--129
M. Bishop Alexander Vegetables that Defeat Goiter . . . . . 130--131
Grace Lockhart Mechanical Silkworms . . . . . . . . . . 132--133
Hendrik DeLeeuw `Panama' Hats From the Pacific . . . . . 134--135
Albert G. Ingalls The Amateur Astronomer . . . . . . . . . 150--151
Anonymous Across the Editor's Desk . . . . . . . . 165--165
Frank B. Jewett Back of Frontispiece . . . . . . . . . . 167--167
Anonymous Frontispiece: The Vanguard of Progress 168--168
Francis X. Milholland Railroad Transportation: Railroading
Today --- Construction and Maintenance 169--173
Anonymous Editorials: Our Point of View . . . . . 175--175
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Suspended Observation Car, Door Opens
Automatically When Approached, and more 212--228
Anonymous Current Bulletin Briefs . . . . . . . . 229--230
Anonymous Commercial Property News: Similar Food
Trademarks Allowed, Concrete Mixer May
Be Beautiful, and more . . . . . . . . . 234--239
Anonymous The Harriman Medals for Rail Safety . . 174--174
T. A. Jaggar Volcanology . . . . . . . . . . . . . . 176--179
Henry Norris Russell Why Stars Twinkle . . . . . . . . . . . 180--181
Herbert L. Stone The America's Cup Defenders . . . . . . 182--184
Anonymous Crash-Testing Tires at High Speed . . . 185--185
Orson D. Munn Our Patent System . . . . . . . . . . . 186--187
G. Elliot Smith More About the Peking Man . . . . . . . 188--190
Hendley N. Blackmon Arcs of Art . . . . . . . . . . . . . . 191--191
W. D. Matthew The Pattern of Evolution . . . . . . . . 192--196
Albert A. Hopkins Modern Rehabilitation of the Cripple . . 197--199
William K. Gregory Basic Patents in Evolution --- II . . . 200--202
Anonymous A Fish Factory at Sea . . . . . . . . . 203--203
William F. Sturm Racing Cars of 1930 . . . . . . . . . . 204--206
Anonymous Mooring Dirigibles Mechanically . . . . 207--209
Anonymous Chicago's Underground Freight System . . 210--211
Anonymous Across the Editor's Desk . . . . . . . . 242--242
S. A. Mitchell Back of Frontispiece: S. A. Mitchell . . 247--247
Anonymous Frontispiece: The Sixty-inch Telescope 248--248
Anonymous Editorials: Our Point of View . . . . . 253--253
Anonymous \booktitleScientific American Digest:
Index Globe for Study of Geography,
Hudson River Bridge Cables Completed,
and more . . . . . . . . . . . . . . . . 308--331
Anonymous Commercial Property News: Commercial
Property New . . . . . . . . . . . . . . 332--335
David B. Pickering One Touch of Nature . . . . . . . . . . 249--252
Otis Barton A 1400-foot Dive . . . . . . . . . . . . 254--255
Russell.W Porter Moonscapes . . . . . . . . . . . . . . . 256--257
John Donald Thompson Housekeeping Aboard a Battleship . . . . 258--260
Anonymous Stone From Hot Mineral Springs . . . . . 261--261
John Thomson Can We Signal to the Planets? . . . . . 262--264
Stanley F. Gorman Scientific Criminology . . . . . . . . . 265--267
Clyde W. Tombaugh My Experience in Amateur Telescope
Making . . . . . . . . . . . . . . . . . 268--269
Frank E. Lutz Experiments With ``Wonder Creatures'' 270--273
Anonymous The Largest American-Made Telescope
Mirror . . . . . . . . . . . . . . . . . 274--275
Charles F. A. Mann The Development of the Columbia River 276--278
Anonymous A Reclining Chair Night Coach . . . . . 279--279
Henry Norris Russell Measuring the Distance to the Stars . . 280--282
Anonymous Marsh Delta Lands Become Rich Farms . . 283--283
G. M. Barnes Our Army's New Super-Weapon . . . . . . 284--285
William K. Gregory Basic Patents in Evolution --- III . . . 286--288
Anonymous Ctesiphon, a Magnificent Fragment . . . 289--289
F. G. Pease The New Fifty-foot Stellar
Interferometer . . . . . . . . . . . . . 290--293
Anderson G. Orb The Juvenile Aircraft Industry . . . . . 294--296
Anonymous The Penalty of Carelessness . . . . . . 297--297
J. K. Novins The Reviving Liquid-Metal Industry . . . 298--300
H. H. Mitchell Prohibition and the Physiological
Effects of Alcohol . . . . . . . . . . . 301--303
A. J. Kendrick Recorded Radio Programs . . . . . . . . 304--305
J. Reid Moir Flint Implements Great and Small . . . . 306--307
Anonymous Across the Editor's Desk . . . . . . . . 341--341
Andrew Wells Robertson Back of Frontispiece . . . . . . . . . . 343--343
Anonymous Frontispiece: The Cork Oak Gives Up its
Valuable Outer Bark . . . . . . . . . . 344--344
Anonymous Editorials: Our Point of View . . . . . 349--349
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. and
Morris Fishbein \booktitleScientific American Digest:
Now You Can Buy Insects for 10 Dollars a
Million, New Photo Flash Lamp, and more 388--408
Anonymous Current Bulletin Briefs . . . . . . . . 408--411
Anonymous Commercial Property News: Better Mailing
Container Sought, ``U.S.'' Endorsement
is Falsely Claimed, and more . . . . . . 412--415
Burton Davis The Tree Bark of a Hundred Uses . . . . 345--348
Jerome D. Van Brakle Radio Charts the Upper Air . . . . . . . 350--351
Henry W. Hough A Gallon of `Gas' from a Gallon of Oil 352--354
Anonymous The Stage Goes ``Air-Minded'' . . . . . 355--355
G. Austin Schroter Earthquakes . . . . . . . . . . . . . . 356--359
Francis H. Shepard Railroad Electrification . . . . . . . . 360--362
G. Elliot Smith Another Peking Skull Discovered . . . . 363--363
Henry Norris Russell How Pluto's Orbit was Figured Out . . . 364--365
A. Dinsdale Television Needs New Ideas --- and Less
Ballyhoo . . . . . . . . . . . . . . . . 366--368
Anonymous Glass Tubing by The Mile . . . . . . . . 369--369
Hugo L. Rusch How Many Minutes of Play in the Average
Football Game? . . . . . . . . . . . . . 370--372
David Riesman The Story of Glozel --- a Chapter in
Credulity . . . . . . . . . . . . . . . 373--377
Ernest W. Steel By-Products from Industrial Wastes . . . 378--379
Anonymous The Young Giant: Natural Gas Fuel . . . 380--383
Anonymous The Sick May Ride in Pullmans . . . . . 383--383
Raymond Francis Yates The Technician Talks About the Talkies 384--385
Ray P. Holland, Jr. Birds Have Natural Slotted Wings . . . . 386--388
Anonymous Across the Editor's Desk . . . . . . . . 418--418
Anonymous Back of Frontispiece . . . . . . . . . . 423--423
Anonymous Frontispiece: New ``Ears'' for French
Anti-aircraft Gunners . . . . . . . . . 424--424
Anonymous Editorials: Our Point of View . . . . . 429--429
Anonymous Archeology: Archeology Enters The Stamp
World . . . . . . . . . . . . . . . . . 439--439
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. and
Morris Fishbein \booktitleScientific American Digest:
Huge Lodestone Specimen, Einstein,
Living Immortal, and more . . . . . . . 466--484
Anonymous Current Bulletin Briefs . . . . . . . . 485--485
Sylvester J. Liddy Commercial Property News: Chemical
Patent Dedicated to Public Involved in
Suit, Unused Mark Denied Registration,
and more . . . . . . . . . . . . . . . . 492--493
Anonymous Index to Volume 143, July--December,
1930 . . . . . . . . . . . . . . . . . . 494--495
William H. Adolph A 4000-Year Food Experiment . . . . . . 425--428
William C. Ocker Instrument Flying to Combat Fog . . . . 430--432
Anonymous Elevated Highway to Speed Traffic . . . 433--433
Sir William Bragg X-Ray Fingers Feel Out the Atomic
Structure of Matter . . . . . . . . . . 434--435
Anonymous A Fact-Finding Factory . . . . . . . . . 436--438
Paul R. Heyl What is a Quantum? . . . . . . . . . . . 440--442
John Donald Thompson Feeding the Crew of a Battleship . . . . 443--445
Henry Norris Russell More About Pluto . . . . . . . . . . . . 446--447
C. L. Roberts Oil From Below the Ocean Floor . . . . . 448--450
Anonymous Factory Wastes Turned To Profits . . . . 451--451
R. W. Wood Scattered Light and the Raman Effect . . 452--454
Nell Ray Clarke An Atom of Lutecium . . . . . . . . . . 455--455
Stanley F. Gorman Scientific Criminology --- The Pistol
Witness . . . . . . . . . . . . . . . . 456--457
Henry W. Hough When Crude Oil Crosses The Seas . . . . 458--459
C. W. Geiger Traveling Home for 'Phone Linemen . . . 460--461
Alexander Klemin Aviation in 1930 . . . . . . . . . . . . 462--465
Anonymous Across the Editor's Desk . . . . . . . . 5--6
T. H. Morgan Back of Frontispiece . . . . . . . . . . 7--7
Anonymous Frontispiece: The ``Inhabited Wing''
Plane of the Germans . . . . . . . . . . 8--8
Anonymous Editorials: Our Point of View . . . . . 13--13
Anonymous \booktitleScientific American Digest:
Nineteen-Story Arc Welded Building,
Human Bites and Infection, and more . . 50--56
Anonymous Current Bulletin Briefs . . . . . . . . 66--67
Sylvester J. Liddy Commercial Property News: Turpentine,
Rosin Consumption, Traffic Signal
Patented, and more . . . . . . . . . . . 68--72
Ernst D. Moore Ivory, the Pearl of the Forest . . . . . 9--12
Henry Norris Russell Testing the Astronomical Yardstick . . . 14--15
P. M. Downing A Stone Dam Greater than Cheops' Pyramid 16--17
Maynard Shipley Has Living Matter Been Produced in the
Laboratory . . . . . . . . . . . . . . . 18--20
Anonymous The Volcanic Birth of a New Island . . . 21--21
W. J. Humphreys Mining the Sky for Scientific Knowledge 22--25
F. D. McHugh Modern ``Alchemy'' in Iron and Steel . . 26--30
R. P. Walton Preserving Newspaper Files . . . . . . . 31--31
Milton Wright An Actor Turns Inventor . . . . . . . . 32--33
V. E. Pullin Practical X-Ray Crystal Analysis in
Engineering' . . . . . . . . . . . . . . 34--39
Anonymous Pre-constructed Pipe-line Hauled out to
Sea . . . . . . . . . . . . . . . . . . 40--41
Charles Haskins Townsend Giant Tortoises . . . . . . . . . . . . 42--44
Anonymous From the Archeologist's Notebook . . . . 45--45
H. L. Popenoe Landscaping with Fully Grown Trees . . . 46--47
Anonymous On the Track of the Mayas . . . . . . . 48--50
Anonymous Across the Editor's Desk . . . . . . . . 77--78
F. Henry Royce Back of Frontispiece . . . . . . . . . . 79--79
Anonymous Frontispiece: Concentrated ``Poison''
for Aircraft . . . . . . . . . . . . . . 80--80
Anonymous Editorials: Our Point of View . . . . . 85--85
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. and
Morris Fishbein \booktitleScientific American Digest:
Teach Deaf and Dumb Children with Gas,
Wire Cable Static Absorber, and more . . 120--142
Sylvester J. Liddy Commercial Property News: Radio Tube
Patent Held Valid, Plant Patent Aid
Provided, and more . . . . . . . . . . . 142--143
F. D. McHugh Preparedness for Peace . . . . . . . . . 81--84
Anonymous Automobiles for 1931 in Review . . . . . 86--89
Henry Norris Russell Refining Pluto's Orbit . . . . . . . . . 90--91
Anonymous A Watch --- Dog for the Carbureter . . . 92--93
Edgar C. Nichols Engineering Aspects of Michelson's
Velocity-of-Light Experiment . . . . . . 94--95
Anonymous The ``Mystery Ship'' Revealed . . . . . 96--98
Anonymous The Baby of Them All . . . . . . . . . . 99--99
John F. Galvin Bridging the Kill Van Kull . . . . . . . 100--101
Harold J. Cook More Evidence of the ``Folsom Culture''
Race . . . . . . . . . . . . . . . . . . 102--103
R. W. Riis The Life and Death Rate of Cars . . . . 104--105
Albert A. Hopkins From Sugar Cane to Crystal Cube . . . . 106--109
A. P. Peck Vacationing Awheel . . . . . . . . . . . 110--111
Edwin P. Norwood The Broom in Industry . . . . . . . . . 112--114
Anonymous The Diesel on the Highway . . . . . . . 115--115
Anonymous Solving a 3400 Year Old Egyptian Enigma 116--117
Anonymous The Aristocrats of Motordom . . . . . . 118--119
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 139--141
Anonymous Across the Editor's Desk . . . . . . . . 149--149
Anonymous Back of Frontispiece: Einstein Goes
Sailing . . . . . . . . . . . . . . . . 151--151
Anonymous Frontispiece: Extinct Because of Too
Much Evolution . . . . . . . . . . . . . 152--152
Anonymous Editorials: Our Point of View . . . . . 157--157
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. and
Morris Fishbein \booktitleScientific American Digest:
Easy Way to Melt Snow Blanket in Spring,
Tracer Shotgun Shell, and more . . . . . 190--207
Sylvester J. Liddy Commercial Property News: Scarlet Fever
Toxin Patent Sustained, Patent
Specification Ordered Revised, and more 212--213
N. H. Heck The Aurora --- Elusive Mystery of
Science . . . . . . . . . . . . . . . . 153--156
Henry Norris Russell Measuring the Rotation of the Stars . . 158--159
A. T. Littlefield A Floating Electric Power Plant . . . . 160--161
Anonymous Sculpture and Taxidermy Join Forces . . 162--163
David Lasser The Future of the Rocket . . . . . . . . 164--166
Anonymous Scientific Progress in 1930 . . . . . . 167--167
A. Hyatt Verrill The Mecca of Ancient America . . . . . . 168--170
Charles W. Geiger Migrating Fish `Climb' Fish Ladders . . 171--173
Milton Wright Flying to Find Oil . . . . . . . . . . . 174--175
Albert A. Hopkins Safeguarding Society . . . . . . . . . . 176--178
Anonymous From the Archeologist's Note Book . . . 179--179
Charles Clayton Wylie ``Largest Meteorite Seen to Fall'' . . . 180--181
Anonymous The Mammoth Saluda Dam . . . . . . . . . 182--183
Rensselaer Sill A New Advance in Food Production . . . . 184--185
Raymond B. Fosdick Companions in Depression . . . . . . . . 186--187
H. D. James Two Cars in One Elevator Shaft . . . . . 188--189
Anonymous Across the Editor's Desk . . . . . . . . 221--221
Alvan Macauley Back of Frontispiece . . . . . . . . . . 223--223
Anonymous Frontispiece: The Red Fusee is a Signal
to Stop . . . . . . . . . . . . . . . . 224--224
Anonymous Editorials: Our Point of View . . . . . 231--231
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. and
Morris Fishbein \booktitleScientific American Digest:
Large-Scale Insect Trapping, Synthetic
Ham --- What Next?, and more . . . . . . 262--282
Sylvester J. Liddy Commercial Property News: Stocking
Repair Method Patent Held Valid,
``Kalas--Sill'' Not Registrable as
Trademark, and more . . . . . . . . . . 284--285
Francis X. Milholland The Eyes and Ears of the Railroad . . . 225--230
Charles Clayton Wylie Did a Meteorite Strike the
Crawfordsville Ford? . . . . . . . . . . 232--234
Anonymous New Light on Old Foods . . . . . . . . . 235--235
C. R. Harding Unique Solutions of Bridge Construction
Problems . . . . . . . . . . . . . . . . 236--238
Raymond Francis Yates Vacuum Tubes in Industry . . . . . . . . 239--241
Robert F. Mehl A New Use for Radium . . . . . . . . . . 242--245
W. M. J. Barkley Radio Goes Man-Hunting . . . . . . . . . 246--247
Henry Norris Russell New Temperature Measurements of the Sun,
Moon, Mars . . . . . . . . . . . . . . . 248--249
Anonymous Chicago's `Madison Square Garden' . . . 250--251
Adeline Taylor Butterfly Farming . . . . . . . . . . . 252--252
Anonymous When Locomotives Go to Sea . . . . . . . 253--253
James A. Tobey A Machine Age `Milk Maid' . . . . . . . 254--255
L. R. Need Centrifugally-Spun Concrete Piles . . . 256--257
Anonymous Mass Production of Preserved Food . . . 258--259
C. F. Strickland Salt Making in India . . . . . . . . . . 260--261
Anonymous Across the Editor's Desk . . . . . . . . 293--294
Bailey Willis Back of Frontispiece . . . . . . . . . . 295--295
Anonymous Frontispiece: Millions of Hand Stitches
on Acres of Cloth . . . . . . . . . . . 296--296
Anonymous Editorials: Our Point of View . . . . . 301--301
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. and
Morris Fishbein \booktitleScientific American Digest:
Lightning, Benefactor of Mankind, New
Paint Resists Corrosion, and more . . . 336--358
Anonymous Current Bulletin Briefs . . . . . . . . 354--354
Sylverster J. Liddy Commercial Property News: Foreign
Telephone Patent Suit Settled, Glass
Trademark Upheld, and more . . . . . . . 358--359
Anonymous Navy's Super-Airship Nears Completion 297--300
Henry Norris Russell Incandescent Refrigerators . . . . . . . 302--303
Albert A. Hopkins Bells . . . . . . . . . . . . . . . . . 304--307
M. F. Knoy Salt Domes . . . . . . . . . . . . . . . 308--310
G. H. Estabrooks Which Races Are Best? . . . . . . . . . 311--313
J. G. Crowther More About the Great Siberian Meteorite 314--317
Andrew J. Eken The Ultimate in Skyscrapers? . . . . . . 318--320
Anonymous From the Archeologist's Note book . . . 321--321
A. E. Buchanan An Industry That Was Made . . . . . . . 322--324
Anonymous A Twenty . . . . . . . . . . . . . . . . 325--325
Anonymous Electricity Runs this Typewriter . . . . 326--327
Paul R. Heyl How Big is a Quantum? . . . . . . . . . 328--330
W. D. Puleston Clemenceau and Foch . . . . . . . . . . 331--331
R. D. Moore Signals Replace Train Orders . . . . . . 332--333
Lawrence W. Pedrose Wanted . . . . . . . . . . . . . . . . . 334--335
Anonymous Across the Editor's Desk . . . . . . . . 365--366
Anonymous Back of Frontispiece . . . . . . . . . . 367--367
Anonymous Frontispiece: Modern Methods in the
Fortress City of Palestine . . . . . . . 368--368
Anonymous Editorials: Our Point of View . . . . . 374--375
Anonymous \booktitleScientific American Digest:
What We Eat, a Shallow-V-Bottom Boat,
and more . . . . . . . . . . . . . . . . 406--423
Anonymous Commercial Property News: ``Finesse''
Allowed 3S Soap Mark, Dry Ice Suit Lost,
and more . . . . . . . . . . . . . . . . 426--429
Anonymous Index to Volume 144, January--June, 1931 430--432
William Bowie Triangulation . . . . . . . . . . . . . 369--373
Charles Dillon Our Changing Transportation . . . . . . 376--378
Sydney A. Moseley Zone Television and the Television Arc 379--379
Henry Norris Russell Tidying Up the Constellations . . . . . 380--381
George Eastman Problems of Calendar Improvement . . . . 382--385
Grace Lockhart Tons of Human Hair in Industry . . . . . 386--387
Archer P. Whallon This New Big Business of Gardening . . . 388--390
Anonymous From the Archeologist's Notebook . . . . 391--391
G. Rawson and
G. Lightfoot Man's Insect' Allies . . . . . . . . . . 392--393
Raymond Willoughby Change --- The Great Competitor . . . . 394--397
W. L. Whitehead Sulfur . . . . . . . . . . . . . . . . . 398--399
W. D. Puleston Clemenceau and Foch . . . . . . . . . . 400--400
Anonymous Diesel Versus Gasoline-Engined Plane . . 401--401
Anonymous A Flexible Amusement Building . . . . . 402--403
Anonymous A Two-Mile Industrial Water Tunnel . . . 404--405
Anonymous Across the Editor's Desk . . . . . . . . 5--6
Willem De Sitter Back of Frontispiece . . . . . . . . . . 7--7
Anonymous Frontispiece: a Majestic Mountainside
Monument to Four Presidents . . . . . . 8--8
Anonymous Editorials: Our Point of View . . . . . 12--13
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. and
Morris Fishbein \booktitleScientific American Digest:
Self-Rescuer for Mines, Blood Donors,
and more . . . . . . . . . . . . . . . . 46--67
Sylvester J. Liddy Commercial Property News: Patent Royalty
Held Non-taxable by State, ``Ethyl''
Mark Protected, and more . . . . . . . . 68--69
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 70--71
David Masters Cunard's Bid for Ocean Supremacy . . . . 9--11
Anonymous Riding With the Signal in the Cab . . . 14--15
D. H. Killefer Quick-Freezing Solves Food Problems . . 16--18
Anonymous Keeping the Stock Exchange Fit . . . . . 19--19
H. Diamond and
F. W. Dunmore Airplanes Land Blind --- Guided by Radio 20--23
Henry Norris Russell A Splintered Planet? . . . . . . . . . . 24--25
Alexander Klemin The National Aircraft Show . . . . . . . 26--28
Stephen Langdon The Biblical Deluge a Fact . . . . . . . 29--29
Anonymous Amateur Astronomy in Pittsburgh . . . . 30--32
D. E. Replogle Television Now on Schedule . . . . . . . 33--33
Anonymous Science in Search of Oil . . . . . . . . 34--36
Anonymous A Familiar Truck Becomes a Locomotive 37--37
Anonymous Professional Methods in Amateur
Archeology . . . . . . . . . . . . . . . 38--40
Anonymous American Olives by the Ton . . . . . . . 41--41
Anonymous Preserved for 10,000 Years to Come! . . 42--43
J. B. Nealey Mechanizing a Giant Foundry . . . . . . 44--45
Anonymous Across the Editor's Desk . . . . . . . . 77--77
Anonymous Back of Frontispiece . . . . . . . . . . 79--79
Anonymous Frontispiece: Correct Time is Essential
to Safe Railroading . . . . . . . . . . 80--80
Anonymous Editorials: Our Point of View . . . . . 85--85
F. D. McHugh \booktitleScientific American Digest:
Marine Electrolysis Eliminator, Pointers
on Nail Points, and more . . . . . . . . 118--138
Anonymous Commercial Property News: Langmuir
Patent Invalid, Chemical Patents, and
more . . . . . . . . . . . . . . . . . . 140--141
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 142--143
Francis X. Milholland Time and the Railroad Dispatcher . . . . 81--84
Anonymous Carl Akeley's Africa . . . . . . . . . . 86--87
L. O. Howard Which Shall Inherit the Earth --- Man or
the Insects? . . . . . . . . . . . . . . 88--90
Anonymous A \$35,000,000 Business Home . . . . . . 91--91
Henry Norris Russell Worlds From a Catastrophe . . . . . . . 92--93
A. J. Seaburg Hydro-Electric Power in the Ozarks . . . 94--96
Anonymous To Stop Soil Erosion Losses . . . . . . 97--97
Albert A. Hopkins Meeting the Emergencies of a Great City 98--99
Anonymous The Big Noise Behind the `Mike' . . . . 100--101
Ernest A. Hodgson The Earth Beneath . . . . . . . . . . . 102--105
Milton Wright Staying the Hand of Time . . . . . . . . 106--107
Helen R. Crane and
Emory W. Thurston And Now, It's Seaweed . . . . . . . . . 108--109
F. D. McHugh Progress and the Telephone . . . . . . . 110--112
Robert E. Naumburg A Book-Print Reader for the Blind . . . 113--113
Anonymous Blasting Roads to Settle Them . . . . . 114--115
W. D. Puleston Asquith and Kitchener . . . . . . . . . 116--117
Anonymous Across the Editor's Desk . . . . . . . . 149--149
Michael Faraday Back of Frontispiece . . . . . . . . . . 151--151
Anonymous Frontispiece: France's Reply to
Germany's ``Pocket Battleship'' . . . . 152--152
Anonymous Editorials: Our Point of View . . . . . 157--157
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
New Soap has no Taste, a Telephone
Call-Recorder, and more . . . . . . . . 188--209
Sylvester J. Liddy Commercial Property News: Single Court
of Patent Appeals, Inventor Convicted of
Fraud, and more . . . . . . . . . . . . 212--213
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 214--215
Grace Lockhart A Button Industry from Ocean Pearl . . . 153--156
Duane H. Kipp Wild Life in a Fire . . . . . . . . . . 158--159
George W. Orr Flying Instruction as it Should Be . . . 160--162
Solon R. Barber How you are Influenced by Color . . . . 163--163
Henry Norris Russell Is Interstellar Space Wholly Empty . . . 164--165
Albert A. Hopkins A Day With a Locksmith . . . . . . . . . 166--167
Paul R. Heyl The Perspective of Modern Physics . . . 168--170
Anonymous A Tinted Statue From Pompeii's Ashes . . 171--171
Milton Wright It Pays to be a Pioneer . . . . . . . . 172--173
G. Ross Robertson Natural Gasoline from Oil Wells . . . . 174--176
Anonymous Pose Yourself for Your Portrait . . . . 177--177
M. C. Swingle Into a Hidden World . . . . . . . . . . 178--179
W. D. Puleston Asquith and Kitchener . . . . . . . . . 180--180
Anonymous ``Form'' Letters With a Personal Touch 181--181
Anonymous World Affairs and the Telephone . . . . 182--183
J. Reid Moir How Ancient is Modern Man? . . . . . . . 184--185
Donald A. Laird Cotton Cloth Fit for a King . . . . . . 186--188
Anonymous Across the Editor's Desk . . . . . . . . 219--219
Anonymous Back of Frontispiece . . . . . . . . . . 221--221
Anonymous Frontispiece: The Newsroom Runs at High
Pressure . . . . . . . . . . . . . . . . 222--222
Anonymous Editorials: Our Point of View . . . . . 227--227
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Anti-Cavitation Marine Propeller,
Chemistry Imitates Reptile Skins for
Women's Shoes, and more . . . . . . . . 260--283
Sylvester J. Liddy Commercial Property News: Patent Law in
U.S.S.R, Color Not a Trademark, and more 284--285
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 286--287
Albert A. Hopkins Behind the Scenes of News Gathering . . 223--226
Henry Simon More Hard Luck for the Ether . . . . . . 228--230
Anonymous Tungsten Bows to the Plating Bath . . . 231--231
Henry Norris Russell The Sun an Atom Builder --- a New Theory 232--233
W. I. Van Dusen Wings Over Three Americas . . . . . . . 234--236
Anonymous Science Lends a Hand to the Red Cross 237--237
D. H. Killeffer New Paints From Synthetic Resins . . . . 238--239
Orson D. Munn Are Swimming Pools a Health Menace . . . 240--242
Anonymous From the Archeologist's Note Book . . . 243--243
George E. Hale A Solar Observatory for the Amateur . . 244--247
Peter A. Carmichael Cotton Stalks, a New Source of Rayon . . 248--250
Anonymous Celluloid Taxidermy . . . . . . . . . . 251--251
Anonymous Taming a Deadly Occupational Disease . . 252--253
George P. Luckey Combating Magnetism in Watches . . . . . 254--255
Z. Moor When a Sunbeam Splits . . . . . . . . . 256--257
Judson C. Welliver The Private Car, Yacht of the Rails . . 258--259
Anonymous Across the Editor's Desk . . . . . . . . 291--291
Linus Pauling Back of Frontispiece . . . . . . . . . . 293--293
Anonymous Frontispiece: Rome's Splendid Pantheon
Restored . . . . . . . . . . . . . . . . 294--294
Anonymous Editorials: Our Point of View . . . . . 299--299
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
American Navy Building Program Lags,
Largest, Most Powerful Locomotive, and
more . . . . . . . . . . . . . . . . . . 333--355
Sylvester J. Liddy Commercial Property News: Coal and Fuel
Oil Held Goods of Same Descriptive
Properties, Tire Trademark Registration
Refused, and more . . . . . . . . . . . 356--357
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 358--359
Mary L. Jobe Akeley Africa's First National Park . . . . . . 295--298
T. B. Parker Power Development on the Columbia River 300--302
Orson D. Munn United States Plant Patent No. 1 . . . . 303--303
Henry Norris Russell The Hottest Place in the Universe . . . 304--305
Edwin P. Norwood Ford, The Practical . . . . . . . . . . 306--307
Edwin Lincoln Moseley Are There Creatures Like Ourselves in
Other Worlds? . . . . . . . . . . . . . 308--310
Francis X. Milholland The Birth, Life, and Death of a Railroad
Ticket . . . . . . . . . . . . . . . . . 311--313
Anonymous Mercury Vapor Power to the Fore . . . . 314--316
Charles P. Olivier Australia's Great Meteorite . . . . . . 317--317
H. W. Vogler Paper's Thinnest Web . . . . . . . . . . 318--319
Carey Croneis Where Not to Look for Oil and Gas . . . 320--323
Alexander Klemin Electrical Aids to Blind Flying . . . . 324--326
Anonymous From the Archeologist's Note Book . . . 327--327
Anonymous A Modernized University Library . . . . 328--329
S. F. Aaron Why Question the Reasoning of Animals? 330--332
Anonymous Across the Editor's Desk . . . . . . . . 363--363
Thomas Alva Edison Back of Frontispiece . . . . . . . . . . 365--365
Anonymous Frontispiece: Where Bacteria Hold the
Center of the Stage . . . . . . . . . . 366--366
Anonymous Editorials: Our Point of View . . . . . 370--371
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
New Waterproof Lime, First Translations
of Maya Glyphs, and more . . . . . . . . 400--425
Sylvester J. Liddy Commercial Property News: Radio Tube
Suits Settled, ``Developing'' Cream
Advertised as a Body Builder, and more 426--427
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 428--429
D. H. Killeffer The Chemist Looks at Business Cycles . . 367--369
James A. Tobey A New Way to Control Rickets . . . . . . 372--373
Henry Norris Russell Space as Yet Unfathomed . . . . . . . . 374--375
C. A. Pownall Better Engines for Navy Planes . . . . . 376--378
Anonymous Speeding up Railway Freight . . . . . . 379--379
Elwood Mead Man-Made Oases in American Deserts . . . 380--383
Jacques Boyer Poland Becomes a Maritime Nation . . . . 384--385
Wilson Compton Has Forest Conservation Created a False
Alarm? . . . . . . . . . . . . . . . . . 386--387
Albert A. Hopkins Modern Coal for Modern Markets . . . . . 388--390
Sylvester J. Liddy Trademarks in Disguise . . . . . . . . . 391--391
Harlan T. Stetson How Stable is the Earth's Crust? . . . . 392--394
Anonymous From the Archeologist's Note Book . . . 395--395
Anonymous Butterfly Faking --- a New Industry . . 396--397
J. Reid Moir Stone Age Man's World-Wide Culture . . . 398--399
Anonymous Index to Volume 145, July--December,
1931 . . . . . . . . . . . . . . . . . . 430--431
Anonymous Across the Editor's Desk . . . . . . . . 3--4
James H. Breasted Back of Frontispiece . . . . . . . . . . 5--5
Anonymous Editorials: Our Point of View . . . . . 13--13
F. D. McHugh \booktitleScientific American Digest:
New Commercial Synthetic Rubber, Iron
Soft as Copper, and more . . . . . . . . 42--59
Sylvester J. Liddy Commercial Property News: Tire Design
Patent Granted, Conflicting Mark not
Registrable, and more . . . . . . . . . 60--61
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 62--63
Anonymous A Leaky Dam Gets a New Kind of Face . . 6--7
Herbert W. Forster Seeing With Invisible Light . . . . . . 7--11
Alf B. Bryn A New Dam-Reconditioning Method . . . . 12--12
Henry Norris Russell Is Space Expanding . . . . . . . . . . . 14--15
G. H. Dacy Mechanical Stevedores Aboard Ship . . . 16--17
H. C. Raven Gorilla: Greatest of All Apes . . . . . 18--22
Clarence M. Young Safety Rules for the Airways . . . . . . 22--25
T. Swann Harding Eugenics for Cows but Not for Humans . . 26--27
Guy Elliott Mitchell Making the Nation's Boundaries . . . . . 28--30
Anonymous New York's Newest Subway Cars . . . . . 31--31
Arthur H. Compton What Science Really Is . . . . . . . . . 32--33
W. R. Chapline Erosion Dares the West . . . . . . . . . 34--36
Anonymous From the Archeologist's Note Book . . . 37--37
Albert M. Jackson and
Roswell H. Ward Analyzing ``Archie's'' Shots . . . . . . 38--39
M. H. Talbott New and Exotic Delights for our Table 40--41
Anonymous Across the Editor's Desk . . . . . . . . 67--67
Friedrich Bergius Back of Frontispiece . . . . . . . . . . 69--69
Anonymous Frontispiece: Cable-Suspended Dome at
the 1933 Chicago Exposition . . . . . . 70--70
Anonymous Editorials: Our Point of View . . . . . 75--75
F. D. McHugh \booktitleScientific American Digest:
Elevating a City's Population, Germans
Win Nohel Prize in Chemistry, and more 104--123
Sylvester J. Liddy Commercial Property News: Cotton Picking
Machinery Perfected, More About Use of
Word ``Mahogany'', and more . . . . . . 124--125
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 126--127
Mary Jacobs How Shall We Live in the Future . . . . 71--74
Anonymous Commemorating a Century of Progress . . 76--77
Henry Norris Russell Weighing the Satellites . . . . . . . . 78--79
J. G. Crowther Science and the Permanent Wave . . . . . 80--82
Anonymous Pigeons Go to War College . . . . . . . 83--83
Janet B. Wattles `Jobs from Junk --- Wages from Waste' 84--85
Robert Dobell Forster Engineering a Ski-Jump Tower . . . . . . 86--88
Anonymous A New Style Theater, Front and Back . . 89--89
F. D. McHugh Our Railroads Must Be Saved . . . . . . 90--93
Albert A. Hopkins Science Trails the Criminal . . . . . . 94--96
Anonymous A Snow Avalanche ``Caught in the Act'' 97--97
Anonymous Amateur Astronomy in the Wild West . . . 98--99
Charles E. Randall Radio and Forest Fires . . . . . . . . . 100--101
S. W. Long Greedy `White Ants' Cost us Millions . . 102--103
Anonymous Across the Editor's Desk . . . . . . . . 131--131
Fritz Zwicky Back of Frontispiece . . . . . . . . . . 133--133
Anonymous Frontispiece: The ``Underwater Foreman''
Dives to his Work . . . . . . . . . . . 134--134
Anonymous Editorials: Our Point of View . . . . . 139--139
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Recorded Music and Sound Effects in
``Hamlet'', Tomato Test for Poison
Gases, and more . . . . . . . . . . . . 166--184
Sylvester J. Liddy Commercial Property News: More About a
Single Court of Patent Appeals,
Advertising Agency Abandons ``Home
Work'' Sewing Ads, and more . . . . . . 188--189
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 190--191
Walter Franklin Prince Mrs. Sinclair's `Mental Radio' . . . . . 135--138
James Hay, Jr. George Washington, Inventor . . . . . . 140--141
Henry Norris Russell A Miniature Solar System and its
Problems . . . . . . . . . . . . . . . . 142--143
J. H. Howard Gem-Stone Cutting for the Amateur . . . 144--146
Anonymous To Salvage a Sunken Liner's Treasure . . 147--148
R. H. Goddard A New Turbine Rocket Plane for the Upper
Atmosphere . . . . . . . . . . . . . . . 148--149
John Winters Fleming Why Power Companies Plant Trees . . . . 150--152
Anonymous A Horizontal Well . . . . . . . . . . . 153--153
W. D. Puleston George Washington . . . . . . . . . . . 154--155
Anonymous From Angora Goat to Mohair Fabric . . . 156--159
R. C. Smith The Telephone Spans the Pacific . . . . 160--162
Anonymous From the Archeologist's Note Book . . . 163--163
R. W. Frey and
F. P. Veitch Preservation of Leather Book Bindings 164--165
Anonymous Across the Editor's Desk . . . . . . . . 195--196
Charles P. Olivier and
John A. Kingsbury Back of Frontispiece . . . . . . . . . . 197--197
Anonymous Frontispiece: Forty Percent Completed
Before the Keel is Laid . . . . . . . . 198--198
Anonymous Editorials: Our Point of View . . . . . 205--206
F. D. McHugh \booktitleScientific American Digest:
Sound ``Bullets'' for Fog Navigation,
Acid Mouth More Common in Calm Persons,
and more . . . . . . . . . . . . . . . . 232--251
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 254--255
Hiram Percy Maxim What is it All About? . . . . . . . . . 199--203
Anonymous Man-Made Earthquakes Plumb Depths of
Greenland's Ice . . . . . . . . . . . . 204--204
Charles L. Lawrance Aircraft and Navy Treaty Strength . . . 206--208
Anonymous From the Archeologist's Note Book . . . 209--209
Henry Norris Russell How Cold is Space? . . . . . . . . . . . 210--211
Bruce M. Pierce Is Raw Milk a 'Raw Deal'? . . . . . . . 212--215
Roy Waldo Miner Forty Tons of Coral . . . . . . . . . . 216--218
Anonymous Improved Technique of Handling Airships
on the Ground . . . . . . . . . . . . . 218--219
Albert A. Hopkins Art Restorations and Frauds . . . . . . 220--221
Thomas H. MacDonald Highways and Railroads . . . . . . . . . 222--225
Angus S. Macdonald The Disaster in the Vatican Library . . 226--227
Marius Barbeau Totem Poles . . . . . . . . . . . . . . 228--229
James G. Donley 'Seeds' of Mass Production . . . . . . . 230--232
Anonymous Across the Editor's Desk . . . . . . . . 259--260
James Jeans Back of Frontispiece . . . . . . . . . . 261--261
Anonymous Frontispiece: The Peculiar Ship's Bow
that Saves Fuel . . . . . . . . . . . . 262--262
Anonymous Editorials: Our Point of View . . . . . 267--267
F. D. McHugh \booktitleScientific American Digest:
Detecting One Ten-Millionth of a Volt 296--315
Sylvester J. Liddy and
John C. Pemberton Commercial Property News: How Does the
Law Protect Slogans? . . . . . . . . . . 316--317
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 318--319
F. D. McHugh The Navy's Contribution to Industry . . 263--266
Henry Norris Russell New Light on Pluto . . . . . . . . . . . 268--269
K. G. Frank Beryllium . . . . . . . . . . . . . . . 270--272
James Jeans Watching the Creation of the Stars . . . 272--274
Anonymous Factory Methods in Coal Mining . . . . . 275--275
W. D. Puleston Viscount Grey and Lord Haldane . . . . . 276--277
Gaylord Johnson The New X-Ray 'Microscope' . . . . . . . 278--282
Anonymous Forge Welding . . . . . . . . . . . . . 283--283
A. P. Peck Where is Television? . . . . . . . . . . 284--285
Albert A. Hopkins Glass and the Machine Age . . . . . . . 286--289
Anonymous A New Chapter on Egyptian Art . . . . . 289--289
Anonymous The Father of All Skyscrapers . . . . . 290--291
Anonymous The Snake-Charming Sisters of Holy Popa 292--293
Milton Wright The Army General as a Captain of
Industry . . . . . . . . . . . . . . . . 294--295
Anonymous Across the Editor's Desk: Across The
Editor's Desk . . . . . . . . . . . . . 323--323
A. E. Kennelly Back of Frontispiece . . . . . . . . . . 325--325
Anonymous Frontispiece: a Flaming Torch of Gas
Threatens Disaster to an Oil Field . . . 326--326
Anonymous Editorials: Our Point of View . . . . . 331--331
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest: a
Tunnel for Saddle Horses, Increase in
Spider Bite Poisoning, and more . . . . 358--374
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 377--379
Sylvester J. Liddy Commercial Property News: A.C. Radio Set
Patent Adjudged Invalid, Wiring Plan
Patent Sustained, and more . . . . . . . 380--381
Andrew R. Boone What Happens When a Gasser Blows in When
an Oil Well is Being Drilled . . . . . . 327--329
Edwin P. Norwood Where Diamonds Earn Their Keep . . . . . 330--330
Milton Wright A Nerve Center of Communication . . . . 332--333
Henry Norris Russell Eclipses and the Sun's Atmosphere . . . 334--335
J. L. Naylor Flying as Fast as Sound . . . . . . . . 336--338
Anonymous An Early Christian Cemetery . . . . . . 339--339
W. D. Puleston Viscount Grey and Lord Haldane . . . . . 340--341
J. B. Nealey Power from Pipe Lines to Wires . . . . . 342--343
Sir James Jeans Watching the Creation of the Stars . . . 344--346
Anonymous Unusual Fishes . . . . . . . . . . . . . 347--347
Ernest E. Fairbanks Forty-Niners Starved in the Midst of
Plenty . . . . . . . . . . . . . . . . . 348--349
William D. Harkins Modern Alchemy . . . . . . . . . . . . . 350--353
H. D. James What Next in Elevator Engineering? . . . 354--355
J. Reid Moir Inter-Glacial Man in England . . . . . . 356--357
Anonymous Index to Volume 146, January--June, 1932 382--383
Anonymous Across the Editor's Desk . . . . . . . . 3--4
George Willis Ritchey Back of Frontispiece . . . . . . . . . . 5--5
Anonymous Frontispiece: Unearthing Evidences of
the Early Indian . . . . . . . . . . . . 6--6
Anonymous Editorials: Our Point of View . . . . . 11--11
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Treatment Prevents Wood Sap Stains,
Fabrics Not Weakened by Cleaning
Solvents, and more . . . . . . . . . . . 40--59
Sylvester J. Liddy Commercial Property News: Patents and
University Research, Austrian War-Time
Inventors to be Paid, and more . . . . . 60--61
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 62--63
M. R. Harrington When was America Discovered? . . . . . . 7--10
L. W. Chubb Research in the Future . . . . . . . . . 12--13
Henry Norris Russell The Mystery of the Unknown Lines . . . . 14--15
J. R. Shea Cables that Reduce Your Telephone Bill 16--18
Anonymous Floating ``Suspension Bridge'' Protects
Dams . . . . . . . . . . . . . . . . . . 19--19
Albert G. Ingalls What Professor Ritchey is Doing . . . . 20--23
F. D. McHugh 'Rubber' From a Chemical Laboratory . . 24--25
Anonymous Why Build Up Our Navy Now? . . . . . . . 26--28
Anonymous The Big Business of Biscuits . . . . . . 29--30
E. W. Barnes The Evolution of the Universe . . . . . 30--32
Anonymous Ten Greenwich Avenue --- for Ladies Only 33--33
Anonymous An Egyptian Temple Yields its Secrets 34--35
Charles Haskins Townsend Concerning the Shark . . . . . . . . . . 36--37
Albert A. Hopkins How the Bureau of Mines Aids the Mineral
Industry . . . . . . . . . . . . . . . . 38--39
Anonymous Across the Editor's Desk . . . . . . . . 67--67
Lord Rutherford Back of Frontispiece . . . . . . . . . . 69--69
Anonymous Frontispiece: an Eight-Ton,
1575-Horsepower Leviathan of the Air . . 70--70
Anonymous Editorials: Our Point of View . . . . . 75--75
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Clothing Reform, Stainless Steel Coins,
and more . . . . . . . . . . . . . . . . 104--123
Sylvester J. Liddy Commercial Property News: Supreme Court
Refuses to Modify ``Packers Consent
Decree'', Cable Patent Claims Invalid,
and more . . . . . . . . . . . . . . . . 124--125
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 126--127
Andrew R. Boone Night Flying With Safety . . . . . . . . 71--73
Albert G. Ingalls One Man Who is Having Fun . . . . . . . 74--74
J. G. Crowther And Now the Neutron . . . . . . . . . . 76--78
Waldemar Kaempffert Atomic Energy --- is it Nearer? . . . . 79--81
C. M. Hoke Something New --- Aluminum Jewelry . . . 82--82
Frank A. Reddan A Super Viaduct . . . . . . . . . . . . 83--85
Marius Barbeau How America Was First Peopled . . . . . 86--89
Henry Norris Russell The Coming Eclipse . . . . . . . . . . . 90--91
Anonymous New Indictments Against Insect Pests . . 92--93
Anonymous More Harness for the Susquehanna . . . . 94--96
Anonymous From the Archeologist's Note Book . . . 97--97
Albert A. Hopkins On the Captain's Bridge . . . . . . . . 98--99
Wilfrid D. Hambly Serpent Worship in Africa . . . . . . . 100--101
A. N. Mirzaoff Indoor Fruit Orchards . . . . . . . . . 102--103
Anonymous Across the Editor's Desk . . . . . . . . 131--132
Oscar Rice Back of Frontispiece . . . . . . . . . . 133--133
Anonymous Editorials: Our Point of View . . . . . 139--139
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Youthful Maturity, Colored Newspapers in
Siam, and more . . . . . . . . . . . . . 168--187
Sylvester J. Liddy and
John C. Pemberton Advertising as a Curb on Product Design
Pirates, Patent Assignment Rights
Defined, and more . . . . . . . . . . . 188--189
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 190--191
Anonymous Smoothing the Bore of a Hoover Dam
Tunnel . . . . . . . . . . . . . . . . . 134--134
Walker R. Young Hoover Dam . . . . . . . . . . . . . . . 135--138
Hugh D. Wise and
General William Mitchell Flying in the Beginning . . . . . . . . 140--141
Francis X. Milholland The Peregrinations of a Freight Car . . 142--145
Henry Norris Russell New Planetary Discoveries . . . . . . . 146--147
S. F. Aaron The Muscular Power of Insects . . . . . 148--150
Anonymous A Masterpiece of Museum-Craft . . . . . 151--151
A. Gael Simson Radio in the Forest Service . . . . . . 152--153
William F. F. Oppenoorth Solo Man --- a New Fossil Skull . . . . 154--155
Albert G. Ingalls New Notes on Ancient Man . . . . . . . . 156--156
Anonymous Tropical Fish as Pets . . . . . . . . . 157--157
Albert A. Hopkins Food for a Floating Hotel . . . . . . . 158--159
Steven L. Conner Whirling Molten Steel to Make Gun
Castings . . . . . . . . . . . . . . . . 160--162
Anonymous Treasure Trove in Lowly `Sweeps' . . . . 163--163
Byron C. Foy Building Safety into Automobile Glass 164--165
Grace Lockhart Quartz Takes up Fire Fighting . . . . . 166--167
Anonymous Across the Editor's Desk . . . . . . . . 195--196
Frank J. Sprague Back of Frontispiece . . . . . . . . . . 197--197
Anonymous Frontispiece: Recording the Past Despite
Wind, Flies, and Heat . . . . . . . . . 198--198
Anonymous Editorials: Our Point of View . . . . . 203--203
Anonymous \booktitleScientific American Digest:
Science Aids Quest for Gold, Better
Mummies, and more . . . . . . . . . . . 232--251
Sylvester J. Liddy Commercial Property News: U.S. Patents
Lead World, ``Taylord'' Mark Held
Descriptive, and more . . . . . . . . . 252--253
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 255--256
A. A. Hopkins New Knowledge of the Rise of Man . . . . 199--202
Elbridge Walter Stein Ultra-Violet Light and Forgery . . . . . 204--206
Anonymous Avalanches and Avalanche Protection . . 207--207
Henry Norris Russell Things that Happen in Sunspots . . . . . 208--209
F. D. McHugh America Emerges from Partial Maritime
Eclipse . . . . . . . . . . . . . . . . 210--211
Hugh D. Wise Flying in the Beginning . . . . . . . . 212--213
Anonymous In a Rifle Factory . . . . . . . . . . . 214--216
Anonymous Factory Punishment for Tires . . . . . . 217--217
Theodore Dunham, Jr. Physical Laboratories of the Stars . . . 218--220
Anonymous Profiting by Enforced Leisure . . . . . 221--221
Walker R. Young Hoover Dam . . . . . . . . . . . . . . . 222--223
Anonymous The Liner that Can not Roll . . . . . . 224--225
Anonymous A `Postoffice' for Freight . . . . . . . 226--227
Anonymous Houses of the Future . . . . . . . . . . 228--229
C. W. Geiger Salmon Fishing . . . . . . . . . . . . . 230--232
Anonymous Across the Editor's Desk . . . . . . . . 259--260
Charles Lathrop Parsons Back of Frontispiece . . . . . . . . . . 261--261
Anonymous Frontispiece: 'Fireworks' be Tween the
Wires on a Power Line . . . . . . . . . 262--262
Anonymous Editorials: Our Point of View . . . . . 267--267
F. D. McHugh \booktitleScientific American Digest:
Rat ``Digests'' Part of a Steel Ball
Bearing . . . . . . . . . . . . . . . . 292--315
Sylvester J. Liddy Commercial Property News: Mushroom
Piling Patent Valid, Unfair Competition
Suppressed, and more . . . . . . . . . . 316--317
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 318--319
Julius J. Torok The Transmission Engineer's Job . . . . 263--266
Anonymous Gold From Goldfish . . . . . . . . . . . 268--269
Henry Norris Russell Star Colors and Star Temperatures . . . 270--271
Charles R. Marshall The Business Man Takes Wings . . . . . . 272--274
Anonymous New Light on Sasanian Culture . . . . . 275--275
V. R. Covell Concrete Bridge Makes New Record . . . . 276--277
John P. Nikonow Is Space Curved? . . . . . . . . . . . . 278--279
Max Mark Frocht Looking at Stresses . . . . . . . . . . 280--283
Guy Elliott Mitchell Big Springs . . . . . . . . . . . . . . 284--285
A. A. Hopkins Why a Watch Keeps Time . . . . . . . . . 286--288
Anonymous Gun Recoil Control . . . . . . . . . . . 289--289
Austin C. Lescarboura Endurance Cut From the Hillside . . . . 290--292
Anonymous Across the Editor's Desk: Across The
Editor's Desk . . . . . . . . . . . . . 323--323
William Duncan Macmillan Back of Frontispiece . . . . . . . . . . 325--325
Anonymous Frontispiece: Waiting To ``Shoot''
Elephants Near a Water Hole . . . . . . 326--326
Anonymous Editorials: Our Point of Views . . . . . 331--331
Anonymous The Amateur Telescope Maker: Amateur
Telescope Makers Make Amateur Telescopes 332--333
F. D. McHugh and
Conducted by and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Mercury Vapor Power Plant Nears
Completion, a Ford Six? and more . . . . 354--376
Sylvester J. Liddy Commercial Property News: How the Courts
Treat Meritorious Patents, Rehearing
Denied on ``Dry Ice'' Decision and more. 378--379
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 380--381
Anonymous Index to Volume 147, July--December,
1932 . . . . . . . . . . . . . . . . . . 382--383
Andrew R. Boone Talkie Troubles . . . . . . . . . . . . 327--329
Anonymous Electricity Digs Hoover Dam Tunnels . . 330--330
H. Gerrish Smith More Ships for Our Foreign Trade . . . . 334--336
Anonymous Frameless Steel Houses . . . . . . . . . 337--337
Henry Norris Russell The Eclipse, Bad Weather, and a New Way
Out . . . . . . . . . . . . . . . . . . 338--339
Anonymous Hospital Luxury for Rich or Poor . . . . 340--341
V. E. Chenea Skyways That Link The Americas . . . . . 342--344
Anonymous From The Archeologist's Note Book . . . 345--345
Robert Hegner Your Internal Menagerie . . . . . . . . 346--348
Anonymous Now The Gun Carriage Is Welded . . . . . 349--349
A. P. Peck You Can't Beat 'Em . . . . . . . . . . . 350--351
Anonymous Shotgun Shells in The Making . . . . . . 352--353
Anonymous Across the Editor's Desk . . . . . . . . 3--4
William David Coolidge Back of Frontispiece . . . . . . . . . . 5--5
Anonymous Frontispiece: From Steering Paddle to
Gyro-compass . . . . . . . . . . . . . . 6--6
Anonymous Editorials: Our Point of View . . . . . 11--11
Anonymous \booktitleScientific American Digest:
Bone-Conduction Hearing Aid, Fake
Stomach-Ulcer Medicines, and more . . . 38--59
Anonymous Chemistry in Industry: Toothpaste Facts
and Fancies . . . . . . . . . . . . . . 39--39
Anonymous Current Bulletin Briefs . . . . . . . . 60--60
Beverly L. Clarke Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 61--61
Sylvester J. Liddy Commercial Property News: The New Trend
of Invention Plant Patents . . . . . . . 62--63
Gutzon Borglum Mountain Sculpture . . . . . . . . . . . 7--9
Anonymous Fast Rail Car on Pneumatic Tires . . . . 10--10
Andrew R. Boone Delicate Instruments Tame Wild Airplanes 12--13
C. J. Phillips The New Wave Atom, Elusive and
Mysterious . . . . . . . . . . . . . . . 14--17
Hamilton M. Wright Concrete that Withstands the Sea . . . . 18--19
Henry Norris Russell The Amazing Process of Vision . . . . . 20--21
Marius Barbeau The Disappearance of the Red Man's
Culture . . . . . . . . . . . . . . . . 22--24
Anonymous Fiddling on Aluminum . . . . . . . . . . 25--25
Swift Paine The Snow Surveyor [of] the Sierras . . . 26--27
H. Olken Invention --- a Coming Profession . . . 28--30
M. J. Hoferer The Kukulograph . . . . . . . . . . . . 31--31
J. R. Hopkins Leather Power-Belts Regain Favor . . . . 32--33
E. F. Kohman Science Aids the Caners . . . . . . . . 34--35
Norman V. Davidson Natural Gas Greets a Substitute . . . . 36--37
Anonymous Across the Editor's Desk . . . . . . . . 67--68
Irving Langmuir Back of Frontispiece . . . . . . . . . . 69--69
Anonymous Frontispiece: Faithful Reproductions of
Historical Objects . . . . . . . . . . . 70--71
Anonymous Editorials: Our Point of View . . . . . 75--75
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Germs More Harmful from Active Cases,
Perpetual Motion --- Almost, and More 100--123
Sylvester J. Liddy and
T. Hart Anderson Commercial Property News: Protection of
Industrial Designs, Furnace Patent Valid
and Infringed, and More . . . . . . . . 124--125
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 126--127
Andrew R. Boone History in the Talkies . . . . . . . . . 71--74
Anonymous Television in England . . . . . . . . . 76--77
Henry Norris Russell More About Meteors . . . . . . . . . . . 78--79
Wheeler G. Lovell Leveling Out Hills with More Precise
Molecules . . . . . . . . . . . . . . . 80--83
Anonymous A World's Fair in the Making . . . . . . 83--84
Anonymous Underneath the Artist's Paint . . . . . 84--85
William D. Grier Seeing an Unseen World . . . . . . . . . 86--88
Albert G. Ingalls The Amateur Rides a New Hobby . . . . . 89--89
H. V. Moss Reinforcing a Weak Spot in Our Diet . . 90--91
Calvin V. Davis Water Conservation --- the Key to
National Development . . . . . . . . . . 92--96
A. A. Hopkins A Vegetable From the Dark . . . . . . . 96--97
C. W. Tucker The Telephone Goes to Sea . . . . . . . 98--100
Anonymous Across the Editor's Desk . . . . . . . . 131--131
Henry Norris Russell Back of Frontispiece . . . . . . . . . . 133--133
Anonymous Frontispiece: Temperament and Psychology
at the Wheel . . . . . . . . . . . . . . 134--134
Anonymous Editorials: Our Point of View . . . . . 138--139
Anonymous Archeology: From the Archeologist's Note
Book . . . . . . . . . . . . . . . . . . 151--151
Anonymous \booktitleScientific American Digest: An
Electric Taster, French Cruiser
``Dunkerque'', and more . . . . . . . . 164--187
Anonymous Commercial Property News: Radio
Anti-Trust Case Settled . . . . . . . . 188--189
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 190--191
T. Swann Harding When Cabbage Has the Yellows . . . . . . 135--137
E. E. Free How You Can Test Telepathy . . . . . . . 140--143
Henry Norris Russell The Limits of the Solar System . . . . . 144--145
Andrew R. Boone When Mickey Mouse Speaks . . . . . . . . 146--147
R. M. Watrous Bacteria for Amateurs . . . . . . . . . 148--150
Albert A. Hopkins An Entertainment Treasure House . . . . 152--153
W. H. Evers The Truth About High-Altitude Flight . . 154--155
Gaylord Johnson Home-Brewing the Rainbow --- and
Understanding It . . . . . . . . . . . . 156--158
Anonymous The Submarine Turns Peaceful . . . . . . 159--159
J. B. Nealey Gas Aids the Potter . . . . . . . . . . 160--161
Anonymous Servicing Washington's Autos . . . . . . 162--163
Anonymous Across the Editor's Desk . . . . . . . . 195--196
Edward Bausch Back of Frontispiece . . . . . . . . . . 197--197
Anonymous Frontispiece: a Carillon Which was
Hoisted by Tractor . . . . . . . . . . . 198--199
Anonymous Editorials: Our Point of View . . . . . 203--204
Anonymous \booktitle Scientific American Digest:
Misconceptions on Ramie Fiber, New
Fertilizer from Peat, and more . . . . . 230--251
Anonymous Commercial Property News: Patent Office
Catching Up, ``Germania'' a Geographical
Mark, and more . . . . . . . . . . . . . 252--252
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 254--256
Willis H. Carrier The Economics of Man-Made Weather . . . 199--202
A. P. Peck `Safety Lanes' for Motor Safety . . . . 204--205
Thomas Ross Machines That Think . . . . . . . . . . 206--209
Anonymous Melting Glaciers Supply Electricity . . 209--210
O. Erf The Most Perfect Milk Possible . . . . . 210--211
Henry Norris Russell Building Model Stars . . . . . . . . . . 212--213
Anonymous What is `Telepathy'? . . . . . . . . . . 214--215
Randolph Ridgely, Jr. Watchmen of our Coast Line . . . . . . . 216--218
Anonymous Preserving Proof of Invention . . . . . 219--219
Anonymous The Glory of Persian Art . . . . . . . . 220--221
W. H. Whevers The Truth About High-Altitude Flight . . 222--223
Anonymous More Amateurs' Telescopes . . . . . . . 224--225
Anonymous What Happens in a Grain Elevator . . . . 226--227
Anonymous When Lacquer and Fabric Meet . . . . . . 228--230
Anonymous Across the Editor's Desk . . . . . . . . 258--258
Otelia Augspurger Compton Back of Frontispiece . . . . . . . . . . 259--259
Anonymous Frontispiece: Beet Sugar Awaiting a
Favorable Market . . . . . . . . . . . . 260--260
Anonymous Editorials: our point of view . . . . . 265--265
Anonymous \booktitleScientific American Digest:
Squaring the Circle Forever Impossible,
Rubber Prisms Improve Tires, and more 285--294
Anonymous Current Bulletin Briefs . . . . . . . . 295--295
Anonymous Commercial Property News: Commissioner
Asks for Reduced Patent Fees,
``Pinetex'' versus ``Pinex'', and more 302--302
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 303--306
Walter Franklin Prince The Case Against Margery . . . . . . . . 261--263
Anonymous Notes on Research in Telepathy . . . . . 264--264
A. A. Hopkins Travel Today at Bargain Rates . . . . . 266--267
F. D. McHugh Our Third-Rate Navy Could not Fight
Japan . . . . . . . . . . . . . . . . . 268--271
J. H. Davis Radio Waves Kill Insect Pests . . . . . 272--273
Arthur L. Lawrence Soaring on the Wings of the Wind . . . . 274--276
Anonymous Escape from a Sunken British Submarine 277--277
Henry Norris Russell Measuring the Counterglow . . . . . . . 278--279
A. P. Peck Sweet Beets . . . . . . . . . . . . . . 280--282
H. M. Parshley Sexual Abstinence as a Biological
Question . . . . . . . . . . . . . . . . 283--284
Albert G. Ingalls The Amateur Astronomer . . . . . . . . . 296--301
Anonymous Across the Editor's Desk . . . . . . . . 307--307
Anonymous Frontispiece: Measuring the Effects of
Loads on the Macon . . . . . . . . . . . 308--308
Anonymous Editorials: Our Point of View . . . . . 313--313
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest: Is
Beer Nutritious?, Why Plants are Green,
and more . . . . . . . . . . . . . . . . 332--345
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 349--349
Anonymous Index to Volume 148, January--June, 1933 350--351
C. C. Little Birth Control and Bigotry . . . . . . . 309--311
Anonymous From the Archeologist's Note Book . . . 312--312
Alton Dermont Adams Why the St. Lawrence Waterway? . . . . . 314--316
Andrew R. Boone Flies Raised to Test Death Sprays . . . 317--317
Henry Norris Russell The Literary Value of Mathematical
Tables . . . . . . . . . . . . . . . . . 318--319
Anonymous Amateur Astronomers' Home-Made
Observatories . . . . . . . . . . . . . 319--319
Reginald M. Cleveland Fly Fast --- Land Slow . . . . . . . . . 320--321
Anonymous A ``Different'' Art Museum . . . . . . . 322--322
Anonymous A Mechanical Cow . . . . . . . . . . . . 323--323
Anonymous The Second \booktitleScientific American
Test of Telepathy . . . . . . . . . . . 324--325
Captain W. D. Puleston Autocratic Versus Democratic Diplomacy 326--328
Anonymous How Beer is Brewed . . . . . . . . . . . 329--329
G. A. Skinner The World's Most Efficient Pump . . . . 330--331
Anonymous Across the Editor's Desk . . . . . . . . 2--2
Lyman J. Briggs Back of Frontispiece . . . . . . . . . . 3--3
Anonymous Frontispiece: and Never the Twain Shall
Meet' . . . . . . . . . . . . . . . . . 4--4
Anonymous Editorials: Our Point of View . . . . . 9--9
F. D. McHugh \booktitleScientific American Digest:
Lead Pencil Ends Scientific Search, Tiny
Mosquito Fish Win, and more . . . . . . 28--45
Anonymous Book Review: Books selected by the
Editors . . . . . . . . . . . . . . . . 46--46
Sylvester J. Liddy Commercial Property News: Noted Inventor
Dies, Foreign Dressmakers to Stop
Copying, and more . . . . . . . . . . . 47--47
Arthur H. Compton The Secret Message of the Cosmic Ray . . 5--7
Anonymous The Art of a Hard, Cruel People . . . . 8--8
Anonymous The Results of Our First Test of
Telepathy . . . . . . . . . . . . . . . 10--11
Henry Norris Russell The Misnamed ``Planetary'' Nebulae ---
What are they? . . . . . . . . . . . . . 12--13
Paul G. Redington Keep marshlands for Wild Fowl . . . . . 14--16
Anonymous A Chinese River in Bavaria . . . . . . . 17--17
Ernest H. Anthes The Amateur and his Microscope --- I . . 18--19
Wolfgang Lambrecht Transoceanic Airship Service . . . . . . 20--22
C. T. Ervin Snapshots of Bullets in Flight . . . . . 23--23
James A. Tobey The Minerals in Milk . . . . . . . . . . 24--25
R. C. Stratton and
J. B. Ficklen Chemical Engineering and Insurance . . . 26--27
Anonymous Across the Editor's Desk . . . . . . . . 51--51
Anonymous Frontispiece: `A Century of Progress'
After Dark . . . . . . . . . . . . . . . 52--52
Anonymous Editorials: Our Point of View . . . . . 57--57
F. D. McHugh \booktitleScientific American Digest:
Variable Timer for Skeet, Cellophane
Protects Wet Paint, and more . . . . . . 76--76
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 94--94
Sylvester J. Liddy Commercial Property News: Medical
Patents, Scored Shirts in Trade, and
more . . . . . . . . . . . . . . . . . . 95--95
T. Swann Harding How to Fritter Away Your Money . . . . . 53--55
Alfred J. Fox Self-Conquest Through Self-Analysis . . 56--56
L. V. Fostar and
J. F. Brandt The Amateur and his Microscope --- II 58--59
Henry Norris Russell Sunspots --- Greatest Existing
Refrigerators . . . . . . . . . . . . . 60--61
C. D. Graham Air Conditioning . . . . . . . . . . . . 62--64
Anonymous A Third Dimension Illustrator . . . . . 65--65
Anonymous Speaking of Telepathy --- . . . . . . . 66--67
Anonymous Flying in Comfort . . . . . . . . . . . 68--69
Anonymous Photography Works for Industry . . . . . 70--72
T. S. Miyakawa American--Japanese Relations . . . . . . 73--73
W. P. Hartman The Nordic --- Superior or Inferior? . . 74--75
Anonymous Across the Editor's Desk . . . . . . . . 98--98
George Ellery Hale Back of Frontispiece . . . . . . . . . . 99--99
Anonymous Frontispiece: Giant Sculptures of
Ancient Persia . . . . . . . . . . . . . 100--100
Anonymous Editorials: Our Point of View . . . . . 105--105
F. D. McHugh \booktitleScientific American Digest:
\booktitleScientific American Prize
Awards, Antitoxin and Scarlet Fever, and
more . . . . . . . . . . . . . . . . . . 122--131
Anonymous Current Bulletin Briefs . . . . . . . . 134--135
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 142--142
Sylvester J. Liddy Commercial Property News: Beer and
Liquor Trademarks, Trademark Cancelled,
and more . . . . . . . . . . . . . . . . 143--143
Ruby M. Strickland After 10,000 Years --- a New Bee! . . . 101--103
Anonymous Latest Photographs from Persepolis . . . 104--104
F. A. Melton and
William Schriever The Carolina Bays --- are they Meteor
Craters? --- I . . . . . . . . . . . . . 106--107
Anonymous A Request for Data on Apparitions . . . 108--108
Anonymous Our Second Test of Telepathy . . . . . . 108--108
Ignatius W. Cox Is Sexual Abstinence Harmful? . . . . . 109--109
Frank Challis and
John F. Brandt Learning to Use the Instrument . . . . . 110--111
Henry Norris Russell Where Astronomers when they Die . . . . 112--113
Robert Johnson The Lessons of 50,000,000 Miles of
Flying . . . . . . . . . . . . . . . . . 114--116
A. P. Peck A Real `Electric Eye' . . . . . . . . . 117--117
Anonymous ``Mass Production'' Welding . . . . . . 118--119
Grace Lockhart Checking Up on the Silkworm . . . . . . 120--121
Albert G. Ingalls The Amateur Astronomer . . . . . . . . . 132--133
Anonymous Across the Editor's Desk . . . . . . . . 146--147
Anonymous Frontispiece: The Servant that has
Transformed the World . . . . . . . . . 148--148
Anonymous Editorials: Our Point of View . . . . . 153--153
F. D. McHugh \booktitleScientific American Digest:
Photography With Semi-Invisible Flashes,
Submerged Shotgun Bursts, and more . . . 172--186
Anonymous Current Bulletin Briefs . . . . . . . . 187--187
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 190--190
Sylvester J. Liddy Commercial Property News: Oil Burner
Trademarks Rejection of Chemical Claims 191--191
William Benjamin West Muscle Shoals Active at Last . . . . . . 149--151
Anonymous Is Telepathy Indicated . . . . . . . . . 152--152
A. P. peck How Rare Gases Give Beauty to Lighting 154--155
Henry Norris Russell The Greatest Catastrophe of All . . . . 156--157
Anonymous The Carolina Bays --- are they Meteor
Craters? --- II . . . . . . . . . . . . 158--159
Frank Challis and
John F. Brandt The Amateur and his Microscope --- IV
Use and Care of the Instrument . . . . . 160--161
Charles B. Devenport The Inheritance of Disease . . . . . . . 162--164
Anonymous From the Archeologist's Note Book . . . 165--165
Anonymous The Progress of Aviation . . . . . . . . 166--167
Anonymous A Recent Crop of Reflecting Telescopes,
Made by Readers of this
\booktitleScientific American and the
Book ``Amateur Telescope Making'' . . . 168--169
J. V. B. Duer The Pennsylvania Electrifies . . . . . . 170--171
Anonymous Across the Editor's Desk . . . . . . . . 194--195
Anonymous Frontispiece: Where Man and Nature Blend 196--196
Anonymous Editorials: Our Point of View . . . . . 201--201
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
The Brocken Ghost ``Laid'' by Cameraman,
More Uses for Copper, and more . . . . . 224--245
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 246--246
Anonymous Commercial Property News: Radio Tube
Patents Granted, Eye ``Institute''
Curbed, and more . . . . . . . . . . . . 247--250
T. Swann Harding How Much Poison Can We Eat . . . . . . . 197--199
Anonymous Telepathy . . . . . . . . . . . . . . . 200--200
Reginald M. Cleveland The Distance Flier Takes a Chance . . . 202--203
Henry Norris Russell Stellar Atmospheres . . . . . . . . . . 204--205
E. S. Randolph More Water for the Panama Canal . . . . 206--208
Anonymous A Sculptor Turns Anthropologist . . . . 209--209
Julian D. Corrington The Amateur and his Microscope-V . . . . 210--211
H. A. Marmer Solar Tides . . . . . . . . . . . . . . 212--214
Anonymous A Rapid-Fire Weapon to Fight
Tuberculosis . . . . . . . . . . . . . . 215--215
Anonymous There is no Sand in Sandpaper . . . . . 216--217
Count Carl Von Klinckowstroem The Problem of the Divining Rod . . . . 218--219
Anonymous Mysteries of Movie Make-Up . . . . . . . 220--221
Harry G. Davis Farm Problems and the Machine . . . . . 222--224
Anonymous Across the Editor's Desk . . . . . . . . 250--251
Anonymous Frontispiece: Aloft from the Deepest
Hole . . . . . . . . . . . . . . . . . . 252--252
Anonymous Editorials: Our Point of View . . . . . 257--257
F. D. McHugh \booktitleScientific American Digest:
When do you have Colds?, More Vehicular
Tunnels for New York, and more . . . . . 278--297
Anonymous Commercial Property News: Inventions
Considered by Continental Motors, ``RCA
Licensed'' Radio Sets and Tubes, and
more . . . . . . . . . . . . . . . . . . 298--298
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 300--301
Anonymous Index to Volume 149, July--December,
1933 . . . . . . . . . . . . . . . . . . 302--303
Andrew R. Boone Black Gold --- Three Miles Down? . . . . 253--255
A. P. Peck A Raw Material of Many Uses . . . . . . 256--256
Hamilton M. Wright Harnessing the Nile . . . . . . . . . . 258--260
T. Leslie Shear How an Archeologist Works . . . . . . . 261--261
Henry Norris Russell The New Spot on Saturn . . . . . . . . . 262--263
Reginald M. Cleveland Air Transport Becomes Luxurious . . . . 264--265
Malcolm H. Bissell Race or Place? . . . . . . . . . . . . . 266--267
Julian D. Corrington The Amateur and his Microscope --- VI 268--269
Helen R. Crane The Story of the Soya . . . . . . . . . 270--272
William Hoyt Peck What Constitutes Perfect Detail in
Television? . . . . . . . . . . . . . . 273--273
Philip H. Smith Milk of the Rubber Tree . . . . . . . . 274--275
J. Henshaw Crider `Cruiser Number 1. Report' . . . . . . . 276--277
Anonymous Across the Editor's Desk . . . . . . . . 2--2
Lee A. Strong Back of Frontispiece . . . . . . . . . . 3--4
Anonymous Editorials: Our Point of View . . . . . 9--9
F. D. McHugh \booktitleScientific American Digest:
Newspaper Files Kept Photographically,
Linseed Oil for Dirty Hands, and more 32--53
Napier Shaw Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 54--54
Sylvester J. Liddy Commercial Property News: New Fruits
Dedicated to the Public ``Chipso''
Trademark Cancelled . . . . . . . . . . 55--55
Hamilton M. Wright Heightening the Assouan Dam . . . . . . 5--7
Anonymous Hovering Police of the Air . . . . . . . 8--8
Milton Wright Ice Cream by the Mile . . . . . . . . . 10--11
Henry Norris Russell Some Astronomical Surprises . . . . . . 12--13
T. Swann Harding There is Research \ldots and Research 14--16
Anonymous An Amateur's Dream Come True . . . . . . 17--17
Henry E. Rossell The Development of the Modern Cruiser 18--20
Anonymous Criminals Photographed in the Act . . . 21--21
Donald A. Laird What it Means to be Lazy . . . . . . . . 22--24
Anonymous From the Archeologist's Note Book . . . 25--25
K. Bernice Fick The Detection of Food Adulterations and
Spoilage --- I . . . . . . . . . . . . . 26--27
Anonymous Too Soon is as Bad as Too Late . . . . . 28--28
Anonymous The \booktitleScientific American Award
for Plane Improvement . . . . . . . . . 29--29
Anonymous Modern Catacombs Protect the French
Frontier . . . . . . . . . . . . . . . . 30--31
Anonymous Across the Editor's Desk . . . . . . . . 58--59
Anonymous Frontispiece: Attractive Mount Wilson
Observatory . . . . . . . . . . . . . . 60--60
Anonymous Editorials: Our Point of View . . . . . 65--65
F. D. McHugh \booktitleScientific American Digest:
Motor Cars for 1934, Physiological
Effects of Alcoholic Drinks, and more 88--107
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 110--110
Sylvester J. Liddy and
John C. Pemberton Commercial Property News: The ``Chipso''
Trade Mark, Important Points Concerning
Italian Patents, and more . . . . . . . 111--111
Charles Lathrop Pack Blister Busters . . . . . . . . . . . . 61--63
Anonymous The Second \booktitleScientific American
Test for Telepathy . . . . . . . . . . . 64--64
W. W. McFarland A Doctor Looks at Smoke and Dust . . . . 66--67
T. Swann Harding The Revised Food and Drugs Bill --- What
it Means to You . . . . . . . . . . . . 68--70
Anonymous Elongating Legs by Surgery . . . . . . . 71--71
Joseph B. Nichols You Have One Chance in a Hundred to
Understand Einstein . . . . . . . . . . 72--73
Anonymous ``Malnutrition'' in the British Navy . . 74--75
Alexander Klemin Streamlining and Your Automobile . . . . 76--79
Henry Norris Russell The New Telescope Mirrors . . . . . . . 80--81
Reginald M. Cleveland Scheduled Atlantic Flying How? When? . . 82--83
R. Newton Mayall and
Margaret Walton Mayall Sundials and their Construction-I . . . 84--85
K. Bernice Fick The Detection of Food Adulterations and
Spoilage --- II . . . . . . . . . . . . 86--87
Anonymous Across the Editor's Desk . . . . . . . . 114--114
Nikola Tesla Back of Frontispiece . . . . . . . . . . 115--115
Anonymous Frontispiece: Where Life Hangs on a
Six-Inch Nail . . . . . . . . . . . . . 116--116
Anonymous Editorials: Our Point of View . . . . . 121--121
John F. Brandt The Amateur Telescope Maker: The Amateur
and His Microscope --- IX . . . . . . . 130--131
F. D. McHugh \booktitleScientific American Digest:
Perfect Exposures, American Grub Now
Kills Snakes, and more . . . . . . . . . 144--165
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 166--167
Sylvester J. Liddy Commercial Property News: Remarks On
Protecting Intellectual Priority,
Government Radio Control, and more . . . 167--167
John T. Rowland Sky Boats . . . . . . . . . . . . . . . 117--119
Anonymous Quick-Action Navigating Camera . . . . . 120--120
J. W. Hammond Springtime in the Home . . . . . . . . . 122--123
John Harvey Caldwell Babies by Scientific Selection . . . . . 124--125
William B. Stout The New Terranautics . . . . . . . . . . 126--127
Lloyd W. Davis Science Suits Fashion's Fads . . . . . . 128--128
Anonymous Ocean Liners Get New Bows . . . . . . . 129--129
Nikola Tesla Possibilities of Electro-Static
Generators . . . . . . . . . . . . . . . 132--134
Anonymous Rome's Archeological Treasures . . . . . 135--135
Henry Norris Russell Some New Astronomical Advances . . . . . 136--137
F. Zwicky In the Region of Billions of Cycles . . 138--139
Anonymous Spanning San Francisco Bay . . . . . . . 140--141
R. Newton Mayall and
Margaret Walton Mayall Sundials and their Construction --- II 142--144
Anonymous Across the Editor's Desk . . . . . . . . 170--171
Anonymous Frontispiece: Humerus, Humerus, Femur,
of Mammoth . . . . . . . . . . . . . . . 172--172
Anonymous Editorials: Our Point of View . . . . . 177--177
F. D. McHugh \booktitleScientific American Digest:
Talkies in a Suit Case, Machine Welds
Beer Barrels, and more . . . . . . . . . 200--220
Sylvester J. Liddy Commercial Property News: Streamlined
Motor Vehicles, Denmark Reciprocal
Copyright Relations With U.S. . . . . . 221--221
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 222--223
William S. Shipley China Modernizes . . . . . . . . . . . . 173--175
Anonymous British Motor-Lifeboats are Highly
Successful . . . . . . . . . . . . . . . 176--176
Stacy Woodard Insect Warriors Battle for the Movies 178--179
Henry Norris Russell Tribulations of the Tropical Astronomer 180--181
Anonymous Working and Thinking and Eating . . . . 182--184
Anonymous Modern Architecture in Germany . . . . . 185--185
Henry L. Roosevelt Why the New Naval Building Program is
Necessary . . . . . . . . . . . . . . . 186--188
John F. Brandt The Amateur and his Microscope --- X
Mounting Specimens . . . . . . . . . . . 189--191
Peter V. Karpovich How Not to Swim Faster . . . . . . . . . 192--193
Reginald M. Cleveland Business Flies at Higher Speeds . . . . 194--195
Anonymous Refrigerator to Cool Boulder Dam
Concrete . . . . . . . . . . . . . . . . 196--197
R. Newton Mayall and
Margaret Walton Mayall Sundials and their Construction --- III 198--199
Anonymous Across the Editor's Desk . . . . . . . . 226--226
P. W. Bridgman Back of Frontispiece . . . . . . . . . . 227--227
Anonymous Frontispiece: The Age-Old Survival of
the Fittest . . . . . . . . . . . . . . 228--229
Anonymous Editorials: Our Point of View . . . . . 233--233
F. D. McHugh \booktitleScientific American Digest:
Punching Glass Lenses, Metal Surface is
Liquid, and more . . . . . . . . . . . . 256--276
Sylvester J. Liddy Commercial Property News: Inventions and
Industry, Pictures on Labels, and more 277--277
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 278--279
Laurence H. Snyder Whose Baby? . . . . . . . . . . . . . . 229--232
Charles H. Herty Southern Pine for White Paper . . . . . 234--236
Anonymous The Newer Photography . . . . . . . . . 237--237
Henry Norris Russell Barnard's Black Nebulae . . . . . . . . 238--239
R. G. Skerrett Down The Ways . . . . . . . . . . . . . 240--241
Charles F. Kettering Industry --- Research . . . . . . . . . 242--243
Bion R. East Another Job for the Codfish . . . . . . 244--245
Joseph Lynch Earthquakes . . . . . . . . . . . . . . 246--249
Anonymous Amateur Astronomers' Activities in
Indianapolis . . . . . . . . . . . . . . 249--249
R. Newton Mayall and
Margaret Walton Mayall Sundials and their Construction --- IV 250--251
Anonymous Breeding Better Trees . . . . . . . . . 252--253
Anonymous Dew Ponds . . . . . . . . . . . . . . . 254--256
Anonymous Frontispiece: Modern Warships of the Sea
and Air . . . . . . . . . . . . . . . . 284--284
Anonymous Editorials: Our Point of View . . . . . 289--289
F. D. McHugh \booktitleScientific American Digest:
Golf Ball with ``Shot in the Arm'',
Freshness of Fish Indicated by Voltage,
and more . . . . . . . . . . . . . . . . 310--331
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 332--332
Sylvester J. Liddy Commercial Property News: Sees Danger in
Patents on Scientific Discoveries, New
Ideas for Railroads, and more . . . . . 333--335
Henry A. Wallace The Scientist in an Unscientific Society 285--287
Anonymous A Flying Hotel . . . . . . . . . . . . . 288--288
Reginald M. Cleveland Airmail . . . . . . . . . . . . . . . . 290--291
J. H. Landman Race Betterment by Human Sterilization 292--295
Henry Norris Russell Fading Belief in Life on Other Planets 296--297
W. D. Puleston Modernizing the U.S.S `Mississippi' . . 298--300
Anonymous Objectives in Amateur Photography . . . 301--301
Chaplin Tyler Nitrogen Fixation and the Future . . . . 302--303
John V. Butterfield and
John F. Brand The Amateur and his Microscope --- XI
Photographing Specimens . . . . . . . . 304--306
Anonymous Full-Size Coal Mine in a Museum . . . . 307--307
Louis Martin Around the World with Short-Wave Radio 308--309
Anonymous Across the Editor's Desk . . . . . . . . 2--2
James Bryant Conant Back of Frontispiece . . . . . . . . . . 3--3
Anonymous Frontispiece: The Debris Rose 600 Feet
into the Air . . . . . . . . . . . . . . 4--4
Anonymous Editorials: Our Point of View . . . . . 8--9
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Lamp Filament a Coiled Wire, X Ray
Diagnoses Elephant's Arthritis, and more 32--51
Anonymous Current Bulletin Briefs . . . . . . . . 51--52
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 54--54
Sylvester J. Liddy Commercial Property News: Attempted
Dress Copyrights Fail, Chemical Patents,
and more . . . . . . . . . . . . . . . . 55--55
Walter Franklin Prince Extra-Sensory Perception . . . . . . . . 5--7
G. Edward Pendray What's in the Rocket? . . . . . . . . . 10--12
Anonymous Flowers with your Camera . . . . . . . . 13--13
Henry Norris Russell New Constituents of the Sun . . . . . . 14--15
Anonymous Splitting Seconds . . . . . . . . . . . 16--17
E. S. Gosney Eugenic Sterilization . . . . . . . . . 18--19
J. E. Nielsen Angling Has Scientific Angles . . . . . 20--22
Anonymous Time Defeats Bandits . . . . . . . . . . 23--23
R. Newton Mayall and
Margaret Walton Mayall Sundials and Their Construction --- V 24--25
T. Swann Harding Cancer . . . . . . . . . . . . . . . . . 26--27
Anonymous Water Power and Salt Lake for Egypt? . . 28--29
Donald A. Laird The Length of Your Nose . . . . . . . . 30--31
Anonymous Across the Editor's Desk: Across The
Editor's Desk . . . . . . . . . . . . . 58--59
Anonymous Frontispiece: The Link Between Arcturus
and the Fair . . . . . . . . . . . . . . 60--60
Anonymous Editorials: Our Point of View . . . . . 65--65
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 110--110
Sylvester J. Liddy Commercial Property News: De Forest Wins
``Feed-Back'' Patent Suit, Corn Cure
Trade Mark, and more . . . . . . . . . . 111--111
Alexander Klemin How Research Makes Possible the Modern
Motor Car . . . . . . . . . . . . . . . 61--63
F. D. McHugh Composing a Picture . . . . . . . . . . 64--64
C. Leonard Woolley Excavations at Ur . . . . . . . . . . . 66--69
Earl Sparling What is Whiskey? . . . . . . . . . . . . 70--71
Henry Norris Russell Mysteries of the Solar Corona . . . . . 72--73
Will C. Barnes Rattlers and Their Bites . . . . . . . . 74--76
Chas. B. Davenport and
Willis H. Whitney and
Edwin G. Conklin and
T. D. A. Cockerell and
John C. Merriam and
Chas. F. Kettering and
C. G. Abbot Science Replies to Secretary Wallace's
Article: `The Scientist in an
Unscientific Society' . . . . . . . . . 77--79
Daniel H. Kane Unforeseen Control of Industry . . . . . 80--81
Jonas H. Ingram Why The Battleship? . . . . . . . . . . 82--84
Harry F. Byrd Bureaucracy and the Farmer . . . . . . . 85--85
L. R. Smith Dispelling Popular Fallacies About Air
Conditioning . . . . . . . . . . . . . . 86--87
Philip H. Smith Industrial Corn . . . . . . . . . . . . 88--90
Anonymous Across the Editor's Desk: Across The
Editor's Desk . . . . . . . . . . . . . 114--114
Norbert Wiener Back of Frontispiece . . . . . . . . . . 115--115
Anonymous Frontispiece: The Great Chimu Fortress
of Paramonga, in Peru . . . . . . . . . 116--116
Anonymous Editorials: Our Point of View . . . . . 121--121
F. D. McHugh \booktitleScientific American Digest:
Remote Control for Arc Welders Cuts
Costs, Silver Soap, and more . . . . . . 144--161
Anonymous Current Bulletin Briefs . . . . . . . . 162--165
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 166--166
Anonymous Commercial Property News: Triplex Patent
Valid and Infringed, Radio Advertising
Censored, and more . . . . . . . . . . . 167--167
Herbert L. Stone In Defense of the America's Cup . . . . 117--119
Anonymous Plastic Model of Ancient Rome . . . . . 120--120
Roy Waldo Miner Diving in Coral Gardens . . . . . . . . 122--124
Anonymous 600 Wheels an Hour . . . . . . . . . . . 125--125
C. Thomalla The Sterilization Law in Germany . . . . 126--127
C. Leonard Woolley Excavations at Ur . . . . . . . . . . . 128--130
Stephen J. Ryan Beach Blasting . . . . . . . . . . . . . 131--131
Henry Norris Russell Stars on Parallel Tracks . . . . . . . . 132--133
Robert D. Speers Building the World's Largest Aqueduct 134--136
Walter Clark Color Filters . . . . . . . . . . . . . 137--137
R. Newton Mayall and
Margaret Walton Mayall Sundials and their Construction --- VI 138--139
Jonas H. Ingram Why the Battleship . . . . . . . . . . . 140--142
Anonymous Telescope Making . . . . . . . . . . . . 143--143
Anonymous Across the Editor's Desk . . . . . . . . 170--171
Anonymous Frontispiece: The Autogiro in Military
Maneuvers . . . . . . . . . . . . . . . 172--172
Anonymous Editorials: Our Point of View . . . . . 177--177
F. D. McHugh \booktitleScientific American Digest:
Bathysphere Has New Quartz Windows,
Noiseless All-Wave Radio Antenna System,
and more . . . . . . . . . . . . . . . . 200--221
Anonymous Book Review: Books selected by the
Editors . . . . . . . . . . . . . . . . 222--222
Sylvester J. Liddy Commercial Property News: Chicken
Capsules in Patent Suit, Position of
Trade Mark, and more . . . . . . . . . . 223--223
Herbert Fearon Uncle Sam, Ace Detective . . . . . . . . 173--176
James H. Rand, Jr. Strikes, Business, and Money . . . . . . 178--179
James Montagnes Flowers in the Arctic . . . . . . . . . 180--180
T. Leslie Shear Excavations in Ancient Athens . . . . . 181--181
Henry Norris Russell A Chapter of Accidents and How It
Affects the Nebulae . . . . . . . . . . 182--183
Nelson W. M. Baker Along Came a Spider . . . . . . . . . . 184--186
A. P. Peck Dark-Rooms . . . . . . . . . . . . . . . 187--187
Ignatius W. Cox The Folly of Human Sterilization . . . . 188--190
R. G. Skerrett Steel Arteries for Boulder Dam . . . . . 191--193
James W. Gerard America Must Be Self-Contained . . . . . 194--195
Reginald M. Cleveland Wings Over Water . . . . . . . . . . . . 196--197
John F. Brandt The Amateur and His Microscope --- XII
Some Tricks of the Trade . . . . . . . . 198--200
Anonymous Across the Editor's Desk . . . . . . . . 226--226
Fraulein Edith Kroupa Personalities in Science . . . . . . . . 227--227
Anonymous Frontispiece: a Rich New Discovery of
Dinosaur Remains . . . . . . . . . . . . 228--228
Anonymous Editorials: our Point of View . . . . . 233--233
F. D. McHugh \booktitleScientific American Digest:
Diesel Fuel Injection Pump, Amateur
Photomicrography, and more . . . . . . . 256--277
Anonymous Book Review: Books selected by the
Editors . . . . . . . . . . . . . . . . 278--278
Sylvester J. Liddy Commercial Property News: Foreign Patent
Licensing Corporations, ``Vapex'' Mark
Upheld . . . . . . . . . . . . . . . . . 279--279
John F. Thompson `Near Noble' Nickel . . . . . . . . . . 229--232
George S. McCarty Good Hunting . . . . . . . . . . . . . . 234--235
Henry Norris Russell Overtones and Atmospheres . . . . . . . 236--237
Robert D. Speers Aqueduct Siphons . . . . . . . . . . . . 238--240
A. P. Peck Copper Wire and Fishing Nets . . . . . . 241--241
Churchill Eisenhart The Ether: Riddle of the Ages . . . . . 242--244
James Stokley Astronomical Photography . . . . . . . . 245--245
Raymond B. Fosdick Mr. Gerard's Dream . . . . . . . . . . . 246--247
George O. Gillingham American Archeology . . . . . . . . . . 248--248
Arthur Knapp Faceted Gems for the Amateur Lapidary 249--249
R. Newton Mayall and
Margaret Walton Mayall Sundials and their Construction . . . . 250--251
Anonymous For Defense of the Panama Canal . . . . 252--253
Donald A. Laird Does Your Sleeping Room Give You
Insomnia? . . . . . . . . . . . . . . . 254--255
Anonymous Across the Editor's Desk . . . . . . . . 282--283
Anonymous Frontispiece: an Electric Eye that Never
Sleeps . . . . . . . . . . . . . . . . . 284--284
Anonymous Editorials: Our Point of View . . . . . 289--289
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Movies Analyze Industrial Operations,
Flexible Cord Reel, and more . . . . . . 310--330
Anonymous Current Bulletin Briefs . . . . . . . . 330--331
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 332--333
Philip H. Smith Diesels Stride Ahead . . . . . . . . . . 285--288
Ella Wilson Hill Before Winter Came to Alaska . . . . . . 290--292
Anonymous Engineering Projects in the Southwest 293--293
Henry Norris Russell Could a Manned Rocket Reach Mars? . . . 294--295
Andrew R. Boone How Chemistry Guards Your Health . . . . 296--298
Albert G. Ingalls Advanced Amateur Photography Infra-Red
and Ultra-Violet . . . . . . . . . . . . 299--299
J. G. Crowther Near Absolute Zero . . . . . . . . . . . 300--302
Anonymous `Queen Mary' . . . . . . . . . . . . . . 303--303
Ken G. Niblack The Amateur and his Microscope --- XIII
Plants that Swim . . . . . . . . . . . . 304--305
Anonymous From the Archeologist's Note Book . . . 306--306
William S. Dutton Motordom's Ghosts Walk Again . . . . . . 307--310
Anonymous Index to Volume 151, July--December,
1934 . . . . . . . . . . . . . . . . . . 334--335
Anonymous Across the Editor's Desk . . . . . . . . 2--2
J. C. Lincoln Personalities in Industry . . . . . . . 3--3
Anonymous Frontispiece: Fingerprints of 3000 Years
Ago . . . . . . . . . . . . . . . . . . 4--4
Anonymous Editorials: Our Point of View . . . . . 9--9
Anonymous The Amateur Telescope Maker: Amateur
Telescope Makers . . . . . . . . . . . . 28--29
Anonymous \booktitleScientific American Digest:
The Noisiest Room in the World, ``But I
Only Had One Drink'', and More . . . . . 32--53
Anonymous Current Bulletin Briefs . . . . . . . . 53--53
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 54--57
Philip H. Smith Plastics Come of Age . . . . . . . . . . 5--7
A. P. Peck Indoor Photography . . . . . . . . . . . 8--8
H. H. Newman Quintuplets, Quadruplets Triplets, Twins 10--12
Anonymous Guarding Egypt's Tombs . . . . . . . . . 13--13
Henry Norris Russell How Big is the Milky Way? . . . . . . . 14--15
C. C. Little A New Deal for Mice . . . . . . . . . . 16--18
Andrew R. Boone Revolution Among the Lubricants . . . . 19--21
R. Newton Mayall and
M. A. and
Margaret Walton Mayall Sundials and Their Construction . . . . 22--23
Barton M. Jones Norris Dam . . . . . . . . . . . . . . . 24--26
Anonymous Light in Glass Packages . . . . . . . . 27--27
Clyde Mitchell Research for Industry . . . . . . . . . 30--31
David Sarnoff Progress in this Age of Science . . . . 33--33
Anonymous Across the Editor's Desk . . . . . . . . 58--59
Anonymous Frontispiece: Casting The World's Widest
Eye . . . . . . . . . . . . . . . . . . 62--62
Anonymous Editorials: Our Point of View . . . . . 67--67
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Checking Up on Headlights,
Hydro-Electric Steam Generator in Dairy
Work, and more . . . . . . . . . . . . . 90--110
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 111--111
Philip H. Smith Increase Production! . . . . . . . . . . 63--66
Jacob Deschin The Miniature Camera . . . . . . . . . . 68--69
Henry Norris Russell The Most Interesting Star in the Sky . . 70--71
S. G. Roberts Canalization of the Upper Mississippi
River . . . . . . . . . . . . . . . . . 72--74
Anonymous From the Archeologist's Note Book . . . 75--75
John Kennedy Making Your Own Photomicrographic Camera 76--78
Anonymous Rubber . . . . . . . . . . . . . . . . . 79--79
Herbert F. Gough The First Tennessee Valley Authorities 80--82
R. G. Skerrett Fire at Sea! . . . . . . . . . . . . . . 83--85
Frank A. Montgomery, Jr. The Versatile Papaya . . . . . . . . . . 86--87
T. Swann Harding Let Us Die Fashionably . . . . . . . . . 88--89
Alvan Macauley Progress in This Age of Science as Told
to \booktitleScientific American . . . . 91--91
Anonymous Across the Editor's Desk . . . . . . . . 114--114
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 115--115
Anonymous Frontispiece: Harvesting American-Grown
Rubber in California . . . . . . . . . . 116--116
Anonymous Editorials: Our Point of View . . . . . 121--121
F. D. McHugh \booktitleScientific American Digest:
Ejector Ice Cube Tray, Wheeled Centipede
in Africa, and more . . . . . . . . . . 146--166
Anonymous Current Bulletin Briefs . . . . . . . . 166--166
A. R. Kelly Exploring Prehistoric Georgia . . . . . 117--120
C. W. Page Radio Facsimile . . . . . . . . . . . . 122--123
Walter G. Swanson Building the World's Deepest-Water
Bridge . . . . . . . . . . . . . . . . . 124--126
Herbert O. Warren ``Canned'' Roses . . . . . . . . . . . . 127--127
Henry Norris Russell A Star Swells Up and Bursts . . . . . . 128--129
Philip H. Smith How is it Wrapped? . . . . . . . . . . . 130--133
R. Newton Mayall and
Margaret Walton Mayall Sundials and their Construction . . . . 134--135
Victor W. Eisenstein The Oddest Thing About the Jews . . . . 136--138
A. P. Peck Roaring Midgets . . . . . . . . . . . . 139--139
Havene Merson The Houses We Live in . . . . . . . . . 140--141
Jacob Deschin Creative Enlargement . . . . . . . . . . 142--143
Frederick H. Ecker Poplars of Promise . . . . . . . . . . . 144--145
Anonymous Across the Editor's Desk . . . . . . . . 170--171
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 172--172
Anonymous Personalities in Science . . . . . . . . 173--173
Anonymous Frontispiece: Photography on Two
Selected Wavelengths . . . . . . . . . . 174--174
Anonymous Editorials: Our Point of View . . . . . 179--179
Anonymous \booktitleScientific American Digest:
Probing into Brain Processes, Attachment
Cuts Blow-Out Danger, and more . . . . . 202--221
Anonymous Current Bulletin Briefs . . . . . . . . 221--222
Jacob Deschin Photography in the ``Ads'' . . . . . . . 175--177
Anonymous A High-Speed Sailboat . . . . . . . . . 178--178
William C. Dickerman There's Life in the Old Iron Horse . . . 180--181
Henry Norris Russell The Earth's Wobbling Axis . . . . . . . 182--183
A. R. Kelly Exploring Prehistoric Georgia . . . . . 184--187
G. H. Estabrooks The Insanity of Sanity . . . . . . . . . 188--190
Frederick W. Brehm Pinhole Photography . . . . . . . . . . 191--191
Philip H. Smith Paints in Transition . . . . . . . . . . 192--195
Reginald M. Cleveland Fly High for Comfort . . . . . . . . . . 196--197
Grace Kirkpatrick On a Natural Damsite . . . . . . . . . . 198--200
T. E. Wood Cork in Fire Bricks . . . . . . . . . . 201--201
Gerard Swope Progress in this Age of Science . . . . 203--203
Anonymous Across the Editor's Desk . . . . . . . . 226--226
Anonymous Book Review: Books selected by the
Editors . . . . . . . . . . . . . . . . 227--227
Anonymous Frontispiece: The Biting Black Widow and
Her Badly Built Web . . . . . . . . . . 228--228
Anonymous Editorials: Our Point of View . . . . . 233--233
Alexander Klemin Aviation: \booktitleScientific
American's Monthly Digest of Aviation 240--240
Anonymous \booktitleScientific American Digest:
Polarized Light, Revolving Auto Service
Station, and more . . . . . . . . . . . 260--277
Anonymous Current Bulletin Briefs . . . . . . . . 278--278
Igor Sikorsky Wings of Europe . . . . . . . . . . . . 229--231
M. L. Muhleman World wide radio International
Broadcasting . . . . . . . . . . . . . . 232--232
James A. Moffett Back to Prosperity with Housing . . . . 234--235
Reginald M. Cleveland Safety in the Air . . . . . . . . . . . 236--237
Henry Norris Russell Double Stars . . . . . . . . . . . . . . 238--240
Anonymous Electric Hotbeds . . . . . . . . . . . . 243--243
A. R. Kelly Exploring Prehistoric Georgia . . . . . 244--246
Ray Holland, Jr. Streamlining in Nature . . . . . . . . . 247--249
Jacob Deschin Candid Photography . . . . . . . . . . . 250--251
G. I. Wright Electricity's Place in Railroading . . . 252--253
Philip H. Smith Cutting Casting Costs . . . . . . . . . 254--257
Philip R. Tarr Thrills from a Home-Made Polarizer . . . 258--260
C. F. Kettering Progress in this Age of Science . . . . 261--261
Albert G. Ingalls The Amateur Astronomer . . . . . . . . . 264--266
Anonymous Across the Editor's Desk: Across The
Editor's Desk . . . . . . . . . . . . . 282--283
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 284--284
Charles G. Abbot Personalities in Science: Personalities
In Science . . . . . . . . . . . . . . . 285--285
Anonymous Frontispiece: Was This Gas Cloud Once a
Star? . . . . . . . . . . . . . . . . . 286--286
Anonymous Editorials: Our Point of View . . . . . 291--291
F. D. McHugh \booktitleScientific American Digest:
Matching Colors Photo-Electrically,
Top-Icing Cars With Snow Ice, and more 312--331
Anonymous Current Bulletin Briefs . . . . . . . . 332--332
Daniel C. Roper Industrial Dixie . . . . . . . . . . . . 287--289
M. L. Muhleman World-Wide Radio All-Wave Receivers . . 290--290
James A. Moffett Back to Prosperity With Housing . . . . 292--293
Henry Norris Russell The Newer Telescopes . . . . . . . . . . 294--295
Harry J. Engel Bridging the Mississippi . . . . . . . . 296--298
A. P. Peck and
F. D. McHugh Color Photography for the Amateur . . . 299--299
Harold C. Urey Heavy Water . . . . . . . . . . . . . . 300--302
Anonymous Sea-Going Elevators . . . . . . . . . . 303--303
Philip R. Tarr Thrills from a Home-Made Polarizer . . . 304--305
J. Reid Moir Did Man Exist in the Miocene Epoch? . . 306--307
George W. Codrington Diesels on Rails . . . . . . . . . . . . 308--309
Frank A. Montgomery, Jr. An Oriental Plant in the Occident . . . 310--311
Walter P. Chrysler Progress in This Age of Science . . . . 313--313
Anonymous Index to Volume 152, January--June, 1935 334--335
Anonymous Across the Editor's Desk . . . . . . . . 2--2
John D. Strong Personalities in Science . . . . . . . . 3--3
Anonymous Frontispiece: From The Far Reaches of
Western China . . . . . . . . . . . . . 4--4
Anonymous Editorials: Our Point of View . . . . . 9--9
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Pneumatic Rivet Passer, Gun Detector,
and more . . . . . . . . . . . . . . . . 34--53
Anonymous Current Bulletin Briefs . . . . . . . . 53--53
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 54--55
Myron H. Avery The Appalachian Trail . . . . . . . . . 5--7
Anonymous For Greater Safety at Sea . . . . . . . 8--8
H. H. Slawson New Light on Ancient Technical Progress 10--11
J. B. Rhine Telepathy and Clairvoyance in a Trance
Medium . . . . . . . . . . . . . . . . . 12--14
W. A. Parlin How Bright is a Lightning Bug? . . . . . 15--15
Jacob Deschin Is the Exposure Right? . . . . . . . . . 16--17
Henry Norris Russell Impossible Planets . . . . . . . . . . . 18--19
Philip H. Smith Fight Corrosion . . . . . . . . . . . . 20--23
John Herrick Back on the Land . . . . . . . . . . . . 24--26
M. L. Muhleman All-Wave Reception . . . . . . . . . . . 27--27
Andrew R. Boone Power From Boulder Dam . . . . . . . . . 28--29
R. G. Hoskins Personality Glands . . . . . . . . . . . 30--31
Reginald M. Cleveland Wings that Turn . . . . . . . . . . . . 32--33
Kermit Roosevelt Progress in This Age of Science as Told
to \booktitleScientific American . . . . 35--35
Anonymous Across the Editor's Desk . . . . . . . . 58--59
Anonymous Frontispiece: Ten Feet of Concrete
Protect Tunnel Workmen . . . . . . . . . 60--60
Anonymous Editorials: Our Point of View . . . . . 65--65
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
U.S. Excels in Wasting Soils, Reflection
in Boulder Dam Lake, and more . . . . . 88--106
M. L. Muhleman World-Wide Radio: World-wide Radio . . . 107--109
Anonymous Current Bulletin Briefs . . . . . . . . 109--109
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 110--111
Andrew R. Boone Ancient Battles in the Movies . . . . . 61--63
Albert G. Ingalls Diggers in the Field . . . . . . . . . . 64--64
Philip H. Smith Ready-Made Houses . . . . . . . . . . . 66--69
E. U. Condon What are Positrons? . . . . . . . . . . 70--72
Geo. A. Skinner The Lady Mosquito and Her Pocket
Jack-Knife Tool Kit . . . . . . . . . . 73--73
W. A. Bevan When a Snake Bites You . . . . . . . . . 74--76
Anonymous The Latest in Police Radio . . . . . . . 77--77
Jacob Deschin The Seven League Boots of Photography 78--79
R. G. Skerrett Flood Control on Ol' Man River . . . . . 80--82
Dean M. Warren Office Efficiency . . . . . . . . . . . 83--83
Russell W. Porter Sun Clocks . . . . . . . . . . . . . . . 84--85
Henry Norris Russell The Blue Clouds of Mars . . . . . . . . 86--87
Edeard G. Budd Progress in This Age of Science as Told
to \booktitleScientific American . . . . 89--89
Anonymous Across the Editor's Desk . . . . . . . . 114--114
Anonymous Personalities in Science . . . . . . . . 115--115
Anonymous Frontispiece: Hydraulics and Electricity
Make Better Automobile Bodies . . . . . 116--116
Anonymous Editorials: Our Point of View . . . . . 121--121
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest: an
Ancient Egyptian Sundial, Laboratory
Tests for Rugs, and more . . . . . . . . 144--161
Anonymous Current Bulletin Briefs . . . . . . . . 161--161
Jacob Deschin Camera Angles . . . . . . . . . . . . . 162--163
M. L. Muhleman World-Wide Radio . . . . . . . . . . . . 164--165
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 166--167
J. N. Darling Save Our Game! . . . . . . . . . . . . . 117--119
Anonymous Photo-Murals Gain Favor . . . . . . . . 120--120
Reginald M. Cleveland Why Seek Air Records? . . . . . . . . . 122--123
Albert Dickman In Defense of Insects . . . . . . . . . 124--126
Anonymous Tempered Glass . . . . . . . . . . . . . 127--127
R. G. Skerrett Tumbling Caissons . . . . . . . . . . . 128--130
Jean Harrington The Cosmic Ray Puzzle . . . . . . . . . 131--132
Arthur H. Compton Cosmic Rays . . . . . . . . . . . . . . 133--133
Philip H. Smith For Better Houses . . . . . . . . . . . 134--137
T. Swann Harding Cut the Overhead! . . . . . . . . . . . 138--139
Anonymous The Last Word in American Naval
Construction . . . . . . . . . . . . . . 140--141
Anonymous Lost Wax Casting . . . . . . . . . . . . 142--143
William S. Shipley Progress in This Age of Science as Told
to \booktitleScientific American . . . . 145--145
Anonymous Across the Editor's Desk . . . . . . . . 170--170
Anonymous Editorials: Our Point of View . . . . . 177--177
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Water Weight, Fingerprints ``Raised''
from Cloth, and more . . . . . . . . . . 200--216
Anonymous Current Bulletin Briefs . . . . . . . . 217--217
Jacob Deschin Camera Angles: ``Angle'' Photography,
New Low-Priced Exposure Meter, and more 218--219
M. L. Muhleman World-Wide Radio: The 1936 All-Wave
Receivers, Amateur ``Phone''
Transmitters, and more . . . . . . . . . 220--221
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 222--223
Anonymous An Orang Born in Captivity . . . . . . . 172--172
James T. Jardine Agricultural Research Aids Industry . . 173--175
Anonymous Building Blocks of the Atom . . . . . . 176--176
Jotham Johnson The Great Mound of Tepe Gawra . . . . . 178--179
Herbert F. Gough A Link in a Chain of Dams . . . . . . . 180--182
Benton Stone, Jr. Watching Crystals Grow . . . . . . . . . 183--183
Henry Norris Russell World Astronomers Meet Again . . . . . . 184--185
S. F. Aaron Nature Faking Again . . . . . . . . . . 186--187
Everett W. Melson Light Waves in Industry . . . . . . . . 188--190
Anonymous Military Motorization . . . . . . . . . 191--191
T. Swann Harding What is Scientific Proof? . . . . . . . 192--194
Anonymous From Metal to Money . . . . . . . . . . 195--195
Andrew R. Boone Eyes of the Fleet . . . . . . . . . . . 196--197
John H. Radu Make Your Own Light-Sensitive Cells . . 198--199
Lewis H. Brown Progress in this Age of Science as Told
to \booktitleScientific American . . . . 201--201
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 227--227
Anonymous Across the Editor's Desk . . . . . . . . 228--228
Anonymous Editorials: Our Point of View . . . . . 237--237
F. D. McHugh \booktitleScientific American Digest:
Movies of Racing Car Instruments, Human
Horsepower, and more . . . . . . . . . . 265--283
Anonymous Current Bulletin Briefs . . . . . . . . 283--283
Jacod Deschin Camera Angles: Greetings by Photography,
Negative File, and more . . . . . . . . 284--285
M. L. Muhleman World-Wide Radio: The Beat-Frequency
Oscillator, Timing Programs, and more 286--287
Anonymous 90 Years of Service . . . . . . . . . . 229--229
Anonymous The ``Cradle of the Navy'' on the Severn
River . . . . . . . . . . . . . . . . . 230--230
Captain Jonas H. Ingram 15 Years of Naval Development . . . . . 231--236
Orson D. Munn The Problem of the Far East . . . . . . 238--239
Captain Jonas H. Ingram Annapolis --- Maker of Men . . . . . . . 240--244
Lieutenant W. B. Ammon Radio in Naval Tactics . . . . . . . . . 245--245
Oscar Parkes A Forecast of World Navies . . . . . . . 246--250
F. D. McHugh Industry and the Navy . . . . . . . . . 251--251
Captain P. N. L. Bellinger Flying in the Navy . . . . . . . . . . . 252--254
Jack C. Cotton Do We Hear with Our Eyes? . . . . . . . 255--255
Logan U. Reavis States that Build a Cruiser . . . . . . 256--257
Henry Norris Russell Oxygen Stars and Carbon Stars . . . . . 258--259
Andrew R. Boone Steel Bridge Cables Spun Like Threads 260--261
J. A. Nieuwland Synthetic Rubber From a Gas . . . . . . 262--263
B. C. Bridges Prehistoric Fingerprints . . . . . . . . 264--264
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 290--290
Anonymous Editorials: Our Point of View . . . . . 299--299
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Planetarium Staff, Photo-Cell Output,
and more . . . . . . . . . . . . . . . . 318--339
Anonymous Current Bulletin Briefs . . . . . . . . 340--340
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 341--341
Anonymous Canada's Newest Aid to Science . . . . . 292--292
Alden H. Waitt No Super War Gas! . . . . . . . . . . . 293--297
Earle Duffy Another Step Toward Highway Safety . . . 298--298
E. U. Condon Energy From Matter . . . . . . . . . . . 300--301
William H. Easton The Breath of Life --- at Your Service 302--304
A. P. Peck Perpetual Ice in a Lava Bed . . . . . . 305--305
Henry Norris Russell Wide Spectrum Lines and Small Stars . . 306--307
Andrew R. Boone Colorado River's Newest Dam . . . . . . 308--309
Charles Bache Prehistoric Burials of Tepe Gawra . . . 310--313
Philip H. Smith Not Just Glass . . . . . . . . . . . . . 314--317
William B. Stout Progress in this Age of Science as Told
to \booktitleScientific American . . . . 319--319
Anonymous Index to Volume 153, July--December,
1935 . . . . . . . . . . . . . . . . . . 342--343
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 2--2
Major Edwin H. Armstrong Personalities in Science . . . . . . . . 3--3
Anonymous Editorials: Our Point of View . . . . . 9--9
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Frost Chaser, Constructing World's
Largest-Bore Tunnel, and more . . . . . 30--52
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 54--55
Anonymous Ancient Art Revealed by a Peasant's Plow 4--4
E. U. Condon Artificial `Radium' . . . . . . . . . . 5--8
Reginald M. Cleveland Civil Aviation in National Defense . . . 10--11
Henry Norris Russell The ``Space-Penetrating Power'' of
Telescopes . . . . . . . . . . . . . . . 12--13
Ralph W. Chaney The Food of Peking Man . . . . . . . . . 14--16
F. D. McHugh Surer Artificial Respiration . . . . . . 17--17
A. M. Procter Diesels for Battleships? . . . . . . . . 18--20
Logan U. Reavis The ``Big Top'' in a Theater . . . . . . 21--21
Philip H. Smith Rubber Takes the Shocks of Industry . . 22--25
R. G. Skerrett A Bigger and Better Cape Cod Canal . . . 26--27
De Bary Kerston ``Seeing'' the Invisible . . . . . . . . 28--29
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 58--59
Anonymous Frontispiece: To End San Francisco's
Isolation . . . . . . . . . . . . . . . 60--60
Anonymous Editorials: Our Point of View . . . . . 64--64
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Bug Eat Bug, Wire Mileage, and more . . 86--109
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 110--111
Lawrence A. Clousing Death and Co . . . . . . . . . . . . . . 61--63
W. S. McArdle Aluminum's Future . . . . . . . . . . . 65--67
Vladimir K. Zworykin A Rival of the Vacuum Tube . . . . . . . 68--69
David J. Price When Dust Goes Up in Smoke . . . . . . . 70--72
Anonymous Section Slicer . . . . . . . . . . . . . 73--73
Henry Norris Russell More About Nova Herculis . . . . . . . . 74--75
Jotham Johnson The Heel of the Conqueror . . . . . . . 76--78
Anonymous Patents and Industry . . . . . . . . . . 79--79
Jean Harrington Why Does the Atom Stick Together? . . . 80--82
Anonymous Nobel Prize Radioactivators . . . . . . 83--83
Andrew R. Boone High Voltage Research for Commercial Use 84--85
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 114--114
Anonymous Frontispiece: Newest Mechanisms for
Smashing Atoms . . . . . . . . . . . . . 116--116
Anonymous Editorials: Our Point of View . . . . . 121--121
F. D. McHugh \booktitleScientific American Digest:
Laboratory Earthquakes, Petroleum
Reservers, and more . . . . . . . . . . 144--165
Anonymous Current Bulletin Briefs . . . . . . . . 165--165
Anonymous Book Review: Books Selected by the
Editor . . . . . . . . . . . . . . . . . 166--170
Anonymous Personalities in Industry . . . . . . . 115--115
T. Swann Harding Vitamins Today . . . . . . . . . . . . . 117--120
John Henshaw Crider Death on Four Wheels . . . . . . . . . . 122--124
De Bary Kerston Testing Steels by Sparking . . . . . . . 125--125
G. H. Estabrooks Hypnotism . . . . . . . . . . . . . . . 126--128
William Benjamin West Power in the Wilderness . . . . . . . . 129--129
R. G. Skerrett Engineers Combat the Sea . . . . . . . . 130--132
Lawrence C. Porter Electrical Floriculture . . . . . . . . 133--135
Henry Norris Russell Minor Planets --- I . . . . . . . . . . 136--137
Philip H. Smith In Case of War . . . . . . . . . . . . . 138--141
Donald A. Laird Why Aren't More Women Athletes? . . . . 142--143
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 170--171
Anonymous Frontispiece: Way Down Under in a
Bauxite Mine . . . . . . . . . . . . . . 172--172
Anonymous Editorials: Our Point of View . . . . . 177--177
F. D. McHugh \booktitleScientific American Digest:
Treasure, Still a Puzzle, and more . . . 198--226
Anonymous Current Bulletin Briefs . . . . . . . . 227--229
Anonymous Book Review: Book Reviews . . . . . . . 230--231
Reginald M. Cleveland And Now, the Atlantic . . . . . . . . . 173--175
Anonymous Bridge Builder, Lawyer, Manufacturer:
Astronomers . . . . . . . . . . . . . . 176--176
Fred H. Albee Bone Surgery With Machine Tools . . . . 178--181
Captain Dache M. Reeves The Great Serpent Mount in Ohio . . . . 182--183
Henry Norris Russell Minor Planets --- II . . . . . . . . . . 184--185
Philip H. Smith Junk to you . . . . . . . . . . . . . . 186--188
Logan U. Reavis The Amazing Growth in the Use of Wood
Pulp . . . . . . . . . . . . . . . . . . 189--189
Anonymous Trisecting the Impossible . . . . . . . 190--191
Anonymous Can They Take It? . . . . . . . . . . . 192--193
Albert G. Ingalls Amateur Seismology . . . . . . . . . . . 194--195
R. G. Skerrett New Caissons Speed Work . . . . . . . . 196--196
Anonymous Energy from the Sun . . . . . . . . . . 197--197
Anonymous 50 Years Ago: 50 Years Ago In
\booktitleScientific American . . . . . 234--234
Anonymous Frontispiece: Tentative Sketch of the
200-Inch Telescope . . . . . . . . . . . 236--237
Anonymous Editorials: Our Point of View . . . . . 241--241
F. D. McHugh and
Alexander Klemin and
A. E. Buchanan, Jr. \booktitleScientific American Digest:
Lying-Down Spectacles, Shortage of
Coal-Tar Chemicals, and More . . . . . . 264--291
Anonymous Current Bulletin Briefs . . . . . . . . 292--293
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 294--295
Alexis Carrel Personalities in Science . . . . . . . . 235--235
George E. Hale The 200-Inch Telescope . . . . . . . . . 237--240
Russell F. Lord Do Hatchery Trout Go Wild? . . . . . . . 242--243
Philip H. Smith Cut Weight --- Cut Cost . . . . . . . . 244--247
Henry Norris Russell A Catastrophe That Did Not Happen . . . 248--249
Vladimir K. Zworykin Seeing in the Dark . . . . . . . . . . . 250--251
R. G. Skerrett A Modern Port for Bordeaux . . . . . . . 252--254
Anonymous Towing Tank . . . . . . . . . . . . . . 255--255
Jean Harrington The Mystery of the Neutrino . . . . . . 256--258
Anonymous The Capital Ship's Structural Defense 259--259
F. D. McHugh Fairbottom Bobs . . . . . . . . . . . . 260--261
James Montagnes Arctic Radium . . . . . . . . . . . . . 262--263
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 298--299
Anonymous Frontispiece: Infra$ \cdot $Red Reveals
New Beauties of Nature . . . . . . . . . 300--301
Anonymous Editorials: Our Point of View . . . . . 305--305
F. D. McHugh \booktitleScientific American Digest:
Electric Fly Killer, Wood Crops, and
More . . . . . . . . . . . . . . . . . . 328--355
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 356--357
Jotham Johnson The Road to Empire --- I . . . . . . . . 301--303
Paul Griswold Howes That Mantis Appetite . . . . . . . . . . 304--304
R. G. Skerrett A Mountainous Earthen Dam . . . . . . . 306--309
Albert G. Ingalls If You Smoke . . . . . . . . . . . . . . 310--313
Henry Norris Russell Some Remarkable Double Stars . . . . . . 314--315
John H. Sachs Why Faded Fabrics? . . . . . . . . . . . 316--318
L. F. Livingston Farm to Factory . . . . . . . . . . . . 319--319
Anonymous The Twelve Inch Club . . . . . . . . . . 320--321
Allan F. Bonnalie Training Pilots to Fly the Beam . . . . 322--324
C. E. Hagie Interglacial Man in America . . . . . . 325--325
Anonymous Erosion Control Checks Floods . . . . . 326--328
Anonymous Index to Volume 154, January--June, 1936 358--359
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 2--2
Gamble Kirkwood Personalities in Science . . . . . . . . 3--3
Anonymous Frontispiece: In a Valley of Noisy
Giants . . . . . . . . . . . . . . . . . 4--4
Anonymous Editorials: Our Point of View . . . . . 9--9
F. D. McHugh \booktitleScientific American Digest:
Pawnbroker's Microscope, Biologist
Produces a Unicorn, and more . . . . . . 30--52
Anonymous Current Bulletin Briefs . . . . . . . . 53--53
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 54--56
Philip H. Smith Breeding Machine Brains . . . . . . . . 5--8
Jotham Johnson The Road to Empire --- II . . . . . . . 10--11
J. Edgar Hoover Science at the Scene of Crime . . . . . 12--14
Anonymous High Efficiency From New Lamps . . . . . 15--15
Henry Norris Russell Are We Inside a Dark Nebula? . . . . . . 16--17
Andrew R. Boone High-Speed Paving for California
Aqueduct . . . . . . . . . . . . . . . . 18--19
G. H. Estabrooks Your Brain . . . . . . . . . . . . . . . 20--22
Sylvester J. Liddy Tracking Down Your Trade Mark Title . . 23--23
Sidney J. French Polar Molecules . . . . . . . . . . . . 24--25
R. G. Skerrett Arcs Cut Under Water . . . . . . . . . . 26--27
Laurence H. Snyder Strange Sensations . . . . . . . . . . . 28--29
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 58--59
Anonymous Frontispiece: Griffith Observatory and
Planetarium . . . . . . . . . . . . . . 60--60
Anonymous Editorials: Our Point of View . . . . . 65--65
F. D. McHugh \booktitleScientific American Digest: a
Steam-Driven Elephant, ``Rubber'' to New
Guinea, and more . . . . . . . . . . . . 90--116
Anonymous Current Bulletin Briefs . . . . . . . . 116--117
Harry N. Holmes Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 118--119
Alexander Klemin Are Modern Cars Safe? . . . . . . . . . 61--64
L. M. Lawson Stabilizing the Rio Grande . . . . . . . 66--68
Orson D. Munn A Weapon for Inventors . . . . . . . . . 69--69
Henry Norris Russell Granules of the Solar Photosphere . . . 70--71
Reginald M. Cleveland Aircraft Grow Larger . . . . . . . . . . 72--74
Anonymous Fighting Fungi with Fire . . . . . . . . 75--75
Sophie Wilds Bronze Age Blondes . . . . . . . . . . . 76--77
Robert H. Goddard Liquid-Propellant Rocket Development . . 78--79
Philip H. Smith Conditioned Air? . . . . . . . . . . . . 80--83
S. F. Aaron Misinterpreted Animal Observations . . . 84--87
Joseph Lynch Recent Progress in Earthquake Science 88--89
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 122--122
Frank Rattray Lillie Personalities in Science . . . . . . . . 123--123
Anonymous Frontispiece: The Black Widow's Mate is
Insignificant . . . . . . . . . . . . . 124--124
Anonymous Editorials: Our Point of View . . . . . 129--129
F. D. McHugh \booktitleScientific American Digest:
One Million Inches of Fine Ruling on
Glass, ``Leaping Lena'', and more . . . 152--181
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 182--184
Nelson W. M. Baker Calling on the Widow . . . . . . . . . . 125--127
Anonymous Nature's Seaplanes --- The Flying Fish 128--128
Stanley Casson Archeology from the Air . . . . . . . . 130--132
Philip H. Smith Who's a Good Driver? . . . . . . . . . . 133--136
Anonymous Photograph Contest Awards . . . . . . . 137--137
F. D. McHugh Horse and Buggy Bridges . . . . . . . . 138--141
Jean Harrington Up to Date on Cosmic Rays . . . . . . . 142--144
R. G. Skerrett Microscopic Big Books . . . . . . . . . 145--145
Henry Norris Russell Novae a Super-Novae . . . . . . . . . . 146--147
Robert H. Goddard Liquid-Propellant Rocket Development . . 148--151
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 186--187
Anonymous Frontispiece: Thunder of White Water at
Boulder Dam . . . . . . . . . . . . . . 188--188
Anonymous Editorials: Our Point of View . . . . . 195--195
F. D. McHugh \booktitleScientific American Digest:
Stopping Humming Birds' Wings, Gasoline
from Gas, and More . . . . . . . . . . . 216--245
Anonymous Current Bulletin Briefs . . . . . . . . 245--245
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 246--248
Commander W. Mack Angas Getting the Big Fellows Overboard . . . 189--194
Andrew R. Boone Coast Defense from the Air . . . . . . . 196--197
G H. Estabrooks The Mists of Madness . . . . . . . . . . 198--200
Albert G. Ingalls The Sun Reawakens . . . . . . . . . . . 201--201
J. Reid Moir Mystery Shafts of Ipswich . . . . . . . 202--203
Henry Norris Russell New Light on the Origin of the Planets 204--205
Anonymous Four Bridges in One . . . . . . . . . . 206--207
Hon Daniel C. Roper Our Merchant Marine to Be . . . . . . . 208--210
Anonymous America from the Air . . . . . . . . . . 211--211
Aubrey D. McFadyen Science Versus Magic . . . . . . . . . . 212--215
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 250--250
David Sarnoff Personalities in Industry . . . . . . . 251--251
Anonymous Frontispiece: How the Big 200-Inch
Telescope Will Look . . . . . . . . . . 252--252
Anonymous Editorials: Our Point of View . . . . . 259--259
F. D. McHugh \booktitleScientific American Digest:
How Do You Read?, Longest Gas Line, and
more . . . . . . . . . . . . . . . . . . 282--308
Anonymous Current Bulletin Briefs . . . . . . . . 309--309
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 310--312
C. S. McDowell As the 200-Inch Telescope Develops . . . 253--257
Theodore E. Obrig Invisible Lenses . . . . . . . . . . . . 258--258
Thornwell Jacobs Today --- Tomorrow . . . . . . . . . . . 260--262
Philip H. Smith Paper Progresses . . . . . . . . . . . . 262--265
Henry Norris Russell More About the New Lyttleton Theory of
Planetary Origin . . . . . . . . . . . . 266--267
T. Lee, Jr. Taking The Guesswork Out of Flying . . . 268--271
R. G. Skerrett An All-Belgian Canal . . . . . . . . . . 271--273
Andrew R. Boone New Aids for Criminology . . . . . . . . 274--276
Anonymous A Woman You Can See Through . . . . . . 277--277
Albert Ernest Jenks A Find that Did Not Ring True . . . . . 278--279
Frank A. Montgomery, Jr. Frog Farming . . . . . . . . . . . . . . 280--281
Anonymous 50 Years Ago: 50 Year Ago in
\booktitleScientific American . . . . . 314--315
Anonymous Frontispiece: Know them by their Front
Ends . . . . . . . . . . . . . . . . . . 316--316
Anonymous Editorials: Our Point of View . . . . . 321--321
F. D. McHugh \booktitleScientific American Digest:
Illuminated Magnifier, Improved Sulfur
Cements, and more . . . . . . . . . . . 342--370
Anonymous Current Bulletin Briefs . . . . . . . . 371--371
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 372--373
A. P. Peck Your 1937 Motor Car . . . . . . . . . . 317--320
Oscar Parkes British ``Mosquito Boats'' . . . . . . . 322--323
Francis P. Garvan Chemistry and the Farmer . . . . . . . . 324--327
Henry Norris Russell Reflection Nebulae . . . . . . . . . . . 328--329
John Henshaw Crider Speed with Ease . . . . . . . . . . . . 330--332
Anonymous Checking up on Hurricanes . . . . . . . 333--333
Philip H. Smith The New in Heating . . . . . . . . . . . 334--336
R. G. Skerrett Underpinning Trinity . . . . . . . . . . 337--337
S. F. Aaron Nature's Airplanes . . . . . . . . . . . 338--339
Jotham Johnson The Beginnings of Pottery . . . . . . . 340--341
Anonymous Index to Volume 155, July--December,
1936 . . . . . . . . . . . . . . . . . . 374--375
Anonymous 50 Years Ago: 50 Years Ago in \ldots
\booktitleScientific American . . . . . 2--2
Anonymous Frontispiece: Sacred Scavengers Now
Resourceful Engineers . . . . . . . . . 4--5
Anonymous Editorials: Our Point of View . . . . . 11--11
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
Australia Claims Oldest Live Thing,
Telepathy's Reality, and more . . . . . 30--59
Orson D. Munn Legal High-Lights: a Bill Worth
Watching, Be Discriminating when you
Discriminate, and more . . . . . . . . . 60--60
Anonymous Current Bulletin Briefs . . . . . . . . 61--61
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 62--63
L. Warrington Chubb Personalities in Research . . . . . . . 3--3
O. J. Todd China's Ol' Man River . . . . . . . . . 5--9
Anonymous Archeologist's Puzzle . . . . . . . . . 10--10
Philip H. Smith Broiler Factories . . . . . . . . . . . 12--13
Henry Norris Russell Rotating Rocks . . . . . . . . . . . . . 14--15
Andrew R. Boone Movie Cartoons in color . . . . . . . . 16--17
G. H. Estabrooks Ourselves and the Feeble-Minded . . . . 18--19
Sidney J. French Indium --- a Metal Aristocrat . . . . . 20--21
Harry Pelham Robbins Fish and Physicians . . . . . . . . . . 22--25
F. D. McHugh Status of World Navies . . . . . . . . . 25--26
Anonymous World's Longest Bridge Now Open . . . . 26--27
P. A. Young Oil Emulsions that Act Alive . . . . . . 28--30
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 66--67
Anonymous Frontispiece: This Age of
Transportation-Frontispiece . . . . . . 68--68
Anonymous Editorials: Our Point of View . . . . . 72--72
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
Huge ``Ice-Pack'' Saves Dam, Newsprint,
and more . . . . . . . . . . . . . . . . 103--140
Orson D. Munn Legal High-Lights: Whose Name?, Paper
Patents, and more . . . . . . . . . . . 141--141
Anonymous Book Review: Books Selected by the
Editors: \booktitleThe Art of
Conversation . . . . . . . . . . . . . . 142--142
Walter P. Chrysler The Rôle of the Automobile . . . . . . . 69--71
Kermit Roosevelt Down to the Sea . . . . . . . . . . . . 73--75
Henry Norris Russell A Relativistic Eclipse . . . . . . . . . 76--77
Reginald M. Cleveland The Rise of Air Transportation . . . . . 78--80
J. J. Pelley Progress on Rails . . . . . . . . . . . 81--83
R. Broom Further Light on Man's Ancestry . . . . 84--85
Alfred H. Swayne Highways Up-To-Date . . . . . . . . . . 86--88
I. B. Babcock Twelve Years of Motor Coaches . . . . . 89--91
T. Swann Harding The Healing Maggot . . . . . . . . . . . 92--93
Philip H. Smith After Cars Come Trailers . . . . . . . . 94--96
G. H. Estabrooks Sense and Nonsense in Sensations . . . . 97--99
Ira N. Gabrielson Floods and Wild Life . . . . . . . . . . 100--102
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 146--146
Carl D. Anderson Personalities in Science . . . . . . . . 147--147
Anonymous Frontispiece: an Intriguing Problem of
Science and History . . . . . . . . . . 148--148
Anonymous Editorials: Our Point of View . . . . . 153--153
Anonymous \booktitleScientific American Digest:
Drilling Rigs on Truck Chassis, Ice Bug,
and more . . . . . . . . . . . . . . . . 174--204
Anonymous Current Bulletin Briefs . . . . . . . . 204--204
Anonymous Legal High-Lights: Trade Marks ---
Second Hand, Expanding Symbols, and more 205--205
Anonymous Book Review: Books Selected by the
Editors: \booktitlePhysics of the Home 206--208
Roy Chapman Andrews Consider the Dinosaur . . . . . . . . . 149--152
John Frazier Vance What Brings Them Home? . . . . . . . . . 154--157
Walton L. Robinson America's Heavy Cruisers . . . . . . . . 158--160
C. A. Robinson 52-Year-Old Fire Fought by WPA . . . . . 161--161
Paul Vignon and
Edward A. Wuenschel The Problem of the Holy Shroud . . . . . 162--164
Anonymous Tubular Frame --- Rear Engine . . . . . 165--165
Henry Norris Russell The Analysis of the Sun . . . . . . . . 166--167
Andrew R. Boone Rock-Fill Dam for Flood Control . . . . 168--169
Herbert E. Hayden Enlarge --- Print --- Retouch . . . . . 170--173
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 210--211
Anonymous Frontispiece: Rigging Out the Starboard
Gangway . . . . . . . . . . . . . . . . 212--212
Anonymous Editorials: Our Point of View . . . . . 216--216
Anonymous \booktitleScientific American Digest:
Smoke Out Thieves, Skin Writing, and
more . . . . . . . . . . . . . . . . . . 242--274
Anonymous Current Bulletin Briefs . . . . . . . . 275--275
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 276--278
Anonymous Legal High-Lights: Design for Dying, Sky
High, and more . . . . . . . . . . . . . 279--280
Clennie E. Bailey Immunity for the Witness . . . . . . . . 213--215
Walton L. Robinson The Battleship Returns . . . . . . . . . 217--219
Henry Norris Russell The Population of Interstellar Space . . 220--221
Edward C. Schmidt More Efficient Locomotives . . . . . . . 222--225
Paul H. Kirkpatrick Unscientific Measurement in Athletics 226--228
R. G. Skerrett Improved Shore Defenses . . . . . . . . 229--229
Philip H. Smith Polygamous Molybdenum . . . . . . . . . 230--233
T. Swann Harding What is Life? . . . . . . . . . . . . . 234--236
Anonymous Snake Dance Secret Bared . . . . . . . . 237--237
P. F. Valentine What is Personality? . . . . . . . . . . 238--239
Anonymous Weather Data by Radio from Captive
Balloons . . . . . . . . . . . . . . . . 240--241
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 282--282
Thomas Midgely, Jr. Personalities in Science . . . . . . . . 283--283
Anonymous Frontispiece: Looking North Across the
Golden Gate . . . . . . . . . . . . . . 284--284
Anonymous Editorials: Our Point of View . . . . . 289--289
Anonymous Astronomy: Amateur Astronomers Active in
Philadelphia . . . . . . . . . . . . . . 297--297
Jotham Johnson Archeology: Archeological Outlines in
Prehistoric Persia . . . . . . . . . . . 308--310
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
70,000 Clocks Adjusted Free, Strong, and
more . . . . . . . . . . . . . . . . . . 314--346
Anonymous Current Bulletin Briefs . . . . . . . . 347--347
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 348--350
Orson D. Munn Legal High-Lights: Bank Night,
Cartography, and more . . . . . . . . . 351--351
Charles F. Kettering Research and Industry . . . . . . . . . 285--288
Wilson Chamberlain Backstage at the Zoo . . . . . . . . . . 290--291
Henry Norris Russell The Search for Exceptional Stars . . . . 292--293
Reginald M. Cleveland Air Transport Looks Aloft . . . . . . . 294--296
Philip H. Smith Highway Freighters . . . . . . . . . . . 298--300
Anonymous How Big is a Bridge? . . . . . . . . . . 301--301
Anonymous Paris Prepares for Gas . . . . . . . . . 302--303
Barclay Moon Newman The Smooth Slide up to Life . . . . . . 304--306
Albert G. Ingalls Your House May have Termites . . . . . . 307--307
Mary Brandel Hopkins Glued Arches . . . . . . . . . . . . . . 311--311
S. F. Aaron Animal Technicians . . . . . . . . . . . 312--313
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 354--355
Anonymous Editorials: Our Point of View . . . . . 361--361
Anonymous \booktitleScientific American Digest:
Musical Refrigerators, Longest Total
Eclipse of Sun in 1200 Years, and more 384--415
Anonymous Current Bulletin Briefs . . . . . . . . 416--416
Anonymous Legal High-Lights: Belligerent Trolley
Car, Futile Utility, and more . . . . . 417--417
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 418--419
Anonymous Index to Volume 156, January--June, 1937 420--423
Anonymous Taku Glacier Discharging into an Arm of
the Pacific . . . . . . . . . . . . . . 356--356
G. H. Estabrooks Me and My Dog . . . . . . . . . . . . . 357--360
Andrew R. Boone Minute Men of the Fire Line . . . . . . 362--363
R. G. Skerrett Denmark Bridges . . . . . . . . . . . . 364--366
Anonymous Safety in Industry . . . . . . . . . . . 367--367
Henry Norris Russell Youth and Age in the Heavens . . . . . . 368--369
Thomas Hayes Jaycox Scientific Detection . . . . . . . . . . 370--373
Jotham Johnson Writien with the Archeologist's Spade 374--376
Albert G. Ingalls Homalodotherium for short . . . . . . . 377--377
Philip H. Smith Fences, Bridges, Zippers . . . . . . . . 378--381
S. F. Aaron Legs . . . . . . . . . . . . . . . . . . 382--383
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 2--2
W. F. G. Swann Personalities in Science . . . . . . . . 3--3
Anonymous Frontispiece: a Family of Guereza
Monkeys from Ethiopia . . . . . . . . . 4--4
Anonymous Editorials: Our Point of View . . . . . 9--9
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
``Plug-in'' Instruments to Aid
Industrial Use, Safe, Silent, Personal
Electric Fan, and more . . . . . . . . . 32--59
Anonymous Current Bulletin Briefs . . . . . . . . 60--60
Orson D. Munn Legal High-Lights: Processed Product,
Full of Holes, and more . . . . . . . . 61--61
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 62--63
Morris Fishbein Knowing vs. Guessing in Medicine . . . . 5--8
Andrew R. Boone More Game . . . . . . . . . . . . . . . 10--11
Henry Norris Russell The Fuel of the Stars . . . . . . . . . 12--13
Reginald M. Cleveland More Horses in the Air . . . . . . . . . 14--17
John A. Maloney Radium --- Nature's Oddest Child . . . . 18--20
Anonymous Locomotives Abroad . . . . . . . . . . . 21--21
Walton L. Robinson The Submarine in the Next War . . . . . 22--24
Anonymous Textile Glass . . . . . . . . . . . . . 25--25
Anonymous Research by Partnerships . . . . . . . . 26--27
Mary Brandel Hopkins Sherlock Holmes of the Forests . . . . . 28--29
S. F. Aaron Is Nature Kind? . . . . . . . . . . . . 30--31
Anonymous 50 Years Ago: 50 Years Ago in \ldots
\booktitleScientific American . . . . . 66--67
Anonymous Frontispiece: The Big Telescope Disk ---
Preliminary Hand Work . . . . . . . . . 68--69
Anonymous Editorials: Our Point of View . . . . . 73--73
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer Of General Interest: Cutting The Jonker,
and More . . . . . . . . . . . . . . . . 94--122
Anonymous Current Bulletin Briefs . . . . . . . . 123--124
Orson D. Munn Legal High-Lights: Too Warm, and More 125--125
Thomas Kearny Book Review: General Philip Kearny . . . 126--127
Philip H. Smith Design for Sales . . . . . . . . . . . . 69--72
D. Cecilrife Twins . . . . . . . . . . . . . . . . . 74--76
Anonymous The 200-Inch Telescope Mirror Disk Under
Initial Work . . . . . . . . . . . . . . 77--77
Henry Norris Russell Old Problem --- New Progress . . . . . . 78--79
S. T. Bledsoe Rail Freight's Modern Tempo . . . . . . 80--82
John A. Maloney Radium --- Nature's Oddest Child . . . . 83--85
Anonymous Pyramid Temple . . . . . . . . . . . . . 86--88
Darwin Vexler The Endocrine Brain . . . . . . . . . . 89--91
T. Swann Harding The Persistence of Life . . . . . . . . 92--93
Anonymous A. Russell Bond . . . . . . . . . . . . 95--95
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 130--130
Irving Langmuir Personalities in Science . . . . . . . . 131--131
Anonymous Frontispiece: Mars as the Expert Draws
it . . . . . . . . . . . . . . . . . . . 132--132
Anonymous Editorials: Our Point of View . . . . . 137--137
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
America's Cup Defender ``Ranger'',
Rubber, and more . . . . . . . . . . . . 162--188
Anonymous Legal High-Lights: Inventive Adaptation,
Protected Plans, and more . . . . . . . 189--189
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 190--190
E. A. Speiser New Finds at Tepe Gawra . . . . . . . . 133--136
Alexander Maxwell Tailored Radio Waves . . . . . . . . . . 138--141
Henry Norris Russell The New Martian Puzzle . . . . . . . . . 142--143
R. G. Skerrett Finishing the All-American Canal . . . . 144--146
Mary Brandel Hopkins Pre-Certified Lumber . . . . . . . . . . 147--147
Joha A. Maloney Radium --- Nature's Oddest Child . . . . 148--150
Anonymous Banking by Automobile . . . . . . . . . 151--151
Anonymous Health Aspects of Air Conditioning . . . 152--155
Walton L. Robinson Status of the Carrier . . . . . . . . . 156--158
Anonymous Monolithic Shell Roof . . . . . . . . . 159--159
S. F. Aaron The Fallacy of Fighting Flies . . . . . 160--162
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 194--195
Anonymous Frontispiece: a Gyrating Headlight for
Safety's Sake . . . . . . . . . . . . . 196--196
Anonymous Editorials: Our Point of View . . . . . 201--201
Anonymous \booktitleScientific American Digest:
Comfort to Kneeling Church-Goers,
Building from the Roof Down, and more 224--252
Anonymous Legal High-Lights: Hamburger Castles,
Scientific Discoveries, and more . . . . 253--253
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 254--255
Paul Popenoe Introverts and Extraverts . . . . . . . 197--200
Philip H. Smith Mass Power . . . . . . . . . . . . . . . 202--205
General J. G. Harbord Peace-Time Preparedness . . . . . . . . 206--207
Henry Norris Russell As Others Would See Us . . . . . . . . . 208--209
Anonymous Rivers In Exact Miniature . . . . . . . 210--211
John A. Maloney Radium --- Nature's Oddest Child . . . . 212--215
R. T. Griebling For Floodless Stores . . . . . . . . . . 216--217
Barclay Moon Newman The Mystery of the Life Elements . . . . 218--220
Anonymous A Stage on Wheels . . . . . . . . . . . 221--221
T. Swann Harding A Purgation of Purgatives . . . . . . . 222--224
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 258--258
Anonymous Frontispiece: Astronomy from Above the
Earth's Atmosphere . . . . . . . . . . . 260--261
Anonymous Editorials: Our Point of View . . . . . 265--265
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
How Hot is Hot Enough?, Chromium, and
more . . . . . . . . . . . . . . . . . . 286--313
Anonymous Current Bulletin Briefs . . . . . . . . 314--315
Anonymous Legal High-Lights: Without License,
Interstate Price Fixing, and more . . . 315--315
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 317--319
Frank Conrad Personalities in Industry . . . . . . . 259--259
Elbridge J. Casselman Science Turns to Shaving . . . . . . . . 261--264
Ambrose Lansing and
William C. Ra-Mose and Hat-Nufer . . . . . . . . . 266--268
Anonymous The Batteries Near Gibraltar . . . . . . 269--269
H. Stevens Coal-Coking by Electricity . . . . . . . 270--272
Anonymous The Electrical Shotgun . . . . . . . . . 273--273
Henry Norris Russell Radiation Pressure . . . . . . . . . . . 274--275
Harlan T. Stetson Weather and Sunspots . . . . . . . . . . 276--279
A. J. Wadhams Platinum in Overalls . . . . . . . . . . 280--282
S. F. Aaron Speed Awing . . . . . . . . . . . . . . 283--286
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 324--324
Anonymous Editorials: Our Point of View . . . . . 335--335
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
Foundation Exploration With 36-Inch
Drills, Polarizing Material, and more 350--378
Anonymous Current Bulletin Briefs . . . . . . . . 379--380
Orson D. Munn Legal High-Lights: Patent Injunctions,
Shredded Wheat, and more . . . . . . . . 381--381
J. B. Rhine Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 382--383
Anonymous Automatic Landing for Airplanes . . . . 326--326
Bob Johnson Air Transportation . . . . . . . . . . . 327--330
Anonymous As the Camera Sees It . . . . . . . . . 331--331
Ambrose Lansing and
William C. Hayes Ra-Mose and Hat-Nufer . . . . . . . . . 332--334
Henry Norris Russell The Rotation of Our Galaxy . . . . . . . 336--337
Anonymous Railroad Rails by the Mile . . . . . . . 338--339
G. H. Estabrooks They Shall Not Pass . . . . . . . . . . 340--342
Anonymous On Your 1938 Car . . . . . . . . . . . . 343--343
Barclay Moon Newman The New Heavy Nitrogen . . . . . . . . . 344--346
Philip H. Smith New Tires for Old . . . . . . . . . . . 347--349
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 2--2
Anonymous Frontispiece: Welding Does its Biggest
Marine Job . . . . . . . . . . . . . . . 4--4
Anonymous Editorials: Our Point of View . . . . . 9--10
Anonymous \booktitleScientific American Industrial
Digest: Adjustable Electrical Magnifier,
Progress and Peace, and more . . . . . . 30--59
Anonymous Current Bulletin Briefs . . . . . . . . 59--60
Anonymous Legal High-Lights: Strict Construction,
Interchangeable, and more . . . . . . . 61--61
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 62--64
Anonymous Personalities in Industry . . . . . . . 3--3
Ira N. Gabrielson What Can We Do About Our Rare and
Vanishing Species? . . . . . . . . . . . 5--8
R. G. Skerrett In Out Through New York . . . . . . . . 10--13
Ambrose Lansing and
William C. Hayes Ra-Mose and Hat-Nufer . . . . . . . . . 14--16
Anonymous Photographing Traffic From the Air . . . 17--17
Anonymous A Plastic Born . . . . . . . . . . . . . 18--19
Henry Norris Russell The Nearest Stars . . . . . . . . . . . 20--21
Frederick Tisdale Headache Headquarters . . . . . . . . . 22--24
Harold Chamberlin Floated on Mud . . . . . . . . . . . . . 25--25
John F. McMahon What to do About Dust? . . . . . . . . . 26--27
T. Swann Harding Chemotherapy and Prontosil . . . . . . . 28--39
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 66--67
Anonymous Frontispiece: Trend of Design in
Aircraft Carriers . . . . . . . . . . . 68--68
Anonymous Editorials: Our Point of View . . . . . 73--74
Anonymous \booktitleScientific American Digest:
Portable Brinell Tester, no Lyin, and
more . . . . . . . . . . . . . . . . . . 92--111
Anonymous Camera Angles: Your Camera Lens, the
Contest is Over, and over . . . . . . . 112--119
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 120--123
Anonymous Current Bulletin Briefs . . . . . . . . 124--124
Anonymous Legal High-Lights: Still Fighting . . . 125--125
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 126--127
Homer S. Burns An Industry on Stilts . . . . . . . . . 69--71
John S. Macclary Dinosaur Trails of Purgatory . . . . . . 72--72
Paul Popenoe The Paranoid Personality . . . . . . . . 74--77
Sidney J. French The Science of Alloy Building . . . . . 78--80
Anonymous Oil Heat Saves Fruit . . . . . . . . . . 81--81
A. P. Peck A Clipper Ship is Built . . . . . . . . 82--83
Henry Norris Russell Pulsating Stars . . . . . . . . . . . . 84--85
Morris Fishbein Harmonious Hormones . . . . . . . . . . 86--87
Senator Royal S. Copeland Protection for the Public . . . . . . . 88--89
Edward J. Ryan Identification by the Teeth . . . . . . 90--91
Anonymous First Prize . . . . . . . . . . . . . . 114--116
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 130--130
Anonymous Frontispiece: a Fortress of Science on a
Mountain Peak . . . . . . . . . . . . . 132--132
Anonymous Editorials: Our Point of View . . . . . 137--137
Anonymous \booktitleScientific American Digest:
6000 Years Hence, Cane, and more . . . . 158--177
Jacob Deschin Camera Angles: The Setting Sun, Speed
Films and the Meter, and more . . . . . 178--183
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 184--188
Anonymous Current Bulletin Briefs . . . . . . . . 188--188
Orson D. Munn Legal High-Lights: Corporation Licenses,
Caveat Vendor, and more . . . . . . . . 189--189
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 190--194
Linus Pauling Personalities in Science . . . . . . . . 131--131
Keith C. Barrons Streamlined Plants . . . . . . . . . . . 133--136
Barclay Moon Newman Enzymes: Keys to Life and Death . . . . 138--140
Mary Brandel Hopkins Wood Grown to Order . . . . . . . . . . 141--141
Henry Norris Russell New Astronomical Advances . . . . . . . 142--143
Rufus Suter China and Modern Science . . . . . . . . 144--145
A. P. Peck A Motor-Car Engine Takes Form . . . . . 146--147
Philip H. Smith Camera Engraving . . . . . . . . . . . . 148--150
Anonymous Aircraft have Influenced Warship Design 151--151
Sidney J. French The Science of Alloy Building . . . . . 152--155
Allen B. Dumont Electricity Paints a Picture . . . . . . 156--158
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 194--195
Anonymous Frontispiece: Molten Strength and Light
Weight . . . . . . . . . . . . . . . . . 196--196
Anonymous Editorials: Our Point of View . . . . . 201--201
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
Electrical Sense of Balance, Refinement,
and more . . . . . . . . . . . . . . . . 222--239
Jacob Deschin Camera Angles: Exercise in Lighting, The
Leica Camera Gun, and more . . . . . . . 240--245
Anonymous Camera Angles Round Table . . . . . . . 246--247
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 248--251
Anonymous Current Bulletin Briefs . . . . . . . . 252--252
Orson D. Munn Legal High-Lights: Price Cutting,
Outside the Pale, and more . . . . . . . 253--253
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 254--255
A. K. Gaetjens Industry Needs More Light . . . . . . . 197--200
E. A. Speiser New Light on the Sumerians . . . . . . . 202--204
Anonymous Trees on a Salty Isle . . . . . . . . . 205--205
Henry Norris Russell The Odd New-Old Star . . . . . . . . . . 206--207
M. K. Elwood Power from Bacteria . . . . . . . . . . 208--209
A. P. Peck From Steel to Streamliner . . . . . . . 210--211
Reginald M. Cleveland The Diesel Broadens Its Field . . . . . 212--214
Anonymous The `Fourth Transcontinental' . . . . . 215--215
A. S. Eve Northern Lights . . . . . . . . . . . . 216--218
Barclay Moon Newman Can Man Create Life? . . . . . . . . . . 219--221
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 258--258
Vincent Bendix Personalities in Industry . . . . . . . 259--259
Anonymous Frontispiece: High Finish on a Disk at
High Speed . . . . . . . . . . . . . . . 260--261
Anonymous Editorials: Our Point of View . . . . . 265--265
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
Giant Strip Mill, Binocular Magnifier,
and more . . . . . . . . . . . . . . . . 286--301
Jacob Deschin Camera Angles: The Wide-Angle Lens,
Theme Competition, and more . . . . . . 302--309
Anonymous Camera Angles Round Table . . . . . . . 310--311
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 312--315
Anonymous Current Bulletin Briefs . . . . . . . . 316--317
Orson D. Munn Legal High-Lights: Light but Strong,
Reversal, and more . . . . . . . . . . . 317--317
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 318--319
Herbert F. Gough Flood Forecasting . . . . . . . . . . . 261--264
Philip H. Smith Grits for Grinding . . . . . . . . . . . 266--269
G. Edward Pendray Number One Rocket Man . . . . . . . . . 270--272
Johns Harrington Soon to be Flooded . . . . . . . . . . . 273--273
A. P. Peck Cellophane is Born . . . . . . . . . . . 274--275
A. L. White Chemistry's Newest Sleuth . . . . . . . 276--277
Barclay Moon Newman Insulin for Schizophrenia . . . . . . . 278--279
Frank A. Montgomery Starch from the Sweet Potato . . . . . . 280--281
Henry Norris Russell A Great Work Completed . . . . . . . . . 282--283
John H. Crider Unpuzzling Color . . . . . . . . . . . . 284--285
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 322--323
Anonymous Frontispiece: Men in White Under
Ultra-Violet . . . . . . . . . . . . . . 324--324
Anonymous Editorials: Our Point of View . . . . . 329--329
F. D. McHugh \booktitleScientific American Digest:
Flame Softening of Flame-Cut Steel,
Lamps, and more . . . . . . . . . . . . 348--363
Jacob Deschin Camera Angles: High Film Speeds and the
New Season, Developing Filmpacks, and
more . . . . . . . . . . . . . . . . . . 364--371
Anonymous Camera Angles Round Table . . . . . . . 372--373
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 374--378
Anonymous Current Bulletin Briefs . . . . . . . . 378--378
Orson D. Munn Legal High-Lights: Real Teeth, Lyrical
Mind, and more . . . . . . . . . . . . . 379--379
Anonymous Book Review: Books selected by the
Editors . . . . . . . . . . . . . . . . 380--381
R. G. Skerrett Farms for the Everglades . . . . . . . . 325--327
J. B. Rhine Esp . . . . . . . . . . . . . . . . . . 328--328
T. Swann Harding But Can You Eat Onions? . . . . . . . . 330--332
Anonymous Unconventional Aquaria . . . . . . . . . 333--333
Anonymous Home Newspapers by Radio . . . . . . . . 334--335
Barclay Moon Newman Giant Molecules: The Machinery of
Inheritance . . . . . . . . . . . . . . 336--337
A. P. Peck ``America Calling'' . . . . . . . . . . 338--339
Sidney J. French Personalities of the Elements . . . . . 340--342
Anonymous Shark Shooting for Sport . . . . . . . . 343--343
F. D. McHugh Sterilizing with Light . . . . . . . . . 344--345
Henry Norris Russell Some Astronomical Finds . . . . . . . . 346--347
Anonymous Index to Volume 158, January--June, 1938 382--384
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 2--2
Paul Dyer Merica Personalities in Industry . . . . . . . 3--3
Anonymous Frontispiece: Night Safety Achieved with
Buttons . . . . . . . . . . . . . . . . 4--5
Anonymous Editorials: Our Point of View . . . . . 8--8
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
Night Safety, Last Word in Welders, and
more . . . . . . . . . . . . . . . . . . 28--39
Jacob Deschin Camera Angles: On Carrying a Camera, The
Miniature Camera's Rise to Fame, and
more . . . . . . . . . . . . . . . . . . 40--46
Anonymous Camera Angles Round Table . . . . . . . 47--48
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 49--49
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 50--54
Anonymous Current Bulletin Briefs . . . . . . . . 54--55
Orson D. Munn Legal High-Lights: Hybrid Patents, One
Minute, and more . . . . . . . . . . . . 55--55
R. W. Crum Who have the Highway Accidents? . . . . 5--7
Jonas H. Ingram An Air-Minded First Line of Defense . . 9--11
Henry Norris Russell The Coolest Stars . . . . . . . . . . . 12--13
Keith C. Barrons Modern Plant 'Wizardry' . . . . . . . . 14--17
A. P. Peck Miracles from Marbles . . . . . . . . . 18--20
Jean Harrington And Now the X-Particle . . . . . . . . . 20--22
Anonymous Shasta Dam . . . . . . . . . . . . . . . 23--23
Raymond F. Yates Aluminum Can Be Plated . . . . . . . . . 24--25
Edith M. Stern Out Where the Vets Begin . . . . . . . . 26--28
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 58--59
Anonymous Frontispiece: an Unprecedentedly Large
Piece of Fine Mechanism . . . . . . . . 60--60
Anonymous Editorials: Our Point of View . . . . . 65--65
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
Largest Quartz Crystal, Flame Tailoring,
and more . . . . . . . . . . . . . . . . 83--95
Jacob Deschin Camera Angles: Color for All, Prize
Winners in Our, and more . . . . . . . . 96--102
Anonymous Camera Angles Round Table . . . . . . . 103--104
Anonymous Book Review: Books Selected by the
Editor . . . . . . . . . . . . . . . . . 105--105
Albert G. Ingalls Telescoptics: a Monthly Department for
the Amateur Telescope Maker . . . . . . 106--110
Anonymous Current Bulletin Briefs . . . . . . . . 110--111
Orson D. Munn Legal High-Lights: Gin and Milk,
Double-Edged, and more . . . . . . . . . 111--111
Wilton Marion Krogman The Skeleton Talks . . . . . . . . . . . 61--64
Anonymous The Japanese Navy at a Glance . . . . . 66--67
C. S. McDowell The 200-inch Telescope . . . . . . . . . 68--71
Paul H. Wilkinson Helium --- Hope of the Airship . . . . . 72--73
Henry Norris Russell Diffuse Nebulae . . . . . . . . . . . . 74--75
Roger William Riis Scales of Industry . . . . . . . . . . . 76--79
P. W. Bridgman Properties of Matter Under High Pressure 80--82
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 114--114
Charles R. Hook Personalities in Industry . . . . . . . 115--115
Anonymous Frontispiece: Bringing the Sun Indoors 116--116
Anonymous Editorials: Our Point of View . . . . . 121--121
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
Making Money out of Roads, Pipe-Line
Tracer, and more . . . . . . . . . . . . 139--151
Jacob Deschin Camera Angles: Action Picture Time,
Prize Winners in our ``Work''
Competition, and more . . . . . . . . . 152--158
Anonymous Camera Angles Round Table . . . . . . . 159--160
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 161--161
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 162--165
Anonymous Current Bulletin Briefs . . . . . . . . 166--166
Orson D. Munn Legal High-Lights: Illegal Brokerage,
Where There's Smoke, and more . . . . . 167--167
Paul H. Wilkinson Diesels in the Air . . . . . . . . . . . 117--119
Albert G. Ingalls Slicing and Polishing Meteorites . . . . 120--120
Philip H. Smith Boards from Fiber . . . . . . . . . . . 122--124
Clyde Mitchell Planting for Economy . . . . . . . . . . 125--125
Henry Norris Russell How Hot is the Sun? . . . . . . . . . . 126--128
D. B. Steinman A Bridge of Peace . . . . . . . . . . . 128--129
Frances P. Shepard The Enigma of the Submarine Canyons . . 130--132
William H. Adolph Vegetarian China . . . . . . . . . . . . 133--135
Daulton Mann Turning 'Em Around . . . . . . . . . . . 136--138
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 170--171
Anonymous Frontispiece: Man-Made Cataracts for
Fish Hurdlers . . . . . . . . . . . . . 172--172
Anonymous Editorials: Our Point of View . . . . . 177--177
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
Instrument Measures Musical Frequencies,
Bonnet Protects Giant Bearing, and more 194--207
Jacob Deschin Camera Angles: a Record of Growth . . . 208--214
Anonymous Camera Angles Round Table: Question
Answered for the Amateur Photographer 215--216
Anonymous Book Review: Books Reviews . . . . . . . 217--217
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 218--222
Orson D. Munn Legal High-Lights: Linguists . . . . . . 222--222
Arthur E. Oxley Death from the Sky? . . . . . . . . . . 173--175
Douglas W. F. Mayer The X-Particle's New Brother . . . . . . 176--176
Anonymous Man-Made Diamonds . . . . . . . . . . . 178--179
Henry Norris Russell Alpha Ursae Majoris . . . . . . . . . . 180--181
R. G. Skerrett Fish Over a Dam . . . . . . . . . . . . 182--185
Barclay Moon Newman Electrical Rhythms of the Human Brain 186--188
Jotham Johnson The Quest of Helen . . . . . . . . . . . 189--191
Alexander Maxwell Floods Give Fair Warning . . . . . . . . 192--194
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 227--227
Anonymous Frontispiece: Sparks, Steam, Splinters 228--229
Anonymous Editorials: Our Point of View . . . . . 233--233
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
Booth Air, Torpedo Turns Around, and
more . . . . . . . . . . . . . . . . . . 250--263
Jacob Deschin Camera Angles: Seeing Double, Those
Vacation Shots . . . . . . . . . . . . . 264--270
Anonymous Camera Angles Round Table . . . . . . . 271--272
Anonymous Book Reviews . . . . . . . . . . . . . . 273--273
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 274--278
Anonymous Current Bulletin Briefs . . . . . . . . 278--278
Orson D. Munn Legal High-Lights: Copyrighted Moving
Pictures, Martha Washington, and more 279--279
Phil Dickinson To Stop Desert Encroachment . . . . . . 229--231
David S. Youngholm A Legacy for 6939 A.D. . . . . . . . . . 232--232
Anonymous The Italian Navy at a Glance . . . . . . 234--235
Barclay Moon Newman Electrical Rhythms of the Human Brain 236--238
Arthur David The Big Concretions of Ohio . . . . . . 239--239
Henry Norris Russell Artificial Eclipses . . . . . . . . . . 240--241
F. D. McHugh Machines Pick Cotton, But . . . . . . . 242--245
P. M. S. Blackett Cosmic Radiation . . . . . . . . . . . . 246--249
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 282--282
Anonymous Frontispiece: To Benefit by a Great Dam 284--284
Anonymous Editorials: Our Point of View . . . . . 289--289
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
Tractor for Comfort, Specialists Should
Advise on Hearing Aids, and more . . . . 306--321
Jacob Deschin Camera Angles: The Focal Point,
17,000,000 Camera Shooters and more . . 322--331
Anonymous Camera Angles Round Table . . . . . . . 332--333
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 336--339
Anonymous Current Bulletin Briefs . . . . . . . . 340--340
Orson D. Munn Legal High-Lights: Detective Stories,
Procrastination, and more . . . . . . . 341--341
Barclay Moon Newman Must We Grow Old? . . . . . . . . . . . 285--288
Joseph Lynch The Earth's Pulse . . . . . . . . . . . 290--292
Anonymous Indian Petroglyphs Idle Scribblings? . . 293--293
Henry Norris Russell Inside the Great Planets . . . . . . . . 294--295
R. G. Skerrett Grand Coulee Progresses . . . . . . . . 296--299
E. E. LeVan Tools Must Be Fit . . . . . . . . . . . 300--301
E. U. Condon Making New Atoms in the Laboratory . . . 302--304
Anonymous Direct Current Super-Power . . . . . . . 305--305
Anonymous Index to Volume 159, July--December,
1938 . . . . . . . . . . . . . . . . . . 342--343
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 3--3
Anonymous Frontispiece: Two Bullets from the Same
Gun? . . . . . . . . . . . . . . . . . . 4--4
C. F. Greeves-Carpenter Plants by Liquid Culture . . . . . . . . 5--7
Anonymous Editorials: Our Point of View . . . . . 9--9
Anonymous \booktitleScientific American Digest:
Danger in Low Voltage Electric Shock,
Microscope Lens: Planachromat, and more 28--45
Anonymous Camera Angles: Picture-Making by
Enlargement, World's Fair Pictures, and
more . . . . . . . . . . . . . . . . . . 48--54
Anonymous Camera Angles Round Table . . . . . . . 55--56
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 57--57
Albert G. Ingalls Telescoptics: a Monthly Department for
the Amateur Telescope Maker . . . . . . 58--62
Anonymous Current Bulletin Briefs . . . . . . . . 62--63
Orson D. Munn Legal High-Lights: Shredded Wheat . . . 63--63
Robert B. Taft Radium Hounds . . . . . . . . . . . . . 8--8
Harold C. Shepstone The Conquest of the Dead Sea . . . . . . 10--12
Anonymous More than One Man's Fun . . . . . . . . 13--13
Henry Norris Russell The Image-Slicer . . . . . . . . . . . . 14--15
R. N. Traxler Everything Flows . . . . . . . . . . . . 16--18
Paul M. Tyler Mineral Waste Reduced . . . . . . . . . 19--21
J. Edgar Hoover Tales the Bullet Tells . . . . . . . . . 22--23
Anonymous Steel in the Theme . . . . . . . . . . . 24--25
Andrew R. Boone A Billion Gallons a Day . . . . . . . . 26--26
Anonymous Editorials: Our Point of View . . . . . 67--67
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 68--68
Anonymous Frontispiece: Pattern of a Golfer --- by
Photography . . . . . . . . . . . . . . 70--70
T. Leslie Shear Archeology: American Archeologists in
Ancient Athens . . . . . . . . . . . . . 90--92
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
Largest Steam Hammer, X-Ray ``Candid
Camera'' Snaps Human Chest, and more . . 93--112
Anonymous Current Bulletin Briefs . . . . . . . . 112--113
Jacob Deschin Camera Angles: Try Cropping It, Copying
Kink, and more . . . . . . . . . . . . . 114--119
Anonymous Camera Angles Round Table: Questions
Answered for the Amateur Photographer 120--121
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 122--125
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 126--126
Orson D. Munn Legal High-Lights: Trade Mark --- Land
Mark, Muffled, and more . . . . . . . . 127--127
Barclay Moon Newman Dated Chimpanzees . . . . . . . . . . . 71--73
Anonymous A Faster Army Rifle . . . . . . . . . . 74--74
Anonymous Bubbles . . . . . . . . . . . . . . . . 75--75
John P. Hogan Up From the Ashes . . . . . . . . . . . 76--78
Arthur Hawthorne Carhart Test Your Soil . . . . . . . . . . . . . 79--79
Philip H. Smith Powder Metallurgy . . . . . . . . . . . 80--82
Austin E. Jones The Amateur's Seismograph . . . . . . . 83--85
A. P. Peck From Logs to Plywood . . . . . . . . . . 86--87
Henry Norris Russell Sodium Skies . . . . . . . . . . . . . . 88--89
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 131--131
Anonymous Editorials: Our Point of View . . . . . 132--132
Anonymous Personalities in Science . . . . . . . . 133--133
Anonymous Frontispiece: Accurate Machinery for
Better Tires . . . . . . . . . . . . . . 134--134
Anonymous \booktitleScientific American Digest:
Invisible Glass, Welded Metal Sculpture,
and more . . . . . . . . . . . . . . . . 160--173
Anonymous Camera Angles: Photographic Party, Leica
Import Certificate, and more . . . . . . 180--187
Anonymous What's New in Photographic Equipment . . 188--191
Anonymous Camera Angles Round Table . . . . . . . 192--193
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 194--197
Anonymous Current Bulletin Briefs . . . . . . . . 198--198
Orson D. Munn Legal High-Lights: Ice Hockey, Belated
Technically, and more . . . . . . . . . 199--199
Albert G. Ingalls Fire . . . . . . . . . . . . . . . . . . 135--138
Anonymous An Electrical Voice . . . . . . . . . . 139--139
Lynn Davis Smith Boring through a Rainstorm . . . . . . . 140--141
Henry Norris Russell As Astronomers Meet . . . . . . . . . . 142--143
L. M. Fisher Pollution Kills Fish . . . . . . . . . . 144--146
Anonymous Rubber Saves Trees . . . . . . . . . . . 147--147
Ralph Mine Farley Visualizing Hyperspace . . . . . . . . . 148--149
Myron M. Stearns and
Blaine Stubblefieid How Much Snow? . . . . . . . . . . . . . 150--152
Norman Goldsmith Now Helium Saves Lives . . . . . . . . . 153--153
J. Kostrewski Biskupin . . . . . . . . . . . . . . . . 154--156
Anonymous Factory `Magic' . . . . . . . . . . . . 157--157
A. P. Peck Rubber to Cotton to Tires . . . . . . . 158--159
Anonymous \booktitleScientific American
Photography Contest . . . . . . . . . . 182--184
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 202--203
Anonymous Editorials: Our Point of View . . . . . 204--204
Anonymous Personalities in Science . . . . . . . . 205--205
Anonymous Frontispiece: a Magnificent Tidal Front
in a Chinese River . . . . . . . . . . . 206--206
Anonymous \booktitleScientific American Digest:
Prospectors Now Drive for Gold, and More 234--260
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 266--269
Anonymous Current Bulletin Briefs . . . . . . . . 270--270
Orson D. Munn Legal High-Lights: Liberty, Paddy's
Market, and more . . . . . . . . . . . . 271--271
O. B. Hanson Here Comes Television! . . . . . . . . . 207--209
Robert B. Sosman Quicker than the Eye . . . . . . . . . . 210--211
Anonymous The Motorist Gets his Oil . . . . . . . 212--214
E. J. Fortier Vitamins From Our Own Fish . . . . . . . 215--215
W. P. Elliott World's Biggest Meat Market . . . . . . 216--218
Leonard Kaplan Problems . . . . . . . . . . . . . . . . 219--219
Henry Norris Russell Berenice's Hair . . . . . . . . . . . . 220--221
Lee A. Strong Insects Cannot Win . . . . . . . . . . . 222--224
John P. Lee World's Safest Ships . . . . . . . . . . 225--225
Charles W. Sheppard The Stubborn Elements . . . . . . . . . 226--227
A. E. Alexander Pearls Through Artifice . . . . . . . . 228--229
Anonymous Other Days in Photography . . . . . . . 230--230
Paul Popenoe The Hysteroid Personality . . . . . . . 231--233
Anonymous What's New in Photographic Equipment . . 261--263
Anonymous Camera Angles Round Table . . . . . . . 264--265
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 274--274
Anonymous Editorials: Our Point of View . . . . . 275--275
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 276--276
Joel H. Hildebrand Personalities in Science . . . . . . . . 277--277
Anonymous Frontispiece: Nerve Center of The
``Yankee Clipper'' . . . . . . . . . . . 278--278
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
Stopping The Marine Borer, Trunk-Size
Refrigerated Container, and more . . . . 306--325
Jacob Deschin Camera Angles: Impromptu Portraits,
Start with a Title, and More . . . . . . 326--335
Anonymous Camera Angles Round Table . . . . . . . 336--337
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 338--341
Anonymous Current Bulletin Briefs . . . . . . . . 342--342
Orson D. Munn Legal High-Lights: Unauthorized, Art
Patron, and More . . . . . . . . . . . . 343--343
R. E. Johnson How Safe is Air Travel? . . . . . . . . 279--281
William Wolf Animals Bring Us Diseases . . . . . . . 282--284
Anonymous On the Site of Armageddon . . . . . . . 285--285
Anonymous The German Navy at a Glance . . . . . . 286--287
Paul Popenoe Your Inferiority Complex . . . . . . . . 288--290
Anonymous Staticless Radio . . . . . . . . . . . . 291--291
Thomas H. Osgood The Curious Case of Liquid Helium . . . 292--293
A. E. Alexander Science Dissects the Pearl . . . . . . . 294--297
Henry Norris Russell Inside the Stars . . . . . . . . . . . . 298--299
R. G. Skerrett More Water for Niagara . . . . . . . . . 300--302
Anonymous Comfort Cooling . . . . . . . . . . . . 303--303
Andrew R. Boone Flexible Power in the Woods . . . . . . 304--305
Anonymous Fourth Annual \booktitleScientific
American Amateur Photography Contest . . 328--328
Anonymous Book Review: Books Selected by the
Editors . . . . . . . . . . . . . . . . 346--346
Anonymous Editorials: Our Point of View . . . . . 347--347
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 348--349
Anonymous Frontispiece: Low Cost Cure for radio
interference . . . . . . . . . . . . . . 350--350
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
Food in a Balloon, Pilot Valve, and more 372--389
Jacob Deschin Camera Angles: Camera Adventures in
Washington, Cameras at the World's Fair,
and more . . . . . . . . . . . . . . . . 390--398
Anonymous Camera Angles Round Table . . . . . . . 399--399
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 400--403
Anonymous Current Bulletin Briefs . . . . . . . . 404--404
Orson D. Munn Legal High-Lights: Fair News,
Experimentation, and more . . . . . . . 405--405
Anonymous Index to Volume 160, January--June, 1939 406--407
Oscar Parkes The Future of Navies . . . . . . . . . . 351--354
Anonymous How Metals Relax . . . . . . . . . . . . 355--355
Anonymous Controlling the 'Heat' . . . . . . . . . 356--357
H. P. Robertson Relativity --- 20 Years After . . . . . 358--359
C. P. Fisher, Jr. Railroading's Latest Chapter . . . . . . 360--361
Barclay Moon Newman Sulfanilamide and Sulfapyridine . . . . 362--363
Evans W. Cottman Cold Light . . . . . . . . . . . . . . . 364--366
Anonymous Color on a Huge Screen . . . . . . . . . 367--367
Henry Norris Russell What Keeps the Stars Shining? . . . . . 368--369
Andrew R. Boone They Never Say 'No' . . . . . . . . . . 370--371
Anonymous Editorials: Our Point of View . . . . . 2--2
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 3--3
Anonymous Frontispiece: Air Conditioning and
Lights Tenderize Beef . . . . . . . . . 4--4
F. D. McHugh and
Alexander Klemin and
D. H. Killeffer \booktitleScientific American Digest:
The Screen of Television, Small Arc
Welder, and more . . . . . . . . . . . . 28--43
Jacob Deschin Camera Angles: Simplify your
Table-Topping, Find Out for Yourself,
and more . . . . . . . . . . . . . . . . 44--53
Anonymous Camera Angles Round Table . . . . . . . 54--55
Anonymous Book Review: Our Book Corner . . . . . . 56--57
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 58--61
Anonymous Current Bulletin Briefs . . . . . . . . 62--62
Orson D. Munn Legal High-Lights: Vinyl Resin, Return
Match, and more . . . . . . . . . . . . 63--63
Gustav Egloff Ersatz Motor Fuels . . . . . . . . . . . 5--7
Thomas Hayes Jaycox Lies --- Truths . . . . . . . . . . . . 8--9
Oscar Parkes The Future of Navies . . . . . . . . . . 10--14
Forrest Davis Airplanes, Unlimited! . . . . . . . . . 15--17
Henry Norris Russell What Keeps the Stars Shining? . . . . . 18--19
Florian E. Wood Rubber's `Little Brother' . . . . . . . 20--21
H. P. Robertson Relativity --- 20 Years After . . . . . 22--24
Anonymous Looking for Trouble . . . . . . . . . . 25--25
T. Swann Harding The Great American Rite . . . . . . . . 26--27
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 66--67
Anonymous Editorials: Our Point of View . . . . . 68--68
Dayton C. Hiller Personalities in Science . . . . . . . . 69--69
Anonymous Frontispiece: Delicate Blades in a
Liner's Power Plant . . . . . . . . . . 70--70
F. D. McHugh and
Alexander Klemin \booktitleScientific American Digest:
Unique Hinged Swing Spans on Bridge,
Blight Resistant Chestnut, and more . . 92--107
Anonymous Camera Angles: Photogenic New York
World's Fair, Uses for Blue and U.V.
Filters, and more . . . . . . . . . . . 108--113
Anonymous What's New in Photographic Equipment . . 114--115
Anonymous Camera Angles Round Table . . . . . . . 116--117
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 118--123
Anonymous Our Book Corner . . . . . . . . . . . . 124--125
Anonymous Current Bulletin Briefs . . . . . . . . 126--126
Orson D. Munn Legal High-Lights: Glass Houses, Air
Spun, and more . . . . . . . . . . . . . 127--127
David O. Woodbury Earthquakes Need Not Kill . . . . . . . 71--74
Anonymous Tinted Lenses . . . . . . . . . . . . . 75--75
Anonymous In the Transatlantic Service . . . . . . 76--77
Henry Norris Russell McDonald Observatory . . . . . . . . . . 78--79
R. G. Skerrett Under the Nieuwe Maas . . . . . . . . . 80--81
C. Stuart Johnston Flint Flaking . . . . . . . . . . . . . 82--83
Upton Close More Oil From Crooked Wells . . . . . . 84--87
H. Gerrish Smith We Build More Ships . . . . . . . . . . 88--89
Arthur E. Oxley Prehistoric Airfoils . . . . . . . . . . 90--91
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 130--130
Anonymous Editorials: Our Point of View . . . . . 131--131
Anonymous Frontispiece: With in the Housing of a
Giant Atom Smasher . . . . . . . . . . . 132--132
F. D. McHugh and
Alexander Klemin \booktitleScientific American Digest:
Quartz-Like Glass, New X-Ray Units for
Fighting Cancer, and more . . . . . . . 156--171
Jacob Deschin Camera Angles: Kid Pictures, Have you
Tried Contrast Filters?, and more . . . 172--178
Anonymous Camera Angles Round Table . . . . . . . 182--183
Anonymous Our Book Corner: Our book corner . . . . 184--185
Alber T. G. Ingalls Telescoptics . . . . . . . . . . . . . . 186--189
Anonymous Current Bulletin Briefs . . . . . . . . 190--190
Orson D. Munn Legal High-Lights: Battle of Baths,
Chorus, and more . . . . . . . . . . . . 191--191
George Russell Harrison Eyes that See Through Atoms . . . . . . 133--136
Anonymous Five Companies Present . . . . . . . . . 137--137
Anonymous Bombing Raids Will Find London Prepared 138--139
Paul W. Thompson River Models Outwit Nature . . . . . . . 140--142
Anonymous No More Blown Patterns . . . . . . . . . 143--143
L. B. Pope Up in the Air for a Hobby . . . . . . . 144--145
Henry Norris Russell A Remarkable Triple Star . . . . . . . . 146--147
Barelay Moon Newman Secrets of Life's Colors . . . . . . . . 148--150
Anonymous What Six Years Did . . . . . . . . . . . 151--151
C. W. Sheppard Why the Earth's Magnetism? . . . . . . . 152--153
W. H. Noble, Jr. The Saluki Everlasting . . . . . . . . . 154--155
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 194--194
Anonymous Editorials: Our Point of View . . . . . 196--196
O. B. Hanson Personalities in Science . . . . . . . . 197--197
Anonymous Frontispiece: Where, Oh Where, Has My
Little Truck Gone? . . . . . . . . . . . 198--199
F. D. McHugh and
Alexander Klemin \booktitleScientific American Digest: To
Determine Moisture Content of Gases,
Ring Gears Cast Centrifugally, and more 220--237
Jacob Deschin Camera Angles: What Pose?, Why a File?,
and more . . . . . . . . . . . . . . . . 238--243
Anonymous What's New in Photographic Equipment . . 243--245
Anonymous Camera Angles Round Table . . . . . . . 246--247
Anonymous Our Book Corner . . . . . . . . . . . . 248--249
Albert G. Ingalls Telescoptics: a Monthly Department for
the Amateur Telescope Maker . . . . . . 250--253
Anonymous Current Bulletin Briefs . . . . . . . . 254--254
Orson D. Munn Legal High-Lights: Crawling Baby,
Chinese--American, and more . . . . . . 255--255
Andrew R. Boone Insanity at the Wheel . . . . . . . . . 199--201
Thomas C. Poulter Research on High Pressures . . . . . . . 202--203
Philip H. Smith Noise Control . . . . . . . . . . . . . 204--207
Henry Norris Russell Our Galaxy Re-Measured . . . . . . . . . 208--209
Richard B. Clarkson Cuba --- Key to Manganese Problem . . . 210--211
George Russell Harrison Eyes that See Through Atoms . . . . . . 212--213
Jean Harrington Two Elements for One . . . . . . . . . . 214--216
Anonymous Preserved in Plastics . . . . . . . . . 217--217
T. Swann Harding High Blood Pressure . . . . . . . . . . 218--219
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 259--259
Anonymous Frontispiece: Lightning is Trapped and
Dissected . . . . . . . . . . . . . . . 260--260
Anonymous Editorials: Our Point of View . . . . . 269--269
F. D. McHugh and
Alexander Klemin \booktitleScientific American Digest:
Anthracite Ash Improves Soil, Telescope
Museum, and more . . . . . . . . . . . . 285--301
Anonymous Camera Angles: Tricks by Reflection,
Double-Duty Filters, and more . . . . . 304--308
Anonymous What's New in Photographic Equipment . . 308--310
Anonymous Camera Angles Round Table . . . . . . . 311--311
Anonymous Our Book Corner . . . . . . . . . . . . 312--313
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 314--317
Anonymous Current Bulletin Briefs . . . . . . . . 318--318
Anonymous Legal High-Lights: Patent Changes, Joint
Ownership, and more . . . . . . . . . . 319--319
Major R. A. Bagnold A Lost World Refound . . . . . . . . . . 261--263
Andrew R. Boone River Rebuilt to Curb Floods . . . . . . 264--265
J. D. Ratcliff Termites of the Sea . . . . . . . . . . 266--268
Charles W. Sheppard Hunting the Mesotron . . . . . . . . . . 270--271
Anonymous Could we Defend Our Ports? . . . . . . . 272--272
Henry Norris Russell Eclipsing Binaries . . . . . . . . . . . 274--275
Alexander Klemin Airmail for Small Towns . . . . . . . . 276--277
Barclay Moon Newman Cancer's Mysterious Puzzle . . . . . . . 278--280
G. H. Estabrooks Man --- Mechanical Misfit . . . . . . . 281--283
Anonymous Automaton Salesmen . . . . . . . . . . . 284--284
Anonymous Introductions are in Order, Bird Season
Shotguns, and more . . . . . . . . . . . 302--303
Anonymous Personalities in Industry . . . . . . . 323--323
Anonymous 50 Years Ago: 50 Years Ago in
\booktitleScientific American . . . . . 324--324
Anonymous Editorials: Our Point of View . . . . . 333--333
Anonymous Pillar Halos . . . . . . . . . . . . . . 345--345
F. D. McHugh and
Alexander Klemin \booktitleScientific American Digest:
Bike Tires Tested, Perfected ``Rubber
Lung'', and more . . . . . . . . . . . . 346--361
Jacob Deschin Camera Angles: Those Vacation Pictures,
Cleaning Lenses, and more . . . . . . . 364--372
Anonymous Camera Angles Round Table . . . . . . . 373--373
Anonymous Our Book Corner . . . . . . . . . . . . 374--374
Albert G. Ingalls Telescoptics . . . . . . . . . . . . . . 376--379
Anonymous Current Bulletin Briefs . . . . . . . . 380--380
Orson D. Munn Legal High-Lights: Undramatic, Seller
Beware, and more . . . . . . . . . . . . 381--381
Anonymous Index to Volume 161, July--December,
1939 . . . . . . . . . . . . . . . . . . 382--384
Anonymous Balloon Mines to Put the Air Out of
Action . . . . . . . . . . . . . . . . . 326--326
Arthur E. Oxley Will Bombs Dominate? . . . . . . . . . . 327--329
J. J. Frey All for One and One for All . . . . . . 330--332
Henry Norris Russell What's Inside the Stars? . . . . . . . . 334--335
Douglas W. F. Mayer Is Light Slowing Down? . . . . . . . . . 336--338
Anonymous Ships Can Carry Autogiros to Spot
Submarines . . . . . . . . . . . . . . . 339--339
Charles F. A. Mann Deep Piers Built in Stiff Tides . . . . 340--341
Albert Carr Answer, Echo, Answer . . . . . . . . . . 342--344
A. D. Rathbone IV Tenite Stocks, for Gun Collectors, and
more . . . . . . . . . . . . . . . . . . 362--363