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                Sat Aug 31 13:01:24 MDT 2024
            
            
                          
            
                 
            
        
           Henry Norris Russell   The Heavens in January . . . . . . . . . 7--7
                      Anonymous   Recently Patented Inventions . . . . . . 12--12
                      Anonymous   Notes and Queries  . . . . . . . . . . . 12--13
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 13--13
                      Anonymous   Index of Inventions  . . . . . . . . . . 13--15
                      Anonymous   Retrospect of the Tear 1908  . . . . . . 2--3
                      Anonymous   Carrier Pigeons as Photographers . . . . 4--4
                      Anonymous   Moving Pictures that Sing and Talk . . . 5--5
                      Anonymous   Tidal Wave Making on the Stage . . . . . 8--8
                      Anonymous   Miniature Railroads for Country
                                  Transportation . . . . . . . . . . . . . 9--10
                Marcus Benjamin   Thomas Chrowder Chamberlin . . . . . . . 10--10
                      Anonymous   Improved Refrigerating Apparatus . . . . 11--11
                      Anonymous   Whip Socket  . . . . . . . . . . . . . . 11--11
                      Anonymous   Spring Drawer  . . . . . . . . . . . . . 11--11
                      Anonymous   Combined Case and Post for Tennis Nets   11--11
                      Anonymous   An Improved Hinge  . . . . . . . . . . . 11--11
                      Anonymous   Practical and Instructive Scientific
                                  Books  . . . . . . . . . . . . . . . . . 15--15
        
                      Anonymous   Recently Patented Inventions . . . . . . 192--192
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 192--192
                      Anonymous   Index of Inventions  . . . . . . . . . . 192--195
                      Anonymous   The New Steel  . . . . . . . . . . . . . 182--182
                      Anonymous   American and British Turbines  . . . . . 182--182
                      Anonymous   The Second Sea Power --- America or
                                  Germany  . . . . . . . . . . . . . . . . 182--182
                      Anonymous   Engineering  . . . . . . . . . . . . . . 183--183
                      Anonymous   Electricity  . . . . . . . . . . . . . . 183--183
                      Anonymous   Science  . . . . . . . . . . . . . . . . 183--183
                      Anonymous   Possibilities of the Fusible Core
                                  Process  . . . . . . . . . . . . . . . . 184--184
           H. Prime Kieffer and   
                           C. E   A Movable Lock for Inclined Canals . . . 184--185
                      Anonymous   Explosive Energy of a Boiler . . . . . . 185--186
              Frederic R. Honey   Morning and Evening Stars for 1909 . . . 186--187
                Orrin B. Dunlap   The Recent Subsidence of Niagara Falls   187--187
                      Anonymous   United States Life-Saving Steamer
                                  ``Snohomish''  . . . . . . . . . . . . . 187--188
                      Anonymous   The Isna Barrage across the Nile . . . . 189--191
                      Anonymous   Improved Vehicle Wrench  . . . . . . . . 191--191
                      Anonymous   Device for Operating Window Shutter  . . 191--191
                      Anonymous   Kettle Still . . . . . . . . . . . . . . 191--191
                      Anonymous   A Novel Electric Motor . . . . . . . . . 191--191
                      Anonymous   Improved Garment Hanger  . . . . . . . . 191--191
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 202--202
                      Anonymous   Recently Patented Inventions . . . . . . 209--210
                      Anonymous   Notes and Queries  . . . . . . . . . . . 210--211
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 211--211
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 211--211
                      Anonymous   Index of Inventions  . . . . . . . . . . 211--215
                      Anonymous   A Tribute to Roosevelt's Technical
                                  Judgement  . . . . . . . . . . . . . . . 198--198
                      Anonymous   A Cruiser without Funnels  . . . . . . . 198--198
                      Anonymous   Ventilation of Passenger Coaches . . . . 198--198
                      Anonymous   A Successful Friction Clutch . . . . . . 198--198
                      Anonymous   Engineering  . . . . . . . . . . . . . . 199--199
                      Anonymous   Electricity  . . . . . . . . . . . . . . 199--199
                      Anonymous   Science  . . . . . . . . . . . . . . . . 199--199
                      Anonymous   The Projector in Surgery . . . . . . . . 200--200
                      Anonymous   Gas-Driven Battleships and Cruisers  . . 201--201
                      Anonymous   A Peculiar Optical Phenomenon  . . . . . 202--202
                      Anonymous   Did the ``Republic'' Carry Searchlights? 202--202
                      Anonymous   The Airship of the Future  . . . . . . . 202--202
                      Anonymous   Stress in a Vacuum Balloon . . . . . . . 202--202
                      Anonymous   The Earthquake in Italy  . . . . . . . . 202--202
                      Anonymous   Curiosities of Numbers . . . . . . . . . 202--202
                      Anonymous   Aeronautical Notes . . . . . . . . . . . 203--203
                  William Allen   The M'Call's Ferry Hydro-Electric Power
                                  Plant  . . . . . . . . . . . . . . . . . 203--205
                      Anonymous   Test of the Bell Tetrahedral-Cell
                                  Aeroplane in Nova Scotia . . . . . . . . 205--205
                      Anonymous   A Wirelessly-Controlled Torpedo  . . . . 206--206
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 207--207
                  Edward Thorpe   A Cheaply-Constructed Fireless Cooker    207--207
                   I. G. Bayley   Furnishing the Workshop --- IV . . . . . 207--207
              Frederick E. Ward   An Electrical Fireless Cooker  . . . . . 207--208
                    F. D. Sweet   Home-Made Blowpipe . . . . . . . . . . . 208--208
             A. R. Van Der Veer   Unscrewing a Tight Jab Top . . . . . . . 208--208
            J. Carlton Paulmier   Construction of a Selenium Cell  . . . . 208--208
               Albert F. Bishop   Home-Made Brass Furnace  . . . . . . . . 208--208
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 222--222
                      Anonymous   Recently Patented Inventions . . . . . . 230--230
                      Anonymous   Notes and Queries  . . . . . . . . . . . 230--231
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 231--231
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 231--231
                      Anonymous   Index of Inventions  . . . . . . . . . . 231--235
                      Anonymous   The Menace of the Noiseless Gun  . . . . 218--218
                      Anonymous   Opportunity for American Steel
                                  Construction at Messina  . . . . . . . . 218--218
                      Anonymous   The Subway Situation . . . . . . . . . . 218--218
                      Anonymous   Limitations of the Hydroplane  . . . . . 218--218
                      Anonymous   Aviation in America and the
                                  \booktitleScientific American Trophy . . 218--218
                      Anonymous   Engineering  . . . . . . . . . . . . . . 219--219
                      Anonymous   Electricity  . . . . . . . . . . . . . . 219--219
                      Anonymous   Science  . . . . . . . . . . . . . . . . 219--219
                      Anonymous   Improved Forms of the Buggy-Type
                                  Automobile . . . . . . . . . . . . . . . 220--221
                      Anonymous   The Schneider Torpedo-Launching Station  222--222
                      Anonymous   Accuracy in Scientific Diction . . . . . 222--222
                      Anonymous   From the Track-Walker's Standpoint . . . 222--223
                      Anonymous   The Locust Tree: An Important Field for
                                  Investigation  . . . . . . . . . . . . . 223--223
             Charles B. Haywood   What is the Selden Patent? . . . . . . . 223--225
                      Anonymous   First Aid to Those Injured by
                                  Electricity  . . . . . . . . . . . . . . 225--225
                      Anonymous   Progress of the 20,000-Ton ``North
                                  Dakota'' . . . . . . . . . . . . . . . . 226--226
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 227--228
               Alfred P. Morgan   An Interesting Experiment and Its
                                  Explanation  . . . . . . . . . . . . . . 228--228
                J. O. Brouillet   Home-Made Spring Winder  . . . . . . . . 228--228
                   I. G. Bayley   Forging a Masthead or Boom Ring  . . . . 228--228
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 243--243
                      Anonymous   Recently Patented Inventions . . . . . . 249--249
                      Anonymous   Notes and Queries  . . . . . . . . . . . 249--251
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 251--252
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 252--252
                      Anonymous   Index of Inventions  . . . . . . . . . . 252--255
                      Anonymous   The \booktitleScientific American Flying
                                  Machine Trophy for 1909  . . . . . . . . 238--238
                      Anonymous   The Highway and the Automobile . . . . . 238--238
                      Anonymous   Close of the Fourth Dimension Contest    238--238
                      Anonymous   Rainmaking by Dynamite . . . . . . . . . 238--238
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 239--239
                      Anonymous   Electricity  . . . . . . . . . . . . . . 239--239
                      Anonymous   Science  . . . . . . . . . . . . . . . . 239--239
                     R. W. Wood   The Mercury Telescope  . . . . . . . . . 240--241
                      Anonymous   Superiority of Lock to Sea-Level Canal   241--242
                      Anonymous   The \booktitleScientific American Flying
                                  Machine Trophy . . . . . . . . . . . . . 242--242
                      Anonymous   Governmental Income and Outgo  . . . . . 243--243
              Walter L. Beasley   The Navy's Dummy Drill Gun . . . . . . . 244--244
               Day Allen Willey   The Ice of the Arctic Waters . . . . . . 244--246
                  Deshler Welch   Tobogganing at Caux, Switzerland . . . . 246--246
                      Anonymous   Patent Department  . . . . . . . . . . . 247--247
                      Anonymous   Engine Aliner  . . . . . . . . . . . . . 247--247
                      Anonymous   Adjustable Head for Piano Hammers  . . . 247--247
                      Anonymous   Apparatus for Treating Rubber  . . . . . 247--247
                      Anonymous   Valve for Flush Tanks  . . . . . . . . . 247--248
                      Anonymous   The German Crown Prince as an Inventor   248--248
                      Anonymous   Improved Oar Lock  . . . . . . . . . . . 248--248
                      Anonymous   Reciprocity in Patent Laws . . . . . . . 248--248
                      Anonymous   Kitchen Sink Cover . . . . . . . . . . . 248--248
                      Anonymous   Pneumatic Milk Can . . . . . . . . . . . 248--248
                      Anonymous   Oddities in Inventions . . . . . . . . . 248--248
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 263--263
           Henry Norris Russell   The Heavens in April . . . . . . . . . . 266--266
                      Anonymous   Recently Patented Inventions . . . . . . 268--268
                      Anonymous   Notes and Queries  . . . . . . . . . . . 268--268
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 268--268
                      Anonymous   Index of Inventions  . . . . . . . . . . 268--271
                      Anonymous   Lieut. Shackleton's Antarctic Expedition 258--258
                      Anonymous   To Test Full-Sized Compression Members   258--258
                      Anonymous   The So-Called ``Dreadnought'' Craze  . . 258--258
                      Anonymous   Engineering  . . . . . . . . . . . . . . 259--259
                      Anonymous   Electricity  . . . . . . . . . . . . . . 259--259
                      Anonymous   Science  . . . . . . . . . . . . . . . . 259--259
             Charles B. Hayward   An Enormous Induction Coil . . . . . . . 260--261
                      Anonymous   Floating Lights of Inland Waters . . . . 261--262
                      Anonymous   Aerial Defense Artillery . . . . . . . . 262--262
                      Anonymous   End Versus Center Doors for Exit on
                                  Subway Cars  . . . . . . . . . . . . . . 263--263
                      Anonymous   Seaworthiness of Passenger Steamships    263--263
                      Anonymous   Defects in Motor-Sleighs . . . . . . . . 263--263
                      Anonymous   Our New 26,000-Ton Battleships . . . . . 263--265
             J. Mayne Baltimore   Regrading a City by Means of Hydraulic
                                  Sluicing . . . . . . . . . . . . . . . . 265--265
                   I. G. Bayley   Handy Man's Workshop . . . . . . . . . . 267--267
                    K. R. Henry   The Handy Man in the Factory . . . . . . 267--267
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 279--279
                      Anonymous   Recently Patented Inventions . . . . . . 284--284
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 284--284
                      Anonymous   Index of Inventions  . . . . . . . . . . 284--287
                      Anonymous   The New Hudson River Steamer ``Robert
                                  Fulton'' . . . . . . . . . . . . . . . . 274--274
                      Anonymous   The Renaissance of the Spanish Navy  . . 274--274
                      Anonymous   Center Versus Side Door Cars . . . . . . 274--274
                      Anonymous   Recent Flights of Germany's First
                                  Zeppelin Military Airship  . . . . . . . 274--274
                      Anonymous   The Fourth Dimension Essays  . . . . . . 274--274
                      Anonymous   Engineering  . . . . . . . . . . . . . . 275--275
                      Anonymous   Electricity  . . . . . . . . . . . . . . 275--275
                      Anonymous   Science  . . . . . . . . . . . . . . . . 275--275
                      Anonymous   A Life-Line Air Cannon . . . . . . . . . 276--276
                      Anonymous   The Filtration of City Water Supply  . . 276--276
                      Anonymous   Detecting Underground Streams with an
                                  Ear-Trumpet  . . . . . . . . . . . . . . 277--277
                 W. Henry Sheak   Pythons and Their Prey . . . . . . . . . 277--278
                      Anonymous   The Commercial Possibilities of the
                                  Aeroplane  . . . . . . . . . . . . . . . 279--279
                      Anonymous   A Problem in Mechanics . . . . . . . . . 279--279
                      Anonymous   Stereoscopic Illusion  . . . . . . . . . 279--279
                      Anonymous   New Type of Sub-Surface Torpedo Boat . . 280--280
                      Anonymous   The Queensboro and Manhattan Bridges
                                  across the East River  . . . . . . . . . 281--282
              Alfred Gradenwitz   A Life Preserver for Balloonists . . . . 282--282
                      Anonymous   Aeronautical Notes . . . . . . . . . . . 282--282
                      Anonymous   Patent Department  . . . . . . . . . . . 283--283
                      Anonymous   A Novel Frying Device  . . . . . . . . . 283--283
                      Anonymous   An Improved Rat Trap . . . . . . . . . . 283--283
                      Anonymous   A New Railroad Spike . . . . . . . . . . 283--283
                      Anonymous   A Simple Drawer Stop . . . . . . . . . . 283--283
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 295--295
                      Anonymous   Recently Patented Inventions . . . . . . 301--302
                      Anonymous   Notes and Queries  . . . . . . . . . . . 302--302
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 304--304
                      Anonymous   Index of Inventions  . . . . . . . . . . 304--307
                      Anonymous   The Fulton Airship Flight Contest  . . . 290--290
                      Anonymous   Brick Roads for the Automobile . . . . . 290--290
                      Anonymous   Steamship Vibration  . . . . . . . . . . 290--290
                      Anonymous   Why Not the Electric Fire Engine?  . . . 290--290
                      Anonymous   Engineering  . . . . . . . . . . . . . . 291--291
                      Anonymous   Electricity  . . . . . . . . . . . . . . 291--291
                      Anonymous   Science  . . . . . . . . . . . . . . . . 291--291
                      Anonymous   The Turbines of the Battleship ``North
                                  Dakota'' . . . . . . . . . . . . . . . . 292--292
                  Percy Collins   The Eyes of Animals  . . . . . . . . . . 293--294
                      Anonymous   Rainmaking by Explosion  . . . . . . . . 295--295
                      Anonymous   Formulæ for Obtaining Integral Sides of
                                  Right-Angled Triangles . . . . . . . . . 295--295
             William H. Raymond   The Alaska--Yukon Exposition . . . . . . 296--298
                      Anonymous   An Experiment with a Glider  . . . . . . 298--298
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 299--299
                       K. Ragan   Chemical Flasks from Electric Light
                                  Globes . . . . . . . . . . . . . . . . . 299--300
              E. F. Pabody, Jr.   Rotagons . . . . . . . . . . . . . . . . 300--300
                   R. V. Heuser   Novel Heat Motor . . . . . . . . . . . . 300--300
                Charles Lurcott   Another Joint for Handy Man's work Bench 300--300
                   G. W. Naylor   A Remedy for Loose Wood Screws . . . . . 300--300
                  H. D. Chapman   Hardening Copper . . . . . . . . . . . . 300--300
                      Anonymous   New Books, Etc.  . . . . . . . . . . . . 303--304
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 315--315
                      Anonymous   Recently Patented Inventions . . . . . . 321--321
                      Anonymous   Notes and Queries  . . . . . . . . . . . 321--322
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 322--322
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 322--322
                      Anonymous   Index of Inventions  . . . . . . . . . . 322--327
                      Anonymous   The ``Dreadnought'' Competition  . . . . 310--310
                      Anonymous   Economic Loss through the Mosquito . . . 310--310
                      Anonymous   The Hudson--Fulton Celebration . . . . . 310--310
                      Anonymous   Wilbur Wright's Flights in Italy . . . . 310--310
                      Anonymous   Engineering  . . . . . . . . . . . . . . 311--311
                      Anonymous   Electricity  . . . . . . . . . . . . . . 311--311
                      Anonymous   Science  . . . . . . . . . . . . . . . . 311--311
                William L. Hill   Demolition of the Facade of the Old B. &
                                  P. Rr. Terminal, Boston  . . . . . . . . 312--312
              J. F. S. Springer   Experiments in Ingot Casting . . . . . . 313--314
                      Anonymous   Glass Industry of the United States  . . 314--314
                      Anonymous   The Pearl Fishery of Ceylon  . . . . . . 316--318
                      Anonymous   A House-to-House Mirror System . . . . . 318--318
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 319--319
                   I. G. Bayley   Tools for the Workshop. --- I  . . . . . 320--320
                Gustave Michaud   Milk Testing without Apparatus . . . . . 320--320
                      Anonymous   Some Interesting Models  . . . . . . . . 320--320
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 335--335
           Henry Norris Russell   The Heavens in May . . . . . . . . . . . 338--338
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 340--340
                      Anonymous   Index of Inventions  . . . . . . . . . . 340--343
                      Anonymous   The Truth about the German
                                  ``Dreadnoughts'' . . . . . . . . . . . . 330--330
                      Anonymous   ``House Fly'' should be Called ``Typhoid
                                  Fly''  . . . . . . . . . . . . . . . . . 330--330
                      Anonymous   Reducing the Noise of Elevated Roads . . 330--330
                      Anonymous   Engineering  . . . . . . . . . . . . . . 331--331
                      Anonymous   Electricity  . . . . . . . . . . . . . . 331--331
                      Anonymous   Science  . . . . . . . . . . . . . . . . 331--331
                      Anonymous   The Amphibicycle . . . . . . . . . . . . 332--332
                      Anonymous   A New Class of Submarines for the United
                                  States Navy  . . . . . . . . . . . . . . 332--332
                      Anonymous   The New Croton Falls Reservoir . . . . . 333--334
                      Anonymous   Submarine Wrecking Vessel  . . . . . . . 334--334
                      Anonymous   Steering of Ships  . . . . . . . . . . . 335--335
                  Percy Collins   Tricks with Soap Bubbles . . . . . . . . 336--337
                  F. C. Perkins   The Great Ice Jam at Niagara . . . . . . 339--339
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 351--351
                      Anonymous   Recently Patented Inventions . . . . . . 357--358
                      Anonymous   Notes and Queries  . . . . . . . . . . . 358--359
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 359--359
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 359--359
                      Anonymous   Index of Inventions  . . . . . . . . . . 359--363
                      Anonymous   Distorted Bridge Stories . . . . . . . . 346--346
                      Anonymous   Signaling to Mars  . . . . . . . . . . . 346--346
                      Anonymous   Direct-Current Versus Single-Phase
                                  Traction . . . . . . . . . . . . . . . . 346--346
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 347--347
                      Anonymous   Electricity  . . . . . . . . . . . . . . 347--347
                      Anonymous   Science  . . . . . . . . . . . . . . . . 347--347
                      Anonymous   A Tool for Boring Square Holes . . . . . 348--348
                Orrin E. Dunlap   Dynamiting the Niagara Ice Jam . . . . . 349--350
                      Anonymous   Why Drunken Men always See Double  . . . 350--350
                      Anonymous   The Discoverers of the Hudson  . . . . . 351--351
                      Anonymous   Wells and Darwin, and the Doctrine of
                                  Evolution  . . . . . . . . . . . . . . . 351--351
                      Anonymous   Recent Successful French Monoplanes  . . 352--352
                      Anonymous   The Winning Motor Boats at Monaco  . . . 352--352
                      Anonymous   The Electric Aerial Mono-Rail up the
                                  Wetterhorn . . . . . . . . . . . . . . . 353--354
                      Anonymous   Patent Department  . . . . . . . . . . . 355--355
                      Anonymous   Boiler-Tube Cleaner  . . . . . . . . . . 355--355
                      Anonymous   Delivery Apparatus for Mail Cars . . . . 355--355
                      Anonymous   Back Pressure Reducer  . . . . . . . . . 355--356
                      Anonymous   Oddities in Inventions . . . . . . . . . 356--356
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 23--23
                      Anonymous   Recently Patented Inventions . . . . . . 30--30
                      Anonymous   Notes and Queries  . . . . . . . . . . . 30--32
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 32--32
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 32--32
                      Anonymous   Index of Inventions  . . . . . . . . . . 32--35
                      Anonymous   The Earthquake Disaster  . . . . . . . . 18--18
                      Anonymous   The Wright and Voisin (Farman) Flying
                                  Machines Compared  . . . . . . . . . . . 18--18
                      Anonymous   Engineering  . . . . . . . . . . . . . . 19--19
                      Anonymous   Electricity  . . . . . . . . . . . . . . 19--19
                      Anonymous   Science  . . . . . . . . . . . . . . . . 19--19
                      Anonymous   A New Rifle-Propelled Grenade  . . . . . 20--20
                      Anonymous   A Tunnel-Boring Machine  . . . . . . . . 20--20
                Herbert T. Wade   The Rockefeller Institute for Medical
                                  Research . . . . . . . . . . . . . . . . 21--22
                      Anonymous   A Novel Camera for Making Moving
                                  Pictures . . . . . . . . . . . . . . . . 22--22
                      Anonymous   Good Roads and the Price of Food . . . . 23--23
                      Anonymous   A Novel Filtration Plant . . . . . . . . 23--23
                      Anonymous   Cleaning Stone . . . . . . . . . . . . . 23--23
                      Anonymous   A Multi-Hull Ocean Steamship . . . . . . 23--23
                      Anonymous   The Krupp Steel Works of To-Day  . . . . 24--25
                 S. A. Mitchell   The Peculiar Behavior of Morehouse's
                                  Comet  . . . . . . . . . . . . . . . . . 26--26
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 27--27
              Frederick K. Lord   How to Build a Scooter . . . . . . . . . 28--29
                      Anonymous   A Cement Grindstone  . . . . . . . . . . 29--29
                       W. J. C.   Further Details of the Home-Made Vacuum
                                  Cleaner  . . . . . . . . . . . . . . . . 29--29
              L. Gessford Handy   Coasting Skates  . . . . . . . . . . . . 29--29
                 August Mencken   Reducing the Range of a Rifle  . . . . . 29--29
                      Anonymous   The Next Issue of Handy Man's Workshop   29--29
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 371--371
                      Anonymous   Recently Patented Inventions . . . . . . 377--377
                      Anonymous   Notes and Queries  . . . . . . . . . . . 377--378
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 378--379
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 379--379
                      Anonymous   Index of Inventions  . . . . . . . . . . 379--383
                      Anonymous   A Long-Delayed Tribute . . . . . . . . . 366--366
                      Anonymous   Our Stupendous Railway System  . . . . . 366--366
                      Anonymous   Comparative Tests of the Scout Cruisers  366--366
                      Anonymous   Return of the Wright Brothers  . . . . . 366--366
                      Anonymous   Engineering  . . . . . . . . . . . . . . 367--367
                      Anonymous   Electricity  . . . . . . . . . . . . . . 367--367
                      Anonymous   Science  . . . . . . . . . . . . . . . . 367--367
                      Anonymous   Cork-Lined Fabric --- a Textile Novelty  368--368
                      Anonymous   A New Color-Photography Process  . . . . 368--368
                      Anonymous   The Most Powerful Locomotives Ever Built 369--370
              Frederic R. Honey   The Lunar and Solar Eclipses in June,
                                  1909 . . . . . . . . . . . . . . . . . . 370--370
                      Anonymous   The New German Photography . . . . . . . 371--371
                  Jacques Boyer   The Palace of Mirages  . . . . . . . . . 371--372
                     M. Homolle   The Excavations at Delphi  . . . . . . . 373--374
                      Anonymous   Goblets of Ice . . . . . . . . . . . . . 374--374
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 375--375
                   O. D. Carter   Holder for Grinders  . . . . . . . . . . 375--375
                   I. G. Bayley   Tools for the Workshop --- II  . . . . . 375--375
               Alfred P. Morgan   A Tantalum Detector  . . . . . . . . . . 375--376
                J. A. Bergstrom   Thread Cutting without a Die . . . . . . 376--376
                 W. C. M'Kenzie   A Simple Method of Constructing a Handle 376--376
               John W. E. Laker   Method of Patching a Boiler  . . . . . . 376--376
               Joseph N. Parker   Pencil Sharpener . . . . . . . . . . . . 376--376
              Arthur E. Hagarty   Coppering Flowers without Wax  . . . . . 376--376
                       W. J. C.   Blue-Print Washer  . . . . . . . . . . . 376--376
                      Anonymous   Putting on a New Clutch Leather  . . . . 376--376
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 391--391
                      Anonymous   Recently Patented Inventions . . . . . . 396--396
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 396--396
                      Anonymous   Index of Inventions  . . . . . . . . . . 396--397
                      Anonymous   The Turbine the Complement of the
                                  Compound Engine  . . . . . . . . . . . . 386--386
                      Anonymous   Futile Criticisms of the Lock Canal  . . 386--386
                      Anonymous   Conditions of the Battleships after the
                                  Long Cruise  . . . . . . . . . . . . . . 386--386
                      Anonymous   Ornamentation in Lake-Dwellers'
                                  Habitations  . . . . . . . . . . . . . . 386--386
                      Anonymous   Engineering  . . . . . . . . . . . . . . 387--387
                      Anonymous   Electricity  . . . . . . . . . . . . . . 387--387
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 387--387
                Horace C. Hovey   Kaemper's Discoveries in the Mammoth
                                  Cave . . . . . . . . . . . . . . . . . . 388--388
                      Anonymous   A Wonderful Model of the Strasburg Clock 389--390
                  B. R. Winslow   Feeding the American Army  . . . . . . . 390--391
                      Anonymous   A Rack and Pinion Problem  . . . . . . . 391--391
                      Anonymous   Sulphate of Copper as a Fungicide  . . . 391--391
                      Anonymous   The ``North Dakota's'' Turbines  . . . . 391--391
                      Anonymous   Col. J. J. Astor's Vibratory
                                  Disintegrator  . . . . . . . . . . . . . 392--392
       Rowland Ashford Phillips   The Sigafoos Tunnel Machine  . . . . . . 393--394
                      Anonymous   Injury to the Turbines of the Scout
                                  ``Salem''  . . . . . . . . . . . . . . . 394--394
              Charles F. Holder   The Flying Gurnards  . . . . . . . . . . 395--395
        Alexander Petrunkevitch   Latrodectus --- The Poisonous Spider . . 395--395
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 407--407
           Henry Norris Russell   The Heavens in June  . . . . . . . . . . 410--410
                      Anonymous   Recently Patented Inventions . . . . . . 412--412
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 412--412
                      Anonymous   Index of Inventions  . . . . . . . . . . 412--415
                      Anonymous   To Keep the Peace  . . . . . . . . . . . 402--402
                      Anonymous   Station Announcers on Trains . . . . . . 402--402
                      Anonymous   Comparison of Steam and Producer-Gas
                                  Marine Plants  . . . . . . . . . . . . . 402--402
                      Anonymous   Defense Against Dirigibles . . . . . . . 402--402
                      Anonymous   Engineering  . . . . . . . . . . . . . . 403--403
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 403--403
                      Anonymous   Science  . . . . . . . . . . . . . . . . 403--403
                      Anonymous   The New Knippels Bridge at Copenhagen    404--404
              J. F. S. Springer   Fluid Compression of Steel Ingots  . . . 405--406
                      Anonymous   The New United States Battleship
                                  ``Mississippi''  . . . . . . . . . . . . 406--406
                      Anonymous   Slipping of Wheels on Curves . . . . . . 407--407
                      Anonymous   Some More Lunar Superstitions  . . . . . 407--407
                      Anonymous   Signaling to Mars with Mirrors . . . . . 407--407
                  Jacques Boyer   The Manufacture of French Postage Stamps 407--409
                      Anonymous   Patent Department  . . . . . . . . . . . 411--411
                      Anonymous   Can-Filling Machine  . . . . . . . . . . 411--411
                      Anonymous   Poultry-Picking Machine  . . . . . . . . 411--411
                      Anonymous   Self-Cleaning Brush  . . . . . . . . . . 411--411
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 423--423
                      Anonymous   Recently Patented Inventions . . . . . . 429--430
                      Anonymous   Notes and Queries  . . . . . . . . . . . 430--430
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 430--431
                      Anonymous   Index of Inventions  . . . . . . . . . . 431--435
                      Anonymous   Patent Notes: Patent . . . . . . . . . . 431--431
                      Anonymous   A Word to Aeroplane Builders . . . . . . 418--418
                      Anonymous   Naval Programme for 1911 . . . . . . . . 418--418
                      Anonymous   The Proposed New Waterway in Canada  . . 418--418
                      Anonymous   Storage of Coal under Water  . . . . . . 418--418
                      Anonymous   Engineering  . . . . . . . . . . . . . . 419--419
                      Anonymous   Electricity  . . . . . . . . . . . . . . 419--419
                      Anonymous   Science  . . . . . . . . . . . . . . . . 419--419
                      Anonymous   The Bursting of a Water Tank and Its
                                  Effect . . . . . . . . . . . . . . . . . 420--421
                      Anonymous   A Novel French Aeroplane . . . . . . . . 421--421
                      Anonymous   Some New American Aeroplanes . . . . . . 421--422
                      Anonymous   The Speed of the ``Mauretania''  . . . . 423--423
                      Anonymous   Auroras: Some Recent Theories  . . . . . 424--424
                   C. H. Claudy   Making the Eye of Science  . . . . . . . 425--425
            Harold J. Shepstone   Excavations at Jericho, Palestine  . . . 426--426
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 427--427
                      Anonymous   A Simple Method of Measuring the Speed
                                  of Photographic Shutters . . . . . . . . 427--427
                I. J. Kavanaugh   A Substitute for Tinfoil in Leyden Jars  427--428
                  Thaleon Blake   Ways to Brace Poles for Private
                                  Telephone Lines  . . . . . . . . . . . . 428--428
                   W. D. Graves   The Driving of a Nail  . . . . . . . . . 428--428
               W. Parkhurst and   
                   K. Parkhurst   Scroll-Saw Guide . . . . . . . . . . . . 428--428
                    L. G. Handy   Gage for Augers  . . . . . . . . . . . . 428--428
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 443--443
                      Anonymous   Recently Patented Inventions . . . . . . 448--448
                      Anonymous   Notes and Queries  . . . . . . . . . . . 448--448
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 448--448
                      Anonymous   Index of Inventions  . . . . . . . . . . 448--451
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 449--449
                      Anonymous   The Waste of our Natural Resources . . . 438--438
                      Anonymous   Fewer Broken Rails . . . . . . . . . . . 438--438
                      Anonymous   A New Fire-Alarm System for New York . . 438--438
                      Anonymous   Automobile . . . . . . . . . . . . . . . 439--439
                      Anonymous   Electricity  . . . . . . . . . . . . . . 439--439
                      Anonymous   Science  . . . . . . . . . . . . . . . . 439--439
                  Jacques Boyer   Belin's Improved Apparatus for the
                                  Electrical Transmission of Pictures  . . 440--440
                 J. F. Springer   Is the Earth's Shape Changing  . . . . . 441--442
                      Anonymous   Impressions of American Inventors. ---
                                  II . . . . . . . . . . . . . . . . . . . 443--443
                      Anonymous   Experiments with Hydroplanes or Skimmers 444--445
                  Victor Barton   Artificial Rubies  . . . . . . . . . . . 445--446
              Alfred Gradenwitz   An Automobile Trolley-Repair Truck . . . 446--446
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 447--447
              Frederick E. Ward   A Simple Medical Coil  . . . . . . . . . 447--447
        
                      Anonymous   Recently Patented Inventions . . . . . . 465--465
                      Anonymous   Notes and Queries  . . . . . . . . . . . 466--466
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 466--466
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 466--471
                      Anonymous   Longer Piers for Ocean Steamships  . . . 454--454
                      Anonymous   Lighter Than Air . . . . . . . . . . . . 454--454
                      Anonymous   The Award of the Fourth-Dimension Prize  454--454
                      Anonymous   Engineering  . . . . . . . . . . . . . . 455--455
                      Anonymous   Electricity  . . . . . . . . . . . . . . 455--455
                      Anonymous   Science  . . . . . . . . . . . . . . . . 455--455
          William Austin Cannon   Studying the Desert Plant by
                                  Experimental Methods . . . . . . . . . . 456--456
                 Walter Kendall   Improvements in the De Forest System of
                                  Wireless Telephony . . . . . . . . . . . 457--457
                      Anonymous   Development of the Transatlantic
                                  Steamship  . . . . . . . . . . . . . . . 458--459
                      Anonymous   The Aeronautic Society's First Curtiss
                                  Aeroplane  . . . . . . . . . . . . . . . 460--460
               Day Allen Willey   Los Angeles 200-Mile Conduit Water
                                  Supply . . . . . . . . . . . . . . . . . 460--460
                      Anonymous   Method of Correcting Faulty Acoustic
                                  Properties of Public Halls . . . . . . . 462--462
                      Anonymous   Patent Department  . . . . . . . . . . . 463--463
                      Anonymous   Combined Life Bail and Gutter for
                                  Swimming Pools . . . . . . . . . . . . . 463--463
                      Anonymous   Expansion Cutter-Head for Boring Brass   463--463
                      Anonymous   Distributer for Grain Bins . . . . . . . 463--463
                      Anonymous   Sanitary Milk and Cream Saving Device    463--464
                      Anonymous   A New Automobile Lock  . . . . . . . . . 464--464
                      Anonymous   Apparatus for Determining Density  . . . 464--464
                      Anonymous   Automatic Starting Device for Siphons    464--464
                      Anonymous   Oddities in Inventions . . . . . . . . . 464--464
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 479--479
                      Anonymous   Recently Patented Inventions . . . . . . 484--484
                      Anonymous   Notes and Queries  . . . . . . . . . . . 485--485
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 485--485
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 486--486
                      Anonymous   Index of Inventions  . . . . . . . . . . 486--491
                      Anonymous   Bearing of the Soo Canal Accident on
                                  Panama . . . . . . . . . . . . . . . . . 474--474
                      Anonymous   Queensboro Bridge a Safe Structure . . . 474--474
                      Anonymous   Engineering  . . . . . . . . . . . . . . 475--475
                      Anonymous   Electricity  . . . . . . . . . . . . . . 475--475
                      Anonymous   Science  . . . . . . . . . . . . . . . . 475--475
                      Anonymous   Some Tricks of the Moving Picture Maker  476--477
                      Anonymous   The Metropolitan Tower and the
                                  ``Zeppelin II'' Two Striking Comparisons 478--478
                      Anonymous   Large vs. Moderate-Sized Battleships . . 479--479
                      Anonymous   Pipes in Bail Ingots . . . . . . . . . . 479--479
                      Anonymous   Signaling to Mars  . . . . . . . . . . . 479--479
                   W. H. Lawton   Felling a Water Tank . . . . . . . . . . 480--480
              Alfred Gradenwitz   A Motor Plow . . . . . . . . . . . . . . 480--480
                      Anonymous   Recent French Aeroplanes and their
                                  Performances . . . . . . . . . . . . . . 481--481
                      Anonymous   The Construction of the Zeppelin Airship 481--481
                  M. M. Hunting   A Machine that Sets Ordinary Type  . . . 482--482
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 483--483
                   I. G. Bayley   A Convenient Carrying Arrangement for a
                                  Drawing Outfit . . . . . . . . . . . . . 483--483
        
                      Anonymous   Recently Patented Inventions . . . . . . 67--67
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 69--69
                      Anonymous   Index of Inventions  . . . . . . . . . . 69--75
                      Anonymous   The 1909 Automobile  . . . . . . . . . . 40--40
                      Anonymous   Standardizing the Automobile . . . . . . 40--40
                      Anonymous   Growth of the Automobile Industry  . . . 40--41
                      Anonymous   Alloy Steels and Automobile Durability   41--41
                      Anonymous   Cost of Running a Car  . . . . . . . . . 41--41
                      Anonymous   Selecting a Car  . . . . . . . . . . . . 41--41
                      Anonymous   The Buggy Type Automobile  . . . . . . . 41--41
                Benjamin Rogers   The Commercial Truck vs the Horse  . . . 42--43
               Roger B. Whitman   High Tension Ignition by Magneto . . . . 44--45
                Orrel A. Parker   Our Legion Tires and their Trouble . . . 46--46
              Thomas D. Hanauer   Automobile Lubrication --- Some
                                  Elementary Principles  . . . . . . . . . 48--49
                  E. W. Roberts   The Two-Cycle Automobile Motor . . . . . 50--50
                   George Heron   Handy Man's Workshop . . . . . . . . . . 52--53
                      Anonymous   Scraping Carbon from the Piston Heads    53--53
                      Anonymous   Relining the Brake Shoes . . . . . . . . 53--53
                      Anonymous   When a Lost Nut Cannot be Replaced . . . 53--53
                      Anonymous   Getting Home with a Weak Battery . . . . 53--53
                      Anonymous   Some Automobile Novelties  . . . . . . . 58--58
                      Anonymous   A Novel Carrying Case for Automobile
                                  Tires  . . . . . . . . . . . . . . . . . 58--58
                      Anonymous   A New Suspension for Automobiles . . . . 58--58
                      Anonymous   A Novel Speed-Changing Gear  . . . . . . 58--58
                      Anonymous   Automobile Notes and Suggestions . . . . 60--60
                      Anonymous   Correcting a Leaky Carbureter Float
                                  Valve  . . . . . . . . . . . . . . . . . 66--66
                      Anonymous   Getting Home with a Broken Universal
                                  Joint  . . . . . . . . . . . . . . . . . 66--66
                      Anonymous   Suppressing Rattle in Brakes, Mud
                                  Guards, Etc. . . . . . . . . . . . . . . 66--66
                      Anonymous   A Novel Gasoline Strainer  . . . . . . . 66--67
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 83--83
                      Anonymous   Recently Patented Inventions . . . . . . 89--89
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 89--89
                      Anonymous   Index of Inventions  . . . . . . . . . . 89--91
                      Anonymous   The Naval Programme for 1909 . . . . . . 78--78
                      Anonymous   Our Decadent Merchant Marine . . . . . . 78--78
                      Anonymous   The Traffic of a Great City  . . . . . . 78--78
                      Anonymous   Engineering  . . . . . . . . . . . . . . 79--79
                      Anonymous   Electricity  . . . . . . . . . . . . . . 79--79
                      Anonymous   Science  . . . . . . . . . . . . . . . . 79--79
                 George Forrest   The Submarine Mine . . . . . . . . . . . 80--81
                      Anonymous   Aeroplanes and Motors at the First Paris
                                  Aeronautical Salon . . . . . . . . . . . 81--82
                   W. J. Murray   The Scientific Aspect of Earthquakes and
                                  Volcanoes  . . . . . . . . . . . . . . . 82--83
                      Anonymous   Aeroplanes in Warfare  . . . . . . . . . 83--83
                      Anonymous   Multi-Hull Steamships  . . . . . . . . . 83--83
                      Anonymous   The Meat Industry of America --- I . . . 84--86
                      Anonymous   Concrete Steel Caissons  . . . . . . . . 86--86
                      Anonymous   Curious Life Histories . . . . . . . . . 87--87
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 88--88
                       W. J. C.   Mending a Cracked Bottle . . . . . . . . 88--88
                 A. C. Laurence   A Hydraulic Test for the Boiler  . . . . 88--88
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 99--99
           Henry Norris Russell   The Heavens in February  . . . . . . . . 102--103
                      Anonymous   Recently Patented Inventions . . . . . . 105--105
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 105--105
                      Anonymous   Index of Inventions  . . . . . . . . . . 105--107
                      Anonymous   The Gatun Dam Misrepresentations . . . . 94--94
                      Anonymous   The Ninth Annual Automobile Show in
                                  Madison Square Garden  . . . . . . . . . 94--94
                      Anonymous   The Labor Involved in Liquefying Helium  94--94
                      Anonymous   Engineering  . . . . . . . . . . . . . . 95--95
                      Anonymous   Electricity  . . . . . . . . . . . . . . 95--95
                      Anonymous   Science  . . . . . . . . . . . . . . . . 95--95
                      Anonymous   The British Army Aeroplane . . . . . . . 96--96
                      Anonymous   Aeronautical Notes . . . . . . . . . . . 96--96
               Roger B. Whitman   Taximeter Frauds . . . . . . . . . . . . 97--98
                      Anonymous   Clay Products of the United States . . . 98--99
                      Anonymous   Automatic Block Signals  . . . . . . . . 99--99
                      Anonymous   The Meat Industry of America --- II  . . 99--102
                      L. Lodian   Some Breads of Other Lands . . . . . . . 103--103
                      Anonymous   Milk-Bottle Holder . . . . . . . . . . . 104--104
                      Anonymous   Device for Testing Eggs  . . . . . . . . 104--104
                      Anonymous   Flowing Oil Wells by Compressed Air  . . 104--104
                      Anonymous   Finger-Developing Device . . . . . . . . 104--104
                      Anonymous   Vehicle Wheel Sled Runner  . . . . . . . 104--104
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 115--115
                      Anonymous   Recently Patented Inventions . . . . . . 122--123
                      Anonymous   Notes and Queries  . . . . . . . . . . . 123--123
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 124--124
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--127
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 124--124
                      Anonymous   Lessons of the ``Republic'' Disaster . . 110--110
                      Anonymous   France and the Aeroplane . . . . . . . . 110--110
                      Anonymous   The ``Trust'' System as Applied to
                                  Scientific Research  . . . . . . . . . . 110--110
                      Anonymous   Engineering  . . . . . . . . . . . . . . 111--111
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 111--111
                      Anonymous   Science  . . . . . . . . . . . . . . . . 111--111
               W. Frank M'clure   The Industrial Use of the Lifting Magnet 112--112
              Edward C. Sherman   The Improvement of the Charles River at
                                  Boston Mass  . . . . . . . . . . . . . . 113--114
                 S. A. Mitchell   A Sensitive Thermometer  . . . . . . . . 114--115
                      Anonymous   That Aerolite Again  . . . . . . . . . . 115--115
                      Anonymous   Are Filtering Beds Correctly
                                  Constructed? . . . . . . . . . . . . . . 115--116
                      Anonymous   The Physical Energy of the House-Fly . . 116--116
                         A. Lay   Present Conditions in the Panama Canal
                                  Zone . . . . . . . . . . . . . . . . . . 117--117
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 120--120
                Charles Lurcott   How to Wind a Spaced Coil Spring . . . . 120--120
                   C. A. Pitkin   A Joint for the Work Bench . . . . . . . 120--120
                       T. Fagan   Patch for Kitchen Boilers  . . . . . . . 120--120
                 Fred G. Warner   Another Method of Making Metal Lamp
                                  Shades . . . . . . . . . . . . . . . . . 120--121
                      Anonymous   Stopcock of Glass Tubing . . . . . . . . 121--121
                      Anonymous   Simple Support for Bicycles  . . . . . . 121--121
             A. V. Searing, Jr.   How to File Round Work . . . . . . . . . 121--121
                      Anonymous   How to Mend a Hammock or Fishing Net . . 121--121
                      Anonymous   A Fire-Plug Wrench . . . . . . . . . . . 121--121
                 William Hooper   How to Solder Aluminium  . . . . . . . . 121--121
                      Anonymous   Straightening Buckled Castings . . . . . 121--121
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 135--135
                      Anonymous   Recently Patented Inventions . . . . . . 140--140
                      Anonymous   Notes and Queries  . . . . . . . . . . . 141--141
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 141--141
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 141--141
                      Anonymous   Index of Inventions  . . . . . . . . . . 141--143
                      Anonymous   The Lock-and-Lake Canal Approved . . . . 130--130
                      Anonymous   Cuba's Debt to our Engineers . . . . . . 130--130
                      Anonymous   Congress and Military Aeronautics  . . . 130--130
                      Anonymous   The High-Pressure Fire Automobile  . . . 130--130
                      Anonymous   The New York Motor Boat Show . . . . . . 130--130
                      Anonymous   Engineering  . . . . . . . . . . . . . . 131--131
                      Anonymous   Electricity  . . . . . . . . . . . . . . 131--131
                      Anonymous   Science  . . . . . . . . . . . . . . . . 131--131
                  Jacques Boyer   Projecting Moving Pictures in the Light  132--132
                      Anonymous   An Egyptian Steam Cultivator . . . . . . 133--133
              Frederic R. Honey   The Opposition of Mars in 1909 . . . . . 134--134
                      Anonymous   The Practical Side of Aerial Locomotion  135--135
                      Anonymous   Comparison of Wright and Voisin
                                  Aeroplanes . . . . . . . . . . . . . . . 135--135
                      Anonymous   More Curious Facts about Numbers . . . . 135--135
                      Anonymous   The Aurora Borealis and Morehouse's
                                  Comet  . . . . . . . . . . . . . . . . . 135--135
                      Anonymous   Magnetism and the Aurora . . . . . . . . 135--135
                      Anonymous   Novel Life-Saving Apparatus  . . . . . . 136--136
        William Atherton Du Puy   Road Building by the United States in
                                  Cuba . . . . . . . . . . . . . . . . . . 136--138
                 Jacob Reighard   Photographing Animals under Water  . . . 138--139
                      Anonymous   A New Direct-Reading Photometer  . . . . 139--139
                      Anonymous   A \$250 Prize for a Wet-Grain Conveying
                                  System . . . . . . . . . . . . . . . . . 140--140
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 156--156
                      Anonymous   Recently Patented Inventions . . . . . . 158--158
                      Anonymous   Index of Inventions  . . . . . . . . . . 158--163
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 158--158
                      Anonymous   Lessons and Results of the Battleship
                                  Cruise . . . . . . . . . . . . . . . . . 146--146
                      Anonymous   The Electric Potentiality of Fruit and
                                  Vegetables . . . . . . . . . . . . . . . 146--146
                      Anonymous   Pseudo-Volcanic Eruptions  . . . . . . . 146--146
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 147--147
                      Anonymous   Electricity  . . . . . . . . . . . . . . 147--147
                      Anonymous   Science  . . . . . . . . . . . . . . . . 147--147
                      Anonymous   Comparative Strength of the Navies of
                                  the World  . . . . . . . . . . . . . . . 148--149
                      Anonymous   Our System of Seacoast Fortifications    149--150
                      Anonymous   The Silent Gun --- Counterpart of
                                  Smokeless Powder . . . . . . . . . . . . 150--150
                      Anonymous   Santiago and Atlantic Fleets Compared    150--151
                      Anonymous   The Extension of the Chicago, Milwaukee
                                  St. Paul Railway to the Pacific Coast    151--152
                      Anonymous   Carnegie Institution Magnetic Survey of
                                  the World  . . . . . . . . . . . . . . . 153--153
                      Anonymous   Composition of the Fleet which Sailed
                                  around the World . . . . . . . . . . . . 156--156
                      Anonymous   A Yacht Designer's Opinion of the Navy
                                  Situation  . . . . . . . . . . . . . . . 156--156
                      Anonymous   Alcoline . . . . . . . . . . . . . . . . 156--156
                      Anonymous   A Combination Anchor . . . . . . . . . . 157--157
                      Anonymous   The Itinerary of the Cruise  . . . . . . 157--157
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 170--170
           Henry Norris Russell   The Heavens in March . . . . . . . . . . 174--174
                      Anonymous   Recently Patented Inventions . . . . . . 176--176
                      Anonymous   Notes and Queries  . . . . . . . . . . . 176--176
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 176--176
                      Anonymous   Index of Inventions  . . . . . . . . . . 176--179
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 176--176
                      Anonymous   Engineers Report in Favor of Lock Canal  166--166
                      Anonymous   Double-Side-Door Trains on the Subway    166--166
                      Anonymous   Consolidation of the Naval Bureaus . . . 166--166
                      Anonymous   Engineering  . . . . . . . . . . . . . . 167--167
                      Anonymous   Electricity  . . . . . . . . . . . . . . 167--167
                      Anonymous   Science  . . . . . . . . . . . . . . . . 167--167
                      Anonymous   A ``Putting-On'' Tool  . . . . . . . . . 168--168
                S. P. Fergusson   The Exploration of the Upper Air by
                                  means of Ballons Sondes  . . . . . . . . 169--170
                      Anonymous   Impressions of American Inventors --- I,
                                  Thomas A. Edison . . . . . . . . . . . . 171--171
                      Anonymous   Motoring on Runners  . . . . . . . . . . 172--173
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 175--175
              John A. Bergstrom   Home-Made Adjustable Socket for Tungsten
                                  Lamps  . . . . . . . . . . . . . . . . . 175--175
                   I. Q. Bayley   Furnishing the Workshop --- III  . . . . 175--175
                    E. E. Clock   Bicycle Coasting Sled  . . . . . . . . . 175--175
                    B. A. Johns   How to Drill through Brick and Soft
                                  Stone  . . . . . . . . . . . . . . . . . 175--175
              George E. Huggins   Another Method of Reducing the Range of
                                  a Springfield Rifle  . . . . . . . . . . 175--175
        
           Henry Norris Russell   The Heavens in July  . . . . . . . . . . 12--12
                      Anonymous   Recently Patented Inventions . . . . . . 14--14
                      Anonymous   Notes and Queries  . . . . . . . . . . . 14--14
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 14--14
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 15--15
                      Anonymous   Index of Inventions  . . . . . . . . . . 15--19
                      Anonymous   Fact and Fancy in Aeronautics  . . . . . 4--4
                      Anonymous   The Cape Cod Canal . . . . . . . . . . . 4--4
                      Anonymous   The Copyright Act  . . . . . . . . . . . 4--4
                      Anonymous   Engineering  . . . . . . . . . . . . . . 5--5
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 5--5
                      Anonymous   Science  . . . . . . . . . . . . . . . . 5--5
                      Anonymous   The Fourth Dimension Simply Explained    6--6
                      Anonymous   The Cotton Industry of the United States 7--8
                      Anonymous   The ``Michigan'' --- Our First
                                  ``Dreadnought''  . . . . . . . . . . . . 9--9
                Herbert T. Wade   A Museum to Illustrate the Development
                                  of Mathematics . . . . . . . . . . . . . 10--10
                      Anonymous   A Huge Filtered Water Reservoir for
                                  London . . . . . . . . . . . . . . . . . 11--11
                   Morris Rader   To Install a Motor in a Small Boat . . . 13--13
                 August Mencken   Handy Man's Surveying Instrument . . . . 13--13
            Charles A. Umoselle   A Home-Made Spray Outfit . . . . . . . . 13--13
                J. A. Bergstrom   How to Mend Garden Hose  . . . . . . . . 13--13
                      Anonymous   A Good Substitute for Leather Belting    13--13
        
                      Anonymous   Recently Patented Inventions . . . . . . 165--166
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 166--166
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 166--166
                      Anonymous   Index of Inventions  . . . . . . . . . . 166--171
                      Anonymous   Lessons of the Rheims Aviation Contests  154--154
                      Anonymous   A Sanitary Drainage Canal for Buffalo    154--154
                      Anonymous   Why do Watch Mainsprings Break?  . . . . 154--154
                      Anonymous   The First Voyage of the ``Zeppelin III'' 154--154
                      Anonymous   Engineering  . . . . . . . . . . . . . . 155--155
                      Anonymous   Electricity  . . . . . . . . . . . . . . 155--155
                      Anonymous   Science  . . . . . . . . . . . . . . . . 155--155
                      Anonymous   A New Speed Indicator for Marine
                                  Propellers . . . . . . . . . . . . . . . 156--156
                      Anonymous   Powerful Hoisting and Conveying Machine  156--156
               Esther Singleton   Hieroglyphs of the Heavens . . . . . . . 157--158
                      Anonymous   The Aviation Meeting at Rheims . . . . . 159--159
                   S. Mays Ball   Measuring a River's Flow . . . . . . . . 160--160
                      Anonymous   German Museum of Masterpieces of Science
                                  and Industry . . . . . . . . . . . . . . 161--162
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 163--163
                Gustave Michaud   Home-Made Chemical Perfume . . . . . . . 163--164
                   I. G. Bayley   Paper Hanger's Adjustable Templet  . . . 164--164
                George F. Worts   How to Make a Simple Dry Battery . . . . 164--164
              Charles A. Sidman   Home-Grown Calabash Gourds . . . . . . . 164--164
                   R. W. Pearse   The Handy Man's Spark Plug . . . . . . . 164--164
             Robert H. Brockman   How to Make a Simple Electric Engine . . 164--164
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 178--178
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 181--185
                      Anonymous   Index of Inventions  . . . . . . . . . . 181--186
                      Anonymous   Recently Patented Inventions . . . . . . 184--184
                      Anonymous   Notes and Queries  . . . . . . . . . . . 184--184
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 184--185
                      Anonymous   Dr. Cook and the North Pole  . . . . . . 174--174
                      Anonymous   The Transatlantic Record . . . . . . . . 174--174
                      Anonymous   Economic Loss of Overcrowding  . . . . . 174--174
                      Anonymous   The Elimination of Grade Crossings . . . 174--174
                      Anonymous   Engineering  . . . . . . . . . . . . . . 175--175
                      Anonymous   Electricity  . . . . . . . . . . . . . . 175--175
                      Anonymous   Science  . . . . . . . . . . . . . . . . 175--175
             M. Hamilton Talbot   Counting our People by Machine . . . . . 176--176
               Day Allen Willey   How Sudd Chokes the Nile River . . . . . 177--178
                      Anonymous   The Recent Curious Eclipse of the Sun    178--178
                 J. F. Springer   The Seven Bridges of Königsberg and other
                                  Puzzles  . . . . . . . . . . . . . . . . 179--180
                      Anonymous   Termination of the Rheims Aviation
                                  Meeting  . . . . . . . . . . . . . . . . 180--181
                      Anonymous   A Novel Cantilever Grain Elevator  . . . 182--183
                      Anonymous   Dr. Cook's Discovery of the North Pole   183--183
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 195--195
                      Anonymous   Recently Patented Inventions . . . . . . 200--200
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 200--200
                      Anonymous   Index of Inventions  . . . . . . . . . . 200--203
                      Anonymous   Honor to Whom Honor is Due . . . . . . . 190--190
                      Anonymous   Report of the Chief of Ordnance  . . . . 190--190
                      Anonymous   The Composition of the Upper Atmosphere  190--190
                      Anonymous   Engineering  . . . . . . . . . . . . . . 191--191
                      Anonymous   Electricity  . . . . . . . . . . . . . . 191--191
                      Anonymous   Science  . . . . . . . . . . . . . . . . 191--191
                      Anonymous   An Automatic Electric Fog-Signaling
                                  Apparatus for Railroads  . . . . . . . . 192--192
                      Anonymous   Rat Destruction by Electric Current  . . 192--192
              Alfred Gradenwitz   Portable Outlooks for Artillery Trains   193--194
                      Anonymous   A Heat Paradox . . . . . . . . . . . . . 195--195
                      Anonymous   Early Suggestions of Invading England by
                                  Balloon  . . . . . . . . . . . . . . . . 195--195
                      Anonymous   Sheet Lightning  . . . . . . . . . . . . 195--195
                      Anonymous   Latin-American Trade . . . . . . . . . . 195--195
                      Anonymous   Trees as Witnesses in Early Surveying    195--195
                      Anonymous   Commander Peary's Discovery of the North
                                  Pole . . . . . . . . . . . . . . . . . . 196--197
                      Anonymous   How Cook made his Latitude Observations  197--198
                      Anonymous   Capt Cody's British Army Aeroplane . . . 198--198
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 199--199
                  Thaleon Blake   The Cold Process of Making Sirup . . . . 199--199
             A. V. Searing, Jr.   Vise for Polished Pipe . . . . . . . . . 199--199
                      Anonymous   Temporary Repairs to Broken Springs  . . 199--199
               Albert F. Bishop   Simple Tapered Reamer  . . . . . . . . . 199--199
           F. P. M'dermott, Jr.   A Cheap Lamp Rheostat  . . . . . . . . . 199--199
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 215--215
                      Anonymous   Recently Patented Inventions . . . . . . 229--230
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 231--231
                      Anonymous   Index of Inventions  . . . . . . . . . . 231--235
                      Anonymous   The ``Wash'' of an Aeroplane . . . . . . 208--208
                      Anonymous   The Return of Halley's Comet . . . . . . 208--208
                      Anonymous   The Selden Patent Case . . . . . . . . . 208--208
                      Anonymous   Engineering  . . . . . . . . . . . . . . 209--209
                      Anonymous   Electricity  . . . . . . . . . . . . . . 209--209
                      Anonymous   Science  . . . . . . . . . . . . . . . . 209--209
                      Anonymous   Hudson and his Exploration of the Hudson
                                  River  . . . . . . . . . . . . . . . . . 210--211
                      Anonymous   The Four Periods of Hudson River History 211--211
                      Anonymous   Fulton and his Life Work . . . . . . . . 212--214
                      Anonymous   What is Heat Lightning . . . . . . . . . 215--215
                      Anonymous   How Finger and Thumb marks were
                                  Discovered through a Photographic Proof  215--215
                      Anonymous   Electrical Fireballs: What Are They? . . 215--215
                      Anonymous   Does Municipal Ownership Pay . . . . . . 215--215
                      Anonymous   Supersensitiveness of the Blind  . . . . 215--215
                      Anonymous   Development of the Hudson River
                                  Steamboat  . . . . . . . . . . . . . . . 216--217
                      Anonymous   American Steamboats Prior to the
                                  ``Clermont'' . . . . . . . . . . . . . . 218--218
                      Anonymous   John Fitch . . . . . . . . . . . . . . . 218--219
                      Anonymous   European Steamboats Prior to the
                                  ``Clermont'' . . . . . . . . . . . . . . 222--222
                      Anonymous   William Symington  . . . . . . . . . . . 222--222
                      Anonymous   John Stevens . . . . . . . . . . . . . . 222--222
                      Anonymous   The American Walking-Beam Engine . . . . 223--223
                      Anonymous   Three Hundred Years of New York  . . . . 224--226
        
           Henry Norris Russell   The Heavens in October . . . . . . . . . 246--246
                      Anonymous   Recently Patented Inventions . . . . . . 248--248
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 248--248
                      Anonymous   Index of Inventions  . . . . . . . . . . 248--251
                      Anonymous   True Significance of the Hudson--Fulton
                                  Festival . . . . . . . . . . . . . . . . 238--238
                      Anonymous   One Hundred Years of the Marine Engine   238--238
                      Anonymous   Combating Injurious Insects with the Aid
                                  of their Natural Enemies . . . . . . . . 238--238
                      Anonymous   Engineering  . . . . . . . . . . . . . . 239--239
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 239--239
                      Anonymous   Science  . . . . . . . . . . . . . . . . 239--239
              Harlan T. Stetson   How We Get Standard Time . . . . . . . . 240--240
                      Anonymous   Corrugated System of Ship Construction   241--241
                      Anonymous   The Gabet Wirelessly-Controlled
                                  Automatic Torpedo  . . . . . . . . . . . 241--242
                      Anonymous   The ``Zeppelin III.'' Airship and Its
                                  Trip to Berlin . . . . . . . . . . . . . 242--243
           John Elfreth Watkins   The Modern Icarus  . . . . . . . . . . . 243--245
                      Anonymous   Patent Department  . . . . . . . . . . . 247--247
                      Anonymous   Sanitary Refuse Receptacle . . . . . . . 247--247
                      Anonymous   Convenient Book Holder . . . . . . . . . 247--247
                      Anonymous   Improved Cutter Head . . . . . . . . . . 247--247
                      Anonymous   Rail Fastener  . . . . . . . . . . . . . 247--247
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 259--259
                      Anonymous   Recently Patented Inventions . . . . . . 265--265
                      Anonymous   Notes and Queries  . . . . . . . . . . . 266--266
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 266--267
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 267--267
                      Anonymous   Index of Inventions  . . . . . . . . . . 267--269
                      Anonymous   Philadelphia, the Delaware River, and
                                  John Fitch . . . . . . . . . . . . . . . 254--254
                      Anonymous   Palestine and Syria the Original Cereal
                                  Countries  . . . . . . . . . . . . . . . 254--254
                      Anonymous   Home-Grown Sugar-Beet Seed . . . . . . . 254--254
                      Anonymous   The Platinum Market  . . . . . . . . . . 254--254
                      Anonymous   Engineering  . . . . . . . . . . . . . . 255--255
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 255--255
                      Anonymous   Science  . . . . . . . . . . . . . . . . 255--255
                      Anonymous   Stereoscopic Moving Pictures in Natural
                                  Colors . . . . . . . . . . . . . . . . . 256--256
                      Anonymous   Erection of the Fades Viaduct  . . . . . 257--258
                      Anonymous   The Pope and the Comet . . . . . . . . . 259--259
                      Anonymous   The Number of Our Ancestors  . . . . . . 259--259
                      Anonymous   The Number of Our Ancestors and of Our
                                  Future Cousins . . . . . . . . . . . . . 259--259
                      Anonymous   Why Do Main Springs Break? . . . . . . . 259--259
               W. Frank M'clure   Open-Air Orchard Heating in Colorado . . 260--261
                      Anonymous   The Visiting Warships --- a Comparison   261--262
                      Anonymous   A Novel Air Pump and Vacuum Gage . . . . 262--262
                   C. L. Swezey   Handy Man's Workshop . . . . . . . . . . 263--263
                    B. A. Johns   Thermostatic Regulator for Smoke Pipes   263--263
                J. A. Bergstrom   Circulating Pipe for Hot-Water Faucets   263--263
                       H. G. L.   How to Connect Stove Pipes . . . . . . . 263--263
                  John B. Allen   Hot-Water Connection for Kitchen Boilers 263--264
                   J. A. Brophy   A Screen for the Register  . . . . . . . 264--264
                   A. F. Bishop   The Boiler Maker's Tool Bag  . . . . . . 264--264
                   A. J. Jarman   Coating Roofs White to Repel Heat Rays   264--264
               Alfred P. Morgan   A Muffler for Gas Engines  . . . . . . . 264--264
                    L. G. Handy   To Prevent Coal Gas  . . . . . . . . . . 264--264
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 278--278
                      Anonymous   Recently Patented Inventions . . . . . . 284--284
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 285--285
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 285--285
                      Anonymous   Index of Inventions  . . . . . . . . . . 285--287
                      Anonymous   Educational Value of the Hudson--Fulton
                                  Celebration  . . . . . . . . . . . . . . 274--274
                      Anonymous   Evolution Not Revolution . . . . . . . . 274--274
                      Anonymous   The Most Powerful Naval Gun  . . . . . . 274--274
                      Anonymous   The Record Flights of Orville and Wilbur
                                  Wright . . . . . . . . . . . . . . . . . 274--274
                      Anonymous   Engineering  . . . . . . . . . . . . . . 275--275
                      Anonymous   Electricity  . . . . . . . . . . . . . . 275--275
                      Anonymous   Science  . . . . . . . . . . . . . . . . 275--275
                      Anonymous   Cycling Trick in a Berlin Variety
                                  Theater  . . . . . . . . . . . . . . . . 276--276
                      Anonymous   The First Photograph of Halley's Comet   276--276
            P. Harvey Middleton   Saving the American Lobster  . . . . . . 277--278
                      Anonymous   The Number of our Ancestors  . . . . . . 278--278
                   James Arthur   Strange Scientific Anomalies at the
                                  North Pole . . . . . . . . . . . . . . . 279--279
                      Anonymous   Playing a 'Cello by Compressed Air . . . 280--280
                      Anonymous   Moving a Mountain in Utah  . . . . . . . 281--282
                      Anonymous   A New Automatic Electric Signaling
                                  System for Railroads . . . . . . . . . . 282--282
             J. Mayne Baltimore   The Vessel that Accomplished the
                                  Northwest Passage  . . . . . . . . . . . 283--283
              Charles F. Holder   A Tame Nautilus  . . . . . . . . . . . . 283--283
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 295--295
                      Anonymous   Recently Patented Inventions . . . . . . 301--301
                      Anonymous   Notes and Queries  . . . . . . . . . . . 301--301
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 301--302
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 302--302
                      Anonymous   Index of Inventions  . . . . . . . . . . 302--302
                      Anonymous   A Talk with Wilbur Wright  . . . . . . . 290--290
                      Anonymous   The New British ``Dreadnoughts'' and
                                  ``Inflexibles''  . . . . . . . . . . . . 290--290
                      Anonymous   Some Photochemical Reactions . . . . . . 290--290
                      Anonymous   The Spectrum of Mars . . . . . . . . . . 290--290
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 291--291
                      Anonymous   Electricity  . . . . . . . . . . . . . . 291--291
                      Anonymous   Science  . . . . . . . . . . . . . . . . 291--291
                      Anonymous   The First German Monoplane to Make
                                  Successful Flights . . . . . . . . . . . 292--292
                      Anonymous   The Aviation Meet at Berlin and Latham's
                                  Flight across the City . . . . . . . . . 292--292
                  Jacques Boyer   A Simplified Method of Teaching
                                  Experimental Physics . . . . . . . . . . 293--294
              Frederic R. Honey   Saturn and His Rings . . . . . . . . . . 294--294
                      Anonymous   The Height of Mount Rainier  . . . . . . 295--295
                      Anonymous   The \booktitleScientific American at
                                  Jericho  . . . . . . . . . . . . . . . . 295--295
                      Anonymous   Why Not a Monument to Fitch? . . . . . . 295--295
                      Anonymous   ``Inflexible'' and ``Connecticut''
                                  Compared . . . . . . . . . . . . . . . . 295--295
                      Anonymous   Result of a Lightning Stroke . . . . . . 295--295
                      Anonymous   The Number of our Ancestors  . . . . . . 295--295
                      Anonymous   The Highest Human Ascent . . . . . . . . 295--295
                      Anonymous   Aerial Warfare in 1798 . . . . . . . . . 295--295
                      Anonymous   The Latest Submarines of the United
                                  States Navy  . . . . . . . . . . . . . . 296--296
                      Anonymous   An all Seeing Eye for the Submarine  . . 297--297
                      Anonymous   Col. John Jacob Astor's Novel Steamship
                                  Chair  . . . . . . . . . . . . . . . . . 298--298
                     R. W. Wood   Handy Man's Workshop . . . . . . . . . . 299--299
              Frederick E. Ward   Alternating Current Experiments  . . . . 299--300
                 James Paterson   Device for Removing Wood Screws  . . . . 300--300
              Howard W. Nichols   Mending a Broken Metallic Filament . . . 300--300
                   F. A. Kaiser   A Simple Fruit Cellar  . . . . . . . . . 300--300
                  C. R. M'gahey   How to Make a Paper Telescope Barrel . . 300--300
               Edward M. Hanson   Restoring a Dry Cell . . . . . . . . . . 300--300
                 August Mencken   The Handy Man's Sub-Caliber Gun  . . . . 300--300
                 C. W. Fairbank   A Device for Emptying a Tub  . . . . . . 300--300
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 315--315
           Henry Norris Russell   The Heavens in November  . . . . . . . . 318--318
                      Anonymous   Recently Patented Inventions . . . . . . 320--320
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 320--321
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 321--321
                      Anonymous   Index of Inventions  . . . . . . . . . . 321--323
                      Anonymous   Slag a Cause of Broken Rails . . . . . . 310--310
                      Anonymous   Our Vanishing Timber Supply  . . . . . . 310--310
                      Anonymous   Death of Prof. Lombroso  . . . . . . . . 310--310
                      Anonymous   Count De Lambert's Flight over the
                                  Eiffel Tower . . . . . . . . . . . . . . 310--310
                      Anonymous   Engineering  . . . . . . . . . . . . . . 311--311
                      Anonymous   Electricity  . . . . . . . . . . . . . . 311--311
                      Anonymous   Science  . . . . . . . . . . . . . . . . 311--311
              Alfred Gradenwitz   The Brussels Popular Electrical
                                  Laboratory . . . . . . . . . . . . . . . 312--312
                      Anonymous   A Curious Chemical Growth  . . . . . . . 313--313
                      Anonymous   Playing with Fire  . . . . . . . . . . . 313--313
                      Anonymous   Measuring Holes by Electricity . . . . . 313--313
                      Anonymous   Differential Speed Indicator . . . . . . 313--313
                      Anonymous   Accident Preventer . . . . . . . . . . . 313--313
                      Anonymous   A Surveyor's Telephoto . . . . . . . . . 313--313
                      Anonymous   High-Speed Destroyers for the United
                                  States Navy  . . . . . . . . . . . . . . 314--314
                      Anonymous   Leduc's Figures  . . . . . . . . . . . . 315--315
                      Anonymous   Why Do Watch Springs Break?  . . . . . . 315--315
                      Anonymous   A Magic Square . . . . . . . . . . . . . 315--315
                      Anonymous   The Breaking of Main Springs in Storms   315--315
                      Anonymous   An Optical Phenomenon  . . . . . . . . . 315--315
         Frederic Blount Warren   How Germany Makes Forestry Pay . . . . . 316--317
                      Anonymous   Patent Department  . . . . . . . . . . . 319--319
                      Anonymous   Sleigh-Runner Attachment for Baby
                                  Carriages  . . . . . . . . . . . . . . . 319--319
                      Anonymous   Combined Friction and Jaw Clutch . . . . 319--319
                      Anonymous   A Perfected Form of Lock Nut . . . . . . 319--319
                      Anonymous   Oddities in Invention  . . . . . . . . . 319--319
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 331--331
                      Anonymous   Recently Patented Inventions . . . . . . 337--337
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 337--338
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 338--338
                      Anonymous   Index of Inventions  . . . . . . . . . . 338--340
                      Anonymous   The America's Cup  . . . . . . . . . . . 326--326
                      Anonymous   Dover's Great Artificial Harbor  . . . . 326--326
                      Anonymous   Improvements in New York's High-Pressure
                                  Fire Service . . . . . . . . . . . . . . 326--326
                      Anonymous   Engineering  . . . . . . . . . . . . . . 327--327
                      Anonymous   Electricity  . . . . . . . . . . . . . . 327--327
                      Anonymous   Science  . . . . . . . . . . . . . . . . 327--327
               Frank C. Perkins   A Remarkable Mexican Concrete Conduit at
                                  Guadalajara  . . . . . . . . . . . . . . 328--328
                      Anonymous   Terrific Boiler Explosion in Milwaukee   329--329
                 J. F. Springer   Some Principles of Ball-Bearing Design   329--330
                      Anonymous   A Curious Star Map . . . . . . . . . . . 330--330
                      Anonymous   The Number of Our Ancestors  . . . . . . 331--331
                      Anonymous   The 10,000-Ton Suction Dredger
                                  ``Leviathan'' for Use on the Mersey  . . 332--332
                      Anonymous   Some Curiosities of Invention  . . . . . 332--332
                      Anonymous   The Attitude of Diplodocus . . . . . . . 334--334
                  B. S. Bowdish   Birds of Passage . . . . . . . . . . . . 335--335
                      Anonymous   The Ophthalmo-Diaphanoscope  . . . . . . 336--336
                      Anonymous   Testing Bitumens for Pavements . . . . . 336--336
        
                      Anonymous   Recently Patented Inventions . . . . . . 32--32
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 32--32
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 32--32
                      Anonymous   Index of Inventions  . . . . . . . . . . 32--32
                      Anonymous   The Electric Locomotive of the Future    22--22
                      Anonymous   Drydocks for our Biggest Battleships . . 22--22
                      Anonymous   The Railways of the World  . . . . . . . 22--22
                      Anonymous   The Directive Sense of Bees  . . . . . . 22--22
                      Anonymous   Engineering  . . . . . . . . . . . . . . 23--23
                      Anonymous   Electricity  . . . . . . . . . . . . . . 23--23
                      Anonymous   Science  . . . . . . . . . . . . . . . . 23--23
                 J. E. Kirkwood   The Guayule Rubber Industry  . . . . . . 24--24
                Herbert T. Wade   The Standard Electrical Cell --- Its use
                                  and Its Practical Value  . . . . . . . . 25--26
                      Anonymous   A 5,000-Ton Testing Machine  . . . . . . 26--26
                      Anonymous   The Fourth Dimension Simply Explained    27--27
               J. Hammond Smith   Carving Statues by Means of Photography  28--28
                      Anonymous   The First Flight Exhibition and
                                  Tournament of the Aeronautic Society . . 29--29
        George Sherwood Hodgins   A Huge Planetarium . . . . . . . . . . . 30--30
                      Anonymous   Patent Department  . . . . . . . . . . . 31--31
                      Anonymous   Improved Head for Stringed Musical
                                  Instruments  . . . . . . . . . . . . . . 31--31
                      Anonymous   Padlock with Incased Bolt  . . . . . . . 31--31
                      Anonymous   Metal Rail Base and Cross Tie for
                                  Railway Tracks . . . . . . . . . . . . . 31--31
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 351--351
                      Anonymous   Recently Patented Inventions . . . . . . 357--357
                      Anonymous   Notes and Queries  . . . . . . . . . . . 357--358
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 358--358
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 358--358
                      Anonymous   Index of Inventions  . . . . . . . . . . 358--360
                      Anonymous   Local Magnetic Disturbances and the
                                  Genesis of Petroleum . . . . . . . . . . 346--346
                      Anonymous   The Fifth Vanderbilt Cup Race and the
                                  Good Roads Tour from New York to Atlanta 346--346
                      Anonymous   Non-Toxic Coffee and Tea . . . . . . . . 346--346
                      Anonymous   Engineering  . . . . . . . . . . . . . . 347--347
                      Anonymous   Electricity  . . . . . . . . . . . . . . 347--347
                      Anonymous   Science  . . . . . . . . . . . . . . . . 347--347
          Ferdinand Worthington   Archaeological Relics from the Sea . . . 348--349
                   C. H. Claudy   Our Aeronautical Organization  . . . . . 350--350
                      Anonymous   Magnetism and the Breaking of Watch
                                  Springs  . . . . . . . . . . . . . . . . 351--351
                      Anonymous   The Renaissance Clergy and Science . . . 351--351
                      Anonymous   Making Alcohol from Wood Waste . . . . . 352--352
                      Anonymous   Trials of the New ``Dreadnought'' ---
                                  ``North Dakota'' . . . . . . . . . . . . 352--354
                      Anonymous   The Record Flights of Count De Lambert
                                  and Henry Farman . . . . . . . . . . . . 354--354
              F. Willard Browne   Handy Man's Workshop . . . . . . . . . . 355--356
                   A. J. Jarman   Experimental Color Making with Simple
                                  Chemical Solutions . . . . . . . . . . . 356--356
                   C. S. Bourne   An Interesting Paradox . . . . . . . . . 356--356
                 Charles Brecht   Filter for Cisterns  . . . . . . . . . . 356--356
               Herbert S. Davis   A Close-Corner Screw Driver  . . . . . . 356--356
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 371--371
                      Anonymous   Recently Patented Inventions . . . . . . 377--377
                      Anonymous   Notes and Queries  . . . . . . . . . . . 377--377
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 377--377
                      Anonymous   Index of Inventions  . . . . . . . . . . 377--383
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 379--380
                      Anonymous   Purity of Catskill Water Supply  . . . . 366--366
                      Anonymous   The New Fourteen-Inch Army and Navy Guns 366--366
                      Anonymous   The New British and German
                                  ``Dreadnoughts'' . . . . . . . . . . . . 366--366
                      Anonymous   Acceleration of Long-Distance Express
                                  Service  . . . . . . . . . . . . . . . . 366--366
                      Anonymous   The Limit of Rapid Transit . . . . . . . 366--366
                      Anonymous   The Other Half of the Cullinan . . . . . 366--366
                      Anonymous   Engineering  . . . . . . . . . . . . . . 367--367
                      Anonymous   Electricity  . . . . . . . . . . . . . . 367--367
                      Anonymous   Science  . . . . . . . . . . . . . . . . 367--367
                  M. H. Hunting   Something New in Concrete Block Making   368--368
                      Anonymous   A ``Dreadnought'' of 1863  . . . . . . . 368--369
                      Anonymous   Power Indicator for Internal-Combustion
                                  Engines  . . . . . . . . . . . . . . . . 369--370
              Frederic R. Honey   The Solar and Lunar Eclipses of 1909 . . 370--371
                      Anonymous   Why Watch Springs Break  . . . . . . . . 371--371
                      Anonymous   Railway Motor Cars . . . . . . . . . . . 371--371
                      Anonymous   Another Evil of Deforestation  . . . . . 371--371
              Frank N. Bauskett   How Lemon Oil Is Made  . . . . . . . . . 372--372
                      Anonymous   Artillery for Airship Attack . . . . . . 373--373
                      Anonymous   Wireless Communication with Balloons . . 374--374
                      Anonymous   The Wellcome Tropical Research
                                  Laboratories . . . . . . . . . . . . . . 375--375
                      Anonymous   Patent Department  . . . . . . . . . . . 376--376
                      Anonymous   Combined Timer and Distributer for
                                  Internal-Combustion Engines  . . . . . . 376--376
                      Anonymous   An Improved Steam Trap . . . . . . . . . 376--376
                      Anonymous   A New Grain Bin Construction . . . . . . 376--376
                      Anonymous   Oddities in Invention  . . . . . . . . . 376--376
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 391--391
                      Anonymous   Recently Patented Inventions . . . . . . 397--397
                      Anonymous   Notes and Queries  . . . . . . . . . . . 397--397
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 398--398
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 398--398
                      Anonymous   Index of Inventions  . . . . . . . . . . 398--403
                      Anonymous   Present Conditions on the Panama Canal   386--386
                      Anonymous   The Trials of the Battleship ``North
                                  Dakota'' . . . . . . . . . . . . . . . . 386--386
                      Anonymous   Electricity  . . . . . . . . . . . . . . 387--387
                      Anonymous   Science  . . . . . . . . . . . . . . . . 387--387
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 387--387
                      Anonymous   Salvage of the United States Cruiser
                                  ``Yankee'' by Compressed Air . . . . . . 388--388
               Frank C. Perkins   A Gasoline Engine for Corn Husking . . . 388--389
                      Anonymous   The Gyroscopic Mono-Railroad . . . . . . 389--390
                      Anonymous   Controlling Steamship Engines from the
                                  Bridge . . . . . . . . . . . . . . . . . 391--391
                      Anonymous   Sounding the Ocean of Air Above Us . . . 392--393
                      Anonymous   A Self-Acting Mail Elevator  . . . . . . 394--394
             A. R. Van Der Veer   Handy Man's Workshop . . . . . . . . . . 395--395
                   A. J. Jarman   Plating Spoons and Forks at Home . . . . 395--395
                       W. J. C.   Scissors with a Saw-Tooth  . . . . . . . 395--395
                    Otto Kerner   How to Wind an Open Spring . . . . . . . 395--395
                      Anonymous   The Self-Smoking Pipe  . . . . . . . . . 396--396
                R. H. Brockmann   Home-Made Knob and Tube Boring Machine   396--396
                   F. R. Gorton   Inexpensive Apparatus for Illustrating
                                  the ``Hydrostatic Paradox''  . . . . . . 396--396
                J. O. Brouillet   Device for Drawing Ovoids  . . . . . . . 396--396
                         W. and   
                   K. Parkhurst   Device for Washing Prints  . . . . . . . 396--396
                Gustave Michaud   Blue Roses . . . . . . . . . . . . . . . 396--396
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 410--410
           Henry Norris Russell   The Heavens in December  . . . . . . . . 414--414
                      Anonymous   Recently Patented Inventions . . . . . . 417--417
                      Anonymous   Notes and Queries  . . . . . . . . . . . 417--417
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 418--418
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 418--418
                      Anonymous   Index of Inventions  . . . . . . . . . . 418--423
                      Anonymous   A Decision Under the German--American
                                  Patent Treaty  . . . . . . . . . . . . . 406--406
                      Anonymous   The Cherry Mine Disaster . . . . . . . . 406--406
                      Anonymous   High and Cross-Country Flying Abroad . . 406--406
                      Anonymous   Engineering  . . . . . . . . . . . . . . 407--407
                      Anonymous   Electricity  . . . . . . . . . . . . . . 407--407
                      Anonymous   Science  . . . . . . . . . . . . . . . . 407--407
                Gustave Michaud   Some Photographic Diversions . . . . . . 409--410
                      Anonymous   How Does Sap Run in Pine Trees?  . . . . 410--410
                      Anonymous   Safeguarding Mines . . . . . . . . . . . 410--410
                      Anonymous   An Early Marine Engine . . . . . . . . . 410--410
                      Anonymous   A Novel Aerial Railway . . . . . . . . . 411--411
                  Thaleon Blake   How to Observe and Record the Weather    412--412
           John Elfreth Watkins   Testing the Man-Engine . . . . . . . . . 413--413
                      Anonymous   Curiosities in Science and Invention . . 415--415
                      Anonymous   The Ice Drag of the Wellman Expedition   415--415
                      Anonymous   An Early Type of Submarine Boat  . . . . 415--415
                      Anonymous   Coin-Operated Device for Registering
                                  Letters  . . . . . . . . . . . . . . . . 415--415
                      Anonymous   The Great Stone Globe at Swanage . . . . 415--415
                      Anonymous   Spray Helmet for Firemen . . . . . . . . 415--415
         Katherine Louise Smith   Indoor Bed Tents . . . . . . . . . . . . 416--416
               Frederic B. Hyde   An Emergency Oxygen Cup for Miners . . . 416--416
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 436--436
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 451--451
                      Anonymous   Recently Patented Inventions . . . . . . 452--452
                      Anonymous   Index of Inventions  . . . . . . . . . . 452--452
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 453--453
                      Anonymous   Agriculture the Basis of Prosperity  . . 426--426
                      Anonymous   Sea Strength of Principal Naval Powers   426--426
                      Anonymous   The Second Refrigeration Congress  . . . 426--426
                      Anonymous   Engineering  . . . . . . . . . . . . . . 427--427
                      Anonymous   Electrical . . . . . . . . . . . . . . . 427--427
                      Anonymous   Science  . . . . . . . . . . . . . . . . 427--427
                      Anonymous   The Reclamation of the Arid Lands of the
                                  West . . . . . . . . . . . . . . . . . . 428--429
                      Anonymous   The Wonderful Iron Mines of Lake
                                  Superior --- How the Ore is Mined and
                                  Carried in Bulk  . . . . . . . . . . . . 430--431
                      Anonymous   The Proposed Lakes-to-the-Gulf Deep
                                  Waterway . . . . . . . . . . . . . . . . 433--436
                      Anonymous   Another Magic Square . . . . . . . . . . 436--436
                      Anonymous   American Harvesting Machinery --- The
                                  Birth and Growth of a Vast Industry  . . 437--440
                      Anonymous   Gary: The Largest and Most Modern Steel
                                  Works in Existence . . . . . . . . . . . 441--443
                      Anonymous   The Handling and Storage of our Huge
                                  Grain Crop . . . . . . . . . . . . . . . 444--445
                      Anonymous   Chicago and the Railroad System of the
                                  Middle West  . . . . . . . . . . . . . . 446--447
                      Anonymous   Iron That Will Not Rust  . . . . . . . . 448--448
                      Anonymous   Chicago's Sixty Miles of Freight Subway  448--448
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 467--467
                      Anonymous   Recently Patented Inventions . . . . . . 473--473
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 473--473
                      Anonymous   Index of Inventions  . . . . . . . . . . 473--473
                      Anonymous   A Reversion to Type  . . . . . . . . . . 462--462
                      Anonymous   Navy Department Reorganization . . . . . 462--462
                      Anonymous   The Value of Exhaust Steam . . . . . . . 462--462
                      Anonymous   A Steam-Turbine Electric Locomotive  . . 462--462
                      Anonymous   Engineering  . . . . . . . . . . . . . . 463--463
                      Anonymous   Science  . . . . . . . . . . . . . . . . 463--463
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 463--463
                      Anonymous   The New Pennsylvania Railroad Electric
                                  Locomotives  . . . . . . . . . . . . . . 464--464
                  Percy Collins   The Life of a Splash . . . . . . . . . . 465--466
                      Anonymous   A Simple and Rapid Method of Measuring
                                  the Height of an Aeroplane above the
                                  Ground . . . . . . . . . . . . . . . . . 466--466
                      Anonymous   The Enormous Crops of 1909 . . . . . . . 466--466
                  Jacques Boyer   The Ninth Annual Lepine Exhibition of
                                  Toys in Paris  . . . . . . . . . . . . . 468--468
              S. Leonard Bastin   Carnivorous Plants of the Future . . . . 469--469
                      Anonymous   The Most Ancient of Human Skeletons  . . 470--470
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 471--471
                      Anonymous   How to Water-Proof Cloth . . . . . . . . 471--471
                   Milton Stone   Sled Runner Attachment for Go-Carts  . . 471--471
              John A. Bergstrom   A Snow-Bound Santa Claus . . . . . . . . 471--471
              Howard M. Nichols   How to Make Lead Pipe into Iron Pipe
                                  without a Wiped Joint  . . . . . . . . . 471--471
             Chauncey W. Nieman   A Method for Connecting Batteries in
                                  Combinations . . . . . . . . . . . . . . 471--471
              Frederick K. Lord   Power-Driven Scooter . . . . . . . . . . 472--472
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 487--487
                      Anonymous   Recently Patented Inventions . . . . . . 492--493
                      Anonymous   Notes and Queries  . . . . . . . . . . . 493--493
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 493--494
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 494--494
                      Anonymous   Index of Inventions  . . . . . . . . . . 494--494
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 497--498
                      Anonymous   A Warning  . . . . . . . . . . . . . . . 482--482
                      Anonymous   Electrification of a Chicago Railway
                                  Terminal . . . . . . . . . . . . . . . . 482--482
                      Anonymous   Report of the Naval Bureau of Ordnance   482--482
                      Anonymous   The Army Ordnance Report . . . . . . . . 482--482
                      Anonymous   The Origin of European Peoples . . . . . 482--482
                      Anonymous   Engineering  . . . . . . . . . . . . . . 483--483
                      Anonymous   Electricity  . . . . . . . . . . . . . . 483--483
                      Anonymous   Science  . . . . . . . . . . . . . . . . 483--483
                      Anonymous   A New Theory of the Screw Propeller  . . 484--484
               Frank C. Perkins   A Machine for Simultaneously Firing Many
                                  Blasts . . . . . . . . . . . . . . . . . 484--484
                      Anonymous   A Pollen-Gathering Patent Dedicated to
                                  the Public . . . . . . . . . . . . . . . 485--485
                 S. A. Mitchell   Photographing a Star Spectrum  . . . . . 485--486
              Frederic R. Honey   The Phases of Venus  . . . . . . . . . . 486--486
        Roland Ashford Phillips   An Aerial Passenger Railway  . . . . . . 488--488
                   C. H. Claudy   How Your Eyeglasses are Made . . . . . . 489--490
                      Anonymous   Flight with Flapping Wings . . . . . . . 490--490
              Walter L. Beasley   The Baby Musk Ox and the Alaskan Bear of
                                  the New York Zoological Gardens  . . . . 491--491
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 43--43
                      Anonymous   Recently Patented Inventions . . . . . . 49--49
                      Anonymous   Notes and Queries  . . . . . . . . . . . 50--50
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 50--51
                      Anonymous   Longer Daylight  . . . . . . . . . . . . 38--38
                      Anonymous   Suburban Traffic in London and New York  38--38
                      Anonymous   Inconclusive Tests of the Scout Cruisers 38--38
                      Anonymous   Engineering  . . . . . . . . . . . . . . 39--39
                      Anonymous   Electricity  . . . . . . . . . . . . . . 39--39
                      Anonymous   Science  . . . . . . . . . . . . . . . . 39--39
               Frank C. Perkins   An English Electrically Operated
                                  Evaporative Condenser Plant  . . . . . . 40--40
                  Walter Bailey   A New Electric Traveling Scale Crane . . 40--41
            Harold J. Shepstone   A Billiard Table for Ships . . . . . . . 41--41
                    F. C. Ferry   Second Honorable Mention Essay on the
                                  Fourth Dimension . . . . . . . . . . . . 42--43
                 William Carlin   A New Scotch Elevating Ferry . . . . . . 43--43
                      Anonymous   The Proposed Montreal Drydock  . . . . . 43--43
                      Anonymous   The Number of our Ancestors  . . . . . . 43--43
                      Anonymous   Signaling to Mars  . . . . . . . . . . . 43--43
               H. Prime Kieffer   Constructing the Concrete Locks of the
                                  Panama Canal . . . . . . . . . . . . . . 44--46
                      Anonymous   Foods and Digestion  . . . . . . . . . . 46--46
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 47--48
                  Edward Thorpe   Iceless Refrigeration  . . . . . . . . . 48--48
                   I. G. Bayley   A Weatherboard Gage  . . . . . . . . . . 48--48
                 Albert Prather   Quick Means for Finding the Center of
                                  Shafts . . . . . . . . . . . . . . . . . 48--48
               James G. Newland   A Home-Made Saw Vise . . . . . . . . . . 48--48
        
                      Anonymous   Recently Patented Inventions . . . . . . 65--65
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 65--65
                      Anonymous   Index of Inventions  . . . . . . . . . . 65--67
                      Anonymous   City Terminals without Traffic
                                  Connection . . . . . . . . . . . . . . . 54--54
                      Anonymous   Magnitude of Work on New State Barge
                                  Canal  . . . . . . . . . . . . . . . . . 54--54
                      Anonymous   Wire-Wound Versus Steel Guns . . . . . . 54--54
                      Anonymous   Burglar-Proof Glass  . . . . . . . . . . 54--54
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 55--55
                      Anonymous   Electricity  . . . . . . . . . . . . . . 55--55
                      Anonymous   Science  . . . . . . . . . . . . . . . . 55--55
                Gustave Michaud   Some Experiments with an Orange  . . . . 56--56
             Percival A. Hislam   Some New Warships and Their Equipment    56--56
                      Anonymous   Opening of the Down-Town Hudson Tunnels  57--57
            Charles Henry Smith   The Third Honorable Mention Essay in the
                                  Fourth Dimension Competition . . . . . . 58--59
                      Anonymous   The Scientific Work of the Late Prof.
                                  Simon Newcomb  . . . . . . . . . . . . . 59--59
                  Jacques Boyer   The Disinfection of School Books . . . . 60--61
               Frank C. Perkins   An American Farmobile  . . . . . . . . . 61--61
                      Anonymous   The Flight of the Curtiss Aeroplane for
                                  the \booktitleScientific American Trophy 62--62
                      Anonymous   Patent Department  . . . . . . . . . . . 63--63
                      Anonymous   Portable Winch . . . . . . . . . . . . . 63--63
                      Anonymous   Automatic Drain for Compressors  . . . . 63--63
        Roland Ashford Phillips   Panning without Water  . . . . . . . . . 63--64
                      Anonymous   Lock for Electric Meters . . . . . . . . 64--64
                      Anonymous   Expanding Brush for Cleansing Bottles    64--64
                      Anonymous   Apparatus for Purifying Water by the
                                  Injection of Ozone . . . . . . . . . . . 64--64
                      Anonymous   Paper Hanger's Trimmer . . . . . . . . . 64--64
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 75--75
           Henry Norris Russell   The Heavens in August  . . . . . . . . . 78--78
                      Anonymous   Recently Patented Inventions . . . . . . 81--81
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 81--81
                      Anonymous   Index of Inventions  . . . . . . . . . . 81--83
                      Anonymous   Good News from Panama  . . . . . . . . . 70--70
                      Anonymous   Naval Annuals of 1909  . . . . . . . . . 70--70
                      Anonymous   As Others See Us . . . . . . . . . . . . 70--70
                      Anonymous   Engineering  . . . . . . . . . . . . . . 71--71
                      Anonymous   Electricity  . . . . . . . . . . . . . . 71--71
                      Anonymous   Science  . . . . . . . . . . . . . . . . 71--71
                      Anonymous   Baseball at Night  . . . . . . . . . . . 72--72
                      Anonymous   The First Attempt at a Cross-Channel
                                  Flight and New French Cross-Country
                                  Records  . . . . . . . . . . . . . . . . 73--74
                      Anonymous   How the Peace Could be Kept
                                  Internationally  . . . . . . . . . . . . 75--75
                      Anonymous   Speed of the ``Mauretania''  . . . . . . 75--75
                      Anonymous   Construction of an Ellipse . . . . . . . 75--75
                      Anonymous   A New Process for Damascening, Inlaying,
                                  and Blending Metals  . . . . . . . . . . 76--77
                      Anonymous   The First of the 1909 Flights for the
                                  \booktitleScientific American Trophy . . 77--77
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 79--80
                   I. G. Bayley   A Ladder Extension Leg . . . . . . . . . 80--80
                       W. J. C.   Automatic Lubricating Cup  . . . . . . . 80--80
           F. P. M'dermott, Jr.   Experiments with Alternating Current,
                                  Using a Small Direct-Current Motor . . . 80--80
                 G. H. Sinclair   Device for Removing Broken Wood Screws   80--80
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 91--91
                      Anonymous   Recently Patented Inventions . . . . . . 97--97
                      Anonymous   Notes and Queries  . . . . . . . . . . . 97--98
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 98--98
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 98--98
                      Anonymous   Index of Inventions  . . . . . . . . . . 98--103
                      Anonymous   Blériot's Channel Flight  . . . . . . . . 86--86
                      Anonymous   Grandeur of the Hudson--Fulton Naval
                                  Parade . . . . . . . . . . . . . . . . . 86--86
                      Anonymous   Leffert Lefferts Buck  . . . . . . . . . 86--86
                      Anonymous   An Antique Encyclopedia  . . . . . . . . 86--86
                      Anonymous   Engineering  . . . . . . . . . . . . . . 87--87
                      Anonymous   Electricity  . . . . . . . . . . . . . . 87--87
                      Anonymous   Science  . . . . . . . . . . . . . . . . 87--87
                      Anonymous   Orville Wright's Record Flights at Fort
                                  Myer . . . . . . . . . . . . . . . . . . 88--88
                      Anonymous   The First Successful Cross-Channel
                                  Flight . . . . . . . . . . . . . . . . . 88--88
         Frederic Blount Warren   Electric Lamps in the Making . . . . . . 89--89
                      Anonymous   A Novel Type of Rotary Conveyer  . . . . 90--90
                      Anonymous   How Does a Bird Soar?  . . . . . . . . . 91--91
                      Anonymous   Electrochemical Amalgamation . . . . . . 91--91
                      Anonymous   The Terrestrial Origin of the Moon --- a
                                  Protest  . . . . . . . . . . . . . . . . 91--91
                      Anonymous   The Chronosphere --- an Empire Clock . . 92--92
                      Anonymous   The Figurehead and Its Story . . . . . . 92--94
                    S. F. Aaron   The Cement Work of the Mud Wasps . . . . 94--94
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 95--95
             A. R. Van Der Veer   Folding Bracket for the Hand Glass . . . 95--95
              Howard M. Nichols   Electric Coffee Pot  . . . . . . . . . . 95--95
             John K. Brachvogel   An Improvised Shoe Stretcher . . . . . . 95--95
              William P. Goebel   Tabouret Made From an Onion Crate  . . . 95--96
            William C. M'kenzie   A Tin Can Leader . . . . . . . . . . . . 96--96
                   T. G. Hoster   Convenient Hanger for the Clothes Closet 96--96
                      Anonymous   Simple Method of Pulling a Cork  . . . . 96--96
                    L. G. Handy   Alarm for Batteries of Electric Gas
                                  Lighters . . . . . . . . . . . . . . . . 96--96
                      Anonymous   Gas-Tube Support . . . . . . . . . . . . 96--96
                      Anonymous   Substitute for Rod Threader  . . . . . . 96--96
                    B. A. Johns   Drop Light Made From an Oil Lamp . . . . 96--96
        
                      Anonymous   Recently Patented Inventions . . . . . . 117--117
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 117--117
                      Anonymous   Index of Inventions  . . . . . . . . . . 117--119
                      Anonymous   Wanted --- a Reliable Aeroplane Motor    106--106
                      Anonymous   A Sensible ``Civil Calendar''  . . . . . 106--106
                      Anonymous   Medievalism in Modern Chemistry  . . . . 106--106
                      Anonymous   Keeping Milk by Chilling It  . . . . . . 106--106
                      Anonymous   Engineering  . . . . . . . . . . . . . . 107--107
                      Anonymous   Electricity  . . . . . . . . . . . . . . 107--107
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 107--107
                Gustave Michaud   Some Acoustic Experiments  . . . . . . . 108--108
               Charles E. Cooke   Asking the Tree to Speak . . . . . . . . 108--108
              Alfred Gradenwitz   Marvelous Paintings of Nature  . . . . . 109--109
           Alexander W. Roberts   Halley's Comet . . . . . . . . . . . . . 110--110
                      Anonymous   The Wiesen Viaduct . . . . . . . . . . . 111--111
                      Anonymous   Blériot's Channel Flight and other
                                  Records in France  . . . . . . . . . . . 111--111
                      Anonymous   Completion of the Government Contract by
                                  Orville Wright at Fort Myer  . . . . . . 111--112
               Day Allen Willey   An American Forestry School  . . . . . . 113--114
                      Anonymous   An Electromagnetic Drill . . . . . . . . 114--114
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 115--115
                      Anonymous   Thawing Dynamite . . . . . . . . . . . . 115--116
              Frederick E. Ward   An Electrolytic Rectifier for Charging
                                  Ignition Batteries . . . . . . . . . . . 116--116
                   C. A. Pitkin   Saw-Filing Clamp . . . . . . . . . . . . 116--116
                  J. Edwin Kerr   To Support Shaft when Babbittin  . . . . 116--116
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 126--126
                      Anonymous   Recently Patented Inventions . . . . . . 132--132
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 132--132
                      Anonymous   Index of Inventions  . . . . . . . . . . 132--135
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 133--133
                      Anonymous   Racing Yachts in a Gale  . . . . . . . . 122--122
                      Anonymous   Peary and the North Pole . . . . . . . . 122--122
                      Anonymous   Twenty Miles under the Sea . . . . . . . 122--122
                      Anonymous   Engineering  . . . . . . . . . . . . . . 123--123
                      Anonymous   Electricity  . . . . . . . . . . . . . . 123--123
                      Anonymous   Science  . . . . . . . . . . . . . . . . 123--123
                  An Eyewitness   Testing a Torpedo-Boat Defense . . . . . 124--124
                      Anonymous   The First Cross-Country Flight of the
                                  Aeronautic Society's Biplane . . . . . . 124--124
                      Anonymous   A Record Cross-Country Motor-Boat Trip   125--126
                      Anonymous   Thunderstorms  . . . . . . . . . . . . . 126--126
                      Anonymous   The Effect of Polar Currents on Gulf
                                  Stream Plankton  . . . . . . . . . . . . 126--126
                      Anonymous   The Excavations at Delos . . . . . . . . 127--127
                      Anonymous   A New Application of the Diving Bell . . 127--127
              Frederic R. Honey   Conjunctions of the Planets  . . . . . . 130--130
              Alfred Gradenwitz   A Novel Solution of the Problem of
                                  Telephotography  . . . . . . . . . . . . 131--131
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 143--143
           Henry Norris Russell   The Heavens in September . . . . . . . . 146--146
                      Anonymous   Recently Patented Inventions . . . . . . 148--149
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 149--149
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 149--149
                      Anonymous   Index of Inventions  . . . . . . . . . . 149--151
                      Anonymous   Anchoring Down the Floor of the Gatun
                                  Locks  . . . . . . . . . . . . . . . . . 138--138
                      Anonymous   Far-Sighted Policy of Improvement  . . . 138--138
                      Anonymous   The Wright Aeroplane Infringement Suit   138--138
                      Anonymous   Engineering  . . . . . . . . . . . . . . 139--139
                      Anonymous   Electricity  . . . . . . . . . . . . . . 139--139
                      Anonymous   Science  . . . . . . . . . . . . . . . . 139--139
                      Anonymous   Repairing the Crushed-in Bow of the
                                  ``Florida''  . . . . . . . . . . . . . . 140--140
                      Anonymous   The Edison Concrete House  . . . . . . . 141--142
                      Anonymous   Lightning  . . . . . . . . . . . . . . . 143--143
                      Anonymous   First American to Cross the Channel
                                  through the Air  . . . . . . . . . . . . 143--143
                      Anonymous   The Number of our Ancestors  . . . . . . 143--143
                      Anonymous   The Long Island Portal of the
                                  Pennsylvania Sub-River Tunnels . . . . . 143--145
                      Anonymous   An Automobile Wireless Telegraph Station 145--145
                      Anonymous   Patent Department  . . . . . . . . . . . 147--147
                      Anonymous   Sad-Iron Heater and Receptacle . . . . . 147--147
                      Anonymous   Slat Adjuster for Window Blinds  . . . . 147--147
                      Anonymous   Telescopic Steering Gear . . . . . . . . 147--147
                      Anonymous   Wave and Gravity Motor . . . . . . . . . 147--147
                      Anonymous   A Portable Lamp  . . . . . . . . . . . . 148--148
                      Anonymous   Resonator for Telephones . . . . . . . . 148--148
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 8--8
                      Anonymous   Recently Patented Inventions . . . . . . 12--12
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 12--12
                      Anonymous   Business and Personal  . . . . . . . . . 12--12
                      Anonymous   Notes and Queries  . . . . . . . . . . . 12--12
                      Anonymous   Index of Inventions  . . . . . . . . . . 12--12
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 15--15
                      Anonymous   Retrospect of the Year 1899  . . . . . . 4--5
                      Anonymous   Landslide at Amalfi  . . . . . . . . . . 6--6
                      Anonymous   The Chester Metallic Railway Tie . . . . 6--6
                 Waldon Fawcett   Mechanical Ore Unloader  . . . . . . . . 7--7
           Frederick H. M'gahie   The Explosive Side of Acetylene  . . . . 8--9
                      Anonymous   New York Zoological Park . . . . . . . . 10--11
                      Anonymous   Motor-Wheel for Vehicles . . . . . . . . 11--11
                      Anonymous   To Inventors . . . . . . . . . . . . . . 12--12
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 154--154
                      Anonymous   Recently Patented Inventions . . . . . . 156--156
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 156--156
                      Anonymous   Business and Personal  . . . . . . . . . 157--157
                      Anonymous   Notes and Queries  . . . . . . . . . . . 157--157
                      Anonymous   Index of Inventions  . . . . . . . . . . 157--157
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 159--159
                      Anonymous   Consular Reform  . . . . . . . . . . . . 146--146
                      Anonymous   The Ives' Improved Kromskop  . . . . . . 146--146
                      Anonymous   Hand and Machine Production Compared . . 146--146
                      Anonymous   Protection of Inventions Exhibited at
                                  Paris  . . . . . . . . . . . . . . . . . 146--146
                      Anonymous   Annual Report of the Commissioner of
                                  Patents  . . . . . . . . . . . . . . . . 146--147
                      Anonymous   California Big Trees Threatened with
                                  Destruction  . . . . . . . . . . . . . . 147--147
                      Anonymous   Dissociation of Air at Ordinary Pressure 147--147
                      Anonymous   Horseflesh in America  . . . . . . . . . 147--147
                      Anonymous   The Beet Sugar Industry  . . . . . . . . 147--147
                      Anonymous   The First Automobile Patrol Wagon  . . . 148--148
                      Anonymous   An Electric Automobile Ambulance . . . . 148--148
                      Anonymous   A Combined Heating Stove and Furnace . . 149--149
                      Anonymous   An Anchor to Prevent the Creeping of
                                  Rails  . . . . . . . . . . . . . . . . . 149--149
                    J. Guenaire   The Alexandre III Bridge, Paris  . . . . 149--150
                      Anonymous   Radio-Active Matter in Magnetic Field    150--151
                      Anonymous   Torpedo Practice at Newport, R.I.  . . . 152--152
                      Anonymous   Our Latest Protected Cruiser, the
                                  ``Albany'' . . . . . . . . . . . . . . . 152--153
                      Anonymous   Fighting Snow on the Third-Rail  . . . . 153--153
                      Anonymous   Transportation of Buildings by Water . . 154--154
                Gustave Michaud   A Chemical Growth  . . . . . . . . . . . 155--155
                      Anonymous   A Feat in Half-Tone Work . . . . . . . . 155--155
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 170--170
                      Anonymous   Recently Patented Inventions . . . . . . 172--172
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 172--172
                      Anonymous   Business and Personal  . . . . . . . . . 172--172
                      Anonymous   Notes and Queries  . . . . . . . . . . . 172--172
                      Anonymous   Index of Inventions  . . . . . . . . . . 173--173
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 175--175
                      Anonymous   Liquid Air Promotion Again . . . . . . . 162--162
                      Anonymous   The Construction of Warships at
                                  Government Navy Yards  . . . . . . . . . 162--162
                      Anonymous   The Work of the Divison of Chemistry of
                                  the Department of Agriculture  . . . . . 162--163
                   Hudson Maxim   Facts Versus Claims for Liquid Air . . . 163--163
                      Anonymous   A Billion Dollar Country . . . . . . . . 163--163
                      Anonymous   The Asiatic Plague at Honolulu . . . . . 164--164
                      Anonymous   A Simple Shutter-Fastener  . . . . . . . 165--165
                      Anonymous   A Worm and Chain Driving-Gear for
                                  Elevators  . . . . . . . . . . . . . . . 165--165
                      Anonymous   An Amateur's Camera for Photographing in
                                  Natural Colors . . . . . . . . . . . . . 165--166
                      Anonymous   Steam Electric Lightship for Cape
                                  Hatteras . . . . . . . . . . . . . . . . 166--167
                      Anonymous   The Latest of the Large Mississippi
                                  Bridges  . . . . . . . . . . . . . . . . 168--168
                      Anonymous   M. J. De Morgan's Excavations in the
                                  Akropolis and Palaces of Susa  . . . . . 169--170
                      Anonymous   The Chinese Rods and Cords . . . . . . . 170--170
                      Anonymous   A Milligrade Thermometer . . . . . . . . 170--170
              Charles F. Holder   The Passing Show . . . . . . . . . . . . 171--171
                      Anonymous   To Inventors . . . . . . . . . . . . . . 173--173
        
                      Anonymous   Recently Patented Inventions . . . . . . 188--188
                      Anonymous   Business and Personal  . . . . . . . . . 189--189
                      Anonymous   Notes and Queries  . . . . . . . . . . . 189--189
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 189--189
                      Anonymous   Index of Inventions  . . . . . . . . . . 189--191
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 191--191
                      Anonymous   The Supremacy of the Modern Magazine
                                  Rifle  . . . . . . . . . . . . . . . . . 178--178
                      Anonymous   New York's Water Supply --- Present and
                                  Future Capacity  . . . . . . . . . . . . 178--178
                      Anonymous   American Experiment Stations at the
                                  Paris Exposition . . . . . . . . . . . . 178--179
                      Anonymous   An Admiralty Board for the Navy  . . . . 179--179
                      Anonymous   The New Naval Programme  . . . . . . . . 179--179
                      Anonymous   Toning Lantern Slides and Bromide Prints
                                  by Ferrocyanide of Copper  . . . . . . . 179--179
                      Anonymous   Death of a Noted Inventor  . . . . . . . 179--179
                H. J. Shepstone   The Princess Christian Hospital Train
                                  for South Africa . . . . . . . . . . . . 180--180
                      Anonymous   An Electric Alarm Try-Cock for Steam
                                  Boilers  . . . . . . . . . . . . . . . . 181--181
                      Anonymous   The Creeping of Rails on the Eads
                                  Bridge, St. Louis  . . . . . . . . . . . 181--181
                      Anonymous   A Novel form of Steam Engines  . . . . . 181--182
                      Anonymous   Filtration Plant for the Albany Water
                                  Supply . . . . . . . . . . . . . . . . . 182--182
                      Anonymous   The New French Battleship ``Suffren''
                                  and Her Predecessor  . . . . . . . . . . 184--184
                      Anonymous   The New Brazilian Armorclad ``Marshal
                                  Deodoro''  . . . . . . . . . . . . . . . 184--185
                      Anonymous   The Old and New Pumping Engines of Dry
                                  Dock No. 1, Brooklyn Navy Yard . . . . . 185--186
                      Anonymous   Removing Obstructions in San Francisco
                                  Bay  . . . . . . . . . . . . . . . . . . 186--187
                    A. C. Scott   A New Apparatus for Instantaneous
                                  Photo-Micrography  . . . . . . . . . . . 187--188
        
           Henry Norris Russell   The Heavens in April . . . . . . . . . . 195--195
                      Anonymous   Correspondence . . . . . . . . . . . . . 199--199
                      Anonymous   Recently Patented Inventions . . . . . . 204--204
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 204--204
                      Anonymous   Business and Personal  . . . . . . . . . 205--205
                      Anonymous   Notes and Queries  . . . . . . . . . . . 205--205
                      Anonymous   Index of Inventions  . . . . . . . . . . 205--205
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 207--207
                      Anonymous   The Isthmian Canal Survey  . . . . . . . 194--194
                      Anonymous   The Designs of Last Year's Battleships
                                  and Cruisers . . . . . . . . . . . . . . 194--194
                      Anonymous   Breaking Ground for the Rapid Transit
                                  Tunnel . . . . . . . . . . . . . . . . . 194--194
                      Anonymous   Germany's Naval Programme --- a Lesson
                                  for the United States  . . . . . . . . . 194--194
                      Anonymous   The Steering of Modern, Screw-Propelled
                                  Ships  . . . . . . . . . . . . . . . . . 194--195
                      Anonymous   Three Types of Automobiles . . . . . . . 195--195
                      Anonymous   Mutual Aid Societies for French School
                                  Children . . . . . . . . . . . . . . . . 195--195
                      Anonymous   A Cheap Telephone System for Farmers . . 196--196
                      Anonymous   A New Method of Cutting Threads  . . . . 196--196
                      Anonymous   An Improvement in Smoke Consuming
                                  Furnaces . . . . . . . . . . . . . . . . 196--196
                      Anonymous   A Cheap and Efficient Typewriter . . . . 197--197
                      Anonymous   The North German Lloyd Liner ``Kaiserin
                                  Maria Theresia'' . . . . . . . . . . . . 197--198
                      Anonymous   A Rein Support and Guard for Horse
                                  Harness  . . . . . . . . . . . . . . . . 198--198
                      Anonymous   American Freight Locomotives and the
                                  Engines of the ``Oceanic'' --- a
                                  Comparison of Horsepower . . . . . . . . 199--199
                 Waldon Fawcett   The Marine Department of the
                                  Trans-Siberian Railroad  . . . . . . . . 200--200
                      Anonymous   Prof. Pictet's Experiments with Liquid
                                  Air  . . . . . . . . . . . . . . . . . . 201--202
                   C. F. Holder   Some American Mummies  . . . . . . . . . 203--204
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 214--215
                      Anonymous   Recently Patented Inventions . . . . . . 220--220
                      Anonymous   Business and Personal  . . . . . . . . . 220--220
                      Anonymous   Notes and Queries  . . . . . . . . . . . 220--220
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--220
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 223--223
                      Anonymous   Obstacles to the Proposed Erie Canal
                                  Improvement  . . . . . . . . . . . . . . 210--210
                      Anonymous   Automobilism in the German Postal
                                  Service  . . . . . . . . . . . . . . . . 210--210
                      Anonymous   The Work of the Division of Entomology   210--210
                      Anonymous   Changes in the Assistant
                                  Commissionership . . . . . . . . . . . . 210--211
                      Anonymous   Some Chinese Vegetables  . . . . . . . . 211--211
                      Anonymous   The Patent Office Exhibit at the Paris
                                  Exposition . . . . . . . . . . . . . . . 211--211
                      Anonymous   M. Trillot on Color Photography  . . . . 211--211
                      Anonymous   Our Exports of Iron and Steel  . . . . . 211--211
                      Anonymous   Death of Prof. Pepper  . . . . . . . . . 211--211
                      Anonymous   A Perfected Burner for Incandescent
                                  Mantles  . . . . . . . . . . . . . . . . 212--212
                      Anonymous   A Rope Armored Engine  . . . . . . . . . 212--212
                      Anonymous   A Non-Refillable Bottle  . . . . . . . . 212--212
                      Anonymous   A Problem in Ship Propulsion . . . . . . 213--213
                 L. P. Gratacap   The Asbestos Mines at Thetford, Canada   213--214
                      Anonymous   The Expiration of the Edison American
                                  Three-Wire Patent  . . . . . . . . . . . 214--214
                      Anonymous   Ferry Steamer with an Elevating Deck . . 216--216
                      Anonymous   The Black-Wall Tunnel, London  . . . . . 217--218
                      Anonymous   The Cullen Ball-Bearing Rifled Gun . . . 218--219
                      Anonymous   A French Trolley Automobile  . . . . . . 219--219
                      Anonymous   To Inventors . . . . . . . . . . . . . . 220--220
        
                      Anonymous   Recently Patented Inventions . . . . . . 236--236
                      Anonymous   Business and Personal  . . . . . . . . . 236--236
                      Anonymous   Notes and Queries  . . . . . . . . . . . 236--236
                      Anonymous   Index of Inventions  . . . . . . . . . . 236--236
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 239--239
                      Anonymous   New York's Water Supply and the Ramapo
                                  Contract . . . . . . . . . . . . . . . . 226--226
                      Anonymous   The Proposed Department of Commerce and
                                  Industry . . . . . . . . . . . . . . . . 226--226
                      Anonymous   The Double-Turret System on Trial  . . . 226--227
                      Anonymous   French Prizes for Scientists and
                                  Inventors  . . . . . . . . . . . . . . . 227--227
                      Anonymous   Applied Science in Modern War  . . . . . 227--227
                      Anonymous   The Youngest Subscriber  . . . . . . . . 227--227
                      Anonymous   Death of St. George Mivart . . . . . . . 227--227
                      Anonymous   Paris Exposition Notes . . . . . . . . . 227--227
                      Anonymous   A Lister Attachment for Planters . . . . 228--228
                      Anonymous   Apparatus for Making Perspective
                                  Drawings . . . . . . . . . . . . . . . . 228--228
                      Anonymous   A Simple Ingenious Toy . . . . . . . . . 228--228
                      Anonymous   The Colt Automatic Gun . . . . . . . . . 229--229
                      Anonymous   The Gordon Bennett Cup Race  . . . . . . 229--229
                      Anonymous   The Superposed Turrets of the
                                  ``Kearsarge''  . . . . . . . . . . . . . 230--231
                 Waldon Fawcett   The Water Transportation of Grain  . . . 232--233
               Cosmos Mindeleff   Houses and House Dedication of the
                                  Navahos  . . . . . . . . . . . . . . . . 233--235
                      Anonymous   Reproduction of Working Drawings . . . . 235--235
                  Hugh M. Smith   The Three Toothed Lamprey  . . . . . . . 235--235
        
                      Anonymous   Recently Patented Inventions . . . . . . 251--251
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 251--252
                      Anonymous   Business and Personal  . . . . . . . . . 252--252
                      Anonymous   Notes and Queries  . . . . . . . . . . . 252--252
                      Anonymous   Index of Inventions  . . . . . . . . . . 252--252
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 255--255
                      Anonymous   United States in the World's Trade . . . 242--242
                      Anonymous   The Double Turret Rejected by the Naval
                                  Board of Construction  . . . . . . . . . 242--242
                      Anonymous   American vs. English Machine Tools . . . 242--242
                      Anonymous   Fox Breeding on the Alaskan Islands  . . 242--242
                      Anonymous   A New Hydrocarbon Cuprene  . . . . . . . 243--243
                      Anonymous   The Peanut Industry  . . . . . . . . . . 243--243
                      Anonymous   Cotton's Great Future  . . . . . . . . . 243--243
                      Anonymous   The Entrance to The Paris Exposition . . 243--243
                      Anonymous   Death of Frank H. Cushing  . . . . . . . 243--243
                      Anonymous   A Controlling Apparatus for Mine
                                  Elevators  . . . . . . . . . . . . . . . 244--244
                      Anonymous   A Simple form of Wire-Hanger . . . . . . 244--244
                      Anonymous   The Coming Eclipse . . . . . . . . . . . 244--245
                      Anonymous   A Combined Automobile and Tramway
                                  Omnibus  . . . . . . . . . . . . . . . . 245--246
                      Anonymous   The Turquoise Mines of Persia  . . . . . 246--247
                      Anonymous   700-Foot Floating Dock at South Brooklyn 248--248
                      Anonymous   The Engines of the Torpedo Boat
                                  Destroyer ``Viper''  . . . . . . . . . . 248--249
                      Anonymous   The Dismal Swamp of Virginia . . . . . . 249--250
                      Anonymous   The New Assistant Commissioner of
                                  Patents  . . . . . . . . . . . . . . . . 250--250
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 267--267
                      Anonymous   Recently Patented Inventions . . . . . . 267--267
                      Anonymous   Business and Personal  . . . . . . . . . 268--268
                      Anonymous   Notes and Queries  . . . . . . . . . . . 268--268
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 268--268
                      Anonymous   Index of Inventions  . . . . . . . . . . 268--268
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 271--271
                      Anonymous   Finality in Invention  . . . . . . . . . 258--258
                      Anonymous   Progress and Prospects of the
                                  Trans-Siberian Railway . . . . . . . . . 258--258
                      Anonymous   Opening of the Paris Exposition  . . . . 258--259
                Marcus Benjamin   National Academy of Sciences . . . . . . 259--259
                      Anonymous   An American Automobile Race  . . . . . . 259--259
                      Anonymous   Paris Exposition Notes . . . . . . . . . 259--259
                      Anonymous   Cellulith  . . . . . . . . . . . . . . . 259--259
                      Anonymous   Aerial Sweep for the Pan-American
                                  Exposition . . . . . . . . . . . . . . . 260--260
                      Anonymous   A Simple Compass with a Caliper-Scale    260--260
                      Anonymous   The Use of Acetylene in Raising Sunken
                                  Vessels  . . . . . . . . . . . . . . . . 261--261
                      Anonymous   A New Storage Battery  . . . . . . . . . 261--262
                      Anonymous   A Window Mirror  . . . . . . . . . . . . 262--262
                      Anonymous   The Hydraulic System of Air Compression  263--263
                      Anonymous   The Vagaries of a Railroad Wreck . . . . 264--264
                      Anonymous   The New Japan Battleship ``Shikishima''  264--265
                      Anonymous   The Failure of the Masonry Dam at
                                  Austin, Texas  . . . . . . . . . . . . . 265--266
                   C. F. Holder   Value of Sea Birds . . . . . . . . . . . 266--267
        
           Henry Norris Russell   The Heavens in May . . . . . . . . . . . 275--275
                      Anonymous   Recently Patented Inventions . . . . . . 283--283
                      Anonymous   Business and Personal  . . . . . . . . . 284--284
                      Anonymous   Notes and Queries  . . . . . . . . . . . 284--284
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 284--284
                      Anonymous   Index of Inventions  . . . . . . . . . . 284--284
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 287--287
                      Anonymous   Revival of the American Merchant Marine  274--274
                      Anonymous   The Single-Rail Suspended Railway  . . . 274--274
                    E. O. Hovey   The Seventh Annual Reception and
                                  Exhibition of the New York Academy of
                                  Sciences . . . . . . . . . . . . . . . . 274--275
                      Anonymous   Floating Dry Docks for New York City . . 275--275
                      Anonymous   Paris Exposition Notes . . . . . . . . . 275--275
                      Anonymous   Death of the Duke of Argyll  . . . . . . 275--275
                      Anonymous   A New form of Fiber-Cleaning Machine . . 276--276
                     Enos Brown   Large Traction Engines for Siberia . . . 276--276
                      Anonymous   An Improved Engine Valve-Gear  . . . . . 276--276
                      Anonymous   The Ives System of Color Photography . . 277--278
                      Anonymous   The Upbuilding of the American Merchant
                                  Marine . . . . . . . . . . . . . . . . . 278--279
                      Anonymous   The Langen Single-Rail Suspended Railway 280--280
                      Anonymous   Effective Ditch-Digging Machine  . . . . 281--282
                      Anonymous   A Convenient Panoramic Camera  . . . . . 282--283
                      Anonymous   Science Settles a Great Problem  . . . . 284--284
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 299--299
                      Anonymous   Recently Patented Inventions . . . . . . 299--299
                      Anonymous   Business and Personal  . . . . . . . . . 300--300
                      Anonymous   Notes and Queries  . . . . . . . . . . . 300--300
                      Anonymous   Index of Inventions  . . . . . . . . . . 300--300
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 303--303
                      Anonymous   The Passage of the Nicaragua Canal Bill
                                  by the House . . . . . . . . . . . . . . 290--290
                      Anonymous   American Locomotives in Germany  . . . . 290--290
                      Anonymous   The Cantilever System of Bridge
                                  Construction . . . . . . . . . . . . . . 290--290
                      Anonymous   Science for the Love of It . . . . . . . 290--290
                      Anonymous   The Cape Nome Gold Fields  . . . . . . . 290--290
                F. A. A. Talbot   Steering Torpedoes by Means of Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 291--291
                      Anonymous   Paris Exposition Notes . . . . . . . . . 291--291
                      Anonymous   Automobile News  . . . . . . . . . . . . 291--291
                      Anonymous   Novel Window-Guard and Fly-Screen  . . . 292--292
                      Anonymous   Lord Kelvin's Electric Trolley Rail
                                  Tester . . . . . . . . . . . . . . . . . 292--292
                      Anonymous   A New Form of Weeding-Machine  . . . . . 292--292
                      Anonymous   The Pollak and Virag Telegraph . . . . . 293--293
                   W. F. Coffee   The ``Orograph'' an Automatic Profile
                                  Recorder . . . . . . . . . . . . . . . . 293--294
                      Anonymous   The Towers and Approaches of the New
                                  East River Bridge  . . . . . . . . . . . 294--295
                      Anonymous   The Children's Museum of Brooklyn
                                  Institute  . . . . . . . . . . . . . . . 296--297
                      Anonymous   Tall Office Building Model for the
                                  World's Fair . . . . . . . . . . . . . . 298--298
                      Anonymous   The Mono-Rail Track Velocipede . . . . . 298--298
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 22--22
                      Anonymous   Recently Patented Inventions . . . . . . 28--28
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 28--28
                      Anonymous   Business and Personal  . . . . . . . . . 29--29
                      Anonymous   Notes and Queries  . . . . . . . . . . . 29--29
                      Anonymous   Index of Inventions  . . . . . . . . . . 29--29
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 31--31
                      Anonymous   Armored Trains . . . . . . . . . . . . . 18--18
                      Anonymous   The New Century  . . . . . . . . . . . . 18--18
                      Anonymous   The Electric Fish of the Nile  . . . . . 18--18
                      Anonymous   Unearthing Fossil Remains  . . . . . . . 18--18
                      Anonymous   Congress of Photography in 1900  . . . . 18--18
                      Anonymous   The Geological Society of America  . . . 19--19
                  Chester Haile   Powerful Electric Pump at Austin, Texas  20--20
                      Anonymous   Oil Engine with Direct-Connected
                                  Generator  . . . . . . . . . . . . . . . 21--21
                      Anonymous   An Ingenious Tool-Grinding Machine . . . 21--21
                      Anonymous   A Simple Trousers Clasp  . . . . . . . . 22--22
                      Anonymous   An Automatic Lubricator for Locomotives
                                  and Marine Engines . . . . . . . . . . . 22--23
                      Anonymous   Homemade Windmills in Nebraska . . . . . 24--24
                      Anonymous   The Bonner Rail Wagon  . . . . . . . . . 25--25
                      Anonymous   A 70,000 Horse Power Central Station . . 26--26
             Chas. Fred. Holder   The San Jacinto Earthquake . . . . . . . 27--27
                      Anonymous   To Inventors . . . . . . . . . . . . . . 29--29
        
                      Anonymous   Recently Patented Inventions . . . . . . 316--316
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 316--316
                      Anonymous   Business and Personal  . . . . . . . . . 316--316
                      Anonymous   Notes and Queries  . . . . . . . . . . . 316--316
                      Anonymous   Index of Inventions  . . . . . . . . . . 317--317
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 319--319
                      Anonymous   Capped Projectiles and Panic Legislation 306--306
                      Anonymous   The Shrinkage of Lake Nicaragua  . . . . 306--306
                      Anonymous   Electricity in the Field of
                                  Transportation --- a Forecast  . . . . . 306--307
                      Anonymous   A National Need  . . . . . . . . . . . . 307--307
                Marcus Benjamin   The Methods Employed by the Assay
                                  Commission . . . . . . . . . . . . . . . 307--307
                      Anonymous   A Speedy Business Transaction with China 307--307
                      Anonymous   Great Submarine Blast in San Francisco
                                  Bay  . . . . . . . . . . . . . . . . . . 308--308
                       C. Field   The New Russian Battleship
                                  ``Petropavlovsk''  . . . . . . . . . . . 308--308
                      Anonymous   Death Valley, California . . . . . . . . 309--310
                      Anonymous   A New Curtain-Hanger . . . . . . . . . . 310--310
                      Anonymous   A Sterilizer for Razors and Surgical
                                  Instruments  . . . . . . . . . . . . . . 310--311
                      Anonymous   Manufacture of Guns and Armor at the
                                  Bethlehem Steel Works  . . . . . . . . . 312--313
                      Anonymous   Proposed National Memorial Bridge across
                                  the Potomac at Washington  . . . . . . . 313--313
                      Anonymous   Alexandre III Memorial Bridge, Paris . . 313--314
                      Anonymous   A Pair of Curious Relics at Aberfoyle,
                                  Scotland . . . . . . . . . . . . . . . . 314--314
                F. A. A. Talbot   Aerial Photography . . . . . . . . . . . 314--314
                      Anonymous   Gold Deposits and Mining Methods at Cape
                                  Nome . . . . . . . . . . . . . . . . . . 315--315
                      Anonymous   To Inventors . . . . . . . . . . . . . . 317--317
        
           Henry Norris Russell   The Heavens in June  . . . . . . . . . . 323--323
                      Anonymous   Correspondence . . . . . . . . . . . . . 330--330
                      Anonymous   Recently Patented Inventions . . . . . . 332--332
                      Anonymous   Business and Personal  . . . . . . . . . 332--332
                      Anonymous   Notes and Queries  . . . . . . . . . . . 332--332
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 332--332
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 335--335
                      Anonymous   Progress of the New York Rapid Transit
                                  Tunnel . . . . . . . . . . . . . . . . . 322--322
                      Anonymous   Some Needs of Modern Chemistry . . . . . 322--322
                      Anonymous   Two Impossible Bills . . . . . . . . . . 322--322
                      Anonymous   The Postal Service in the Time of Queen
                                  Anne . . . . . . . . . . . . . . . . . . 322--322
                  J. A. Stewart   Textile Manufacturing in the New South   322--323
                      Anonymous   The Emigration to Cape Nome  . . . . . . 323--323
                      Anonymous   A Small Automatic Electric Air-Pump  . . 324--324
                      Anonymous   Shouldering Car for Leveling and
                                  Trimming Roadbed . . . . . . . . . . . . 324--324
                      Anonymous   Count von Zeppelin's Airship . . . . . . 325--326
                      Anonymous   Borax --- Old and New Methods of
                                  Production . . . . . . . . . . . . . . . 326--327
                 Waldon Fawcett   The Sault Power Canal  . . . . . . . . . 328--329
                      Anonymous   Curiously Cut Yew Trees  . . . . . . . . 329--329
                      Anonymous   A Waterproof Detonator for Mines . . . . 330--330
                      Anonymous   A Mechanical Cotton-Picker . . . . . . . 330--330
           Chas. Fred'k. Holder   Some Pacific Sharks and Accompanying
                                  Fishes . . . . . . . . . . . . . . . . . 331--331
                      Anonymous   To Inventors . . . . . . . . . . . . . . 332--332
        
                      Anonymous   Recently Patented Inventions . . . . . . 348--348
                      Anonymous   Business and Personal  . . . . . . . . . 348--348
                      Anonymous   Notes and Queries  . . . . . . . . . . . 348--348
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 348--348
                      Anonymous   Index of Inventions  . . . . . . . . . . 349--349
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 351--351
                      Anonymous   Preliminary Hearing of the President's
                                  Canal Commission . . . . . . . . . . . . 338--338
                      Anonymous   Mutually Profitable  . . . . . . . . . . 338--338
                      Anonymous   Congress and the Pneumatic Dispatch
                                  System in this City  . . . . . . . . . . 338--338
                      Anonymous   Development of Color-Photography . . . . 338--338
                      Anonymous   The American Trotter Abroad  . . . . . . 338--339
                      Anonymous   The Japanese Grasses . . . . . . . . . . 339--339
                      Anonymous   Death of Jonas Gilman Clark  . . . . . . 339--339
                      Anonymous   Paris Exposition Notes . . . . . . . . . 339--339
                      Anonymous   Single-Rail Storage Battery Motor  . . . 340--340
                      Anonymous   Portable Shields for Infantry  . . . . . 340--340
                      Anonymous   Wood Mosaic  . . . . . . . . . . . . . . 341--341
              William B. Gamble   The Assaying of Gold and Silver Ores . . 341--342
                  J. A. Stewart   Cotton Trade Schools in the South  . . . 342--343
                      Anonymous   A New Form of Car Fender . . . . . . . . 343--343
                      Anonymous   The Paris Exposition . . . . . . . . . . 344--345
                      Anonymous   Electric Cab System of Paris . . . . . . 345--346
                Herbert T. Wade   Dr. Pupin's Improvements in
                                  Long-Distance Telephony  . . . . . . . . 346--347
                    Frank Aaron   The Store-Room Beetle or Book Worm . . . 347--347
                      Anonymous   To Inventors . . . . . . . . . . . . . . 349--349
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 363--363
                      Anonymous   Recently Patented Inventions . . . . . . 363--363
                      Anonymous   Business and Personal  . . . . . . . . . 363--363
                      Anonymous   Notes and Queries  . . . . . . . . . . . 363--363
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 363--363
                      Anonymous   Index of Inventions  . . . . . . . . . . 363--363
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 367--367
                      Anonymous   Atmospheric Resistance to Railroad
                                  Trains . . . . . . . . . . . . . . . . . 354--354
                      Anonymous   The Total Eclipse of the Sun . . . . . . 354--354
                      Anonymous   Scientific Translation . . . . . . . . . 354--354
                      Anonymous   The Central London Tunnel Road . . . . . 354--355
                      Anonymous   Smelting Process for Zinc Ores . . . . . 355--355
                      Anonymous   A New Tele-Photo Lens  . . . . . . . . . 355--355
                      Anonymous   The Latest Developer . . . . . . . . . . 355--355
                      Anonymous   An Improvement in Driers . . . . . . . . 356--356
                      Anonymous   Experimental Train for Testing
                                  Atmospheric Resistance . . . . . . . . . 356--356
                      Anonymous   New Plow Attachment  . . . . . . . . . . 356--356
                      Anonymous   The Manufacture of Salt  . . . . . . . . 357--358
                      Anonymous   Manufacture of Guns and Armor at the
                                  Bethlehem Steel Works  . . . . . . . . . 358--359
             Henry Randall Webb   Observations on the Eclipse of May 28,
                                  1900 . . . . . . . . . . . . . . . . . . 360--360
                  W. S. Harwood   The Mummification of Cats in Ancient
                                  Egypt  . . . . . . . . . . . . . . . . . 361--361
                      Anonymous   United States Battleship ``Georgia'' and
                                  Class  . . . . . . . . . . . . . . . . . 361--362
                      Anonymous   An Hydraulic Motor of Novel Construction 363--363
                      Anonymous   An Attractive Dwelling and Conservatory
                                  for  . . . . . . . . . . . . . . . . . . 363--363
                      Anonymous   To Inventors . . . . . . . . . . . . . . 363--363
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 375--375
                      Anonymous   Recently Patented Inventions . . . . . . 380--380
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 380--380
                      Anonymous   Business and Personal  . . . . . . . . . 381--381
                      Anonymous   Notes and Queries  . . . . . . . . . . . 381--381
                      Anonymous   Index of Inventions  . . . . . . . . . . 381--381
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 383--383
                      Anonymous   The Armor Plate Fiasco . . . . . . . . . 370--370
                      Anonymous   Two Remarkable Achievements in Chemical
                                  Physics  . . . . . . . . . . . . . . . . 370--370
                      Anonymous   Our Phenomenal Exports . . . . . . . . . 370--370
                      Anonymous   The Railroad Systems of Asia . . . . . . 370--371
                 Alton D. Adams   Electrical Supply by Gas Companies . . . 371--371
                      Anonymous   Paris Exposition Notes . . . . . . . . . 371--371
                      Anonymous   Felling Tall Chimneys  . . . . . . . . . 372--372
                      Anonymous   The Herreshoff 70-Foot Yacht ``Mineola'' 373--373
                D. Allen Willey   Electric Head Light Effects  . . . . . . 373--374
                      Anonymous   Some Unique Attractions of the Paris
                                  Exposition . . . . . . . . . . . . . . . 374--374
                      Anonymous   An Adjustable Hoisting Pulley  . . . . . 374--374
                      Anonymous   A Photograph of the Solar Eclipse  . . . 376--376
                      Anonymous   Rolling-Lift Bridge over Fort Point
                                  Channel, Boston  . . . . . . . . . . . . 376--376
                      Anonymous   Manufacture of Carborundum at Niagara
                                  Falls  . . . . . . . . . . . . . . . . . 377--378
                      Anonymous   Efficient Shot-Gun Cleaner . . . . . . . 378--378
                      Anonymous   Improved Vending-Machine . . . . . . . . 378--378
                  Robert Wilson   A Curious Historic Weapon  . . . . . . . 379--379
                      Anonymous   Etruscan Tombs at Orvieto  . . . . . . . 379--379
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 390--390
                      Anonymous   Recently Patented Inventions . . . . . . 396--396
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 396--396
                      Anonymous   Business and Personal  . . . . . . . . . 396--396
                      Anonymous   Notes and Queries  . . . . . . . . . . . 396--396
                      Anonymous   Index of Inventions  . . . . . . . . . . 397--397
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 399--399
                      Anonymous   The Battleship of the Future . . . . . . 386--386
                      Anonymous   Electric Furnace Litigation --- an
                                  Important Patent Decision  . . . . . . . 386--386
                      Anonymous   An Experiment on the Roman Campagna with
                                  the Malarial Mosquito  . . . . . . . . . 386--387
               George J. Varney   Curious Things in Clouds . . . . . . . . 387--387
                      Anonymous   Experimental Formation of the Fluorides
                                  of Sulphur . . . . . . . . . . . . . . . 387--387
                      Anonymous   Death of Dr. Paul Gibier . . . . . . . . 387--387
                      Anonymous   An Acetylene Gas Explosion . . . . . . . 387--387
            W. F. Bradshaw, Jr.   The First Submarine Cable  . . . . . . . 388--388
                      Anonymous   Armored Traction Engine and Train  . . . 388--389
               Frank C. Perkins   Electrical Coal-Mining Machines  . . . . 389--389
                      Anonymous   A Truck Attachment for Sulky-Rakes . . . 390--391
              Charles W. Larned   The United States Military Academy . . . 392--393
                      Anonymous   Forest Preservation  . . . . . . . . . . 393--394
                      Anonymous   The Baldwin Acetylene Bicycle-Lamp . . . 394--394
                      Anonymous   A Simple Wrench of Novel form  . . . . . 395--395
       Charles Frederick Holder   Diving for Zoological Specimens  . . . . 395--395
        
           Henry Norris Russell   The Heavens in July  . . . . . . . . . . 403--403
                      Anonymous   Correspondence . . . . . . . . . . . . . 410--410
                      Anonymous   Recently Patented Inventions . . . . . . 410--411
                      Anonymous   Business and Personal  . . . . . . . . . 411--411
                      Anonymous   Notes and Queries  . . . . . . . . . . . 411--411
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 411--411
                      Anonymous   Index of Inventions  . . . . . . . . . . 411--411
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 413--414
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 415--415
                      Anonymous   The Latest Liquid Air Fallacy  . . . . . 402--402
                      Anonymous   Economic Value of Good Roads . . . . . . 402--402
                      Anonymous   Commercial Expansion as a Science  . . . 402--403
                Marcus Benjamin   Robert Simpson Woodward  . . . . . . . . 403--403
                      Anonymous   A Self-Launching Fire-Ladder . . . . . . 404--404
                      Anonymous   An Improved Valve for Steam Radiators    404--404
                      Anonymous   Examination of the Drinking Water of
                                  Brooklyn, New York . . . . . . . . . . . 404--405
                      Anonymous   Two Notable High-Speed Foreign Cruisers  405--406
                      Anonymous   Some Perspectives of the Paris
                                  Exposition . . . . . . . . . . . . . . . 406--407
                      Anonymous   A Military Automobile  . . . . . . . . . 408--408
                      Anonymous   Ostia, the Port of Ancient Rome  . . . . 409--410
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 38--38
                      Anonymous   Recently Patented Inventions . . . . . . 44--44
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 44--44
                      Anonymous   Business and Personal  . . . . . . . . . 44--44
                      Anonymous   Notes and Queries  . . . . . . . . . . . 44--45
                      Anonymous   Index of Inventions  . . . . . . . . . . 45--45
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 47--47
                      Anonymous   Legislative Foolishness  . . . . . . . . 34--34
                      Anonymous   Official Trial of the United States
                                  Cruiser ``Albany'' . . . . . . . . . . . 34--34
                      Anonymous   The Isthmian Canal . . . . . . . . . . . 34--34
                      Anonymous   American Goods in Russia . . . . . . . . 34--34
              Godfrey L. Carden   British and Boer Guns --- a Lesson from
                                  the South African War  . . . . . . . . . 35--35
                      Anonymous   Palisade Preservation  . . . . . . . . . 35--35
                      Anonymous   The ``Kaiser Wilhelm'' Again Breaks her
                                  Record . . . . . . . . . . . . . . . . . 35--35
                      Anonymous   Magnetism of the Earth . . . . . . . . . 35--35
                      Anonymous   Torpedo Boat Makes over 35 Knots an Hour 35--35
                      Anonymous   A Remarkable Collection of Lamps . . . . 35--35
                      Anonymous   A Warning to the Inventor  . . . . . . . 35--35
                      Anonymous   The New Croton Dam --- New York City's
                                  Water Supply . . . . . . . . . . . . . . 36--36
                      Anonymous   A Guard for the Projecting Parts of
                                  Machinery  . . . . . . . . . . . . . . . 37--37
                      Anonymous   The Pierce Cushion-Frame, Chainless
                                  Bicycle  . . . . . . . . . . . . . . . . 37--37
                      Anonymous   An Improved Chain Pipe-Wrench  . . . . . 37--37
                      Anonymous   How a Weather Map is Made  . . . . . . . 38--39
           George Wharton James   Discovery of Cliff Dwellings in the
                                  Southwest  . . . . . . . . . . . . . . . 40--41
                      Anonymous   The Armament of our Latest Warships  . . 41--42
               Howard B. Dailey   Electro-magnetic Rotation  . . . . . . . 42--42
                      Anonymous   The Danilewsky Flying Machine  . . . . . 43--43
        
                      Anonymous   Recently Patented Inventions . . . . . . 60--61
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 61--61
                      Anonymous   Business and Personal  . . . . . . . . . 61--61
                      Anonymous   Notes and Queries  . . . . . . . . . . . 61--61
                      Anonymous   Index of Inventions  . . . . . . . . . . 61--61
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 63--63
                      Anonymous   A New Era in City Transportation . . . . 50--50
                      Anonymous   The Agricultural Outlook in Puerto Rico  50--50
                      Anonymous   ``Time is Money''  . . . . . . . . . . . 50--50
                      Anonymous   A Wise Decision  . . . . . . . . . . . . 50--50
                      Anonymous   Comparative Cost of Horse and Automobile 50--51
                      Anonymous   Injection of Wood  . . . . . . . . . . . 51--51
                      Anonymous   The Pan-American Exposition of 1901  . . 51--51
                      Anonymous   The Risks of War . . . . . . . . . . . . 51--51
                      Anonymous   Death of Professor Egleston  . . . . . . 51--51
                      Anonymous   Possible Federal Protection of Birds . . 51--51
                      Anonymous   Travel to Paris  . . . . . . . . . . . . 51--51
                      Anonymous   Civil Engineers in Session . . . . . . . 51--51
                      Anonymous   A Foot-Power Hammer  . . . . . . . . . . 52--52
                      Anonymous   Cables of the New East River Bridge  . . 52--52
                      Anonymous   Reconstruction of Farragut's Flagship,
                                  the U.S.S. ``Hartford''  . . . . . . . . 53--54
                      Anonymous   The ``Locomobile'' Steam Carriage  . . . 54--55
                     Edgar Mels   The Natives of South Africa  . . . . . . 56--57
                      Anonymous   The Diamond Mines of Kim-Berley  . . . . 57--58
                      Anonymous   Curious Mishap to a Billiard Ball  . . . 58--59
                      Anonymous   Military Motor Carriage  . . . . . . . . 59--60
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 71--71
                      Anonymous   Recently Patented Inventions . . . . . . 76--76
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 76--76
                      Anonymous   Business and Personal  . . . . . . . . . 77--77
                      Anonymous   Notes and Queries  . . . . . . . . . . . 77--77
                      Anonymous   Index of Inventions  . . . . . . . . . . 77--79
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 79--79
                      Anonymous   The Erie Canal Problem . . . . . . . . . 66--66
                      Anonymous   Excavations at Susa  . . . . . . . . . . 66--66
                      Anonymous   Automatic Machinery and the Russian
                                  Peasant  . . . . . . . . . . . . . . . . 66--66
                      Anonymous   Stonehenge . . . . . . . . . . . . . . . 67--67
                      Anonymous   The ``Green Ray'' at Sunset  . . . . . . 67--67
                     Enos Brown   The New Mining District at Cape Nome . . 67--67
                      Anonymous   John Ruskin  . . . . . . . . . . . . . . 67--67
                      Anonymous   Crops in 1899  . . . . . . . . . . . . . 67--67
                      Anonymous   Death of Prof. Hughes  . . . . . . . . . 67--67
                      Anonymous   An Improved Electro-Magnetic Apparatus   68--68
                Francis P. Mann   Stassano Process . . . . . . . . . . . . 68--68
                      Anonymous   Repairing a Propeller Shaft at Sea . . . 68--69
                      Anonymous   The New York Rapid Transit Tunnel  . . . 69--70
              Charles F. Holder   The Ibis . . . . . . . . . . . . . . . . 72--72
                      Anonymous   A Portable Search Light for Fire
                                  Department Use . . . . . . . . . . . . . 72--73
                      Anonymous   New Excavations at Carthage  . . . . . . 73--73
                      Anonymous   The Proposed Pneumatic Balance Locks for
                                  the Erie Canal . . . . . . . . . . . . . 74--74
                      Anonymous   An Early Reaping-Machine . . . . . . . . 75--76
                      Anonymous   To Inventors . . . . . . . . . . . . . . 77--77
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 86--87
                      Anonymous   Recently Patented Inventions . . . . . . 92--93
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 93--93
                      Anonymous   Business and Personal  . . . . . . . . . 93--93
                      Anonymous   Notes and Queries  . . . . . . . . . . . 93--93
                      Anonymous   Index of Inventions  . . . . . . . . . . 93--95
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 95--95
                      Anonymous   The Nicaragua Canal Bill --- an Affront
                                  to the Nation  . . . . . . . . . . . . . 82--82
                      Anonymous   The Bill for Establishing a High Court
                                  of Patents . . . . . . . . . . . . . . . 82--82
                      Anonymous   Distance and Speed . . . . . . . . . . . 82--83
                      Anonymous   Regulation of the Nicaragua Canal Summit
                                  Level  . . . . . . . . . . . . . . . . . 83--83
                      Anonymous   Report of the Smithsonian Institution    83--83
                      Anonymous   The Foreign Commerce of the United
                                  States in 1899 . . . . . . . . . . . . . 83--83
                      Anonymous   An International Association of
                                  Academies  . . . . . . . . . . . . . . . 83--83
                      Anonymous   The World's Production of Precious
                                  Metals . . . . . . . . . . . . . . . . . 83--83
                      Anonymous   An Automatic Device for Stopping Engines 84--84
              M. J. Hoferer and   
                           S. J   Nodes and Loops  . . . . . . . . . . . . 84--84
                      Anonymous   Serpollet Acetylene Generator  . . . . . 84--84
                 Waldon Fawcett   Cantilever Cranes  . . . . . . . . . . . 85--86
                      Anonymous   Half a Century in the Development of the
                                  Bicycle  . . . . . . . . . . . . . . . . 88--89
                      Anonymous   Automobiles at the Madison Square Garden
                                  Show . . . . . . . . . . . . . . . . . . 89--91
                      Anonymous   A Remarkable Banyan Tree at St. Kitts    91--92
        
                      Anonymous   Recently Patented Inventions . . . . . . 108--108
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 108--108
                      Anonymous   Business and Personal  . . . . . . . . . 108--108
                      Anonymous   Notes and Queries  . . . . . . . . . . . 108--108
                      Anonymous   Index of Inventions  . . . . . . . . . . 108--111
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 111--111
                      Anonymous   The American Pacific Cable . . . . . . . 98--98
                      Anonymous   An Extraordinary Patent Decision . . . . 98--98
                      Anonymous   Our Books in 1899  . . . . . . . . . . . 98--98
                      Anonymous   Women in Science . . . . . . . . . . . . 98--98
                      Anonymous   The Chicago Drainage Canal . . . . . . . 99--99
                      Anonymous   Employing the Carabao for Army Purposes
                                  in the Philippines . . . . . . . . . . . 99--99
                      Anonymous   Factory Inspection of New York State . . 99--99
                      Anonymous   The New Government Printing Office . . . 99--99
                      Anonymous   A New Way of Cleaning Ships' Bottoms . . 100--100
                      Anonymous   A Novel Reversing Gear . . . . . . . . . 100--100
                George A. Damon   Magnetic Clutches  . . . . . . . . . . . 100--101
                      Anonymous   The Four-Cylinder Compound Locomotives
                                  of the Northern Railway of France  . . . 101--104
                      Anonymous   Auto-Quadricycle at the Bicycle and Auto
                                  Mobile Show  . . . . . . . . . . . . . . 104--104
                  J. A. Stewart   The New Inland Waterway  . . . . . . . . 105--106
   Charles Minor Blackford, Jr.   Curiosities of Ichthyology . . . . . . . 107--107
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 124--124
                      Anonymous   Recently Patented Inventions . . . . . . 124--125
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 125--125
                      Anonymous   Business and Personal  . . . . . . . . . 125--125
                      Anonymous   Notes and Queries  . . . . . . . . . . . 125--125
                      Anonymous   Index of Inventions  . . . . . . . . . . 125--127
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 127--127
                      Anonymous   Revival of the Second-Class Mail Matter
                                  Question . . . . . . . . . . . . . . . . 114--114
                      Anonymous   The Problem of San Francisco Bay . . . . 114--114
                      Anonymous   The Production of Gold . . . . . . . . . 114--114
                      Anonymous   The Utilization of Wastes for Power  . . 114--114
                      Anonymous   A Great Russian Pipe Line  . . . . . . . 114--114
                Angelo Heilprin   An Assumed Inconstancy in the Level of
                                  Lake Nicaragua; A Question of Permanency
                                  of the Nicaragua Canal . . . . . . . . . 115--115
                      Anonymous   Two Forms of a New Dish-Washing Machine  116--116
                      Anonymous   A World's Record in Bridge Building  . . 116--116
                      Anonymous   A Mechanical Stoker for Furnaces . . . . 116--116
                      Anonymous   The Progress of Practical Aeronautics
                                  during 1899  . . . . . . . . . . . . . . 117--117
                      Anonymous   Casting Pig Iron by Machinery  . . . . . 118--119
                D. Allen Willey   The Round-Lap Bale Method of Shipping
                                  Cotton . . . . . . . . . . . . . . . . . 120--122
                      Anonymous   A Tool for Transplanting Buds  . . . . . 122--122
                      Anonymous   An Improved Apparatus for Raising
                                  Liquids  . . . . . . . . . . . . . . . . 122--122
                      Anonymous   The Xiphopages, Rosalina and Maria . . . 123--123
        
                      Anonymous   Recently Patented Inventions . . . . . . 140--140
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 140--140
                      Anonymous   Business and Personal  . . . . . . . . . 140--140
                      Anonymous   Notes and Queries  . . . . . . . . . . . 140--140
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--143
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 143--143
                      Anonymous   The Ideal Automobile . . . . . . . . . . 130--130
                      Anonymous   Prospects of the Peary Relief Expedition 130--130
                 Altan D. Adams   Electric Train Lighting  . . . . . . . . 130--130
                      Anonymous   Air Pipes for Mines, Made of Cloth . . . 130--130
                      Anonymous   ``Hall I' Th' Wood,'' Bolton . . . . . . 130--130
                      Anonymous   The Father of Photography  . . . . . . . 130--131
                  C. K. Hawkins   Turpentine and Rosin . . . . . . . . . . 131--131
                      Anonymous   Our Rapidly Growing Irrigation Areas . . 131--131
                      Anonymous   New Steamships Building  . . . . . . . . 131--131
                      Anonymous   An Efficient Corn and Potato Hiller  . . 132--132
                      Anonymous   A Bicycle Motor Equipment  . . . . . . . 132--132
                      Anonymous   A New Nut-Lock . . . . . . . . . . . . . 132--132
                      Anonymous   An Improved Wire-Stretcher . . . . . . . 133--133
                   H. A. Crafts   The Snowfall and Water Supply of the
                                  Rocky Mountains  . . . . . . . . . . . . 133--134
                      Anonymous   Belgian Hare Raising in Southern
                                  California . . . . . . . . . . . . . . . 134--135
                      Anonymous   Electro-Pneumatic Switching and
                                  Signaling System at the South Boston
                                  Terminal Station . . . . . . . . . . . . 136--137
                      Anonymous   Naval Constructor Francis T. Bowles  . . 137--138
                      Anonymous   New York Navy Yard, Brooklyn . . . . . . 138--139
                      Anonymous   Building Wharf at Pango Pango  . . . . . 139--139
        
                      Anonymous   Recently Patented Inventions . . . . . . 12--12
                      Anonymous   Business and Personal  . . . . . . . . . 12--12
                      Anonymous   Notes and Queries  . . . . . . . . . . . 12--12
                      Anonymous   Index of Inventions  . . . . . . . . . . 13--13
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 15--15
                      Anonymous   An Unfortunate Compromise  . . . . . . . 4--4
                      Anonymous   Garbage Disposal of New York City  . . . 4--4
                      Anonymous   Relation between Transverse and Crushing
                                  Strength of Timber . . . . . . . . . . . 4--4
                      Anonymous   Wireless Telegraphy in South Africa  . . 4--4
                      Anonymous   Recent Discoveries in Corinth  . . . . . 4--4
                      Anonymous   Quartz Thermometers  . . . . . . . . . . 4--5
                      Anonymous   Muir Glacier Destroyed . . . . . . . . . 5--5
                      Anonymous   American Association for the Advancement
                                  of Science . . . . . . . . . . . . . . . 5--5
                      Anonymous   Paris Exposition Notes . . . . . . . . . 5--5
                 Waldon Fawcett   Dredges on the Mississippi . . . . . . . 6--6
                Francis P. Mann   The New Air Ship of M. De Santos Dumont  7--7
                   L. O. Howard   The Differences between Malarial and
                                  Non-Malarial Mosquitoes  . . . . . . . . 8--9
                      Anonymous   The Wheat Crop of California . . . . . . 9--9
                  Wilber Colvin   Gold Mining in Georgia . . . . . . . . . 10--11
                      Anonymous   The Elevated Railway Drawbridge, Boston  11--12
                      Anonymous   An Air-Directing Device for Electric
                                  Fans . . . . . . . . . . . . . . . . . . 12--12
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 150--151
                      Anonymous   Recently Patented Inventions . . . . . . 156--156
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 157--157
                      Anonymous   Business and Personal  . . . . . . . . . 157--157
                      Anonymous   Notes and Queries  . . . . . . . . . . . 157--157
                      Anonymous   Index of Inventions  . . . . . . . . . . 157--157
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 159--159
                      Anonymous   From Cable to Trolley  . . . . . . . . . 146--146
                      Anonymous   American and British Engineering
                                  Competition  . . . . . . . . . . . . . . 146--146
                      Anonymous   Crystalline Iodide of Mercury  . . . . . 146--146
                      Anonymous   Experiments of M. Moissan  . . . . . . . 146--147
                      Anonymous   Paris Exposition --- Electrical Congress 147--147
                      Anonymous   Marconi's Latest Developments ---
                                  Synchronized Messages  . . . . . . . . . 147--147
                      Anonymous   Explosion of a Naphtha Launch  . . . . . 147--147
                      Anonymous   Accumulators Working under Water . . . . 147--147
                      Anonymous   Steam Tipping-Cart . . . . . . . . . . . 148--148
                      Anonymous   An Improved Scraper  . . . . . . . . . . 148--148
                 Waldon Fawcett   Irrigation in Idaho  . . . . . . . . . . 149--149
                      Anonymous   Paris Exposition --- United States
                                  Mining and Metallurgical Exhibit . . . . 152--153
                      Anonymous   The Making of a Half-Tone Engraving  . . 153--154
                      Anonymous   Experiments on the Cathode Rays  . . . . 154--154
                      Anonymous   The Last of a Famous ``America'' Cup
                                  Challenger . . . . . . . . . . . . . . . 155--155
                      Anonymous   The First-Class Battleship ``Alabama''   155--156
                      Anonymous   To Inventors . . . . . . . . . . . . . . 157--157
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 167--167
                      Anonymous   Recently Patented Inventions . . . . . . 172--173
                      Anonymous   Business and Personal  . . . . . . . . . 173--173
                      Anonymous   Notes and Queries  . . . . . . . . . . . 173--173
                      Anonymous   Index of Inventions  . . . . . . . . . . 173--175
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 175--175
                      Anonymous   The Armament of our New Battleships and
                                  Cruisers . . . . . . . . . . . . . . . . 162--162
                      Anonymous   Proposed Abandonment of Port Royal Naval
                                  Station  . . . . . . . . . . . . . . . . 162--162
                      Anonymous   Curious Facts Regarding Mosquitoes . . . 162--163
                      Anonymous   Another Electric Railway for London  . . 163--163
                      Anonymous   Malarial Infection on the East Coast of
                                  Africa . . . . . . . . . . . . . . . . . 163--163
                      Anonymous   The ``Deutschland'' Breaks Two Records   163--163
                      Anonymous   The Great Ararat Ascended  . . . . . . . 163--163
                      Anonymous   The Duke of Abruzzi's Expedition Reaches
                                  the Highest Altitude . . . . . . . . . . 163--163
                      Anonymous   Science Notes  . . . . . . . . . . . . . 163--163
                      Anonymous   An Automatic Acetylene-Generator . . . . 164--164
                      Anonymous   Paris Exposition --- Models in Hungarian
                                  Section, Illustrating Engineering Work
                                  on Lower Danube  . . . . . . . . . . . . 164--165
                      Anonymous   Pilot Boat Wrecked by a Whale  . . . . . 165--165
                      Anonymous   A Simple Indicator for Locomobile
                                  Water-Tanks  . . . . . . . . . . . . . . 165--165
                      Anonymous   The Greatest Business Concern in the
                                  World  . . . . . . . . . . . . . . . . . 166--166
                      Anonymous   Paris Exposition --- Large Engine  . . . 168--168
              Charles F. Holder   Some Living Lamps  . . . . . . . . . . . 168--169
                 G. H. P. M'vey   Laying a 24-Inch Gas Main across the
                                  Harlem River . . . . . . . . . . . . . . 169--170
                Gustave Michaud   The Climate of our New Possessions . . . 171--172
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 182--182
                      Anonymous   Recently Patented Inventions . . . . . . 189--189
                      Anonymous   Business and Personal  . . . . . . . . . 189--189
                      Anonymous   Notes and Queries  . . . . . . . . . . . 189--189
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 189--189
                      Anonymous   Index of Inventions  . . . . . . . . . . 190--190
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 191--191
                      Anonymous   Awards to American Exhibitors at Paris   178--178
                      Anonymous   Poulsen's Telegraphone . . . . . . . . . 178--178
                      Anonymous   Mechanical Stoking in the United States  178--178
                      Anonymous   English vs. German Atlantic Liners . . . 179--179
                      Anonymous   The Temple Library at Nippur . . . . . . 179--179
                 Altan D. Adams   Distant Water Powers . . . . . . . . . . 179--179
                      Anonymous   Exports of American Coal . . . . . . . . 179--179
                      Anonymous   The Spiral-Globe Lamp  . . . . . . . . . 180--180
                      Anonymous   An Automatic Oval Wood Dish Machine  . . 180--180
                      Anonymous   Poulsen Telegraphone . . . . . . . . . . 181--181
                 Waldon Fawcett   The New Era of the American Sailing
                                  Vessel . . . . . . . . . . . . . . . . . 182--183
                      Anonymous   Paris Exposition --- Austrian Palace . . 184--184
                      Anonymous   Models in Austrian Section of the Paris
                                  Exposition . . . . . . . . . . . . . . . 185--185
                      Anonymous   Coney Island's Centrifugal Railway . . . 185--186
                      Anonymous   Color Screen for Telescopes  . . . . . . 186--186
                      Anonymous   Rebuilding Niagara's Reservation Bridges 187--188
        
           Henry Norris Russell   The Heavens in October . . . . . . . . . 195--195
                      Anonymous   Recently Patented Inventions . . . . . . 204--204
                      Anonymous   Business and Personal  . . . . . . . . . 205--205
                      Anonymous   Notes and Queries  . . . . . . . . . . . 205--205
                      Anonymous   Index of Inventions  . . . . . . . . . . 205--205
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 207--207
                      Anonymous   Another ``Invention'' --- a 70 Knot
                                  Submarine Boat?  . . . . . . . . . . . . 194--194
                      Anonymous   The Galveston Disaster . . . . . . . . . 194--194
                      Anonymous   New Torpedo Destroyers for Holland . . . 194--194
                      Anonymous   Hand-Labor in Chinese Mines  . . . . . . 194--194
                      Anonymous   Traffic in European Ports  . . . . . . . 194--195
                      Anonymous   The British Association for the
                                  Advancement of Science . . . . . . . . . 195--195
                      Anonymous   The International Physical Congress  . . 195--195
                      Anonymous   The Chicago Automobile Show  . . . . . . 195--195
                      Anonymous   The ``Fortis'' Electric Exerciser  . . . 196--196
                      Anonymous   A Phosphate Transporter at Sfax  . . . . 196--197
                      Anonymous   The Damage to the ``Oregon'' . . . . . . 197--197
                      Anonymous   Two Novel Harrows  . . . . . . . . . . . 197--197
                      Anonymous   The Mareorama at the Paris Exposition    198--198
                      Anonymous   A Japanese Trade Mark  . . . . . . . . . 198--200
                     J. W. Kime   Penetrative Quality of Light as Tested
                                  by Photography . . . . . . . . . . . . . 200--200
                      Anonymous   The New Army 16-Inch Gun . . . . . . . . 201--202
                      Anonymous   Aborigines of the Nilgiris in South
                                  India  . . . . . . . . . . . . . . . . . 203--204
        
                      Anonymous   Recently Patented Inventions . . . . . . 220--220
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 220--220
                      Anonymous   Business and Personal  . . . . . . . . . 220--220
                      Anonymous   Notes and Queries  . . . . . . . . . . . 220--220
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--220
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 223--223
                      Anonymous   The Report of the Merchants' Association
                                  on the New York Water Supply . . . . . . 210--210
                      Anonymous   Galvanic Action of Copper Sheathing  . . 210--210
                      Anonymous   Spectrum of Radium . . . . . . . . . . . 210--210
                      Anonymous   Pallado-Oxalates . . . . . . . . . . . . 210--210
                      Anonymous   The Mastery of the Ocean . . . . . . . . 211--211
                      Anonymous   Experiments on Amalgams  . . . . . . . . 211--211
                      Anonymous   Operation of Welsbach Burners  . . . . . 211--211
                      Anonymous   A Cactus in the Botanical Garden at
                                  Berlin . . . . . . . . . . . . . . . . . 211--211
                      Anonymous   Paris Exposition Awards  . . . . . . . . 211--211
                      Anonymous   A Novel Grooving-Saw and Dado-Head . . . 212--212
                      Anonymous   The Langen Mono-Rail Road at the Paris
                                  Exposition . . . . . . . . . . . . . . . 212--212
                      Anonymous   A Cotton Per Cent Scale  . . . . . . . . 212--212
                      Anonymous   The Use of Flexible Bridles on Kites . . 213--213
                      Anonymous   Some Metallurgical Exhibits at the Paris
                                  Exposition . . . . . . . . . . . . . . . 213--213
                      Anonymous   Manufacture of Illuminating Gas  . . . . 214--215
                      Anonymous   Aleuts of the Alaska Peninsula . . . . . 216--216
                      Anonymous   A Unique Pigeon Postal Service . . . . . 217--217
                      Anonymous   The Langston mooring device  . . . . . . 217--218
              Arthur T. Kellogg   Chicago Automobile Exhibition and Race
                                  Meet . . . . . . . . . . . . . . . . . . 218--219
                      Anonymous   The Tri-State Fair Automobile Races  . . 219--219
        
                      Anonymous   Recently Patented Inventions . . . . . . 236--236
                      Anonymous   Business and Personal  . . . . . . . . . 237--237
                      Anonymous   Notes and Queries  . . . . . . . . . . . 237--237
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 237--237
                      Anonymous   Index of Inventions  . . . . . . . . . . 237--237
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 239--239
                      Anonymous   Extension of the Rapid Transit Tunnel to
                                  Brooklyn . . . . . . . . . . . . . . . . 226--226
                      Anonymous   Railroad Speeds in 1899  . . . . . . . . 226--226
                      Anonymous   The World's Naval Progress for 1900  . . 226--226
                 Alton D. Adams   Culm Banks and Fuel Gas  . . . . . . . . 227--227
                      Anonymous   The Nobel Prizes for Scientific
                                  Discoveries  . . . . . . . . . . . . . . 227--227
               Frank C. Perkins   High Power Engines and Three-Phase
                                  Generators at Paris  . . . . . . . . . . 228--228
               Owen B. Maginnis   The Practical Application of the
                                  Hydrostatic Level in Building
                                  Construction . . . . . . . . . . . . . . 229--229
                      Anonymous   The French Meteorological Observatory at
                                  Trappes  . . . . . . . . . . . . . . . . 229--230
                      Anonymous   A Cable-Grip for Mining-Cars . . . . . . 230--230
                      Anonymous   A Convenient Envelop Moistener and
                                  Sealer . . . . . . . . . . . . . . . . . 230--230
                      Anonymous   Electrical Palace and Fountain at the
                                  Paris Exposition . . . . . . . . . . . . 231--231
                      Anonymous   Launch of the Monitor ``Wyoming''  . . . 232--232
                      Anonymous   An Ingeniously Whittled Fan  . . . . . . 233--233
                      Anonymous   Electrical Dredge for the Volga River,
                                  Russia . . . . . . . . . . . . . . . . . 233--234
               Howard B. Dailey   Acceleration of the Spark Discharge in
                                  Static Machines  . . . . . . . . . . . . 234--234
                      Anonymous   ``Broadway Chambers'' --- Exhibits at
                                  the Paris Exposition . . . . . . . . . . 235--236
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 246--247
                      Anonymous   Recently Patented Inventions . . . . . . 252--252
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 252--252
                      Anonymous   Business and Personal  . . . . . . . . . 253--253
                      Anonymous   Notes and Queries  . . . . . . . . . . . 253--253
                      Anonymous   Index of Inventions  . . . . . . . . . . 253--253
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 255--255
                      Anonymous   The Mono-Rail for High-Speed Travel  . . 242--242
                      Anonymous   The Water-Tube Boiler on Trial . . . . . 242--242
                      Anonymous   The ``Wisconsin'' and the ``Variag'' . . 242--242
                      Anonymous   The Latest Developments of Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 242--243
                      Anonymous   Calcium Carbide at the Congress of
                                  Applied Chemistry  . . . . . . . . . . . 243--243
                      Anonymous   The Congress of Applied Chemistry at
                                  Paris  . . . . . . . . . . . . . . . . . 243--243
                      Anonymous   Borax in Europe  . . . . . . . . . . . . 243--243
                      Anonymous   A New Military Folding Bicycle . . . . . 244--244
                      Anonymous   A Collapsible Lathe-Dog  . . . . . . . . 244--244
                      Anonymous   Paris Exposition --- Building of the
                                  German Marine  . . . . . . . . . . . . . 245--245
                      Anonymous   Reconstruction in Concrete of Dry Dock
                                  No. 2, New York Navy Yard  . . . . . . . 246--246
                      Anonymous   A Mechanical Scarifier . . . . . . . . . 248--248
                      Anonymous   The 16-Inch Rifle and 20-Inch
                                  Smooth-Bore Compared . . . . . . . . . . 248--248
                      Anonymous   Strengthening the Cantilever Bridge at
                                  Niagara  . . . . . . . . . . . . . . . . 249--250
                 S. Frank Aaron   The Pantry Moth  . . . . . . . . . . . . 250--250
                   R. E. Thomas   Re-Invention in the World of Surgery . . 251--251
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 266--266
                      Anonymous   Recently Patented Inventions . . . . . . 268--268
                      Anonymous   Business and Personal  . . . . . . . . . 268--268
                      Anonymous   Notes and Queries  . . . . . . . . . . . 268--268
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 268--269
                      Anonymous   Index of Inventions  . . . . . . . . . . 269--269
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 271--271
                      Anonymous   To the Armor-Plate Makers  . . . . . . . 258--258
                      Anonymous   An America Cup Contest in 1901 . . . . . 258--258
                      Anonymous   Zeppelin's Airship on Trial  . . . . . . 258--258
                      Anonymous   The New Liner ``La Lorraine''  . . . . . 258--258
                      Anonymous   The Local Forecaster on the Galveston
                                  Hurricane  . . . . . . . . . . . . . . . 258--258
                      Anonymous   ``The Progress of Invention in the
                                  Nineteenth Century'' . . . . . . . . . . 259--259
                      Anonymous   Report of Rear Admiral Farquhar on the
                                  Newport Naval Maneuvers  . . . . . . . . 259--259
                      Anonymous   Indigo in Cambodia . . . . . . . . . . . 259--259
                      Anonymous   The School Gardens of Europe . . . . . . 259--260
                      Anonymous   ``Vieux Paris'' at the Exposition  . . . 260--260
                      Anonymous   An Improved Clothes-Washing Machine  . . 260--260
          Isaac Taylor Headland   The Unscientific Chinese . . . . . . . . 261--261
                      Anonymous   Gas-Generating Plant at the Paris
                                  Exposition . . . . . . . . . . . . . . . 261--262
                      Anonymous   The Reconstruction of the Kinzua Viaduct 262--262
                      Anonymous   Photographic Method of Determining Speed
                                  of Automobiles . . . . . . . . . . . . . 262--263
                      Anonymous   The Electric Fire Automobiles of the
                                  Paris Fire Department  . . . . . . . . . 264--264
                   George Stark   Railbreaker for Removing Old Tracks  . . 265--265
                   L. O. Howard   Two Interesting Uses of Insects by
                                  Natives in Natal . . . . . . . . . . . . 267--267
                      Anonymous   To Inventors . . . . . . . . . . . . . . 269--269
        
           Henry Norris Russell   The Heavens in November  . . . . . . . . 275--275
                      Anonymous   Correspondence . . . . . . . . . . . . . 282--282
                      Anonymous   Recently Patented Inventions . . . . . . 284--284
                      Anonymous   Business and Personal  . . . . . . . . . 284--284
                      Anonymous   Notes and Queries  . . . . . . . . . . . 284--284
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 284--284
                      Anonymous   Index of Inventions  . . . . . . . . . . 284--286
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 287--287
                      Anonymous   Irrigation in the Eastern States . . . . 274--274
                      Anonymous   A 40-Knot Steam Yacht  . . . . . . . . . 274--274
                      Anonymous   The National Memorial Bridge at
                                  Washington . . . . . . . . . . . . . . . 274--274
                      Anonymous   Our Railroads at the Close of the
                                  Century  . . . . . . . . . . . . . . . . 274--274
                      Anonymous   Soda Water Fountain in Great Britain . . 274--275
                      Anonymous   Congress of Tramways at Paris  . . . . . 275--275
                      Anonymous   The United States National Museum  . . . 275--275
                      Anonymous   How Russia Corners Sugar . . . . . . . . 275--275
                      Anonymous   A New Operating Table for Horses . . . . 276--276
                      Anonymous   A Reversible Engine of Novel Form  . . . 277--277
                      Anonymous   Electric Locomotive at the Paris
                                  Exhibition . . . . . . . . . . . . . . . 277--277
                      Anonymous   A Simple Sulky Attachment for Harrows    277--277
                      Anonymous   The French Cruisers ``Cecille'' and
                                  ``Suchet'' at New York . . . . . . . . . 278--279
                      Anonymous   The Rieder Electro-Engraving Apparatus   280--280
                      Anonymous   The Construction of a 150-Ton Flywheel   280--280
                      Anonymous   A Rack Railway on the Island of Sumatra  281--281
                      Anonymous   The Aerostatic Exhibits at Paris . . . . 282--283
                      Anonymous   To Inventors . . . . . . . . . . . . . . 284--284
        
                      Anonymous   Recently Patented Inventions . . . . . . 300--300
                      Anonymous   Business and Personal  . . . . . . . . . 300--300
                      Anonymous   Notes and Queries  . . . . . . . . . . . 300--300
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 300--300
                      Anonymous   Index of Inventions  . . . . . . . . . . 300--303
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 302--302
                      Anonymous   Atlantic Steamships --- Present and
                                  Future . . . . . . . . . . . . . . . . . 289--289
                      Anonymous   That Centrifugal Gun Again . . . . . . . 290--290
                      Anonymous   American Engineering Methods for the
                                  Development of India . . . . . . . . . . 290--290
                      Anonymous   Steamship Competition on the Atlantic    290--290
                      Anonymous   Lake Tanganyika Explorations . . . . . . 290--291
                     P. Villard   Cathode Rays . . . . . . . . . . . . . . 291--291
                      Anonymous   Purification of Gases  . . . . . . . . . 291--291
                      Anonymous   Death of Max Müller . . . . . . . . . . . 291--291
                      Anonymous   Oysters in Europe  . . . . . . . . . . . 291--292
                      Anonymous   A Square for Marking Shaft-Keyways . . . 292--292
                      Anonymous   The Hydrometer Syringe . . . . . . . . . 292--292
                      Anonymous   A Portable Thread-Cutting Machine  . . . 292--292
              Edward Hale Brush   The Color Treatment of the Pan-American
                                  Exposition . . . . . . . . . . . . . . . 293--294
                 Waldon Fawcett   The Production of American Pottery . . . 296--297
                      Anonymous   An Accident to a Train of Steel Cars . . 297--298
              Edward Hale Brush   Six Nations Village at the Pan-American
                                  Exposition . . . . . . . . . . . . . . . 298--298
                      Anonymous   The Puppet Show at the Exposition  . . . 299--299
        
                      Anonymous   Recently Patented Inventions . . . . . . 28--28
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 28--29
                      Anonymous   Business and Personal  . . . . . . . . . 29--29
                      Anonymous   Notes and Queries  . . . . . . . . . . . 29--29
                      Anonymous   Index of Inventions  . . . . . . . . . . 29--29
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 31--31
                      Anonymous   Fire-Proof Docks --- The Moral of a
                                  Great Calamity . . . . . . . . . . . . . 18--18
                      Anonymous   An Improvement in Radiography  . . . . . 18--18
                      Anonymous   Curious Chemical Compound  . . . . . . . 18--18
                 Alton D. Adams   Twentieth Century Energy . . . . . . . . 19--19
                      Anonymous   Paris Exposition Notes . . . . . . . . . 19--19
                      Anonymous   A Novel Nail Forming Machine . . . . . . 20--20
                      Anonymous   Electroengraving . . . . . . . . . . . . 20--20
                      Anonymous   An Automatic Coupling for Air-Brakes . . 20--21
                      Anonymous   The Burning of the North German Lloyd
                                  Steamships and Docks, Hoboken, N.J.  . . 21--23
                      Anonymous   The Manufacture of Guns and Armor at the
                                  Bethlehem Steel Works  . . . . . . . . . 24--26
                      Anonymous   A Compensation Tie-Plate . . . . . . . . 26--26
       Charles Frederick Holder   A California Cycleway  . . . . . . . . . 27--27
                      Anonymous   To Inventors . . . . . . . . . . . . . . 29--29
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 311--311
                      Anonymous   Recently Patented Inventions . . . . . . 316--316
                      Anonymous   Business and Personal  . . . . . . . . . 316--316
                      Anonymous   Notes and Queries  . . . . . . . . . . . 316--316
                      Anonymous   Index of Inventions  . . . . . . . . . . 316--319
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 318--318
                      Anonymous   Wanted --- a Marine Engine Governor  . . 306--306
                      Anonymous   The Sea Route as a Competitor of the
                                  Siberian Railway . . . . . . . . . . . . 306--306
                      Anonymous   California's Big Trees . . . . . . . . . 306--306
                      Anonymous   Home-Made Apparatus from Home Materials  307--307
                  ?. Bichat and   
                  ?. Swingedauw   Actino-Electric Phenomena Produced by
                                  Violet Rays  . . . . . . . . . . . . . . 307--307
                      Anonymous   Science Notes  . . . . . . . . . . . . . 307--307
                      Anonymous   The Woods Electric Vehicles  . . . . . . 308--308
               Frank C. Perkins   Electric Mining Locomotives  . . . . . . 309--309
                      Anonymous   The St. Lawrence Power Company's Plant
                                  at Massena, N.Y. . . . . . . . . . . . . 310--310
                      Anonymous   A Screw-Propeller of Novel Form  . . . . 311--311
                      Anonymous   The New Battleships  . . . . . . . . . . 312--313
                      Anonymous   Traveling Stairways for the Elevated
                                  Railways, New York . . . . . . . . . . . 313--313
              George M. Hopkins   A Home-Made Steam Engine . . . . . . . . 314--314
                      Anonymous   The Automobile Show at Madison Square
                                  Garden, New York . . . . . . . . . . . . 314--315
                      Anonymous   To Inventors . . . . . . . . . . . . . . 316--316
        
                      Anonymous   Recently Patented Inventions . . . . . . 332--332
                      Anonymous   Business and Personal  . . . . . . . . . 332--332
                      Anonymous   Notes and Queries  . . . . . . . . . . . 332--332
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 332--332
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--334
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 335--335
                      Anonymous   Object Lessons in Centrifugal Force  . . 322--322
                      Anonymous   Armor Controversy Finally Settled  . . . 322--322
                      Anonymous   Bogus Patent Attorneys in Great Britain  322--322
                      Anonymous   The Annual Meeting of the Society of
                                  Naval Architects and Marine Engineers    322--322
                      Anonymous   Close of the Paris Exposition  . . . . . 322--322
             George W. Melville   The Steam Turbine in Large Merchant
                                  Steamers . . . . . . . . . . . . . . . . 323--323
                William H. Hale   National Academy of Sciences, Providence
                                  Meeting  . . . . . . . . . . . . . . . . 323--323
               Frank C. Perkins   Swiss Turbines . . . . . . . . . . . . . 324--324
                      Anonymous   A Holder for Car-Platform Stakes . . . . 325--325
                      Anonymous   A Paint-Striper of Improved Form . . . . 325--325
                      Anonymous   The Underwood Typewriter . . . . . . . . 325--326
                      Anonymous   Progress of Work on the Rapid Transit
                                  Tunnel, New York . . . . . . . . . . . . 326--326
                      Anonymous   The Selden Patent Suit . . . . . . . . . 327--327
                       C. Field   Remarkable Gravestone at Forres,
                                  Scotland . . . . . . . . . . . . . . . . 328--328
                      Anonymous   The Torpedo Boat ``Viper'' in Dry Dock   328--328
              Edward Hale Brush   Progress of the Pan-American Exposition  329--330
              George M. Hopkins   II. The Electric Chime . . . . . . . . . 331--331
        
           Henry Norris Russell   The Heavens in December  . . . . . . . . 339--339
                      Anonymous   Correspondence . . . . . . . . . . . . . 342--342
                      Anonymous   Recently Patented Inventions . . . . . . 347--347
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 347--347
                      Anonymous   Business and Personal  . . . . . . . . . 348--348
                      Anonymous   Notes and Queries  . . . . . . . . . . . 348--348
                      Anonymous   Index of Inventions  . . . . . . . . . . 348--348
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 350--350
                      Anonymous   Congestion of Traffic at the Grand
                                  Central Station and Its Remedy . . . . . 338--338
                      Anonymous   Pacific Coast Ship-Building  . . . . . . 338--338
                      Anonymous   The Comparative Efficiency of the Krupp,
                                  Armstrong, and Schneider--Canet Guns . . 338--338
                      Aug Right   Coherers . . . . . . . . . . . . . . . . 339--339
                      Anonymous   Science Notes  . . . . . . . . . . . . . 339--339
                      Anonymous   Artificial Lightning . . . . . . . . . . 340--340
       Charles Frederick Holder   Fighting Fire with Wine  . . . . . . . . 340--340
                      Anonymous   A New Bicycle Handle-Bar . . . . . . . . 341--341
                 Waldon Fawcett   Handling Anthracite Coal . . . . . . . . 341--342
                      Anonymous   Liquid Air Automobile  . . . . . . . . . 343--343
                      Anonymous   The Making of Pictures in Wood . . . . . 344--344
                      Anonymous   The New Armored Cruisers of the
                                  ``California'' and ``Maryland'' Types    344--345
                      Anonymous   The Pollak Prize for Life-Saving Devices 345--346
                      Anonymous   Electric Clock Run by Earth Plates . . . 346--347
        
                      Anonymous   Recently Patented Inventions . . . . . . 363--364
                      Anonymous   Business and Personal  . . . . . . . . . 364--364
                      Anonymous   Notes and Queries  . . . . . . . . . . . 364--364
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 364--364
                      Anonymous   Index of Inventions  . . . . . . . . . . 364--364
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 367--367
                      Anonymous   The Patent and Trade Mark Commission
                                  Agree on a Bill  . . . . . . . . . . . . 354--354
                      Anonymous   Fireproof Dock Construction  . . . . . . 354--354
                      Anonymous   Congress and the Isthmian Canal  . . . . 354--354
                      Anonymous   The Chief Constructor of the United
                                  States Navy  . . . . . . . . . . . . . . 354--355
                      Anonymous   International Congress of Railways at
                                  Paris  . . . . . . . . . . . . . . . . . 355--355
                      Anonymous   Registration of United States Patents
                                  and Trade Marks in Cuba  . . . . . . . . 355--355
                      Anonymous   Letters from Peary . . . . . . . . . . . 355--355
                      Anonymous   Failure of the Display of Leonids  . . . 355--355
                      Anonymous   Sugar Inventions Wanted  . . . . . . . . 355--355
                      Anonymous   The Brunt Improved Regulating
                                  Incandescent-Lamp Socket . . . . . . . . 356--356
                      Anonymous   A Novel Electro-Magnetic Brake for
                                  Street Cars  . . . . . . . . . . . . . . 356--356
                      Anonymous   American Coal Briquettes . . . . . . . . 356--357
                      Anonymous   The Serpollet Steam Automobile . . . . . 357--358
                      Anonymous   The First-Class Battleship ``Wisconsin'' 358--359
                      Anonymous   Bird's-Eye View of the Pan-American
                                  Exposition . . . . . . . . . . . . . . . 361--361
                      Anonymous   Separation of the Brazilian
                                  Thoraco-Xiphopagous Twins  . . . . . . . 361--362
              George M. Hopkins   III. Simple Electric Motor . . . . . . . 362--363
        
                      Anonymous   Recently Patented Inventions . . . . . . 379--379
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 379--379
                      Anonymous   Business and Personal  . . . . . . . . . 380--380
                      Anonymous   Notes and Queries  . . . . . . . . . . . 380--380
                      Anonymous   Index of Inventions  . . . . . . . . . . 380--382
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 382--382
                      Anonymous   Report of the Isthmian Canal Commission  370--370
                      Anonymous   The Relative Cost of Steamship
                                  Construction in Europe and America . . . 370--370
                      Anonymous   Report of the Commission on Patents and
                                  Trade Marks  . . . . . . . . . . . . . . 370--371
                      Anonymous   Shooting at the Clouds . . . . . . . . . 371--371
                      Anonymous   Alcohol as a Fuel for Motor Carriages    371--371
                      Anonymous   The Direct Combination of Alumina and
                                  Oxide of Calcium in the Electric Furnace 371--371
                      Anonymous   Electric Tramways in London  . . . . . . 371--371
                      Anonymous   Curious Knot Formation . . . . . . . . . 372--372
                      Anonymous   A Simple Portable Acetylene House-Lamp   372--372
                      Anonymous   New Telephone Meter  . . . . . . . . . . 372--372
                      Anonymous   A Safety Attachment for Water-Gages  . . 373--373
                      Anonymous   Scotte Traction Engine --- Type Shown at
                                  the Paris Exposition . . . . . . . . . . 373--374
                     Henry Hale   Modern Soft-Coal Mining and Handling in
                                  the United States  . . . . . . . . . . . 374--375
                      Anonymous   Electric Freight Conveyers for Loading
                                  and Unloading Vessels  . . . . . . . . . 376--376
                      Anonymous   The New 12-Inch Naval Gun  . . . . . . . 376--377
                      Anonymous   The Third-Rail Equipment of the
                                  Manhattan Elevated Railways  . . . . . . 377--377
              George M. Hopkins   IV. Simple Electric Motor  . . . . . . . 378--378
                      Anonymous   To Inventors . . . . . . . . . . . . . . 380--380
        
                      Anonymous   Recently Patented Inventions . . . . . . 396--396
                      Anonymous   Business and Personal  . . . . . . . . . 396--396
                      Anonymous   Notes and Queries  . . . . . . . . . . . 396--396
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 396--396
                      Anonymous   Index of Inventions  . . . . . . . . . . 396--399
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 399--399
                      Anonymous   The Metric System in Congress  . . . . . 386--386
                      Anonymous   Boston and the ``America'' Cup . . . . . 386--386
                      Anonymous   Filtration of our Water Supply . . . . . 386--386
                      Anonymous   Imports and Exports of the Countries of
                                  the World Compared . . . . . . . . . . . 386--386
                      Anonymous   Report of the Chief of the Bureau of
                                  Ordnance . . . . . . . . . . . . . . . . 386--386
                      Anonymous   The Greatest Iron Ore Mine in the World  386--387
   Charles Minor Blackford, Jr.   Animals that Bloom and Plants that Eat
                                  Meat . . . . . . . . . . . . . . . . . . 387--387
                      Anonymous   The Iron and Steel Institute at Paris    387--387
                      Anonymous   A New Ratchet-Wrench . . . . . . . . . . 388--388
                      Anonymous   Power Scrapers on the St. Lawrence Power
                                  Company's Canal  . . . . . . . . . . . . 388--388
                      Anonymous   The Plecher Electro-Pneumatic Telephone  388--388
                      Anonymous   A Recharging Motor for Electric Vehicles 389--389
                      Anonymous   The Manufacture of Edison Phonograph
                                  Records  . . . . . . . . . . . . . . . . 390--391
                      Anonymous   A Novel Wind or Water Motor  . . . . . . 391--391
                      Anonymous   The Roze Dirigible Airship . . . . . . . 392--392
                 W. E. Robinson   Disappearing Demon . . . . . . . . . . . 393--393
                      Anonymous   The Protected Cruisers of the ``St.
                                  Louis'' Class  . . . . . . . . . . . . . 393--394
              Charles F. Holder   Armored Burrowers  . . . . . . . . . . . 394--394
              George M. Hopkins   V. An Inexpensive Water Motor  . . . . . 395--395
                      Anonymous   To Inventors . . . . . . . . . . . . . . 396--396
        
                      Anonymous   Recently Patented Inventions . . . . . . 413--413
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 413--414
                      Anonymous   Business and Personal  . . . . . . . . . 414--414
                      Anonymous   Notes and Queries  . . . . . . . . . . . 414--414
                      Anonymous   Index of Inventions  . . . . . . . . . . 414--419
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 419--419
                 Edward W. Byrn   A Century of Progress in the United
                                  States . . . . . . . . . . . . . . . . . 402--403
                      Anonymous   Ritchie's Telautograph . . . . . . . . . 404--404
                      Anonymous   Some Automobiles Exhibited at the Paris
                                  Exposition . . . . . . . . . . . . . . . 405--405
                      Anonymous   A Rapid Method of Vulcanizing Rubber . . 406--406
                   Jos. Strauss   Unites States Naval Proving Ground,
                                  Indian Head  . . . . . . . . . . . . . . 407--407
                      Anonymous   The Halford Gradient Railway . . . . . . 408--408
                   D. A. Willey   Logging in the Northwest . . . . . . . . 409--410
              George M. Hopkins   VI. A Metallic Thermometer . . . . . . . 411--411
       Charles Frederick Holder   Some Curious Sculpins  . . . . . . . . . 411--412
                      Anonymous   Some Recently Patented Novelties . . . . 412--412
                      Anonymous   To Inventors . . . . . . . . . . . . . . 414--414
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 44--44
                      Anonymous   Recently Patented Inventions . . . . . . 44--45
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 45--45
                      Anonymous   Business and Personal  . . . . . . . . . 45--45
                      Anonymous   Notes and Queries  . . . . . . . . . . . 45--45
                      Anonymous   Index of Inventions  . . . . . . . . . . 45--45
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 47--47
                      Anonymous   American Engineering Competition . . . . 34--34
                      Anonymous   Our Battleships in the Light of the
                                  ``Belleisle'' Experiment . . . . . . . . 34--34
                      Anonymous   The ``Deutschland''  . . . . . . . . . . 34--34
                      Anonymous   Pressed Steel Cars . . . . . . . . . . . 35--35
                      Anonymous   French Congo Region  . . . . . . . . . . 35--35
                      Anonymous   Anti-Alcohol Serum in France . . . . . . 35--35
                      Anonymous   Paris Exposition Notes . . . . . . . . . 35--35
                      Anonymous   Canet Gun with Gas-Recoil-Check  . . . . 36--36
                      Anonymous   A Fireproof Shutter  . . . . . . . . . . 36--36
                      Anonymous   A New Steam Turbine  . . . . . . . . . . 36--36
                      Anonymous   China and the Chinese  . . . . . . . . . 37--38
                      Anonymous   Riverside Drive Viaduct, New York  . . . 38--39
                      Anonymous   London's New Underground Electric
                                  Railway  . . . . . . . . . . . . . . . . 40--40
                      Anonymous   Attack on the Coast-Defense Ship
                                  ``Belleisle''  . . . . . . . . . . . . . 41--42
                      Anonymous   An Improved Marking-Gage . . . . . . . . 42--42
                      Anonymous   The Statue of Lafayette at Paris . . . . 43--43
                      Anonymous   A Springless Harness Snap-Hook . . . . . 43--43
        
                      Anonymous   Recently Patented Inventions . . . . . . 60--61
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 61--61
                      Anonymous   Business and Personal  . . . . . . . . . 61--61
                      Anonymous   Notes and Queries  . . . . . . . . . . . 61--61
                      Anonymous   Index of Inventions  . . . . . . . . . . 61--61
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 63--63
                      Anonymous   Fireproofing Wood  . . . . . . . . . . . 49--49
                      Anonymous   The End-of the-Century Steamship . . . . 50--50
                      Anonymous   Our Vast Railway System  . . . . . . . . 50--50
                      Anonymous   Increase of our Navy Since the Spanish
                                  War  . . . . . . . . . . . . . . . . . . 50--51
           Henry Norris Russell   The Heavens in August  . . . . . . . . . 51--51
                      Anonymous   An International Exhibition and
                                  Race-Meet at Chicago . . . . . . . . . . 51--51
                      Anonymous   A Large Water Rolling Mill . . . . . . . 52--52
                      Anonymous   Accident to the Torpedo-Boat ``Dupont''  52--52
                John Trowbridge   The Electrical Plant of the Jefferson
                                  Physical Laboratory  . . . . . . . . . . 53--54
                      Anonymous   An Ingenious Calculator  . . . . . . . . 54--54
                      Anonymous   A Yacht that Sails itself  . . . . . . . 56--56
                      Anonymous   Locomobile Wrinkles  . . . . . . . . . . 57--57
                  Otis T. Mason   Types of American Indian Basketry  . . . 57--58
                      Anonymous   Through Niagara Whirlpool Rapids in a
                                  Boat . . . . . . . . . . . . . . . . . . 59--60
        
                      Anonymous   Recently Patented Inventions . . . . . . 76--76
                      Anonymous   Business and Personal  . . . . . . . . . 77--77
                      Anonymous   Notes and Queries  . . . . . . . . . . . 77--77
                      Anonymous   Index of Inventions  . . . . . . . . . . 77--79
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 79--79
                      Anonymous   Electrical Equipment of the Park Avenue
                                  Tunnel . . . . . . . . . . . . . . . . . 66--66
                      Anonymous   An Important Patent Suit . . . . . . . . 66--66
                      Anonymous   Rail-Joints and Street Noises  . . . . . 66--66
                      Anonymous   Resources and Improvements in China  . . 66--67
                      Anonymous   The New Agriculture of the Tropics . . . 67--67
                      Anonymous   Indican  . . . . . . . . . . . . . . . . 67--67
                      Anonymous   As Others See Us . . . . . . . . . . . . 67--67
                      Anonymous   The Preservation of Wild Animals of
                                  Africa . . . . . . . . . . . . . . . . . 67--67
                      Anonymous   The Queen--Schultz Chronoscope . . . . . 68--68
                      Anonymous   Artillery Practice of the National Guard 68--69
                      Anonymous   The Hone Automatic Flood-Gate  . . . . . 69--69
                      Anonymous   A Perforator for Printing Presses  . . . 69--69
                      Anonymous   An Improved Packing  . . . . . . . . . . 69--70
                      Anonymous   A Convenient form of Sash-Weight . . . . 70--70
                 Benjamin Sharp   The Guardian of the Oyster . . . . . . . 71--71
                      Anonymous   The Hamburg--American Liner
                                  ``Deutschland''  . . . . . . . . . . . . 72--72
                     F. P. Mann   The Power Generating Plant at the Paris
                                  Exposition . . . . . . . . . . . . . . . 73--74
                      Anonymous   Clever Feat with the Camera  . . . . . . 75--75
                      Anonymous   A Musical Bicycle  . . . . . . . . . . . 75--76
                      Anonymous   To Inventors . . . . . . . . . . . . . . 77--77
        
                      Anonymous   Recently Patented Inventions . . . . . . 93--93
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 93--93
                      Anonymous   Business and Personal  . . . . . . . . . 93--93
                      Anonymous   Notes and Queries  . . . . . . . . . . . 93--93
                      Anonymous   Index of Inventions  . . . . . . . . . . 93--95
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 95--95
                      Anonymous   The Protection of American Game  . . . . 82--82
                      Anonymous   High Speed in War Vessels --- The
                                  ``Variag'' and the ``Viper'' . . . . . . 82--82
                      Anonymous   American Engineering Competition . . . . 82--83
                 Alton D. Adams   Petroleum Fuel for Warships  . . . . . . 83--83
                      Anonymous   Operation on the Xiphopages  . . . . . . 83--83
                      Anonymous   A Novel Engine for Die-Sinker's Use  . . 84--84
               Howard B. Dailey   Electrical Top and Motor . . . . . . . . 84--84
                   H. A. Crafts   Water Measurement and Manipulation in
                                  Colorado . . . . . . . . . . . . . . . . 85--85
                      Anonymous   The Paris Exposition . . . . . . . . . . 86--87
                      Anonymous   The Ascension of Count Zeppelin's
                                  Airship  . . . . . . . . . . . . . . . . 88--88
                      Anonymous   Underground Electric Railway, London ---
                                  Methods of Construction  . . . . . . . . 89--90
                D. Allen Willey   The Petrified Forest of Arizona  . . . . 91--91
                      Anonymous   Recent Experiments with the Radiations
                                  of Polonium and Radium . . . . . . . . . 92--92
                      Anonymous   To Inventors . . . . . . . . . . . . . . 93--93
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 102--102
                      Anonymous   Recently Patented Inventions . . . . . . 108--109
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 109--109
                      Anonymous   Business and Personal  . . . . . . . . . 109--109
                      Anonymous   Notes and Queries  . . . . . . . . . . . 109--109
                      Anonymous   Index of Inventions  . . . . . . . . . . 109--111
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 111--111
                      Anonymous   Economies of Superheated Steam in the
                                  Steam Turbine  . . . . . . . . . . . . . 98--98
                      Anonymous   Tool Steel at the Bethlehem Steel Works  98--98
                      Anonymous   Chinese Artillery and the Present Crisis 98--98
                      Anonymous   A Suggestion as to Street Signs  . . . . 98--98
                      Anonymous   The Leading Railway Systems of the
                                  United States  . . . . . . . . . . . . . 98--98
                      Anonymous   The Entrance to the Mississippi River    98--99
                      Anonymous   Irrigating the Sugar Plantations of
                                  Hawaii . . . . . . . . . . . . . . . . . 99--99
                      Anonymous   New form of Cellulose  . . . . . . . . . 99--99
                      Anonymous   International Mining Congress  . . . . . 99--99
                      Anonymous   Death of De Witt Clinton Haskin  . . . . 99--99
                      Anonymous   Caviar . . . . . . . . . . . . . . . . . 99--99
                      Anonymous   Telegraph Line in Germany  . . . . . . . 99--99
                      Anonymous   A Curious Case of Skin-Shedding  . . . . 100--100
                Alonzo R. Marsh   The Marsh Motor Cycle  . . . . . . . . . 100--101
                      Anonymous   New Form of Electric Automobile  . . . . 101--101
                      Anonymous   The Most Powerful Locomotive Ever Built  101--101
                      Anonymous   The Manufacture of Mechanical Rubber
                                  Goods  . . . . . . . . . . . . . . . . . 102--103
                Edward McGarvey   The Use of Harmonic Vibrations in
                                  Weighing . . . . . . . . . . . . . . . . 104--105
                      Anonymous   Palace of Hungary at the Exposition  . . 105--106
               Cosmos Mindeleff   White Indians of New Mexico  . . . . . . 107--107
              Charles F. Holder   Some Pacific Jellyfishes . . . . . . . . 107--108
                      Anonymous   To Inventors . . . . . . . . . . . . . . 109--109
        
                      Anonymous   Recently Patented Inventions . . . . . . 124--125
                      Anonymous   Business and Personal  . . . . . . . . . 125--125
                      Anonymous   Notes and Queries  . . . . . . . . . . . 125--125
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 125--125
                      Anonymous   Index of Inventions  . . . . . . . . . . 125--127
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 127--127
                      Anonymous   Progress of the New York Rapid Transit
                                  Tunnel . . . . . . . . . . . . . . . . . 114--114
                      Anonymous   High-Lift Locks for the Erie Canal . . . 114--114
                      Anonymous   Recent Armor Plate Bids  . . . . . . . . 114--114
                      Anonymous   Lowering of the Atlantic Record  . . . . 114--114
                      Anonymous   Compressed Air Traction in New York City 114--115
                 Alton D. Adams   Limits of Electric Transmission  . . . . 115--115
                      Anonymous   The Chemistry of Soot  . . . . . . . . . 115--115
                      Anonymous   Paris Exposition Notes . . . . . . . . . 115--115
                      Anonymous   Experiments with X-Rays in Electrostatic
                                  Field  . . . . . . . . . . . . . . . . . 115--115
                      Anonymous   Super-Heated Water Motor for Railroad
                                  Traction . . . . . . . . . . . . . . . . 116--117
                 Waldon Fawcett   Problems of the Chinese Campaign . . . . 117--118
                      Anonymous   Some Stage Effects in ``Ben Hur''  . . . 119--119
                      Anonymous   The Paris Metropolitan Underground
                                  Railroad . . . . . . . . . . . . . . . . 120--l21
                      Anonymous   The Howell Disappearing Carriage . . . . 121--122
                      Anonymous   A Simple Rotary Pump for Light Service   122--122
                      Anonymous   Gathering and Curing Crude Rubber  . . . 123--124
                      Anonymous   To Inventors . . . . . . . . . . . . . . 125--125
        
           Henry Norris Russell   The Heavens in September . . . . . . . . 131--131
                      Anonymous   Correspondence . . . . . . . . . . . . . 134--134
                      Anonymous   Recently Patented Inventions . . . . . . 140--140
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 140--140
                      Anonymous   Business and Personal  . . . . . . . . . 140--140
                      Anonymous   Notes and Queries  . . . . . . . . . . . 140--141
                      Anonymous   Index of Inventions  . . . . . . . . . . 141--143
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 143--143
                      Anonymous   Air Resistance to Moving Bodies  . . . . 130--130
                      Anonymous   The Element of Safety in Smokeless
                                  Powder . . . . . . . . . . . . . . . . . 130--130
                      Anonymous   A New Gas Battery  . . . . . . . . . . . 130--130
                      Anonymous   An Interesting Clock . . . . . . . . . . 130--130
                      Anonymous   Inquiry Concerning Water Tube Boilers    130--130
                      Anonymous   Polyglot China . . . . . . . . . . . . . 131--131
                      Anonymous   The Death of Prof. J. E. Keeler  . . . . 131--131
                      Anonymous   Awards at the Paris Exposition . . . . . 131--131
                      Anonymous   Locomotive Snow Plows in Europe  . . . . 132--132
                      Anonymous   The Silk-Producing Spider of Madagascar  133--133
                      Anonymous   First Class Battleship ``Kentucky''  . . 134--135
                      Anonymous   Salvage of the ``Oregon''  . . . . . . . 136--136
                      Anonymous   The Brooks Comet . . . . . . . . . . . . 136--136
                      Anonymous   Paris Exposition --- Interior of the
                                  Petit Palais . . . . . . . . . . . . . . 137--137
                      Anonymous   Nernst Lamp at the Exposition  . . . . . 138--139
                      Anonymous   Lumber Rafts on the Columbia River . . . 139--139
                      Anonymous   To Inventors . . . . . . . . . . . . . . 141--141
        
                      Anonymous   Recently Patented Inventions . . . . . . 12--12
                      Anonymous   Business and Personal  . . . . . . . . . 13--13
                      Anonymous   Notes and Queries  . . . . . . . . . . . 13--13
                      Anonymous   Index of Inventions  . . . . . . . . . . 13--13
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 15--15
                      Anonymous   California Raisin Culture  . . . . . . . 3--3
                      Anonymous   Retrospect of the Year 1900  . . . . . . 4--5
                      Anonymous   A Pyrotechnic Fire-Alarm . . . . . . . . 6--6
                      Anonymous   Method of Constructing Wooden Water-Pipe 6--6
                      Anonymous   A Wonderful Clock  . . . . . . . . . . . 7--7
                  W. C. Peckham   A New Induction Coil . . . . . . . . . . 7--7
                      Anonymous   Some Interesting Experiments in
                                  Dirigible Airships . . . . . . . . . . . 10--10
                      Anonymous   The French Armored Cruiser ``Montcalm''  10--10
                      Anonymous   A Safety Military Spy-Glass  . . . . . . 10--11
                Marcus Benjamin   The Bolometer or Actinic Balance . . . . 11--12
        
                      Anonymous   Recently Patented Inventions . . . . . . 155--155
                      Anonymous   Notes and Queries  . . . . . . . . . . . 155--156
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--156
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 159--159
                      Anonymous   The New Star in Perseus  . . . . . . . . 146--146
                      Anonymous   An Important Telephone Patent Decision   146--146
                      Anonymous   The Slaby System of Wireless Duplex
                                  Telegraphy . . . . . . . . . . . . . . . 146--147
                      Anonymous   A Triumph of Ingenuity and a Patent with
                                  a History  . . . . . . . . . . . . . . . 147--147
                      Anonymous   A New Permanent Phonograph Record  . . . 147--147
                      Anonymous   The Pollok Memorial Prize  . . . . . . . 147--147
                      Anonymous   An Improved Gasoline Automobile  . . . . 148--148
                      Anonymous   San Gimignano and Its Towers . . . . . . 148--148
              Charles P. Holder   Trees and Plants of Southern California  149--149
                      Anonymous   The Paige Typesetting Machine  . . . . . 150--151
                      Anonymous   The Slaby System of Wave-Selective
                                  Wireless Duplex Telegraphy . . . . . . . 152--153
               W. Frank M'Clure   Automatic Ore Unloader . . . . . . . . . 153--154
                      Anonymous   A Pail for Live Bait . . . . . . . . . . 154--154
                      Anonymous   A Valve Motion for Small High-Pressure
                                  Pumps  . . . . . . . . . . . . . . . . . 154--154
                      Anonymous   A New Book or Copy Holder for
                                  Typewriters  . . . . . . . . . . . . . . 154--154
                      Anonymous   Business and Personal Wants  . . . . . . 155--155
        
                      Anonymous   Recently Patented Inventions . . . . . . 171--171
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 171--171
                      Anonymous   Notes and Queries  . . . . . . . . . . . 172--173
                      Anonymous   Index of Inventions  . . . . . . . . . . 173--173
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 175--175
                      Anonymous   The Proposed Naval Memorial Arch . . . . 162--162
                      Anonymous   Vast and Increasing Bulk of the Modern
                                  Steamship  . . . . . . . . . . . . . . . 162--162
                      Anonymous   Decision against the Berliner Microphone
                                  Patent . . . . . . . . . . . . . . . . . 162--162
                      Anonymous   Curiosity and Science  . . . . . . . . . 162--163
                      Anonymous   Eros, the Celestial Range Finder . . . . 163--163
                      Anonymous   The Automobile in the Klondike . . . . . 163--163
                      Anonymous   Experiments with Animal Tissue . . . . . 163--163
                      Anonymous   The Longest Subterranean Telegraph Cable
                                  in the World . . . . . . . . . . . . . . 163--163
                      Anonymous   The Manufacture of Ostrich Feathers  . . 164--164
                      Anonymous   The Old Boonton Forge  . . . . . . . . . 165--165
                      Anonymous   Most Powerful Express Locomotive in the
                                  World  . . . . . . . . . . . . . . . . . 165--166
                      Anonymous   The Pitch Lake and the Asphalt Industry
                                  of Trinidad  . . . . . . . . . . . . . . 166--167
                      Anonymous   Third Rail in the Baltimore Belt Line
                                  Tunnel . . . . . . . . . . . . . . . . . 168--169
              Charles F. Holder   Solar Motors . . . . . . . . . . . . . . 169--170
                      Anonymous   The Fleming Safety Collar for Shafts . . 170--170
                      Anonymous   An Efficient Single-Pull Ceiling-Switch  170--170
                      Anonymous   A Folding Bunk for Cars and Ships  . . . 170--170
                      Anonymous   Business and Personal Wants  . . . . . . 171--171
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 179--179
                      Anonymous   Correspondence . . . . . . . . . . . . . 183--183
                      Anonymous   Recently Patented Inventions . . . . . . 187--187
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 187--187
                      Anonymous   Notes and Queries  . . . . . . . . . . . 188--188
                      Anonymous   Index of Inventions  . . . . . . . . . . 188--188
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 191--191
                      Anonymous   American Engineering Progress  . . . . . 178--178
                      Anonymous   Current of 3,000 Volts at the Motors . . 178--178
                      Anonymous   Construction of the Simplon Tunnel . . . 178--179
                      Anonymous   Three Important Patent Decisions by the
                                  United States Court of Appeals at New
                                  York . . . . . . . . . . . . . . . . . . 179--179
                      Anonymous   The Glasgow Exhibition of 1901 . . . . . 179--179
                      Anonymous   Resignation of Commissioner Duell  . . . 179--179
                      Anonymous   Production of Phosphorus and Chlorides
                                  of Carbon by Means of Electric Furnaces  180--180
                      Anonymous   The Burry Page-Printing Telegraph  . . . 181--182
                      Anonymous   Transport Service to the Philippines ---
                                  I  . . . . . . . . . . . . . . . . . . . 182--183
                      Anonymous   A Peculiar Railroad Accident . . . . . . 184--184
                J. Carter Beard   Three Characteristic Types of American
                                  Dinosaurs  . . . . . . . . . . . . . . . 184--185
                  J. A. Stewart   The New Street Railway Tunnel under
                                  Boston Harbor  . . . . . . . . . . . . . 185--186
                      Anonymous   A Novel Pipe and Stud Wrench . . . . . . 186--186
                      Anonymous   An Automatic Weighing-Machine for
                                  Liquids  . . . . . . . . . . . . . . . . 186--186
                      Anonymous   Business and Personal Wants  . . . . . . 187--187
        
                      Anonymous   Recently Patented Inventions . . . . . . 203--204
                      Anonymous   Notes and Queries  . . . . . . . . . . . 204--204
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 204--204
                      Anonymous   Index of Inventions  . . . . . . . . . . 204--204
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 207--207
                      Anonymous   The Ganz System and the London Electric
                                  Railways . . . . . . . . . . . . . . . . 194--194
                      Anonymous   Cup-Yacht Designing  . . . . . . . . . . 194--194
                      Anonymous   Yellow Fever . . . . . . . . . . . . . . 194--194
                      Anonymous   New Method of Aerial Telegraphy  . . . . 194--195
                      Anonymous   Builders' Trial of the ``Illinois''  . . 195--195
                      Anonymous   The Patent Office --- Resignation of the
                                  Commissioner of Patents  . . . . . . . . 195--195
                      Anonymous   Russian Army and Marine  . . . . . . . . 195--195
                      Anonymous   The Remains of an Old Indian Village . . 195--195
                      Anonymous   The Mutoscope and Machinery in Motion    196--196
                      Anonymous   The Topophone  . . . . . . . . . . . . . 197--198
                      Anonymous   The International Racing-Yacht
                                  ``Independence'' . . . . . . . . . . . . 198--199
                      Anonymous   A New Method of Manufacturing Steel Pipe 200--201
                      Anonymous   Porter Rotary Engine . . . . . . . . . . 201--201
                      Anonymous   A Novel Self-Heating Sad-Iron  . . . . . 202--202
              Charles F. Holder   A Singular Industry in the Poisonous
                                  Insects of California  . . . . . . . . . 202--203
                      Anonymous   Business and Personal Wants  . . . . . . 204--204
        
           Henry Norris Russell   The Heavens in April . . . . . . . . . . 211--211
                      Anonymous   Correspondence . . . . . . . . . . . . . 215--215
                      Anonymous   Recently Patented Inventions . . . . . . 219--219
                      Anonymous   Notes and Queries  . . . . . . . . . . . 219--219
                      Anonymous   Index of Inventions  . . . . . . . . . . 219--220
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 223--223
                      Anonymous   Prospects of the New Erie Canal  . . . . 210--210
                      Anonymous   Water-Tube Boilers in the British Navy   210--210
                      Anonymous   Longitudinal Framing for the Herreshoff
                                  Cup-Yacht  . . . . . . . . . . . . . . . 210--210
                      Anonymous   Our Advancing Trade  . . . . . . . . . . 210--210
                      Anonymous   Sylviculture and the Suez Canal  . . . . 210--211
                      Anonymous   Automobiles in New York  . . . . . . . . 211--211
                      Anonymous   Method of Detecting Hypo in Photographic
                                  Work . . . . . . . . . . . . . . . . . . 211--211
                      Anonymous   Electrically Illuminated Fountains . . . 212--212
                      Anonymous   The new Russian Battleship
                                  ``Czarevitch'' as she Will Appear When
                                  Completed for Sea  . . . . . . . . . . . 212--213
                      Anonymous   A Sugar Cane Reaper Wanted in Hawaii . . 213--214
                      Anonymous   Training School for New York Streetcar
                                  Motormen . . . . . . . . . . . . . . . . 214--214
                      Anonymous   The Omnigraph --- an Instrument for
                                  Teaching Telegraphy  . . . . . . . . . . 216--216
                      Anonymous   Hydraulic Electric-Car Brake . . . . . . 216--217
              Charles F. Holder   A Remarkable Salt Deposit  . . . . . . . 217--217
                      Anonymous   An Improved Pipe-Wrench  . . . . . . . . 218--218
                      Anonymous   A New Wickless Oil Burner  . . . . . . . 218--218
                      Anonymous   The Wentworth Cotton Gin . . . . . . . . 218--218
                      Anonymous   Business and Personal Wants  . . . . . . 219--219
                      Anonymous   To Inventors . . . . . . . . . . . . . . 219--219
        
                      Anonymous   Recently Patented Inventions . . . . . . 235--235
                      Anonymous   Notes and Queries  . . . . . . . . . . . 235--236
                      Anonymous   Index of Inventions  . . . . . . . . . . 236--236
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 239--239
                      Anonymous   The Brooklyn Rapid Transit Extension . . 226--226
                      Anonymous   A Step Backward  . . . . . . . . . . . . 226--226
                      Anonymous   Lake Vessels for the Atlantic Trade  . . 226--226
                   Mary Proctor   Government Eclipse Expedition  . . . . . 226--227
                      Anonymous   Electrical Protection of the Mails . . . 227--227
                      Anonymous   The New Commissioner of Patents  . . . . 227--227
                      Anonymous   The New York Botanical Garden Museum . . 227--227
                      Anonymous   Launch of the Pacific Mail Liner
                                  ``Korea''  . . . . . . . . . . . . . . . 228--228
                      Anonymous   An Interesting Boiler Explosion  . . . . 228--229
                Arthur B. Weeks   Recent Developments at the Niagara Falls
                                  Power Plant  . . . . . . . . . . . . . . 229--229
                      Anonymous   Rodney Hunt Turbine Plant at the Great
                                  Northern Paper Company's Mill  . . . . . 230--231
                      Anonymous   Balloons at Vincennes  . . . . . . . . . 232--232
                      Anonymous   A New Pile Driver  . . . . . . . . . . . 232--233
                      Anonymous   Fifteen Years' Development of the
                                  90-Foot Racing Yacht . . . . . . . . . . 233--234
                      Anonymous   An Improvement in Lubricators  . . . . . 234--234
                      Anonymous   Business and Personal Wants  . . . . . . 235--235
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 243--243
                      Anonymous   Correspondence . . . . . . . . . . . . . 247--247
                      Anonymous   Recently Patented Inventions . . . . . . 251--251
                      Anonymous   Business and Personal Wants  . . . . . . 251--252
                      Anonymous   Notes and Queries  . . . . . . . . . . . 252--252
                      Anonymous   Index of Inventions  . . . . . . . . . . 252--252
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 253--253
                      Anonymous   The Erie Canal Muddle  . . . . . . . . . 242--242
                      Anonymous   Application of the Coherer to Detection
                                  of Storms  . . . . . . . . . . . . . . . 242--242
                      Anonymous   Improved Process of Duplicating
                                  Phonograph Records . . . . . . . . . . . 242--242
                      Anonymous   New Products in the Glass Industry . . . 242--242
                      Anonymous   New Chemical Compounds . . . . . . . . . 242--243
                      Anonymous   Local Conditions Favorable to the Cotton
                                  Industry of the South  . . . . . . . . . 243--243
                      Anonymous   A Moving Grazing Pen . . . . . . . . . . 244--244
                      Anonymous   Stern-Wheel Steamers on the Mississippi
                                  River  . . . . . . . . . . . . . . . . . 244--244
             William C. Peckham   The Present State of X-Ray Work  . . . . 245--245
               Howard B. Dailey   Electrical Gyroscopes  . . . . . . . . . 245--246
                      Anonymous   Construction of the New East River
                                  Bridge . . . . . . . . . . . . . . . . . 246--247
                 Waldon Fawcett   Modern British Ordnance  . . . . . . . . 248--249
                  J. H. Collins   Making Large Plaster Casts . . . . . . . 249--250
                      Anonymous   A Novel Haystacker and Derrick . . . . . 250--250
                      Anonymous   A Pen with Increased Ink Capacity  . . . 250--250
                      Anonymous   A Completely Inclosed Arc Lamp of Small
                                  Size . . . . . . . . . . . . . . . . . . 250--250
                      Anonymous   A Machine for Cleaning Blackboard
                                  Erasers  . . . . . . . . . . . . . . . . 250--250
        
                      Anonymous   Recently Patented Inventions . . . . . . 267--268
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 268--268
                      Anonymous   Notes and Queries  . . . . . . . . . . . 268--268
                      Anonymous   Index of Inventions  . . . . . . . . . . 268--268
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 271--271
                      Anonymous   The Locomotive of the Future --- a
                                  Suggestion . . . . . . . . . . . . . . . 258--258
                      Anonymous   Behr on his High-Speed Monorail System   258--258
                      Anonymous   Submarines for the British Navy  . . . . 258--259
                Marcus Benjamin   The National Academy of Sciences . . . . 259--259
                      Anonymous   The Ordnance Board's Test of Thorite . . 259--259
                      Anonymous   Death of Prof. Henry A. Rowland  . . . . 259--259
                      Anonymous   Death of Richard P. Rothwell . . . . . . 259--259
                      Anonymous   A New Weather Cannon . . . . . . . . . . 260--260
                 Will. B. Stout   How to Make a Gramophone . . . . . . . . 260--260
                      Anonymous   Parsons 1,000-K. W. Turbine and
                                  Alternator . . . . . . . . . . . . . . . 260--261
                      Anonymous   Raising A Submerged Steamship  . . . . . 261--261
                      Anonymous   Army Transport Service in the
                                  Philippines --- II . . . . . . . . . . . 262--263
                      Anonymous   An Improved Plow . . . . . . . . . . . . 263--263
                      Anonymous   An Automatic Boiler-Feeder . . . . . . . 263--263
                      Anonymous   A Wheat Hospital on Lake Superior  . . . 264--264
                J. Carter Beard   Some New Features in Ant Life  . . . . . 265--266
                      Anonymous   The Cooper Hewitt Lamp . . . . . . . . . 266--267
                      Anonymous   Business and Personal Wants  . . . . . . 268--268
        
           Henry Norris Russell   The Heavens in May . . . . . . . . . . . 279--279
                      Anonymous   Recently Patented Inventions . . . . . . 283--283
                      Anonymous   Notes and Queries  . . . . . . . . . . . 283--284
                      Anonymous   Index of Inventions  . . . . . . . . . . 284--284
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 287--287
                      Anonymous   The North River Bridge Bill  . . . . . . 274--274
                      Anonymous   Rerolling Old Steel Rails  . . . . . . . 274--274
                      Anonymous   Nitro Cellulose vs Nitroglycerine
                                  Smokeless Powders  . . . . . . . . . . . 274--274
                      Anonymous   The Smithsonian Report . . . . . . . . . 274--275
                      Anonymous   The Baldwin--Ziegler Expedition to Franz
                                  Josef Land . . . . . . . . . . . . . . . 275--275
                      Anonymous   The New Assistant Commissioner of
                                  Patents  . . . . . . . . . . . . . . . . 275--275
                      Anonymous   Opening of the Pan-American Exposition   275--275
                      Anonymous   A Perpetual Motion Clock . . . . . . . . 276--276
                      Anonymous   Launch of the White Star Liner
                                  ``Celtic'' . . . . . . . . . . . . . . . 276--277
                      Anonymous   The Murray Page-Printing Telegraph . . . 277--278
                      Anonymous   The Nile Irrigation Works  . . . . . . . 279--279
                      Anonymous   Turkish Submarine Boat of the
                                  Nordenfeldt Type . . . . . . . . . . . . 280--280
                      Anonymous   Siberia in the Glacial Age . . . . . . . 280--281
                      Anonymous   Hofman's Flying Machine  . . . . . . . . 281--281
                      Anonymous   A Simple Car Mover . . . . . . . . . . . 282--282
                      Anonymous   Combination Metal and Wood-Working
                                  Machine  . . . . . . . . . . . . . . . . 282--282
                      Anonymous   A Novel Fifth-Wheel  . . . . . . . . . . 282--282
                      Anonymous   Business and Personal Wants  . . . . . . 283--283
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 291--291
                      Anonymous   Correspondence . . . . . . . . . . . . . 294--294
                      Anonymous   Recently Patented Inventions . . . . . . 299--299
                      Anonymous   Notes and Queries  . . . . . . . . . . . 299--300
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 300--300
                      Anonymous   Index of Inventions  . . . . . . . . . . 300--300
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 303--303
                      Anonymous   Chicago Drainage Canal Complications . . 290--290
                      Anonymous   Liquid Air as A Blasting Agent . . . . . 290--290
                      Anonymous   Train Brake Results of High Speed  . . . 290--290
                      Anonymous   Waterways and Canals of Canada . . . . . 290--290
                      Anonymous   Transportation of Trains on Lake Baikal  290--290
                      Anonymous   Thorium Compounds  . . . . . . . . . . . 290--291
                      Anonymous   Some Figures of the First Cost and
                                  Operation of Southern Cotton Mills . . . 291--291
                      Anonymous   A Tool for Driving Screw-Eyes  . . . . . 292--292
                      Anonymous   Automatic Frost Valve for Water-Pipes    292--292
                      Anonymous   A New Igniter for Explosion-Engines  . . 292--292
                      Anonymous   The Launch of ``Shamrock II''  . . . . . 293--293
                      Anonymous   Construction of the Yacht
                                  ``Constitution'' . . . . . . . . . . . . 295--295
                Parker Simonsen   How to Make an Iron Rose . . . . . . . . 296--296
                      Anonymous   A Disappearing Town  . . . . . . . . . . 296--297
               Cosmos Mindeleff   A Cliff-Dwelling Park in Colorado  . . . 297--298
                  S Frank Aaron   The Bean Weevils . . . . . . . . . . . . 298--298
                      Anonymous   Business and personal Wants  . . . . . . 299--299
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 26--27
                      Anonymous   Recently Patented Inventions . . . . . . 28--28
                      Anonymous   Business and Personal  . . . . . . . . . 28--28
                      Anonymous   Notes and Queries  . . . . . . . . . . . 28--28
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 28--28
                      Anonymous   Index of Inventions  . . . . . . . . . . 28--28
                      Anonymous   The Efficiency of the Steam Turbine  . . 18--18
                      Anonymous   The Ship-Subsidy Bill  . . . . . . . . . 18--18
                Edmund O. Hovey   The Thirteenth Annual Meeting of the
                                  Geological Society of America  . . . . . 19--19
                      Anonymous   Proposed Improvements at the Sault Ste.
                                  Marie Canal  . . . . . . . . . . . . . . 19--19
                      Anonymous   Moving Picture Litigation  . . . . . . . 19--19
                      Anonymous   Death of Lord Armstrong  . . . . . . . . 19--19
                      Anonymous   A New Quick-Firing Gun . . . . . . . . . 20--20
                      Anonymous   Irrigation in the Hawaiian Islands . . . 20--21
                      Anonymous   The Zodel Flexible Coupling  . . . . . . 21--21
                      Anonymous   A Simple Method of Broaching Brasses and
                                  Bearings . . . . . . . . . . . . . . . . 21--21
                      Anonymous   The Building and Repairing of Tall
                                  Chimneys . . . . . . . . . . . . . . . . 21--22
                      Anonymous   A Large Lathe for Turning Granite
                                  Columns  . . . . . . . . . . . . . . . . 22--23
                   D. A. Willey   Curious Effects of Boiler Explosions . . 24--25
                      Anonymous   Dredges for the New 40-Foot Channels of
                                  New York Harbor  . . . . . . . . . . . . 25--26
                      Anonymous   Three Recently Patented Novelties  . . . 27--27
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 307--307
                      Anonymous   Recently Patented Inventions . . . . . . 315--315
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 315--315
                      Anonymous   Notes and Queries  . . . . . . . . . . . 316--316
                      Anonymous   Index of Inventions  . . . . . . . . . . 316--316
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 319--319
                      Anonymous   The Existence of Bodies Smaller than
                                  Atoms --- The Corpuscular Hypothesis . . 306--306
                      Anonymous   Proposed Abolition of the Army Transport
                                  Service on the Atlantic  . . . . . . . . 306--306
                      Anonymous   A New Type of Coast Defense Gun  . . . . 306--306
                      Anonymous   ``Shamrock'' and ``Constitution''  . . . 306--306
                      Anonymous   New Electric Traction Systems in Europe  306--307
                      Anonymous   Variability in Light of Eros . . . . . . 307--307
                     Enos Brown   Cultivation of Rubber in Mexico  . . . . 307--307
                      Anonymous   An Attachment for Trolley Poles  . . . . 308--308
               Ralph C. Davison   A Concrete Chimney . . . . . . . . . . . 308--308
                      Anonymous   A New Ice-Conveying Apparatus  . . . . . 308--308
                 Waldon Fawcett   The Tobacco Industry . . . . . . . . . . 309--310
                      Anonymous   New Gas Battery  . . . . . . . . . . . . 310--310
                      Anonymous   Manufacture of Plate Glass . . . . . . . 311--311
                Alfred G. Mayer   The Mastodon at the Brooklyn Institute
                                  Museum . . . . . . . . . . . . . . . . . 312--312
                      Anonymous   Launch of the ``Constitution'' . . . . . 312--313
                  Emil Gathmann   Gathmann 18-Inch Torpedo Gun . . . . . . 313--314
                      Anonymous   Malaria and its Prevention . . . . . . . 314--314
                      Anonymous   Business and Personal Wants  . . . . . . 316--316
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 323--323
                      Anonymous   Recently Patented Inventions . . . . . . 331--331
                      Anonymous   Notes and Queries  . . . . . . . . . . . 331--332
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 335--335
                      Anonymous   Pipe Galleries for the Rapid Transit
                                  Subway . . . . . . . . . . . . . . . . . 322--322
                      Anonymous   Remarkable Results at Sandy Hook . . . . 322--322
                      Anonymous   The Growth of London and New York  . . . 322--322
                      Anonymous   Forestry in India and Canada . . . . . . 322--322
                      Anonymous   New Process for Plaster of Paris . . . . 322--323
       Charles Frederick Holder   Wild Animals in Winter . . . . . . . . . 323--323
                      Anonymous   New Trans-Pacific Cable  . . . . . . . . 323--323
                      Anonymous   Russian Bayonet Exercises  . . . . . . . 324--324
                      Anonymous   The Popoff--Ducretet Apparatus for
                                  Wireless Telegraphy  . . . . . . . . . . 324--324
                      Anonymous   A Hydraulic Bicycle Joint  . . . . . . . 324--325
                      Anonymous   Government Tests of Maximite at Sandy
                                  Hook . . . . . . . . . . . . . . . . . . 325--326
                      Anonymous   Some Features of the New York Rapid
                                  Transit Tunnel . . . . . . . . . . . . . 327--327
                      Anonymous   An Ice Fountain  . . . . . . . . . . . . 328--328
                      Anonymous   The ``Shamrock'' Under Sail  . . . . . . 328--328
                   W. F. Watson   The Amateur in Photomicrography  . . . . 329--329
                N. Hudson Moore   An Interesting Insect --- \em
                                  Thyridopteryx Ephemeræformis  . . . . . . 330--330
                      Anonymous   Business and Personal Wants  . . . . . . 331--331
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 339--339
                      Anonymous   Recently Patented Inventions . . . . . . 347--347
                      Anonymous   Notes and Queries  . . . . . . . . . . . 347--347
                      Anonymous   Index of Inventions  . . . . . . . . . . 347--351
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 351--351
                      Anonymous   The New Edison Storage Battery . . . . . 338--338
                      Anonymous   Last of the Cable Systems in New York    338--338
                      Anonymous   Opening of the Pan-American Exposition   338--339
                      Anonymous   High-Class Work at our Navy Yards  . . . 339--339
                      Anonymous   The ``Factor of Safety'' in ``Shamrock'' 339--339
                      Anonymous   The Heavens in June  . . . . . . . . . . 339--339
                      Anonymous   Double-Track Railway Viaduct Over the
                                  Des Moines River . . . . . . . . . . . . 340--340
                      Anonymous   The United States Experimental Model
                                  Basin  . . . . . . . . . . . . . . . . . 341--341
                      Anonymous   Jerome Park Reservoir  . . . . . . . . . 342--343
                     Enos Brown   Pine Needles Industry in Oregon  . . . . 344--344
                      Anonymous   Alcohol as Fuel for Motor Carriages  . . 344--344
                      Anonymous   Removing the Disabled 65-Ton Gun of the
                                  ``Kearsarge''  . . . . . . . . . . . . . 345--346
                      Anonymous   The Experiments of M.Curie . . . . . . . 346--346
                      Anonymous   A Portable Mortising Machine . . . . . . 346--346
                      Anonymous   Business and personal wants  . . . . . . 347--347
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 358--358
                      Anonymous   Recently Patented Inventions . . . . . . 363--363
                      Anonymous   Notes and Queries  . . . . . . . . . . . 364--364
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 364--364
                      Anonymous   Index of Inventions  . . . . . . . . . . 364--364
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 367--367
                      Anonymous   The Canadian Route from the Great Lakes  354--354
                      Anonymous   Hydraulic System of Air Compression  . . 354--354
                      Anonymous   Comparative Efficiency of Krupp and
                                  Other High-Power Guns  . . . . . . . . . 354--354
                      Anonymous   Growth of the Tinfoil Industry . . . . . 354--355
                      Anonymous   Methods Proposed for Dealing with
                                  London's Congested Traffic . . . . . . . 355--355
                      Anonymous   Wireless Telegraphy for the Prevention
                                  of Shipping Disasters  . . . . . . . . . 355--355
                 Waldon Fawcett   Copper Mining in America . . . . . . . . 356--357
                      Anonymous   Electric Automobile --- Krieger System   357--357
                      Anonymous   A New Flying Machine . . . . . . . . . . 357--357
                Frank C. Daniel   A Whistling Arc  . . . . . . . . . . . . 358--358
                      Anonymous   Launch of the Battleship ``Ohio''  . . . 359--359
                      Anonymous   The Cultivation of Cocoa in the West
                                  India Islands  . . . . . . . . . . . . . 360--360
                      Anonymous   The Pan-American Exposition  . . . . . . 360--362
                      Anonymous   A Pneumatic Spring for Vehicles  . . . . 362--362
                      Anonymous   A New Metal Railway Tie  . . . . . . . . 362--362
                      Anonymous   A Supplemental Seat for Vehicles . . . . 362--362
                      Anonymous   Business and Personal Wants  . . . . . . 363--364
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 371--371
                      Anonymous   Correspondence . . . . . . . . . . . . . 375--375
                      Anonymous   Recently Patented Inventions . . . . . . 379--379
                      Anonymous   Notes and Queries  . . . . . . . . . . . 380--380
                      Anonymous   Index of Inventions  . . . . . . . . . . 380--380
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 383--383
                      Anonymous   The Greatest of Power Stations . . . . . 370--370
                      Anonymous   A Costly Equipment . . . . . . . . . . . 370--370
                      Anonymous   Rapid Transit Tunnel to Brooklyn Assured 370--370
                      Anonymous   The Wave Line of the ``Georgia'' . . . . 370--370
                      Anonymous   Germany's Foreign Trade in Machinery . . 370--370
                      Anonymous   Laws of Absorption of X-Rays for
                                  Different Bodies . . . . . . . . . . . . 370--371
                     M. Proctor   Expected Return of Encke's Comet . . . . 371--371
                      Anonymous   The St. Louis Exposition of 1903 . . . . 371--371
                      Anonymous   Twenty-Five Knot Naval Scouts  . . . . . 371--371
                      Anonymous   The Steam Yacht ``Lysistrata'' . . . . . 372--372
                      Anonymous   An Efficient Car-Fender  . . . . . . . . 372--372
                      Anonymous   The Electrograph --- a New Facsimile
                                  Telegraph  . . . . . . . . . . . . . . . 373--374
                      Anonymous   Floor System of the New East River
                                  Bridge . . . . . . . . . . . . . . . . . 374--374
                      Anonymous   A Chinese Telephone System . . . . . . . 376--376
                      Anonymous   The New Edison Storage Battery . . . . . 376--376
                      Anonymous   The New Floating Drydock for the United
                                  States Navy  . . . . . . . . . . . . . . 377--378
                      Anonymous   A Simple Brick-Carrying Device . . . . . 378--378
                      Anonymous   A Self-Measuring Pump for Liquids  . . . 378--378
                      Anonymous   Business and Personal Wants  . . . . . . 380--380
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 387--387
                      Anonymous   Recently Patented Inventions . . . . . . 395--395
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 395--396
                      Anonymous   Notes and Queries  . . . . . . . . . . . 396--397
                      Anonymous   Index of Inventions  . . . . . . . . . . 397--397
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 399--399
                      Anonymous   American Locomotives Abroad  . . . . . . 386--386
                      Anonymous   Protection of Iron Structures  . . . . . 386--386
                      Anonymous   Our Fastest Battleship . . . . . . . . . 386--386
                      Aime Witz   Gas Engines  . . . . . . . . . . . . . . 387--387
                      Anonymous   The Clothing of the Ancient Romans . . . 387--387
                      Anonymous   An Adjustable Power-Hammer . . . . . . . 388--388
                      Anonymous   Launch of the Submarine Torpedo Boat
                                  ``Fulton'' . . . . . . . . . . . . . . . 388--388
                    J. Guenaire   The Form of Mercury Bath --- Experiments
                                  at the Observatory of Paris  . . . . . . 388--389
                      Anonymous   The Three Cup-Yachts of 1901 . . . . . . 389--390
                      Anonymous   Pressed-Steel System of Car Construction 391--391
                      Anonymous   The Stralau--Treptow Tunnel under the
                                  River Spree  . . . . . . . . . . . . . . 392--392
                 Frank D. Adams   Method of Testing Specimens of Marble    393--393
                 S. Frank Aaron   The Life History of an Insect Parasite   394--394
                      Anonymous   Business and Personal Wants  . . . . . . 396--396
                      Anonymous   To Inventors . . . . . . . . . . . . . . 397--397
        
                      Anonymous   The Heavens in July  . . . . . . . . . . 403--403
                      Anonymous   Science Notes  . . . . . . . . . . . . . 403--403
                      Anonymous   Correspondence . . . . . . . . . . . . . 407--407
                      Anonymous   Recently Patented Inventions . . . . . . 411--411
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 411--411
                      Anonymous   Notes and Queries  . . . . . . . . . . . 412--412
                      Anonymous   Index of Inventions  . . . . . . . . . . 412--412
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 415--415
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 417--418
                      Anonymous   Biggest in the World . . . . . . . . . . 402--402
                      Anonymous   Extraordinary Speed in the
                                  Paris--Bordeaux Automobile Race  . . . . 402--402
                      Anonymous   The Lesson of the Recent Ferryboat
                                  Disaster . . . . . . . . . . . . . . . . 402--402
                      Anonymous   The New Clyde Line Steamship ``Apache''  402--402
                      Anonymous   Reconstruction of German Cruisers  . . . 402--403
                      Anonymous   Death of T. C. Clarke  . . . . . . . . . 403--403
                      Anonymous   A Novel House Mail-Box . . . . . . . . . 404--404
                      Anonymous   Curious Docking Accident . . . . . . . . 404--404
                      Anonymous   A Self-Closing Spigot or Faucet  . . . . 404--404
                   F. B. Embree   The Water Supply System of Chicago . . . 405--406
                      Anonymous   Provisioning a Transatlantic Liner . . . 406--406
                      Anonymous   The Ganz Electric Line of Valtellina . . 408--408
                      Anonymous   Method of Utilizing Old Street Cars  . . 409--410
                      Anonymous   Three Recently Patented Novelties  . . . 410--410
                      Anonymous   Business and Personal Wants  . . . . . . 411--412
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 35--35
                      Anonymous   Recently Patented Inventions . . . . . . 43--44
                      Anonymous   Business and Personal  . . . . . . . . . 44--44
                      Anonymous   Notes and Queries  . . . . . . . . . . . 44--44
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 44--45
                      Anonymous   Index of Inventions  . . . . . . . . . . 45--45
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 46--46
                      Anonymous   A Brake that Works . . . . . . . . . . . 34--34
                      Anonymous   Whom the Gods Would Destroy they First
                                  Make Mad . . . . . . . . . . . . . . . . 34--34
                      Anonymous   That Message from Mars . . . . . . . . . 34--34
                      Anonymous   Continental Criticism of the 16-Inch Gun 34--34
                      Anonymous   The Tunneling Craze  . . . . . . . . . . 34--34
                      Anonymous   The Enlargement of the White House,
                                  Washington . . . . . . . . . . . . . . . 34--34
                      Anonymous   Speed Records of the Bicycle for 1900    34--34
                      Anonymous   Transmitting Signals through the Sea . . 34--35
                 George D. Rice   Some of the Singular Foods of the
                                  Filipinos  . . . . . . . . . . . . . . . 35--35
                      Anonymous   An Overhead Hoisting and Carrying Device 36--36
                      Anonymous   Panhard & Levassor Petroleum Locomotive   36--36
              George M. Hopkins   VII. Simple Hygroscope . . . . . . . . . 36--36
                      Anonymous   The Rapid Transit Tunnel . . . . . . . . 37--37
                      Anonymous   The Mirograph  . . . . . . . . . . . . . 37--38
                      Anonymous   An Interesting Group . . . . . . . . . . 38--38
                      Anonymous   Manufacture of Water-Gas at the
                                  Forty-Fourth Street Station New York ---
                                  I  . . . . . . . . . . . . . . . . . . . 39--39
                 Waldon Fawcett   American Car Ferries . . . . . . . . . . 40--41
                      Anonymous   Vaccine Virus --- Its Preparation and
                                  its use  . . . . . . . . . . . . . . . . 41--42
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 51--51
                      Anonymous   Correspondence . . . . . . . . . . . . . 54--54
                      Anonymous   Recently Patented Inventions . . . . . . 59--59
                      Anonymous   Business and Personal  . . . . . . . . . 59--59
                      Anonymous   Notes and Queries  . . . . . . . . . . . 59--60
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 60--60
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 62--62
                      Anonymous   Effect of Forced Draught on Coal
                                  Consumption  . . . . . . . . . . . . . . 50--50
                      Anonymous   The Twentieth Century Sailing Vessel . . 50--50
                      Anonymous   Pupin's Long Distance Telephony  . . . . 50--50
                      Anonymous   The Kress Airship  . . . . . . . . . . . 50--50
                      Anonymous   The International Convention for the
                                  Protection of Industrial Property  . . . 50--51
               Edward S. Holden   Orbits of Revolving Double Stars . . . . 51--51
                      Anonymous   A Prize for Beer-Cooling Mixtures  . . . 51--51
                      Anonymous   A Wonderful Piece of Clockwork . . . . . 52--52
                      Anonymous   A Runner for Vehicles  . . . . . . . . . 52--52
                      Anonymous   The Burton Plastic Pressure Tube
                                  Expander . . . . . . . . . . . . . . . . 52--52
                D. Allen Willey   Irrigation Farming in the Southwest  . . 53--54
               Frank C. Perkins   German Express Locomotive with Auxiliary
                                  Driving Axle . . . . . . . . . . . . . . 55--55
                      Anonymous   An Eight-Mile House Moving . . . . . . . 56--56
                      Anonymous   Train Lighting from the Car Axle . . . . 56--57
                      Anonymous   Recent Gasoline Automobiles  . . . . . . 57--57
                      Anonymous   The Annual Bicycle Show at Madison
                                  Square Garden  . . . . . . . . . . . . . 57--58
                      Anonymous   Electrical Engineers in South Africa . . 58--58
                      Anonymous   A Combined Miner's Candlestick and Tool  58--58
        
           Henry Norris Russell   The Heavens in February  . . . . . . . . 67--67
                      Anonymous   Recently Patented Inventions . . . . . . 76--76
                      Anonymous   Business and Personal  . . . . . . . . . 76--76
                      Anonymous   Notes and Queries  . . . . . . . . . . . 76--77
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 77--77
                      Anonymous   Index of Inventions  . . . . . . . . . . 77--77
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 79--79
                      Anonymous   Victoria . . . . . . . . . . . . . . . . 66--66
                      Anonymous   The Naval Bill . . . . . . . . . . . . . 66--66
                      Anonymous   Yacht Racing and the Towing Tank . . . . 66--66
                      Anonymous   The Importance of Registering Trade
                                  Marks  . . . . . . . . . . . . . . . . . 66--66
                      Anonymous   Electrolytic Preparation of Phosphorus   66--66
                      Anonymous   Tesla's Wireless Light . . . . . . . . . 67--67
                      Anonymous   The Twin-screw Cruising Yacht
                                  ``Prinzessin Victoria-Luise''  . . . . . 67--67
                      Anonymous   A Simple Saw Setting and Gumming Machine 68--68
       Charles Frederick Holder   Famous Basaltic Columns  . . . . . . . . 68--68
                  J. A. Stewart   Unique Elevated-Underground Street
                                  Railway in Boston  . . . . . . . . . . . 69--70
                 Waldon Fawcett   The Steepest Railways in the United
                                  States . . . . . . . . . . . . . . . . . 70--71
                      Anonymous   Death of Prof. Elisha Gray . . . . . . . 72--72
                      Anonymous   A New Flying Machine . . . . . . . . . . 72--72
                      Anonymous   The New York Cycle and Automobile Show   73--73
                Arthur J. Mundy   Submarine Signaling  . . . . . . . . . . 73--74
              George.M. Hopkins   VIII Mercurial Barometer . . . . . . . . 74--74
                      Anonymous   The Beaumont Oil Well  . . . . . . . . . 74--75
                      Anonymous   Press for Preparing Fomentations . . . . 75--75
                      Anonymous   Novel Inventions Recently Patented . . . 75--75
                      Anonymous   Picture Making on the Typewriter . . . . 75--75
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 83--83
                      Anonymous   Correspondence . . . . . . . . . . . . . 87--87
                      Anonymous   Recently Patented Inventions . . . . . . 91--91
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 91--92
                      Anonymous   Business and Personal  . . . . . . . . . 92--92
                      Anonymous   Notes and Queries  . . . . . . . . . . . 92--92
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--92
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 95--95
                      Anonymous   Rail Joints and Street Noises  . . . . . 82--82
                      Anonymous   Pound-Per-Horsepower Economy . . . . . . 82--82
                      Anonymous   Progress of Turbine Propulsion . . . . . 82--82
                      Anonymous   Air Resistance of Railway Trains . . . . 82--82
                      Anonymous   Relative Fighting Efficiency of Warships 82--82
                      Anonymous   Comparative Cost of Prime Movers . . . . 82--83
                      Anonymous   Efficiency in Action . . . . . . . . . . 83--83
                      Anonymous   The Spontaneous Breaking of an Inkwell   84--84
                      Anonymous   The Subway of the City of Berlin . . . . 84--84
                      Anonymous   A Lens Attachment for Lamps  . . . . . . 84--84
                      Anonymous   The Telephone Auto-Commutator  . . . . . 85--86
                      Anonymous   The Hamburg American Yacht ``Prinzessin
                                  Victoria Luise'' . . . . . . . . . . . . 86--86
                      Anonymous   What can be made of Orange Peel  . . . . 88--88
                      Anonymous   The Proposed Widening of London Bridge   88--88
                 Waldon Fawcett   The Canals of Canada . . . . . . . . . . 89--90
                      Anonymous   The Old Cutler's Shop at the Exposition  90--90
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 99--99
                      Anonymous   Correspondence . . . . . . . . . . . . . 103--103
                      Anonymous   Recently Patented Inventions . . . . . . 107--108
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 108--108
                      Anonymous   Notes and Queries  . . . . . . . . . . . 108--109
                      Anonymous   Index of Inventions  . . . . . . . . . . 109--109
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 111--111
                      Anonymous   Superposed Turrets for Our Latest
                                  Battle-Ships . . . . . . . . . . . . . . 98--98
                      Anonymous   An Aluminium Transmission Line . . . . . 98--98
                      Anonymous   A Point in Boiler Construction . . . . . 98--98
                      Anonymous   Vibration from Underground Trains  . . . 98--98
                      Anonymous   The Annual Report of the Commissioner of
                                  Patents  . . . . . . . . . . . . . . . . 98--98
                      Anonymous   England's Long-Deferred Decadence? . . . 98--99
          Isaac Taylor Headland   The Unscientific Character of Chinese
                                  Play . . . . . . . . . . . . . . . . . . 99--99
                      Anonymous   Vanderbilt Locomotive Boiler . . . . . . 100--100
                      Anonymous   A Combination Pipe and Bench Vise  . . . 101--101
                      Anonymous   Steering Torpedoes by Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 101--102
                      Anonymous   Manufacture of Water-Gas at the Forty
                                  Fourth Street Station, New York --- II   102--102
                 Waldon Fawcett   Ingenious Water-Wheels . . . . . . . . . 104--105
                      Anonymous   The Truncated Man  . . . . . . . . . . . 105--105
                N. Hudson Moore   The \em Mantis Religiosa in Rochester,
                                  N.Y. . . . . . . . . . . . . . . . . . . 105--106
                      Anonymous   A Novel Hinge  . . . . . . . . . . . . . 106--106
                      Anonymous   A New Form of Insulator  . . . . . . . . 106--106
                      Anonymous   An Instrument for Drawing Ellipses . . . 106--107
                      Anonymous   Business and Personal Wants  . . . . . . 108--108
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 115--115
                      Anonymous   Recently Patented Inventions . . . . . . 123--123
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 123--123
                      Anonymous   Notes and Queries  . . . . . . . . . . . 124--124
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--124
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 127--127
                      Anonymous   East River Rapid Transit Tunnel  . . . . 114--114
                      Anonymous   Sir William White and the New Royal
                                  Yacht  . . . . . . . . . . . . . . . . . 114--114
                      Anonymous   Tesla's Wireless Telegraphy  . . . . . . 114--114
                      Anonymous   High-Speed Passenger Steamers on the
                                  Hudson . . . . . . . . . . . . . . . . . 114--114
                      Anonymous   Smokeless Powder and Gun Erosion . . . . 114--114
                      Anonymous   Prizes for Inventions a Legitimate
                                  Encouragement  . . . . . . . . . . . . . 114--115
                      Anonymous   Are You about to Build?  . . . . . . . . 115--115
                      Anonymous   Zenobe T. Gramme . . . . . . . . . . . . 115--115
                      Anonymous   Our Business and Personal Want Column    115--115
                      Anonymous   Zodiacal Light . . . . . . . . . . . . . 115--115
                      Anonymous   Powerful Nine-Ton Dipper Dredge  . . . . 116--116
                      Anonymous   Petroleum as an Illuminant for Buoys . . 117--117
                      Anonymous   The Orchestra-Man of the Exposition  . . 117--118
                      Anonymous   Silk Manufacture . . . . . . . . . . . . 118--119
                      Anonymous   De Dietrich Automobiles  . . . . . . . . 120--120
       Charles Frederick Holder   Running Down Whales  . . . . . . . . . . 121--121
                      Anonymous   A Glimpse of the Naval Battle of
                                  Santiago . . . . . . . . . . . . . . . . 121--122
                      Anonymous   Three Recently Patented Novelties  . . . 122--122
                      Anonymous   Repairing a Broken Shaft at Sea  . . . . 122--122
                      Anonymous   A Simple and Efficient Clipper Grinder
                                  and Surface Grinder  . . . . . . . . . . 122--122
                      Anonymous   Business and Personal Wants  . . . . . . 123--123
        
           Henry Norris Russell   The Heavens in March, 1901 . . . . . . . 131--131
                      Anonymous   Correspondence . . . . . . . . . . . . . 135--136
                      Anonymous   Recently Patented Inventions . . . . . . 139--139
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 139--139
                      Anonymous   Notes and Queries  . . . . . . . . . . . 140--140
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--140
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 143--143
                      Anonymous   Cables for the New East River Bridge . . 130--130
                      Anonymous   The Retirement of Rear-Admiral Hichborn  130--130
                      Anonymous   Aeronautical Congress  . . . . . . . . . 130--130
                      Anonymous   Lotus Poison . . . . . . . . . . . . . . 130--130
                      Anonymous   Estimation of Tungstic Acid in its Ores  131--131
                      Anonymous   Musical Sounds from the Electric Arc . . 131--131
                      Anonymous   An Automatic Reducing Valve of Novel
                                  form . . . . . . . . . . . . . . . . . . 132--132
                      Anonymous   The Largest Camera in the World  . . . . 132--132
                      Anonymous   The Potter of ``Old Berry'' at the
                                  Exposition . . . . . . . . . . . . . . . 133--133
                      Anonymous   Pod Corn . . . . . . . . . . . . . . . . 133--133
                 Albert T. Clay   Excavations at Nippur  . . . . . . . . . 133--134
                      Anonymous   The Kress Aeroplane  . . . . . . . . . . 137--137
                      Anonymous   The Vertical Growth of New York City . . 137--138
                      Anonymous   A Simple Door Latch for Refrigerators    138--138
                      Anonymous   A Triple-Jawed Pipe-Wrench . . . . . . . 138--138
                      Anonymous   An Improvement in Capsuling-Machines . . 138--138
                      Anonymous   Business and Personal Wants  . . . . . . 139--139
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 7--7
                      Anonymous   Recently Patented Inventions . . . . . . 11--11
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 11--11
                      Anonymous   Notes and Queries  . . . . . . . . . . . 12--12
                      Anonymous   Index of Inventions  . . . . . . . . . . 13--13
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 15--15
                      Anonymous   Handling Excavated Material at Jerome
                                  Park Reservoir . . . . . . . . . . . . . 1--1
                      Anonymous   Railroad Connections with Manhattan
                                  Island . . . . . . . . . . . . . . . . . 2--2
                      Anonymous   American Locomotives in England  . . . . 2--2
                      Anonymous   Height of Ocean Waves  . . . . . . . . . 2--2
                      Anonymous   Selenides of Cobalt  . . . . . . . . . . 2--3
                 Alton D. Adams   Coke as a Substitute for Anthracite Coal 3--3
                      Anonymous   Science Notes  . . . . . . . . . . . . . 3--3
                      Anonymous   A Wyoming Fossil Quarry  . . . . . . . . 4--4
                      Anonymous   A Starting-Device for Hydrocarbon Motors 5--5
                      Anonymous   A Trolley Palace Car . . . . . . . . . . 5--5
                      Anonymous   A Novel Twine Holder and Cutter  . . . . 5--5
              Charles F. Holder   Pyramids of Del Mar --- Erosion on the
                                  Pacific Coast  . . . . . . . . . . . . . 8--8
                      Anonymous   The Thomas Auto-Tricycle . . . . . . . . 9--9
                      Anonymous   The Lance-Boats of the German Cavalry    9--10
                      Anonymous   A New Instrument for the Measurement of
                                  High Temperatures  . . . . . . . . . . . 10--10
                      Anonymous   Business and Personal Wants  . . . . . . 11--12
        
                      Anonymous   Recently Patented Inventions . . . . . . 156--156
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 156--156
                      Anonymous   Notes and Queries  . . . . . . . . . . . 157--157
                      Anonymous   Index of Inventions  . . . . . . . . . . 157--157
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 157--157
                      Anonymous   A Promising Type of Gun  . . . . . . . . 146--146
                      Anonymous   Some Chemical Mysteries  . . . . . . . . 146--146
                      Anonymous   The Design of Propellers . . . . . . . . 146--146
                      Anonymous   Marconi Telegraphs on the British Fleet  146--147
                William H. Hale   Pan-American Meeting of the American
                                  Institute of Electrical Engineers  . . . 147--147
               John Chamberlain   Extermination of the Mosquito  . . . . . 147--147
                 Budd A. Wright   A Simple Home-Made Lathe . . . . . . . . 148--148
                      Anonymous   A Laboratory Apparatus for Liquefying
                                  Gases  . . . . . . . . . . . . . . . . . 148--148
                      Anonymous   The Manufacture of Matches . . . . . . . 149--150
                 Alton D. Adams   Distribution of Combined Electrical
                                  Energy . . . . . . . . . . . . . . . . . 150--151
                      Anonymous   New 5-Inch Segmental Wire-Wound Gun for
                                  the United States Army . . . . . . . . . 152--153
                      Anonymous   The Willis Avenue Bridge Over the Harlem
                                  River  . . . . . . . . . . . . . . . . . 153--154
                Marcus Benjamin   How Money is Made  . . . . . . . . . . . 154--155
                      Anonymous   The Wreck of the Santos-Dumont Balloon   155--155
                      Anonymous   Business and Personal Wants  . . . . . . 156--156
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 166--166
                      Anonymous   Recently Patented Inventions . . . . . . 172--172
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 172--172
                      Anonymous   Notes and Queries  . . . . . . . . . . . 173--173
                      Anonymous   Index of Inventions  . . . . . . . . . . 173--173
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 174--174
                      Anonymous   The Attempt on the President . . . . . . 162--162
                      Anonymous   ``Columbia'' --- Twice a Cup Defender    162--162
                      Anonymous   A Timely Warning . . . . . . . . . . . . 162--162
                      Anonymous   Target Practice at Aldershot . . . . . . 162--162
                    E. O. Hovey   The American Association for the
                                  Advancement of Science . . . . . . . . . 163--163
                      Anonymous   The Best Class Trade Paper . . . . . . . 163--163
                      Anonymous   The New Atlantic Liner ``Kronprinz
                                  Wilhelm''  . . . . . . . . . . . . . . . 164--164
                      Anonymous   An Improved Chalk-Line Holder  . . . . . 165--165
                      Anonymous   The Loschwitz Suspension Railway . . . . 165--165
                      Anonymous   A Grease-Pump  . . . . . . . . . . . . . 165--165
                      Anonymous   The Temporary Footways of the New East
                                  River Bridge . . . . . . . . . . . . . . 166--167
                      Anonymous   The Five-Horned Giraffe  . . . . . . . . 168--168
                      Anonymous   The Ascent of the Matterhorn . . . . . . 168--169
                      Anonymous   The Newport Automobile Races . . . . . . 169--170
           A. Frederick Collins   How to Construct an Efficient Wireless
                                  Telegraph Apparatus at a Small Cost  . . 170--171
                      Anonymous   Business and Personal Wants  . . . . . . 172--172
                      Anonymous   To Inventors . . . . . . . . . . . . . . 173--173
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 183--183
                      Anonymous   Recently Patented Inventions . . . . . . 188--188
                      Anonymous   Notes and Queries  . . . . . . . . . . . 189--189
                      Anonymous   Index of Inventions  . . . . . . . . . . 189--189
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 190--190
                      Anonymous   ``God's Will be Done --- Not Ours''  . . 178--178
                      Anonymous   Proposed Remodeling of the Croton Dam    178--178
                      Anonymous   A Great Salvage Feat . . . . . . . . . . 178--178
                      Anonymous   Canaigre Growing in the United States    178--178
                      Anonymous   Rapid Development of Wireless Telegraphy 178--179
                      Anonymous   The New French Liner ``La Savoie'' . . . 179--179
                      Anonymous   Germany's Commercial Depression --- Its
                                  Causes and Effects . . . . . . . . . . . 179--179
                      Anonymous   Science Notes  . . . . . . . . . . . . . 179--179
                      Anonymous   A New Driving Axle for Automobiles . . . 180--180
                      Anonymous   Self-Propelling Automatic Grab Bucket    180--181
                      Anonymous   House Boat ``Loudoun'' . . . . . . . . . 181--181
                      Anonymous   An Adjustable Electric Book Lamp . . . . 181--182
                      Anonymous   The Croton Dam for the Water Supply of
                                  New York City  . . . . . . . . . . . . . 182--182
                      Anonymous   Improved Hydrographic Instruments  . . . 184--184
                      Anonymous   The Manufacture of Caramels  . . . . . . 185--186
       Charles Frederick Holder   A Curious Means of Defense . . . . . . . 186--187
                      Anonymous   Increasing use of Oil on Highways  . . . 187--187
                      Anonymous   Business and Personal Wants  . . . . . . 188--188
                      Anonymous   To Inventors . . . . . . . . . . . . . . 189--189
        
           Henry Norris Russell   The Heavens in October . . . . . . . . . 195--195
                      Anonymous   Correspondence . . . . . . . . . . . . . 198--199
                      Anonymous   Recently Patented Inventions . . . . . . 204--204
                      Anonymous   Notes and Queries  . . . . . . . . . . . 204--204
                      Anonymous   Index of Inventions  . . . . . . . . . . 205--205
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 207--207
                      Anonymous   Peary's Arctic Discoveries . . . . . . . 194--194
                      Anonymous   ``Columbia'' and ``Shamrock''  . . . . . 194--194
                      Anonymous   New York--Buffalo Endurance Race . . . . 194--194
                      Anonymous   The M. Santos-Dumont Balloon No. 6 Fails 195--195
                      Anonymous   Science Notes  . . . . . . . . . . . . . 195--195
                      Anonymous   An Electrical Water-Heater . . . . . . . 196--196
                      Anonymous   An Improved Fertilizer-Distributer . . . 196--196
                      Anonymous   Harbor Improvement, Oakland, Cal . . . . 196--197
                      Anonymous   Curious Locomotive Explosion . . . . . . 197--197
                      Anonymous   A Locomotive Curiosity . . . . . . . . . 197--198
                 Waldon Fawcett   Rolling Lift Bridges . . . . . . . . . . 198--198
                      Anonymous   Foster's Fog Signals . . . . . . . . . . 200--200
                Orrin E. Dunlap   Foolhardy Attempts at Passing the
                                  Whirlpool Rapids of Niagara  . . . . . . 201--202
                      Anonymous   A Destructive Bolt of Lightning  . . . . 202--202
                      Anonymous   A New Motor Cycle  . . . . . . . . . . . 203--203
                      Anonymous   Business and Personal Wants  . . . . . . 204--204
                      Anonymous   To Inventors . . . . . . . . . . . . . . 205--205
        
                      Anonymous   Recently Patented Inventions . . . . . . 220--220
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 220--220
                      Anonymous   Notes and Queries  . . . . . . . . . . . 220--220
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--220
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 223--223
                      Anonymous   Trade Dollar Consolidated Mining
                                  Company's Electric Plant, Snake River,
                                  Idaho  . . . . . . . . . . . . . . . . . 209--209
                      Anonymous   The Towing Tank and the Deep Sea . . . . 210--210
                      Anonymous   The Royal Tombs at Abydos  . . . . . . . 210--210
                      Anonymous   The True Point of View . . . . . . . . . 210--210
                      Anonymous   The Holland Submarines for the British
                                  Navy . . . . . . . . . . . . . . . . . . 210--211
                      Anonymous   Belleville Versus Cylindrical Boilers    211--211
                      Anonymous   Science Notes  . . . . . . . . . . . . . 211--211
                      Anonymous   The ``Fool Killer'' Taking Soundings . . 211--212
                      Anonymous   Eighty-Ton Floating Crane for the Santos
                                  Harbor Works . . . . . . . . . . . . . . 212--212
                      Anonymous   An Electrical Glass-Furnace  . . . . . . 212--213
                      Anonymous   The ``Santos-Dumont No. 6''  . . . . . . 213--214
                  Wilber Colvin   Electricity in Gold Mining . . . . . . . 216--217
                      Anonymous   Fifty Years of ``America'' Cup Contests  217--218
                      Anonymous   Synthetic Talking Machine  . . . . . . . 219--219
                      Anonymous   Business and Personal Wants  . . . . . . 220--220
        
                      Anonymous   Recently Patented Inventions . . . . . . 236--236
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 236--236
                      Anonymous   Notes and Queries  . . . . . . . . . . . 237--237
                      Anonymous   Index of Inventions  . . . . . . . . . . 237--237
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 239--239
                      Anonymous   The Loss of the ``Viper'' and the
                                  ``Cobra''  . . . . . . . . . . . . . . . 226--226
                      Anonymous   The Tandem Compound Locomotive . . . . . 226--226
                      Anonymous   Some of the English Royal Treasures  . . 226--227
                      Anonymous   Extensive Project for Irrigating Egypt   227--227
                      Anonymous   Inventing Games and forms of
                                  Entertainment  . . . . . . . . . . . . . 227--227
                      Anonymous   The Ezekiel Airship  . . . . . . . . . . 228--228
                      Anonymous   Great Sluice Gates for the Nile
                                  Irrigation Works . . . . . . . . . . . . 228--228
                      Anonymous   An Automobile Forage Wagon . . . . . . . 229--229
                      Anonymous   Queen Alexandra's Dairy  . . . . . . . . 229--230
                      Anonymous   Jupiter Steel  . . . . . . . . . . . . . 230--231
                      Anonymous   The New 50-Caliber Rapid-Fire Guns of
                                  the United States Navy . . . . . . . . . 232--232
                      Anonymous   The 1901 Contest for the ``America'' Cup 232--235
                      Anonymous   A Skein for Wagon Axles  . . . . . . . . 235--235
                      Anonymous   Turntable for Hand-Cars  . . . . . . . . 235--235
                      Anonymous   A Novel Filter . . . . . . . . . . . . . 235--235
                      Anonymous   A Fireproof Pipe Covering  . . . . . . . 235--235
                      Anonymous   Business and Personal Wants  . . . . . . 236--236
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 247--247
                      Anonymous   Recently Patented Inventions . . . . . . 251--251
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 251--251
                      Anonymous   Notes and Queries  . . . . . . . . . . . 252--253
                      Anonymous   Index of Inventions  . . . . . . . . . . 253--253
                      Anonymous   Delayed Naval Construction in Private
                                  Yards  . . . . . . . . . . . . . . . . . 242--242
                      Anonymous   The Aftermath of the ``America'' Cup
                                  Races  . . . . . . . . . . . . . . . . . 242--242
                      Anonymous   Deterioration of the Brooklyn Bridge . . 242--242
                      Anonymous   The Latest Transatlantic Record Breaker  242--243
          William Gilbert Irwin   The Development of the Bituminous Coal
                                  Industry . . . . . . . . . . . . . . . . 243--243
                      Anonymous   The Manufacture of Cordage . . . . . . . 244--245
                      Anonymous   A New Submerged Electric Motor and
                                  Propeller  . . . . . . . . . . . . . . . 245--245
                      Anonymous   A New Automatic Telegraph Repeater . . . 245--246
                      Anonymous   A Curious Windmill . . . . . . . . . . . 246--246
                      Anonymous   Burial Monuments of North Africa . . . . 248--248
                      Anonymous   A Seven-Masted Steel Schooner  . . . . . 248--249
                      Anonymous   A Curious Example of Petrifaction  . . . 249--249
                    A. C. Scott   Photographing the Electric Arc . . . . . 249--250
                      Anonymous   The Okapi --- a Newly-Discovered Animal  250--250
                      Anonymous   Business and Personal Wants  . . . . . . 252--252
        
                      Anonymous   Recently Patented Inventions . . . . . . 268--268
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 268--268
                      Anonymous   Notes and Queries  . . . . . . . . . . . 269--269
                      Anonymous   Index of Inventions  . . . . . . . . . . 269--269
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 271--271
                      Anonymous   Proposed Relief of the Brooklyn Bridge
                                  Terminal . . . . . . . . . . . . . . . . 258--258
                      Anonymous   Naval Estimates  . . . . . . . . . . . . 258--258
                      Anonymous   Vibrations of London Underground . . . . 258--258
                      Anonymous   Mining Conditions in South Africa  . . . 258--259
                      Anonymous   Feeding the Wild Animals . . . . . . . . 259--259
                      Anonymous   Roof Gardens on Private Houses . . . . . 259--259
                      Anonymous   Science Notes  . . . . . . . . . . . . . 259--259
                      Anonymous   A Clever Piece of Molding  . . . . . . . 260--260
                      Anonymous   A Wooden Smelter Stack . . . . . . . . . 260--260
                      Anonymous   A Large Wood Pulley  . . . . . . . . . . 260--260
                      Anonymous   Electric Lifting Magnets . . . . . . . . 261--261
                      Anonymous   A Night Excursion Car  . . . . . . . . . 261--262
                      Anonymous   The Russian Battleship ``Retvizan''  . . 263--263
                      Anonymous   French Military Folding Bicycle  . . . . 264--264
                 Waldon Fawcett   Oiled Roadbeds . . . . . . . . . . . . . 264--265
                      Anonymous   Count De La Vaulx's Balloon Trip across
                                  the Mediterranean  . . . . . . . . . . . 265--266
                J. Carter Beard   Something about Ancient American
                                  Saurians . . . . . . . . . . . . . . . . 267--267
                      Anonymous   Business and Personal Wants  . . . . . . 268--268
        
           Henry Norris Russell   The Heavens in November  . . . . . . . . 275--275
                      Anonymous   Correspondence . . . . . . . . . . . . . 283--283
                      Anonymous   Recently Patented Inventions . . . . . . 284--284
                      Anonymous   Notes and Queries  . . . . . . . . . . . 284--284
                      Anonymous   Index of Inventions  . . . . . . . . . . 284--284
                      Anonymous   Rapid Construction of the Rapid Transit
                                  Subway . . . . . . . . . . . . . . . . . 274--274
                      Anonymous   Painting of Big Bridges  . . . . . . . . 274--274
                      Anonymous   Annual Report of the Bureau of Ordnance  274--274
                      Anonymous   Important Application of Electric Power
                                  in Railroading . . . . . . . . . . . . . 274--275
                      Anonymous   Science Notes  . . . . . . . . . . . . . 275--275
                      Anonymous   Thirty Years' Growth of the Locomotive   276--276
                      Anonymous   Tandem Compound Locomotive for the
                                  Northern Pacific Railway . . . . . . . . 276--277
                      Anonymous   A Soap-Delivery Attachment for Water
                                  Pipes  . . . . . . . . . . . . . . . . . 277--277
                     Enos Brown   A California Marine Railway  . . . . . . 277--277
                      Anonymous   How to Make a Simple Split Pulley  . . . 277--277
                      Anonymous   Progress of Construction of the Rapid
                                  Transit Tunnel . . . . . . . . . . . . . 278--279
                      Anonymous   Waste-Heat Auxiliary Engine  . . . . . . 279--279
                      Anonymous   The Electric Cable Span at Carquinez . . 280--281
                 Waldon Fawcett   Bee-Keeping in the United States . . . . 281--282
                      Anonymous   An Ingenious Writing Machine . . . . . . 283--283
                M. C. Frederick   The Leather Turtle . . . . . . . . . . . 283--283
                      Anonymous   Business and Personal Wants  . . . . . . 284--284
        
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 300--300
                      Anonymous   Recently Patented Inventions . . . . . . 301--301
                      Anonymous   Index of Inventions  . . . . . . . . . . 301--302
                      Anonymous   Notes and Queries  . . . . . . . . . . . 302--302
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 305--305
                      Anonymous   New Department of the
                                  \booktitleScientific American  . . . . . 290--290
                      Anonymous   Forced Versus Natural Draft  . . . . . . 290--290
                      Anonymous   Accident to the 10-Inch Brown Segmental
                                  Wire Gun . . . . . . . . . . . . . . . . 290--290
                      Anonymous   Marconi Telegraphy on the High Seas  . . 290--290
                      Anonymous   Gas Engine Plants  . . . . . . . . . . . 290--290
                      Anonymous   The New York Central Tunnel  . . . . . . 290--290
                      Anonymous   Balloon and Automobile Match . . . . . . 290--290
                      Anonymous   Recent Automobile Accidents  . . . . . . 290--291
                George E. Walsh   The New Coast Signal Service . . . . . . 291--291
                      Anonymous   How to Study Autumn Leaves . . . . . . . 291--291
                      Anonymous   Science Notes  . . . . . . . . . . . . . 291--291
                    Hrolf Wisby   Style in Automobiles . . . . . . . . . . 292--293
                     Enos Brown   The Artificial Cultivation of the Rubber
                                  Tree for Industrial Purposes . . . . . . 293--293
            Harold J. Shepstone   Building the New Beachy Head Lighthouse  294--295
                      Anonymous   Some Methods of Construction of the
                                  Rapid Transit Subway . . . . . . . . . . 297--297
                      Anonymous   Towing the New Naval Drydock to Algiers,
                                  La . . . . . . . . . . . . . . . . . . . 297--297
                      Anonymous   United States and German Patent Practice 298--298
                      Anonymous   Col. J. J. Astor's Marine Turbine  . . . 298--299
                      Anonymous   An Adjustable Ventilator for Windows . . 299--299
                      Anonymous   An Improved Saw-Sharpener  . . . . . . . 299--299
                      Anonymous   Devices Curious and Interesting  . . . . 299--300
                      Anonymous   Business and Personal Wants  . . . . . . 302--302
        
                      Anonymous   Recently Patented Inventions . . . . . . 27--27
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 28--28
                      Anonymous   Notes and Queries  . . . . . . . . . . . 28--29
                      Anonymous   Index of Inventions  . . . . . . . . . . 29--29
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 31--31
                      Anonymous   There is Room at the Top . . . . . . . . 18--18
                      Anonymous   The Leading Navies of the World Compared 18--18
                      Anonymous   Report of Royal British Observatory for
                                  1900 . . . . . . . . . . . . . . . . . . 18--19
                      Anonymous   The Berliner Transmitter Patent Held to
                                  be Invalid . . . . . . . . . . . . . . . 19--19
                      Anonymous   Paris--Berlin Automobile Race  . . . . . 19--19
                      Anonymous   Science Notes  . . . . . . . . . . . . . 19--19
                      Anonymous   Death of Prof. John Fiske  . . . . . . . 19--19
              Harry L. Wohlford   Zinc Miring in Kansas  . . . . . . . . . 20--20
                      Anonymous   A Clever Salvage Feat  . . . . . . . . . 20--21
         Erwin Hinckley Barbour   A Few Remarkable Artesian Wells and the
                                  Uses to Which They are Put . . . . . . . 21--21
                      Anonymous   Admirable Work of the Ordnance Board at
                                  Sandy Hook . . . . . . . . . . . . . . . 22--22
                      Anonymous   Interesting Exhibits at the Pan-American 23--23
                      Anonymous   The Common-Battery Telephone System of
                                  the City of New York . . . . . . . . . . 24--25
                      Anonymous   An Improved Double-Cylinder Force-Pump   26--26
                      Anonymous   A Miniature Electric Carriage at the
                                  Pan-American Exposition  . . . . . . . . 26--26
                      Anonymous   A New Street Sign for Lamp-Posts . . . . 26--27
                      Anonymous   Business and Personal Wants  . . . . . . 28--28
        
                      Anonymous   Recently Patented Inventions . . . . . . 318--318
                      Anonymous   Index of Inventions  . . . . . . . . . . 318--318
                      Anonymous   Notes and Queries  . . . . . . . . . . . 321--321
                      Anonymous   Proposed Increase of the Navy  . . . . . 308--308
                      Anonymous   The Tunnel Between Scotland and Ireland  308--308
                      Anonymous   The Problem of the Locomotive Boiler . . 308--308
                      Anonymous   New London Telephone System  . . . . . . 308--308
                      Anonymous   The Berlin--Zossen High Speed Electric
                                  Road . . . . . . . . . . . . . . . . . . 308--309
                      Anonymous   Paris Exhibition of Alcohol-Consuming
                                  Devices  . . . . . . . . . . . . . . . . 309--309
                      Anonymous   End of the Pan-American  . . . . . . . . 309--309
                      Anonymous   Prizes Covering Over . . . . . . . . . . 309--309
                      Anonymous   Science Notes  . . . . . . . . . . . . . 309--310
                 Waldon Fawcett   A Novel Salvage Operation  . . . . . . . 310--310
                      Anonymous   Building the Approaches of the New East
                                  River Bridge . . . . . . . . . . . . . . 311--311
                      Anonymous   French First-Class Battleship
                                  ``Charlemagne''  . . . . . . . . . . . . 311--312
              George M. Hopkins   A Few Meteorological Instruments . . . . 312--312
                      Anonymous   Work on the Simplon Tunnel . . . . . . . 313--313
                      Anonymous   Santos-Dumont Wins the Deutsch Prize . . 314--314
                      Anonymous   Some Exhibits at the Automobile Show . . 314--316
                      Anonymous   The Wheel within Wheel . . . . . . . . . 316--316
                  J. G. M'curdy   The Teredo and Its Work  . . . . . . . . 317--317
                      Anonymous   Business and Personal Wants  . . . . . . 318--318
        
                      Anonymous   Recently Patented Inventions . . . . . . 334--334
                      Anonymous   Index of Inventions  . . . . . . . . . . 335--335
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 335--335
                      Anonymous   Notes and Queries  . . . . . . . . . . . 336--336
                      Anonymous   Our New Navy . . . . . . . . . . . . . . 324--324
                      Anonymous   A Compound Condensing Steam Carriage . . 324--324
                      Anonymous   M. Santos-Dumont's Plans to Cross from
                                  Nice to Corsica  . . . . . . . . . . . . 324--324
                      Anonymous   Further Tests at Sea of the Belleville
                                  Boiler . . . . . . . . . . . . . . . . . 324--325
                Marcus Benjamin   The National Academy of Sciences . . . . 325--325
                      Anonymous   Dr. Stein's Travels in Chinese Turkestan 325--325
                      Anonymous   German Port of Emden . . . . . . . . . . 325--325
                Frederick Moore   Cable Laying in the Philippines  . . . . 326--326
                Orrin E. Dunlap   New Concrete Arch Bridges at Niagara . . 327--328
                  A. B. Wyckoff   The Puget Sound Navy Yard  . . . . . . . 328--329
                      Anonymous   The Lick Observatory---Crocker Eclipse
                                  Expedition to Sumatra  . . . . . . . . . 331--331
                      Anonymous   Some Exhibits at the Automobile Show ---
                                  II . . . . . . . . . . . . . . . . . . . 331--332
                   A. C. Carson   The Opossum  . . . . . . . . . . . . . . 332--333
                      Anonymous   Business and Personal Wants  . . . . . . 334--334
        
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 350--350
                      Anonymous   Recently Patented Inventions . . . . . . 351--351
                      Anonymous   Index of Inventions  . . . . . . . . . . 351--352
                      Anonymous   Notes and Queries  . . . . . . . . . . . 353--353
                      Anonymous   The Recent High-Explosive Shell Tests at
                                  Sandy Hook . . . . . . . . . . . . . . . 340--340
                      Anonymous   A New Thermo-Electric Couple . . . . . . 340--340
                      Anonymous   The Growth and Status of Natural Gas . . 340--341
           Henry Norris Russell   The Heavens in December and The New Star
                                  in Perseus . . . . . . . . . . . . . . . 341--341
                      Anonymous   Science Notes  . . . . . . . . . . . . . 341--341
                 S. Frank Aaron   Useful Spiders . . . . . . . . . . . . . 342--342
                      Anonymous   The Cape to Cairo Telegraph  . . . . . . 343--343
                      Anonymous   Important Competitive Test of
                                  High-Explosive Shell at Sandy Hook . . . 344--345
                      Anonymous   Our Latest Design for Battleships  . . . 345--346
                      Anonymous   New Automobile Speed Records . . . . . . 347--347
                      Anonymous   Patent Department  . . . . . . . . . . . 348--349
                      Anonymous   Three New Electrical Devices . . . . . . 349--349
                      Anonymous   Removable Firebox and Grate for Cooking
                                  Stoves . . . . . . . . . . . . . . . . . 350--350
                      Anonymous   Business and Personal Wants  . . . . . . 352--352
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 363--363
                      Anonymous   Recently Patented Inventions . . . . . . 367--367
                      Anonymous   Index of Inventions  . . . . . . . . . . 367--367
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 370--370
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 370--370
                      Anonymous   Notes and Queries  . . . . . . . . . . . 371--371
                      Anonymous   Reconstruction of the Croton Dam . . . . 358--358
                      Anonymous   Irrigation of the Delta of the Colorado  358--358
                      Anonymous   The Conversion of Grape Tendrils into
                                  Fruit Clusters . . . . . . . . . . . . . 358--359
                      Anonymous   Cave Drawings of the Palæolithic Epoch    359--359
                   Mary Proctor   Nebula in Nova Persei  . . . . . . . . . 359--359
                      Anonymous   Science Notes  . . . . . . . . . . . . . 359--359
               Fred P. Woodbury   A New Synchronism Indicator for
                                  Alternators  . . . . . . . . . . . . . . 360--360
                      Anonymous   New Atlantic Type of Passenger
                                  Locomotive on the Pennsylvania Railroad  360--360
                      Anonymous   Rankin Bridge for the Transit of Molten
                                  Iron . . . . . . . . . . . . . . . . . . 361--361
                      Anonymous   The Manufacture of Oil-Cloth . . . . . . 362--362
                Frederick Moore   The New Drainage and Sewerage System of
                                  New Orleans  . . . . . . . . . . . . . . 364--365
                      Anonymous   Portraiture by Flash Light . . . . . . . 365--365
                      Anonymous   Patent Department  . . . . . . . . . . . 366--366
                      Anonymous   Treating Fruit-Trees for Scale . . . . . 366--366
                      Anonymous   Improvement in Dredge Shovels  . . . . . 366--366
                      Anonymous   Business and Personal Wants  . . . . . . 367--367
        
                      Anonymous   Recently Patented Inventions . . . . . . 394--394
                      Anonymous   Index of Inventions  . . . . . . . . . . 394--394
                      Anonymous   Notes and Queries  . . . . . . . . . . . 397--397
                      Anonymous   Peace and a Powerful Navy  . . . . . . . 374--374
                      Anonymous   Warship Construction at the Government
                                  Navy Yards . . . . . . . . . . . . . . . 374--374
                      Anonymous   Our Naval Development Since the War with
                                  Spain  . . . . . . . . . . . . . . . . . 374--374
                      Anonymous   ``Revolutionizing'' Naval Warfare  . . . 374--375
                      Anonymous   Battleships  . . . . . . . . . . . . . . 375--376
                      Anonymous   ``Alabama'' Class --- First-Class
                                  Battleship ``Wisconsin'' . . . . . . . . 376--378
                      Anonymous   Engines of the Battleship ``Wisconsin''  378--378
                      Anonymous   ``Maine'' Class --- First-Class
                                  Battleship ``Maine'' . . . . . . . . . . 378--378
                      Anonymous   ``Virginia'' Class --- First-Class
                                  Battleship ``Georgia'' . . . . . . . . . 378--381
                      Anonymous   Monitors . . . . . . . . . . . . . . . . 381--381
                      Anonymous   Guns and Armor . . . . . . . . . . . . . 382--383
                      Anonymous   Gun-Mounts and Breech Mechanisms . . . . 383--383
                      Anonymous   Armor Plate and High-Explosive Shells    384--385
                      Anonymous   Armored Cruisers . . . . . . . . . . . . 385--385
                      Anonymous   The Semi-Armored Cruisers of the ``St.
                                  Louis'' Class  . . . . . . . . . . . . . 386--386
                      Anonymous   Protected Cruisers . . . . . . . . . . . 386--387
                      Anonymous   Submarine Torpedo Boats  . . . . . . . . 387--388
                      Anonymous   Torpedo-Boats and Destroyers . . . . . . 388--388
                      Anonymous   Torpedo-Boat Destroyer ``Perry'' . . . . 388--390
                      Anonymous   Our Relative Standing Among the Naval
                                  Powers . . . . . . . . . . . . . . . . . 390--394
                      Anonymous   Business and Personal Wants  . . . . . . 400--400
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 410--411
                      Anonymous   Recently Patented Inventions . . . . . . 416--416
                      Anonymous   Index of Inventions  . . . . . . . . . . 416--417
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 418--418
                      Anonymous   Notes and Queries  . . . . . . . . . . . 419--419
                      Anonymous   Pennsylvania Railroad Terminal Station
                                  and Tunnel . . . . . . . . . . . . . . . 406--406
                      Anonymous   Nicaragua or Panama  . . . . . . . . . . 406--406
                      Anonymous   An Interesting Automobile Damage Case    407--407
                      Anonymous   The Robert Fulton Memorial . . . . . . . 407--407
                      Anonymous   The International Kerosene Oil Motor . . 408--408
                      Anonymous   Safety Device for Engines and Condensers 409--409
                      Anonymous   Iron Making on the Pacific Coast . . . . 409--410
                      Anonymous   An Improved Hay Stacker and Builders'
                                  Derrick  . . . . . . . . . . . . . . . . 410--410
                      Anonymous   Giant Sand Wheel for the Calumet and
                                  Hecla Mining Company . . . . . . . . . . 411--411
                   Mary Proctor   Measuring the Heat of the Stars  . . . . 412--413
                    Hrolf Wisby   The Evolution of the Motor Cycle . . . . 413--414
                      Anonymous   Hypnosis in Frogs  . . . . . . . . . . . 414--415
                   C. F. Holder   A Rare Fish  . . . . . . . . . . . . . . 415--415
                      Anonymous   Business and Personal Wants  . . . . . . 416--416
        
           Henry Norris Russell   The Heavens in January, 1902 . . . . . . 423--423
                      Anonymous   Recently Patented Inventions . . . . . . 432--433
                      Anonymous   Index of Inventions  . . . . . . . . . . 434--434
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 435--436
                      Anonymous   Books: New Books . . . . . . . . . . . . 437--437
                      Anonymous   Notes and Queries  . . . . . . . . . . . 438--438
                      Anonymous   Transoceanic Wireless Telegraphy . . . . 422--422
                      Anonymous   Appreciation of the Naval Number . . . . 422--422
                      Anonymous   Bridges Versus Tunnels . . . . . . . . . 422--422
                       M. Loewy   Annual Report of the Work of the
                                  Observatory of Paris for 1900  . . . . . 422--423
                      Anonymous   A Pendulum Propeller . . . . . . . . . . 424--424
           A. Frederick Collins   The Slaby--Arco Portable Field Equipment
                                  for Wireless Telegraphy  . . . . . . . . 425--426
                      Anonymous   The Pennsylvania--Long Island Connecting
                                  Railroad Tunnels . . . . . . . . . . . . 426--427
                      Anonymous   New Submarines for the United States
                                  Navy . . . . . . . . . . . . . . . . . . 427--427
                      Anonymous   The Combined Third and Traction Rail
                                  System of Haulage  . . . . . . . . . . . 428--428
                      Anonymous   Alcohol Automobiles at the Paris Alcohol
                                  Exhibition . . . . . . . . . . . . . . . 428--428
                      Anonymous   Method of Lighting the Great Water Tank
                                  at the Nouveau Cirque, Paris . . . . . . 429--429
                      Anonymous   Patent Department  . . . . . . . . . . . 430--430
                      Anonymous   Simple Interesting Inventions  . . . . . 431--431
                      Anonymous   Business and Personal Wants  . . . . . . 433--433
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 38--38
                      Anonymous   Recently Patented Inventions . . . . . . 44--44
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 44--44
                      Anonymous   Notes and Queries  . . . . . . . . . . . 45--45
                      Anonymous   Index of Inventions  . . . . . . . . . . 45--45
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 47--47
                      Anonymous   A New Scheme of Trade Mark Blackmail . . 34--34
                      Anonymous   The Struggle of the Cup Champions  . . . 34--34
                      Anonymous   A Naval Problem  . . . . . . . . . . . . 34--35
                      Anonymous   Defective Assignments of Patents and
                                  Royalties  . . . . . . . . . . . . . . . 35--35
                      Anonymous   Introducing American Methods in England  35--35
                      Anonymous   Manufacture of Celluloid Beads . . . . . 35--35
                      Anonymous   Science Notes  . . . . . . . . . . . . . 35--35
                   Ernst Ruhmer   The ``Photographophone'' . . . . . . . . 36--36
                      Anonymous   A New Typesetting Machine  . . . . . . . 37--38
                      Anonymous   Two of the Latest Types of Battleships   39--39
                      Anonymous   Marconi's Wireless Telegraphy Automobile
                                  for Military Purposes  . . . . . . . . . 40--40
                      Anonymous   The First Passenger Turbine Steamer
                                  ``Edward VII'' . . . . . . . . . . . . . 40--41
                 Waldon Fawcett   The Most Primitive American Savages  . . 41--42
                      Anonymous   The West Virginia Flood  . . . . . . . . 43--43
                      Anonymous   Business and Personal Wants  . . . . . . 45--45
        
                Edgar L. Larkin   The Heavens in August  . . . . . . . . . 51--51
                      Anonymous   Recently Patented Inventions . . . . . . 59--59
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 59--60
                      Anonymous   Notes and Queries  . . . . . . . . . . . 60--60
                      Anonymous   Index of Inventions  . . . . . . . . . . 60--60
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 62--62
                      Anonymous   The Relocation of our Railroads  . . . . 50--50
                      Anonymous   Some Results of the Albany Filtration
                                  Plant  . . . . . . . . . . . . . . . . . 50--50
                      Anonymous   An Epitome of American Railway Methods   50--50
                      Anonymous   The Future Possibilities of Siberia  . . 50--51
                      Anonymous   Two Eminent California Scientists  . . . 51--51
                      Anonymous   Science Notes  . . . . . . . . . . . . . 51--51
                      Anonymous   New Weaving Device . . . . . . . . . . . 51--51
                      Anonymous   The Fastest Trip of the ``Deutschland''  51--51
                      Anonymous   The Westinghouse Electric Brake and
                                  Heater . . . . . . . . . . . . . . . . . 52--52
                      Anonymous   Fog Studies on Mount Tamalpais,
                                  California . . . . . . . . . . . . . . . 52--53
                      Anonymous   A Novel Chain-Stopper  . . . . . . . . . 53--53
                      Anonymous   An Improved Blowpipe . . . . . . . . . . 53--53
                   Leon M. Hall   Electric Hoists on the Comstock  . . . . 53--54
                      Anonymous   The Manufacture of Blown Glass-Lamp
                                  Chimneys . . . . . . . . . . . . . . . . 54--55
                      Anonymous   The Paris--Berlin Motor Carriage Race    56--57
                      Anonymous   The Conquest of the Air  . . . . . . . . 57--58
                James M'ilhenny   A Natural Sand Blast . . . . . . . . . . 58--58
                      Anonymous   Business and Personal Wants  . . . . . . 60--60
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 70--71
                      Anonymous   Recently Patented Inventions . . . . . . 76--76
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 76--76
                      Anonymous   Notes and Queries  . . . . . . . . . . . 77--77
                      Anonymous   Index of Inventions  . . . . . . . . . . 77--77
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 78--78
                      Anonymous   Future Reconstruction of the Brooklyn
                                  Bridge . . . . . . . . . . . . . . . . . 66--66
                      Anonymous   Recent Developments in the British Navy  66--66
                      Anonymous   Electrical Method for Determining the
                                  Variations of Mineral Waters . . . . . . 66--67
                      H. Pellat   National Physico-Technical Laboratories  67--67
                      Anonymous   The Work of the Egyptian Exploration
                                  Fund . . . . . . . . . . . . . . . . . . 67--67
                      Anonymous   Science Notes  . . . . . . . . . . . . . 67--67
                      Anonymous   Baby Incubators at the Pan-American
                                  Exposition . . . . . . . . . . . . . . . 68--68
                      Anonymous   The New Riverside Viaduct, New York  . . 69--70
                      Anonymous   The Three Great Suspension Bridges
                                  across the East River, New York  . . . . 70--70
                      Anonymous   A New Kind of Water-Tank . . . . . . . . 71--71
              Charles F. Holder   A Wave Motor . . . . . . . . . . . . . . 72--72
                      Anonymous   The Largest Floating Dock in the World   72--73
                      Anonymous   Some Remarkable Tree Growths . . . . . . 73--73
                      Anonymous   Nemethy's Flying-Machine . . . . . . . . 73--74
                      Anonymous   A New Semi-Dry Battery . . . . . . . . . 74--74
                      Anonymous   The Failure of the Brooklyn Bridge . . . 74--76
                      Anonymous   Business and Personal Wants  . . . . . . 76--77
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 87--87
                      Anonymous   Recently Patented Inventions . . . . . . 92--92
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 92--92
                      Anonymous   Notes and Queries  . . . . . . . . . . . 92--93
                      Anonymous   Index of Inventions  . . . . . . . . . . 93--93
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 94--94
                      Anonymous   Supervision and Safety of the Brooklyn
                                  Bridge . . . . . . . . . . . . . . . . . 82--82
                      Anonymous   The New York Central Railroad Tunnel
                                  Nuisance . . . . . . . . . . . . . . . . 82--82
                      Anonymous   Divergent Opinions on Battleship Design  82--83
                George E. Walsh   Various Uses of Paper  . . . . . . . . . 83--83
                      Anonymous   Science Notes  . . . . . . . . . . . . . 83--83
                      Anonymous   A Combined Box-Cap and Shoe-Plank Holder 84--84
                      Anonymous   Stephenson's Locomotive  . . . . . . . . 84--84
                      Anonymous   A Novel Can-Opener . . . . . . . . . . . 84--84
            Frederick A. Talbot   The Electrical Causes of Changes in the
                                  Weather  . . . . . . . . . . . . . . . . 85--86
                      Anonymous   Coke Making in the Connellsville Region  86--86
                      Anonymous   The Examination and Sorting of Eggs  . . 88--88
                      Anonymous   The Turbine Engines of the ``King
                                  Edward'' . . . . . . . . . . . . . . . . 88--89
                      Anonymous   The Santos-Dumont Balloon  . . . . . . . 89--90
       Edward Coleridge Roberts   A New form of Barometer  . . . . . . . . 90--90
                      Anonymous   The New Battleship Design Controversy    90--91
                      Anonymous   Business and Personal Wants  . . . . . . 92--92
                      Anonymous   To Inventors . . . . . . . . . . . . . . 93--93
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 102--102
                      Anonymous   Recently Patented Inventions . . . . . . 108--108
                      Anonymous   Notes and Queries  . . . . . . . . . . . 109--109
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 109--109
                      Anonymous   Index of Inventions  . . . . . . . . . . 109--109
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 110--110
                      Anonymous   Mishap to the Santos-Dumont Airship  . . 98--98
                      Anonymous   Big Ships and Deep Waterways . . . . . . 98--98
                      Anonymous   Humidity and Heating Systems . . . . . . 98--99
                      Anonymous   The Proposed History of the Patent
                                  Office . . . . . . . . . . . . . . . . . 99--99
                      Anonymous   Water-Tube vs. Fire-Tube Boilers for
                                  Naval Use  . . . . . . . . . . . . . . . 99--99
                      Anonymous   Science Notes  . . . . . . . . . . . . . 99--100
                Arthur B. Weeks   In the Terminal Station at Buffalo . . . 100--100
                      Anonymous   Relative Speed Indicator . . . . . . . . 100--101
              Charles F. Holder   Burning the Sierra Madres  . . . . . . . 101--101
                      Anonymous   East Indians in the Island of Trinidad   101--102
                      Anonymous   Railroad Track Nut-Lock  . . . . . . . . 102--102
                      Anonymous   The White Star Liner ``Celtic''  . . . . 103--103
               Day Allen Willey   The Erection of the Gokteik Bridge . . . 104--104
                      Anonymous   Yale's Large Dinosaur  . . . . . . . . . 105--105
                 Waldon Fawcett   Self-Propelling Fire Engines . . . . . . 105--107
                      Anonymous   Sir Norman Lockyer on Sun Spots  . . . . 107--108
                      Anonymous   Business and Personal Wants  . . . . . . 108--108
        
                      Anonymous   Recently Patented Inventions . . . . . . 124--124
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 124--124
                      Anonymous   Notes and Queries  . . . . . . . . . . . 125--125
                      Anonymous   Index of Inventions  . . . . . . . . . . 126--127
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 126--126
                      Anonymous   Trade and Higher Education . . . . . . . 114--114
                      Anonymous   ``Shamrock II'' and ``Columbia''
                                  Compared . . . . . . . . . . . . . . . . 114--114
                      Anonymous   Danger to St. Paul's Cathedral . . . . . 114--114
                      Anonymous   Modern Structural Steel  . . . . . . . . 114--115
                      Anonymous   American Adulterated Fabrics and Tests   115--115
                      Anonymous   Baron Nordenskjöld Dead . . . . . . . . . 115--115
                      Anonymous   Science Notes  . . . . . . . . . . . . . 115--115
                      Anonymous   A Device for Straightening Rugs  . . . . 116--116
                      Anonymous   Freight Locomotive for Heavy Grades  . . 116--116
                      Anonymous   A Simple Locomotive Engine Indicator . . 116--116
                      Anonymous   Modern Grain Elevators . . . . . . . . . 117--118
                 Alton D. Adams   Steam Heat with Condensing Engines . . . 118--119
                      Anonymous   The Telepherage System of Transportation 120--120
                 Waldon Fawcett   A Fire Department Drill School . . . . . 120--121
                      Anonymous   The Eleventh Challenger for the America
                                  Cup --- ``Shamrock II''  . . . . . . . . 122--122
                      Anonymous   A New Luminous Fountain  . . . . . . . . 122--123
                      Anonymous   Vulnerability of the Superposed Turret   123--123
                      Anonymous   Business and Personal Wants  . . . . . . 124--124
        
           Henry Norris Russell   The Heavens in September . . . . . . . . 134--135
                      Anonymous   Recently Patented Inventions . . . . . . 140--140
                      Anonymous   Notes and Queries  . . . . . . . . . . . 141--141
                      Anonymous   Index of Inventions  . . . . . . . . . . 141--141
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 143--143
                      Anonymous   Germany's Industrial Crisis  . . . . . . 130--130
                      Anonymous   Vast Municipal Improvements in New York
                                  City . . . . . . . . . . . . . . . . . . 130--130
                      Anonymous   Railway Systems of the United States . . 130--131
                Marcus Benjamin   Charles Sedgwick Minot . . . . . . . . . 131--131
                      Anonymous   Exports to Porto Rico  . . . . . . . . . 131--131
                      Anonymous   Advantages of Paper Negatives  . . . . . 131--131
                      Anonymous   Cantilever Bridge on the White Pass and
                                  Yukon Railroad . . . . . . . . . . . . . 132--132
                      Anonymous   An Automobile Mower  . . . . . . . . . . 132--132
                      Anonymous   Palermo--Monreale Electric Incline . . . 133--134
                      Anonymous   Lengthening of the S. S. ``Iroquois''    136--137
                      Anonymous   A Novel Lubricator and Heater  . . . . . 138--138
                      Anonymous   The Bogue Window-Sash  . . . . . . . . . 138--138
                      Anonymous   Works of the Westinghouse Electric and
                                  Manufacturing Company  . . . . . . . . . 138--139
              Charles F. Holder   The Turtles of Galapagos . . . . . . . . 139--140
                      Anonymous   Business and Personal Wants  . . . . . . 141--141
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 7--7
                      Anonymous   Recently Patented Inventions . . . . . . 11--11
                      Anonymous   Index of Inventions  . . . . . . . . . . 12--12
                      Anonymous   Notes and Queries  . . . . . . . . . . . 14--15
                      Anonymous   Retrospect of the Year 1901  . . . . . . 2--3
                      Anonymous   The Marconi Transoceanic Experiments . . 4--4
                 L. P. Gratacap   The Great Jurassic Dinosaur  . . . . . . 5--6
                      Anonymous   A Simple Mechanical Nail-Puller  . . . . 6--6
                      Anonymous   Method of Unloading Passengers from
                                  Moving Trains  . . . . . . . . . . . . . 6--6
                      Anonymous   Bread-Making by Machinery  . . . . . . . 7--7
                      Anonymous   The Craddock Tellurian . . . . . . . . . 8--8
              H. W. H. Penniman   The Santa Cruz Wave Motor  . . . . . . . 8--8
                      Anonymous   An Ether-Vapor Generator . . . . . . . . 9--10
                      Anonymous   A New System of Wireless Telegraphy  . . 10--10
                      Anonymous   Business and Personal Wants  . . . . . . 12--12
        
           Henry Norris Russell   The Heavens in March . . . . . . . . . . 167--167
                      Anonymous   Correspondence . . . . . . . . . . . . . 171--171
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 175--175
                      Anonymous   Recently Patented Inventions . . . . . . 176--176
                      Anonymous   Business and Personal Wants  . . . . . . 176--176
                      Anonymous   Index of Inventions  . . . . . . . . . . 176--178
                      Anonymous   Notes and Queries  . . . . . . . . . . . 179--179
                      Anonymous   The Fastest Long Distance Train in the
                                  World  . . . . . . . . . . . . . . . . . 166--166
                      Anonymous   Cost of Wireless Telegraphy  . . . . . . 166--166
                      Anonymous   A 70,000 Horse Power Plant . . . . . . . 166--166
                      Anonymous   How Various Countries Subsidize their
                                  Mercantile Marine  . . . . . . . . . . . 166--167
                      Anonymous   Earth Telephone Experiments of M.
                                  Ducretet . . . . . . . . . . . . . . . . 167--167
                      Anonymous   Science Notes  . . . . . . . . . . . . . 167--167
                      Anonymous   A New Type of Motor Car  . . . . . . . . 168--168
            William S. Crandall   A Pneumatic Fire Escape and Tower  . . . 168--168
                Frederick Moore   Test of the New Floating Drydock at
                                  Algiers, La  . . . . . . . . . . . . . . 169--169
           A. Frederick Collins   The Guarini Repeating Wireless Telegraph
                                  System . . . . . . . . . . . . . . . . . 169--170
                 Waldon Fawcett   Ore Handling at Furnaces . . . . . . . . 172--173
                      Anonymous   The Villard Flying Machine . . . . . . . 173--173
                      Anonymous   A New Level and Plumb  . . . . . . . . . 174--174
                      Anonymous   Electrical Hot-Water Heating System  . . 174--174
                      Anonymous   Simple and Interesting Inventions  . . . 174--175
        
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 190--190
                      Anonymous   Recently Patented Inventions . . . . . . 192--193
                      Anonymous   Index of Inventions  . . . . . . . . . . 193--195
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 195--196
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 197--197
                      Anonymous   Notes and Queries  . . . . . . . . . . . 197--197
                      Anonymous   The New Cunard Liners  . . . . . . . . . 182--182
                      Anonymous   The Park Avenue Hotel Fire . . . . . . . 182--182
                      Anonymous   Wireless Telegraphy in Naval Warfare . . 182--182
                      Anonymous   A Pledge to Improve the Park Avenue
                                  Tunnel . . . . . . . . . . . . . . . . . 182--183
                      Anonymous   The British Naval Program for 1903 ---
                                  Reorganizing the Fleet . . . . . . . . . 183--183
               Frank C. Perkins   The Search Light in Photographic Work    184--184
                      Anonymous   The Atbara River Bridge  . . . . . . . . 184--185
                      Anonymous   The Mergenthaler--Horton Basket-Making
                                  Machinery  . . . . . . . . . . . . . . . 185--186
                      Anonymous   Electrolytic Refining of Copper  . . . . 187--187
                      Anonymous   The New York Assay Office --- Melting
                                  and Refining . . . . . . . . . . . . . . 188--189
                      Anonymous   A New Equatorial Telescope for Oxford    189--190
                      Anonymous   ``Bataclan'' --- The French Army
                                  High-Jumping Horse . . . . . . . . . . . 191--191
                      Anonymous   Business and Personal Wants  . . . . . . 193--193
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 204--204
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 210--210
                      Anonymous   Recently Patented Inventions . . . . . . 211--211
                      Anonymous   Index of Inventions  . . . . . . . . . . 212--213
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 213--213
                      Anonymous   Notes and Queries  . . . . . . . . . . . 213--215
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 215--215
                      Anonymous   The New Era for the Steam Engine . . . . 200--200
                      Anonymous   Temporary Relief at the Brooklyn Bridge  200--200
                      Anonymous   Use of Various Motors in Aerostatics . . 200--201
                  Ansley Irvine   Incomes of Successful Inventors  . . . . 201--201
                      Anonymous   Lead Mining in Wisconsin . . . . . . . . 201--201
                      Anonymous   Science Notes  . . . . . . . . . . . . . 201--201
                      Anonymous   The Motsinger Ignition Dynamo  . . . . . 202--202
              B. M. Des Jardins   The Computing Triangle . . . . . . . . . 202--203
                     R. W. Wood   Solid Carbonic Acid from ``Sparklets''   203--203
                      Anonymous   Some Disastrous Acetylene Gas Explosions 203--203
                      Anonymous   The Engines of the New York Edison Power
                                  Station  . . . . . . . . . . . . . . . . 205--205
                      Anonymous   The Cranberry Industry . . . . . . . . . 206--207
               Frank C. Perkins   Three-Phase 10,000-Volt Railway at
                                  Gross-Lichterfelde . . . . . . . . . . . 207--207
                      Anonymous   Patent Department  . . . . . . . . . . . 208--208
                      Anonymous   A New Spring Block . . . . . . . . . . . 208--208
                      Anonymous   Double-Moldboard Hilling-Up Plow . . . . 208--208
                      Anonymous   Hydrocarbon Burner . . . . . . . . . . . 208--208
                      Anonymous   Simple and Interesting Inventions  . . . 209--209
                      Anonymous   Business and Personal Wants  . . . . . . 211--212
        
           Henry Norris Russell   The Heavens in April, 1902 . . . . . . . 219--219
                      Anonymous   Correspondence . . . . . . . . . . . . . 222--222
                      Anonymous   Recently Patented Inventions . . . . . . 228--228
                      Anonymous   Business and Personal Wants  . . . . . . 228--228
                      Anonymous   Index of Inventions  . . . . . . . . . . 228--230
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 230--230
                      Anonymous   Notes and Queries  . . . . . . . . . . . 231--231
                      Anonymous   Speed on the Elevated Railroad Curves    218--218
                      Anonymous   Moving Sidewalk for the Brooklyn Bridge  218--218
                      Anonymous   Faulty Pipe Threads  . . . . . . . . . . 218--218
                      Anonymous   A Novel Turbine Destroyer  . . . . . . . 218--218
                      Anonymous   Armor Plate for the Russian Government   218--218
                      Anonymous   Fire Inspection of Hotels  . . . . . . . 218--218
                      Anonymous   Objections to the Pennsylvania Tunnel
                                  Bill . . . . . . . . . . . . . . . . . . 218--218
                      Anonymous   Sailing Vessels in the Suez Canal  . . . 218--218
                    James Asher   Electricity and Power Direct from Heat   219--219
             Irving U. Townsend   A Curious Instance of Re-Invention . . . 220--220
                      Anonymous   An Oil-Burning Water-Tube Locomotive
                                  Boiler . . . . . . . . . . . . . . . . . 220--220
                      Anonymous   Cave-in at the Park Avenue Rapid Transit
                                  Tunnel . . . . . . . . . . . . . . . . . 221--221
                      Anonymous   Shell Practice in City Armories  . . . . 222--223
                      Anonymous   The Severo Airship . . . . . . . . . . . 224--224
                      Anonymous   Automobile Department  . . . . . . . . . 225--225
                      Anonymous   Flexibility of the Frame . . . . . . . . 225--225
                      Anonymous   Automobile Coupé Built for the Sultan of
                                  Morocco  . . . . . . . . . . . . . . . . 226--226
                      Anonymous   A Novel Three-Wheel Automobile . . . . . 226--227
                      Anonymous   A Motor Sled . . . . . . . . . . . . . . 227--227
                      Anonymous   A New Water-Level Regulator for Steam
                                  Boilers  . . . . . . . . . . . . . . . . 227--227
                      Anonymous   Automobile Novelties . . . . . . . . . . 227--227
        
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 244--244
                      Anonymous   Recently Patented Inventions . . . . . . 245--245
                      Anonymous   Index of Inventions  . . . . . . . . . . 246--246
                      Anonymous   Notes and Queries  . . . . . . . . . . . 249--249
                      Anonymous   Recent Fire Losses in America  . . . . . 234--234
                      Anonymous   East River Bridge No. 3  . . . . . . . . 234--234
                      Anonymous   A Healthy Decadence  . . . . . . . . . . 234--234
                      Anonymous   Safe Explosives  . . . . . . . . . . . . 234--234
                      Anonymous   The Work of the Weather Bureau in 1901   234--234
                      Anonymous   Coming Automobile Endurance Tests  . . . 234--235
                      Anonymous   Scientific Nomenclature  . . . . . . . . 235--235
                      Anonymous   A Brief History of Street Gas  . . . . . 235--235
                      Anonymous   Science Notes  . . . . . . . . . . . . . 235--235
                Frederick Moore   The South Widening Her Field of
                                  Agriculture  . . . . . . . . . . . . . . 236--236
                      Anonymous   The Park Avenue Tunnel Cave-in . . . . . 237--237
                H. J. Shepstone   The New Bermuda Floating Dock  . . . . . 237--238
                      Anonymous   The Glass Palace in ``Beauty and the
                                  Beast''  . . . . . . . . . . . . . . . . 238--239
                John Trowbridge   Lightning above and below Water  . . . . 239--239
                      Anonymous   Reconstruction of the Union Pacific
                                  Railroad . . . . . . . . . . . . . . . . 240--240
                J. Carter Beard   Where Instinct Fails . . . . . . . . . . 241--242
                      Anonymous   Patent Department  . . . . . . . . . . . 242--242
                      Anonymous   The Chainless-Bicycle Coaster-Brake
                                  Gear-Changer . . . . . . . . . . . . . . 243--243
                      Anonymous   The Hartford Steel-Plate Exhauster . . . 243--243
                      Anonymous   The Regan Locomotive Boiler  . . . . . . 243--243
                      Anonymous   Station Indicator  . . . . . . . . . . . 243--244
                      Anonymous   Business and Personal Wants  . . . . . . 245--245
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 257--257
                      Anonymous   Recently Patented Inventions . . . . . . 263--263
                      Anonymous   Index of Inventions  . . . . . . . . . . 263--263
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 267--267
                      Anonymous   Notes and Queries  . . . . . . . . . . . 267--267
                      Anonymous   The Latest Steam Turbine Plant . . . . . 252--252
                      Anonymous   The Largest Locomotive Engine in Great
                                  Britain  . . . . . . . . . . . . . . . . 252--252
                      Anonymous   A Novel Method of Bridge Erection  . . . 252--252
                      Anonymous   American Methods for English Workmen . . 252--252
                      Anonymous   A Comparison of Water-Tube Boilers . . . 252--252
                      Anonymous   French Railway Enterprise in Abyssinia   252--253
                George E. Walsh   The Expansion of Winter Farming  . . . . 253--253
                      Anonymous   Science Notes  . . . . . . . . . . . . . 253--253
                 Waldon Fawcett   Broadside Launchings . . . . . . . . . . 254--254
                      Anonymous   The Improved Simplex Typewriter  . . . . 255--255
                      Anonymous   Night Signal for Trolley Lines . . . . . 255--255
                    A. W. Clapp   Southern Pacific New Line Across Great
                                  Salt Lake  . . . . . . . . . . . . . . . 256--256
                      Anonymous   A Water-Tube Locomotive Boiler . . . . . 256--256
                  L. C. Schafer   Capsizing of the French Bark ``Asie''    258--258
                      Anonymous   An Object Lesson in Heavy Ordnance . . . 258--258
               Day Allen Willey   Indicating and Recording the Tides . . . 259--260
                M. C. Frederick   Something about Pelicans . . . . . . . . 261--261
                      Anonymous   The Future of Photography: An Early
                                  Prophecy by Arago  . . . . . . . . . . . 262--262
                      Anonymous   Business and Personal Wants  . . . . . . 263--263
        
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 280--280
                      Anonymous   Recently Patented Inventions . . . . . . 281--281
                      Anonymous   Index of Inventions  . . . . . . . . . . 281--281
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 285--285
                      Anonymous   Notes and Queries  . . . . . . . . . . . 285--285
                      Anonymous   The American Scholarships at Oxford  . . 270--270
                      Anonymous   Unjust and Ungenerous  . . . . . . . . . 270--270
                      Anonymous   The Airship and the Aeroplane  . . . . . 270--270
                      Anonymous   Men of Wealth as Inventors . . . . . . . 270--271
                      Anonymous   Record of American Auto Shows  . . . . . 271--271
                      Anonymous   Science Notes  . . . . . . . . . . . . . 271--271
                      Anonymous   Electric Searchlight for Field Service   272--272
                      Anonymous   Railroad Train Taking Its Own Photograph 272--272
                      Anonymous   Home-Made Device for Decorating Glass    273--273
                      Anonymous   A New Variable Speed Transmission  . . . 273--274
                 Edward W. Byrn   The Mechanical Work of the Twelfth
                                  Census . . . . . . . . . . . . . . . . . 275--275
               John L. von Blon   A Boat on Wheels . . . . . . . . . . . . 276--276
               Henry L. Geissel   Some Interesting Features of the Krupp
                                  Works at Essen . . . . . . . . . . . . . 276--277
              Herman Muckermann   An Insect Geometrician . . . . . . . . . 278--278
                      Anonymous   Patent Department  . . . . . . . . . . . 279--279
                      Anonymous   The Hanson--Lee Typewriter . . . . . . . 279--280
                      Anonymous   Business and Personal Wants  . . . . . . 281--281
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 293--293
                      Anonymous   Recently Patented Inventions . . . . . . 298--299
                      Anonymous   Index of Inventions  . . . . . . . . . . 299--299
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 301--301
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 303--303
                      Anonymous   Notes and Queries  . . . . . . . . . . . 303--303
                      Anonymous   Reconstruction of West Point Academy . . 288--288
                      Anonymous   The Fleets of the World  . . . . . . . . 288--288
                      Anonymous   The Cost of Ammunition at Manila and
                                  Santiago . . . . . . . . . . . . . . . . 288--288
                      Anonymous   Report of the Prussian Commission on
                                  American Railroads . . . . . . . . . . . 288--288
                      Anonymous   Wireless Telegraphy and the Promoter . . 288--289
                Marcus Benjamin   Recent Meeting of the National Academy
                                  of Sciences in Washington  . . . . . . . 289--289
                      Anonymous   Science Notes  . . . . . . . . . . . . . 289--289
                      Anonymous   The Improvement of the Erie Canal  . . . 290--291
                      Anonymous   A Self-Starting Gasoline Motor of Novel
                                  Design . . . . . . . . . . . . . . . . . 291--291
                      Anonymous   A Gas-Engine Friction Clutch . . . . . . 291--292
                      Anonymous   The Manufacture of Steel Rails . . . . . 292--292
                      Anonymous   A Canal Excavator for Java . . . . . . . 294--294
                 S. Frank Aaron   Insects in Winter  . . . . . . . . . . . 295--295
                      Anonymous   Breaking up 15-Inch Cast-Iron Guns . . . 295--296
                      Anonymous   An Acetylene Wireless Telephone
                                  Apparatus  . . . . . . . . . . . . . . . 296--296
                      Anonymous   Roman Forum Excavations  . . . . . . . . 297--297
                      Anonymous   Business and Personal Wants  . . . . . . 299--299
        
           Henry Norris Russell   The Heavens in May . . . . . . . . . . . 307--307
                      Anonymous   Recently Patented Inventions . . . . . . 316--316
                      Anonymous   Index of Inventions  . . . . . . . . . . 317--317
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 318--318
                      Anonymous   Notes and Queries  . . . . . . . . . . . 320--320
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 321--321
                      Anonymous   The Panama Canal Treaty  . . . . . . . . 306--306
                      Anonymous   Great Steamship Combine  . . . . . . . . 306--306
                      Anonymous   Steering with Twin-Screw Engines . . . . 306--306
                      Anonymous   Combining the Airship and the Aeroplane  306--306
                      Anonymous   Sanitary Condition of Street Cars  . . . 306--307
                      Anonymous   Lord Kelvin --- England's Greatest
                                  Living Scientist . . . . . . . . . . . . 307--307
                      Anonymous   New Airship Under Construction for the
                                  British War Office . . . . . . . . . . . 308--308
                      Anonymous   Powerful Locomotive for Suburban Service 308--309
                      Anonymous   The Growth of the Transatlantic
                                  Steamship  . . . . . . . . . . . . . . . 309--310
               Frank C. Perkins   Underground Electric Railways Abroad . . 311--311
            S. Harbert Hamilton   The Sisal Industry in the Bahamas  . . . 312--312
               Day Allen Willey   Mechanism for Predicting the Tides . . . 312--313
                      Anonymous   Zuni, an Ancient City of the Pueblos . . 313--314
                      Anonymous   Patent Department  . . . . . . . . . . . 314--315
                      Anonymous   Adjustable Claw-Bar  . . . . . . . . . . 315--315
                      Anonymous   Oddities in Inventions . . . . . . . . . 315--315
                      Anonymous   Automatic Drive-Gate . . . . . . . . . . 315--315
                      Anonymous   Tree-Stand . . . . . . . . . . . . . . . 315--315
                      Anonymous   Business and Personal Wants  . . . . . . 317--317
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 329--330
                      Anonymous   Recently Patented Inventions . . . . . . 334--334
                      Anonymous   Index of Inventions  . . . . . . . . . . 334--334
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 339--339
                      Anonymous   Notes and Queries  . . . . . . . . . . . 339--339
                      Anonymous   Fastest Authentic Railroad Run on Record 324--324
                      Anonymous   Perils of Submarine Navigation . . . . . 324--324
                      Anonymous   The Gathmann Gun Again . . . . . . . . . 324--324
                      Anonymous   Fessenden's Electric Wave-Detector . . . 324--324
                      Anonymous   Attuned Wireless Telegraphy  . . . . . . 324--324
                      Anonymous   The Naval Appropriation Bill . . . . . . 324--325
                      Anonymous   American and British Locomotives in
                                  Egypt  . . . . . . . . . . . . . . . . . 325--325
                      Anonymous   The Recent Automobile Endurance Test . . 325--325
                      Anonymous   Science Notes  . . . . . . . . . . . . . 325--325
                      Anonymous   The New Japanese Battleship ``Mikasa''   326--327
                      Anonymous   New System of Street Cleaning  . . . . . 327--327
                      Anonymous   The Testing of Highspeed Engines . . . . 327--328
                      Anonymous   Experiments of M. Curie  . . . . . . . . 328--328
                      Anonymous   Ash-Sifter . . . . . . . . . . . . . . . 328--328
                      Anonymous   A New Means of Using Compressed Air in
                                  the Manufacture of Glassware . . . . . . 329--329
                      Anonymous   London Smoke Deposits  . . . . . . . . . 330--330
               Day Allen Willey   Novel Uses for the Trolley Current . . . 330--332
                      Anonymous   A New Stereopticon Light . . . . . . . . 332--332
              Charles F. Holder   Tameness of Wild Animals . . . . . . . . 333--333
                      Anonymous   Business and Personal Wants  . . . . . . 334--334
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 22--23
                      Anonymous   Recently Patented Inventions . . . . . . 28--28
                      Anonymous   Index of Inventions  . . . . . . . . . . 28--28
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 31--31
                      Anonymous   Notes and Queries  . . . . . . . . . . . 31--31
                      Anonymous   The Alcohol Motor and Its Possibilities  18--18
                      Anonymous   Large Stationary and Marine Engine Units 18--18
                      Anonymous   Automatic Closing of Watertight
                                  Bulkheads  . . . . . . . . . . . . . . . 18--18
                  Ansley Irvine   The First Iron Vessel in Great Britain   18--19
                Marcus Benjamin   Clarence King  . . . . . . . . . . . . . 19--19
                      Anonymous   Science Notes  . . . . . . . . . . . . . 19--19
                      Anonymous   A Hardware Locomotive  . . . . . . . . . 20--20
                      Anonymous   The Launch of the Battleship
                                  ``Missouri'' . . . . . . . . . . . . . . 20--20
                      Anonymous   Opening the Power Station of the
                                  Manhattan Elevated Railway . . . . . . . 21--22
                Thomas R. Baker   A Contrivance for Collecting Atmospheric
                                  Dust for Microscopic Examination . . . . 22--22
                 Waldon Fawcett   Making Roads by Machinery  . . . . . . . 24--25
                      Anonymous   The Nernst Lamp  . . . . . . . . . . . . 25--26
                      Anonymous   Patent Department  . . . . . . . . . . . 26--27
                      Anonymous   An Automatic Car Tipple for Mine
                                  Railways . . . . . . . . . . . . . . . . 27--27
                      Anonymous   A New Rotary Engine  . . . . . . . . . . 27--27
                      Anonymous   Business and Personal Wants  . . . . . . 28--28
        
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 352--352
                      Anonymous   Recently Patented Inventions . . . . . . 354--354
                      Anonymous   Index of Inventions  . . . . . . . . . . 355--355
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 357--357
                      Anonymous   Notes and Queries  . . . . . . . . . . . 357--357
                      Anonymous   Our Vast Steel Industry  . . . . . . . . 342--342
                      Anonymous   The Stations of the Rapid Transit Subway 342--342
                      Anonymous   Electricity or Steam for High-Speed
                                  Railways . . . . . . . . . . . . . . . . 342--342
                      Anonymous   Roentgen Ray Burns . . . . . . . . . . . 342--342
                      Anonymous   Guarding against the Submarine . . . . . 342--343
                      Anonymous   The United States and the Metric System  343--343
                      Anonymous   Admiral Sampson  . . . . . . . . . . . . 343--343
                      Anonymous   The Photorama  . . . . . . . . . . . . . 344--345
                      Anonymous   The Venice of Long Island  . . . . . . . 345--345
                      Anonymous   Manufacture of Steel Rails --- II  . . . 346--347
                      Anonymous   A New Heater . . . . . . . . . . . . . . 347--347
               Frank C. Perkins   The Introduction of the Steam Turbine
                                  for Light and Power Work . . . . . . . . 348--349
       Charles Frederick Holder   Buttes and their Formation . . . . . . . 349--350
                      Anonymous   Automobile Department  . . . . . . . . . 350--350
                      Anonymous   The Simms Armored War-Car  . . . . . . . 350--351
                      Anonymous   Some Modern Automobile Accumulators  . . 351--352
              Walter L. Beasley   Monster Crustaceans at the American
                                  Museum of Natural History  . . . . . . . 353--353
                      Anonymous   Business and Personal Wants  . . . . . . 355--355
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 364--364
                      Anonymous   Recently Patented Inventions . . . . . . 370--370
                      Anonymous   Index of Inventions  . . . . . . . . . . 370--370
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 372--372
                      Anonymous   Notes and Queries  . . . . . . . . . . . 373--373
                      Anonymous   Volcanic Eruptions and the Isthmian
                                  Canal  . . . . . . . . . . . . . . . . . 360--360
                      Anonymous   Havana Transformed . . . . . . . . . . . 360--360
                      Anonymous   Liquid Fuel for Steamships . . . . . . . 360--360
                      Anonymous   Fusion of Quartz . . . . . . . . . . . . 360--361
                      Anonymous   A New Revised Design Patent Law  . . . . 361--361
                  Ernest Ashley   The British Submarines . . . . . . . . . 361--361
                      Anonymous   Science Notes  . . . . . . . . . . . . . 361--361
                      Anonymous   A Novel Tool-Grinding Attachment . . . . 362--362
                      Anonymous   Total Wreck of the Severo Airship  . . . 362--363
                 Waldon Fawcett   The Latest Advance in Wireless Telephony 363--363
                      Anonymous   The Disaster in the West Indies and Its
                                  Explanation  . . . . . . . . . . . . . . 365--365
                 Waldon Fawoett   Handling Material in Shipyards . . . . . 366--368
          Isaac Taylor Headland   Queer Chinese Trees  . . . . . . . . . . 368--368
              Walter L. Beasley   Story of the Fishskin Garments of the
                                  Amur Tribes of East Siberia  . . . . . . 368--368
                      Anonymous   Patent Department  . . . . . . . . . . . 369--369
                      Anonymous   Lathe Attachment . . . . . . . . . . . . 369--369
                      Anonymous   Illuminated Indian Club  . . . . . . . . 369--369
                      Anonymous   Business and Personal Wants  . . . . . . 370--370
        
                      Anonymous   Recently Patented Inventions . . . . . . 386--386
                      Anonymous   Index of Inventions  . . . . . . . . . . 386--386
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 388--388
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 389--389
                      Anonymous   Notes and Queries  . . . . . . . . . . . 389--389
                      Anonymous   Fireproof Mail Cars  . . . . . . . . . . 376--376
                      Anonymous   Early Use of the Water-Tube Locomotive
                                  Boiler . . . . . . . . . . . . . . . . . 376--376
                      Anonymous   Dangers of Peddled Ice Cream . . . . . . 376--376
                      Anonymous   The Expansion of our Foreign Commerce    376--376
                      Anonymous   The Imperfect Definition of the
                                  Photographic Image on Dry Plates . . . . 376--377
           Henry Norris Russell   The Heavens in June  . . . . . . . . . . 377--377
                 Alton D. Adams   Inspection of Gas Meters . . . . . . . . 377--377
                      Anonymous   Progressive-Motion Ore-Conveyer  . . . . 378--378
                 Edward W. Byrn   The Unveiling of the Rochambeau Statue   378--379
                      Anonymous   Hygienic Mechanical Bread-Making . . . . 379--380
                      Anonymous   Sinking the Caissons for East River
                                  Bridge No. 3 . . . . . . . . . . . . . . 381--381
                      Anonymous   Pompeii  . . . . . . . . . . . . . . . . 382--382
                M. C. Frederick   Cynips Polycera  . . . . . . . . . . . . 382--383
                 Waldon Fawcett   Railroads in Cuba  . . . . . . . . . . . 383--384
                      Anonymous   The Nice--Turbie Race  . . . . . . . . . 384--384
                      Anonymous   An Oscillating Compound Steam Engine of
                                  Novel Design . . . . . . . . . . . . . . 384--385
                      Anonymous   Wave and Tide Motor  . . . . . . . . . . 385--385
                      Anonymous   Lamp-Hanger  . . . . . . . . . . . . . . 385--385
                      Anonymous   Friction Clutch Pulley . . . . . . . . . 385--385
                      Anonymous   The Nation's Baskets . . . . . . . . . . 386--386
                      Anonymous   Business and Personal Wants  . . . . . . 386--386
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 397--397
                      Anonymous   Recently Patented Inventions . . . . . . 402--402
                      Anonymous   Index of Inventions  . . . . . . . . . . 402--402
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 406--406
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 407--407
                      Anonymous   Notes and Queries  . . . . . . . . . . . 407--407
                      Anonymous   Seismic Disturbances and the Isthmian
                                  Canal  . . . . . . . . . . . . . . . . . 392--392
                      Anonymous   A Scientific Witness of Pelée's Eruption  392--392
                      Anonymous   Sensible View of the Steamship Combine   392--392
                      Anonymous   The House Naval Bill . . . . . . . . . . 392--392
                      Anonymous   Tubes Versus Shallow-Tunnel Railroads    392--392
              Charles F. Holder   Some Active and Extinct Volcanoes  . . . 393--393
                George E. Walsh   Valuable Minerals  . . . . . . . . . . . 393--393
                      Anonymous   Tractor-Barges on the Nivernais Canal    394--394
                      Anonymous   Setting the Heavy Granite Columns on the
                                  Hall of Records  . . . . . . . . . . . . 395--395
                      Anonymous   The Severo Airship Catastrophe . . . . . 395--396
                      Anonymous   Building of American Locomotives --- I   396--397
                      Anonymous   Vent-Closing Valve for Pumps . . . . . . 397--397
                      Anonymous   Folding Ice-Box  . . . . . . . . . . . . 397--397
                      Anonymous   Hose Made Entirely of Metal  . . . . . . 398--398
                      Anonymous   Curious Bridge at Zanesville, Ohio . . . 398--398
               Day Allen Willey   Self-Dumping Cars in Railroad
                                  Construction . . . . . . . . . . . . . . 399--400
                      Anonymous   New Form of Lippmann Electrometer  . . . 400--400
                      Anonymous   Earthquake Recorders in America  . . . . 400--400
              Charles F. Holder   The Utilization of Pampas Grass  . . . . 400--401
                      Anonymous   An Antique Bronze Head of the Roman
                                  Emperor Tiberius . . . . . . . . . . . . 401--401
              Edward Hale Brush   An Ancient Iroquois Rite . . . . . . . . 401--401
                      Anonymous   Business and Personal Wants  . . . . . . 402--402
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 414--415
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 421--421
                      Anonymous   Recently Patented Inventions . . . . . . 422--422
                      Anonymous   Index of Inventions  . . . . . . . . . . 422--422
                      Anonymous   Books: New Books . . . . . . . . . . . . 424--424
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 425--425
                      Anonymous   Notes and Queries  . . . . . . . . . . . 425--425
                      Anonymous   Naval Bureau Chiefs and the Submarine
                                  Boat . . . . . . . . . . . . . . . . . . 410--410
                      Anonymous   A Daring Investigation of Mont Pelée  . . 410--410
                      Anonymous   The Commercial Prospects of Africa . . . 410--411
                Marcus Benjamin   Chemical Indexing by the Patent Office   411--411
                      Anonymous   Sinking a Shaft by Freezing  . . . . . . 411--411
                    A. W. Clapp   Preliminary Work on the \$3,000,000
                                  {Government} Contract in the
                                  {Philippines}  . . . . . . . . . . . . . 411--411
                      Anonymous   Moving a Large Railway Bridge  . . . . . 412--412
                      Anonymous   The Electric Road of Berthoud--Thoune,
                                  Switzerland  . . . . . . . . . . . . . . 413--414
              William R. Brooks   The Brooks Comet of 1902 . . . . . . . . 414--414
               Frank C. Perkins   The Modern use of Electricity in
                                  Printing . . . . . . . . . . . . . . . . 415--415
                      Anonymous   Early British Double-Turreted Monitors   416--416
               W. Frank M'clure   Bee-Culture  . . . . . . . . . . . . . . 416--418
                      Anonymous   Railroad Freight Handling in New York
                                  City . . . . . . . . . . . . . . . . . . 418--419
                      Anonymous   The Baker Electric Racing Automobile . . 419--419
                      Anonymous   Patent Department  . . . . . . . . . . . 420--420
                      Anonymous   Planter  . . . . . . . . . . . . . . . . 420--420
                      Anonymous   Utilizing the Tube Space in Bicycle
                                  Frames . . . . . . . . . . . . . . . . . 420--421
                      Anonymous   Business and Personal Wants  . . . . . . 422--422
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 433--433
                      Anonymous   Recently Patented Inventions . . . . . . 437--437
                      Anonymous   Index of Inventions  . . . . . . . . . . 437--440
                      Anonymous   Books: New Books . . . . . . . . . . . . 440--441
                      Anonymous   Notes and Queries  . . . . . . . . . . . 441--441
                      Anonymous   Analysis of the Recent Automobile
                                  Endurance Test and Speed Trials  . . . . 428--428
                      Anonymous   Practical Application of Scientific
                                  Education in Germany . . . . . . . . . . 428--428
                      Anonymous   Richard L. Maddox, M.D.  . . . . . . . . 428--429
          William Gilbert Irwin   The Development of the Sault Ste. Marie
                                  Canal  . . . . . . . . . . . . . . . . . 429--429
               Day Allen Willet   Making Fifty-Ton Anchor Chains . . . . . 429--429
                 Waldon Fawcett   Silkworm Culture in America  . . . . . . 430--431
                J. Carter Beard   Reflex Action of Plants as Compared with
                                  the Instincts of Insects . . . . . . . . 431--432
                      Anonymous   Mixing Pump  . . . . . . . . . . . . . . 432--432
                      Anonymous   The Ruins of St. Pierre  . . . . . . . . 433--433
                George J. Jones   Extraordinary Trench Digging . . . . . . 434--434
                      Anonymous   A 20-Ton Traveling Electric Crane  . . . 435--435
                      Anonymous   The Elliott Book-Typewriter  . . . . . . 436--436
                      Anonymous   A New Form of Trunk  . . . . . . . . . . 436--436
                      Anonymous   Business and Personal Wants  . . . . . . 437--437
        
           Henry Norris Russell   The Heavens in July  . . . . . . . . . . 445--445
                      Anonymous   Correspondence . . . . . . . . . . . . . 449--449
                      Anonymous   Recently Patented Inventions . . . . . . 454--454
                      Anonymous   Index of Inventions  . . . . . . . . . . 455--455
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 457--458
                      Anonymous   Notes and Queries  . . . . . . . . . . . 459--459
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 459--459
                      Anonymous   The Senate Panama Canal Bill . . . . . . 444--444
                      Anonymous   Three Phase Traction in America  . . . . 444--444
                      Anonymous   Two Remarkable Railway Runs from New
                                  York to Chicago  . . . . . . . . . . . . 444--444
                      Anonymous   Government Irrigation  . . . . . . . . . 444--445
                     C. D. King   Forced and Shrink Fits . . . . . . . . . 445--445
                      Anonymous   Engineering Notes  . . . . . . . . . . . 445--445
                      Anonymous   Chevallier Electric Target . . . . . . . 446--446
                      Anonymous   The Tractor in Lumbering Operations  . . 447--448
                      Anonymous   Fiji and the Fijians . . . . . . . . . . 448--449
               Day Allen Willey   The Packing Industry of Chicago  . . . . 450--451
           A. Frederick Collins   The Grisson Continuous-Alternating
                                  Current Transformers . . . . . . . . . . 452--452
                      Anonymous   New Typewriter Keyboard  . . . . . . . . 453--453
                      Anonymous   A Recent Rear-End Collision on the New
                                  York Central Railroad  . . . . . . . . . 453--453
                      Anonymous   Crusher  . . . . . . . . . . . . . . . . 453--453
                      Anonymous   Business and Personal Wants  . . . . . . 454--454
        
                      Anonymous   Recently Patented Inventions . . . . . . 44--44
                      Anonymous   Index of Inventions  . . . . . . . . . . 45--45
                      Anonymous   Notes and Queries  . . . . . . . . . . . 47--47
                      Anonymous   The Isthmian Canal --- Historical  . . . 34--34
                      Anonymous   The Canal from the Engineering
                                  Standpoint . . . . . . . . . . . . . . . 34--34
                      Anonymous   The Canal from the Standpoint of Common
                                  Sense  . . . . . . . . . . . . . . . . . 34--34
                      Anonymous   The New York Central Tunnel Tragedy  . . 34--35
                      Anonymous   The Perfecting of the Gasoline Motor . . 35--35
                      Anonymous   Electro Optical Phenomena  . . . . . . . 35--35
                 Dwight Kempton   The Drilling of Submarine Oil Wells as
                                  Performed at Summerland, Cal . . . . . . 36--36
                      Anonymous   A Novel Harrow-Tooth . . . . . . . . . . 37--37
                      Anonymous   Alcohol Automobiles at the Paris Alcohol
                                  Exhibition . . . . . . . . . . . . . . . 37--37
                      Anonymous   The Wydts Electro-Catalytic Sparking
                                  Plug . . . . . . . . . . . . . . . . . . 37--38
                      Anonymous   A Lever-Device for Oil-Rods  . . . . . . 38--38
          James Harold Thompson   The Year of 1901 in the Klondike . . . . 38--38
                      Anonymous   A Comparison of the Panama and Nicaragua
                                  Canal Routes . . . . . . . . . . . . . . 39--39
                      Anonymous   Some Experiments with Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 40--41
               Frank C. Perkins   Shawenegan Falls Power Plant . . . . . . 41--42
              Frederic A. Lucas   Constructing an Extinct Monster from
                                  Fossil Remains . . . . . . . . . . . . . 43--43
                      Anonymous   Business and Personal Wants  . . . . . . 44--45
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 54--55
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 61--61
                      Anonymous   Recently Patented Inventions . . . . . . 62--62
                      Anonymous   Index of Inventions  . . . . . . . . . . 62--62
                      Anonymous   Notes and Queries  . . . . . . . . . . . 65--65
                      Anonymous   The Wrecked New Haven Car in the Tunnel
                                  Accident . . . . . . . . . . . . . . . . 50--50
                      Anonymous   The Electric Elevated Trains . . . . . . 50--50
                      Anonymous   Target Practice in the United States
                                  Navy . . . . . . . . . . . . . . . . . . 50--50
                      Anonymous   A New Trade Route to Persia  . . . . . . 50--51
                Edmund O. Hovey   The Annual Meeting of the Geological
                                  Society of America . . . . . . . . . . . 51--51
                      Anonymous   A Scarcity of Officers in the Merchant
                                  Marine . . . . . . . . . . . . . . . . . 51--51
                      Anonymous   Successful Wireless Telegraphy at Sea    51--51
                      Anonymous   The Welsbach Gasoline Burner . . . . . . 52--52
                      Anonymous   Novel Steam Turbine and Dynamo
                                  Combination  . . . . . . . . . . . . . . 52--52
                      Dolezalek   The Langen Suspended Railway of
                                  Bar-Men-Vohwinkel-El-Berfeld . . . . . . 53--54
                    E. T. Mills   Trades and Crafts in the Old Spanish
                                  Missions . . . . . . . . . . . . . . . . 56--57
                      Anonymous   Feeding a 26-Foot Python . . . . . . . . 57--57
                      Anonymous   Proposed Solution of the New York
                                  Central Terminal Problem . . . . . . . . 58--58
                      Anonymous   Device for Preventing Shipwrecks . . . . 59--59
                      Anonymous   Tire-Repairing Tool  . . . . . . . . . . 59--59
                      Anonymous   A Mechanical Vegetable-Cutter  . . . . . 59--59
                      Anonymous   An Improved Nut-Lock . . . . . . . . . . 59--59
                      Anonymous   Some New Interesting Inventions  . . . . 60--60
                      Anonymous   Business and Personal Wants  . . . . . . 62--62
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 72--72
           Henry Norris Russell   The Heavens in February  . . . . . . . . 73--73
                      Anonymous   Recently Patented Inventions . . . . . . 77--77
                      Anonymous   Index of Inventions  . . . . . . . . . . 78--78
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 80--80
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 81--81
                      Anonymous   Notes and Queries  . . . . . . . . . . . 81--81
                      Anonymous   Recommendation of the Panama Route . . . 68--68
                      Anonymous   The Faulty Embankments of the Jerome
                                  Park Reservoir . . . . . . . . . . . . . 68--68
                      Anonymous   Long Distance Transmission . . . . . . . 68--68
                      Anonymous   Advance of the Marine Turbine  . . . . . 68--68
                      Anonymous   The Ship Subsidy Bill  . . . . . . . . . 68--69
                      Anonymous   The Supposed Dangers of Electric
                                  Traction . . . . . . . . . . . . . . . . 69--69
                      Anonymous   Two Hundred Thousand Dollars in Prizes
                                  for Airships . . . . . . . . . . . . . . 69--69
                      Anonymous   Verdict in New York Central Tunnel Wreck
                                  Inquest  . . . . . . . . . . . . . . . . 69--69
                      Anonymous   A Fire Alarm Whistle Blown by Gas  . . . 70--70
                      Anonymous   Lifting Jack for Electric Cars . . . . . 70--70
                      Anonymous   The Great Clearing Yard at Chicago . . . 70--71
                      Anonymous   A Self-Feathering Paddle-Wheel . . . . . 71--71
               Day Allen Willey   Scientific Methods of Moving Trees . . . 71--72
                      Anonymous   The Pennsylvania Railroad Tunnel Bridge  72--72
                Frederick Moore   Work of the Isthmian Canal Engineers . . 73--73
              Charles F. Holder   Some Trees and Forests of California . . 74--74
                H. J. Shepstone   The Marconi School of Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 74--75
                      Anonymous   The Experimental Study of the Motion of
                                  Fluids . . . . . . . . . . . . . . . . . 75--76
                      Anonymous   Modeling in Beach Sand . . . . . . . . . 76--76
                      Anonymous   Business and Personal Wants  . . . . . . 78--78
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 88--89
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 94--94
                      Anonymous   Recently Patented Inventions . . . . . . 95--95
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 95--95
                      Anonymous   Index of Inventions  . . . . . . . . . . 96--96
                      Anonymous   Notes and Queries  . . . . . . . . . . . 97--97
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 99--99
                      Anonymous   Lessons of the Murray Hill Explosion . . 84--84
                      Anonymous   Frailty of Torpedo Boat Destroyers . . . 84--84
                      Anonymous   Subterranean Temperature . . . . . . . . 84--84
                      Anonymous   The East River Bridge from the
                                  Standpoint of Art  . . . . . . . . . . . 84--84
                      Anonymous   Railway Workmen and Disbursements  . . . 84--85
                 Alton D. Adams   Practical Value of Nernst Lamps  . . . . 85--85
                      Anonymous   Science Notes  . . . . . . . . . . . . . 85--85
                      Anonymous   Construction of the Aspen Tunnel . . . . 86--86
                      Anonymous   The Manufacture of Submarine Cables  . . 87--88
                      Anonymous   Explosion of Dynamite at the Rapid
                                  Transit Subway . . . . . . . . . . . . . 90--91
               Frank C. Perkins   High-Speed German Railway at Zossen  . . 91--92
                      Anonymous   Profit in Patented Inventions  . . . . . 92--93
                      Anonymous   Interesting New Inventions . . . . . . . 93--94
                      Anonymous   Business and Personal Wants  . . . . . . 96--96
        
                      Anonymous   Recently Patented Inventions . . . . . . 112--112
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 112--112
                      Anonymous   Index of Inventions  . . . . . . . . . . 112--112
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 115--115
                      Anonymous   Notes and Queries  . . . . . . . . . . . 115--115
                      Anonymous   Possibilities of a Steel Panic . . . . . 102--102
                      Anonymous   Germany's Export Trade in Her Hour of
                                  Need . . . . . . . . . . . . . . . . . . 102--102
                      Anonymous   Double-Decking the Brooklyn Bridge . . . 102--102
                      Anonymous   The Torpedo-Boat Fiasco  . . . . . . . . 102--102
                      Anonymous   Reclaiming Our Coast Lands . . . . . . . 102--103
                      Anonymous   A New Polar Expedition . . . . . . . . . 103--103
                      Anonymous   New Salt of Glucinium  . . . . . . . . . 103--103
                      Anonymous   Science Notes  . . . . . . . . . . . . . 103--103
                 Waldon Fawcett   Mail Transportation in Cities  . . . . . 104--104
              George M. Hopkins   Home-Made Electric Night Lamp  . . . . . 105--105
                      Anonymous   Curious Horn Growth  . . . . . . . . . . 105--105
                      Anonymous   Portable Coal-Loading Machine  . . . . . 105--106
             Parker S. Simonsen   How to Make a Cheap Hydrometer . . . . . 106--106
                      Anonymous   The New York Assay Office  . . . . . . . 107--107
                      Anonymous   The Improvement of Washington  . . . . . 108--109
                   Mary Proctor   The Yerkes Observatory Two-Foot
                                  Reflector  . . . . . . . . . . . . . . . 109--110
              Charles F. Holder   A Pigeon Ranch . . . . . . . . . . . . . 111--111
                      Anonymous   Business and Personal Wants  . . . . . . 112--112
        
                      Anonymous   Recently Patented Inventions . . . . . . 128--128
                      Anonymous   Index of Inventions  . . . . . . . . . . 128--128
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 130--130
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 131--131
                      Anonymous   Notes and Queries  . . . . . . . . . . . 131--131
                      Anonymous   Revival of the Old Hudson River Tunnel
                                  Scheme . . . . . . . . . . . . . . . . . 118--118
                      Anonymous   The Darien or San Blas Tunnel Canal
                                  Route  . . . . . . . . . . . . . . . . . 118--118
                      Anonymous   Naval Development during the Next Decade 118--119
                      Anonymous   Steam Boiler Inspection  . . . . . . . . 119--119
                      Anonymous   Our Forthcoming Automobile and Outing
                                  Number . . . . . . . . . . . . . . . . . 119--119
                      Anonymous   Science Notes  . . . . . . . . . . . . . 119--119
                      Anonymous   A Variable Speed Gear for Pumps  . . . . 120--120
                 Waldon Fawcett   Photographing by Electric Headlight  . . 120--120
                      Anonymous   A Simple Method of Etching Pictures  . . 121--121
                      Anonymous   The Santos-Dumont Airship No. 7  . . . . 121--121
                      Anonymous   The New Redheugh Bridge at
                                  Newcastle-On-Tyne  . . . . . . . . . . . 122--122
                      Anonymous   Improved Railjoint . . . . . . . . . . . 122--123
                     Enos Brown   Winter Railroading in Alaska . . . . . . 124--125
                      Anonymous   Some Aeronautical Experiments  . . . . . 125--126
                      Anonymous   The Duke of Saxe-Coburg-Gotha's
                                  Collection of Nefs . . . . . . . . . . . 126--127
                 L. P. Gratacap   The Sands of Cape Cod  . . . . . . . . . 127--127
                      Anonymous   Business and Personal Wants  . . . . . . 128--128
        
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--156
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 158--158
                      Anonymous   Notes and Queries  . . . . . . . . . . . 159--159
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 161--161
                      Anonymous   Recently Patented Inventions . . . . . . 161--161
                      Anonymous   Introductory . . . . . . . . . . . . . . 134--134
                      Anonymous   The Automobile on the Stage  . . . . . . 134--134
                      Anonymous   Special Features at the Chicago Show . . 134--134
                    Hrolf Wisby   A Practical Automobile Touring Outfit    134--135
                      Anonymous   Automobile Notes . . . . . . . . . . . . 135--135
                      Anonymous   Steam Carriages  . . . . . . . . . . . . 136--137
                      Anonymous   The Stearns Steam Station Wagon  . . . . 137--137
                      Anonymous   The Lane Steam Carriage  . . . . . . . . 138--138
                      Anonymous   The Overman Steam Automobile . . . . . . 139--139
                      Anonymous   The Grout Queen Stanhope . . . . . . . . 139--139
                      Anonymous   Gasoline Automobiles . . . . . . . . . . 140--140
                      Anonymous   The Knox Two and Four-Passenger Carriage 140--141
                      Anonymous   The Emperor's Yacht ``Meteor III'' . . . 141--141
                      Anonymous   Gasoline Automobiles --- 1902 Models . . 141--143
                      Anonymous   High Speed Twin-Screw Yacht ``Vixen''    143--143
                      Anonymous   The Marine Automobile  . . . . . . . . . 143--144
                      Anonymous   The Cycle Whirl  . . . . . . . . . . . . 144--144
                      Anonymous   An Automobile Sled . . . . . . . . . . . 145--145
                      Anonymous   A Bicycle-Driven Catamaran . . . . . . . 145--145
                      Anonymous   A Snow Bicycle . . . . . . . . . . . . . 145--145
                      Anonymous   The Packard Gasoline Touring Car . . . . 146--147
                      Anonymous   The Duryea Gasoline Carriage . . . . . . 147--147
                      Anonymous   Electric Vehicles  . . . . . . . . . . . 148--148
                      Anonymous   The Houseboat ``Rancocas'' . . . . . . . 148--148
                      Anonymous   Twin-Screw Houseboat Designed for the
                                  Late Pierre Lorillard  . . . . . . . . . 149--149
                      Anonymous   Automobile Tires . . . . . . . . . . . . 150--150
                      Anonymous   Automobile Roller Axle Bearings  . . . . 152--152
                      Anonymous   Automobile Novelties . . . . . . . . . . 152--155
                      Anonymous   Business and Personal Wants  . . . . . . 155--155
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 6--7
                      Anonymous   Recently Patented Inventions . . . . . . 12--12
                      Anonymous   Index of Inventions  . . . . . . . . . . 12--12
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 15--15
                      Anonymous   Notes and Queries  . . . . . . . . . . . 15--15
                      Anonymous   Prospective Completion of the Panama
                                  Interoceanic Canal . . . . . . . . . . . 2--2
                      Anonymous   A Prussian Opinion of American Railways  2--2
                      Anonymous   The Need of a Locomotive Smoke Consumer  2--2
                William H. Hale   The American Institute of Electrical
                                  Engineers --- Great Barrington Meeting   2--3
                Marcus Benjamin   Asaph Hall . . . . . . . . . . . . . . . 3--3
                      Anonymous   Timber Railway Bridges in Australia  . . 3--4
                 Waldon Fawcett   Pneumatic Tools in Ship Yards  . . . . . 4--6
                      Anonymous   Experiments with Electro-Magnetic Waves
                                  on Mont Blanc  . . . . . . . . . . . . . 6--6
               Day Allen Willey   Rapid Transit of Material  . . . . . . . 8--9
              Charles F. Holder   Some California Lizards  . . . . . . . . 9--9
                M. C. Frederick   Santa Barbara's Big Grapevine  . . . . . 9--10
                      Anonymous   Device for Securing Door-Knobs . . . . . 10--10
                      Anonymous   A Summer Weather Water Boiler  . . . . . 10--10
                      Anonymous   Harvester Reel . . . . . . . . . . . . . 10--11
                      Anonymous   Improved Veneer Basket . . . . . . . . . 11--11
           A. Frederick Collins   A Simple and Efficient Wireless
                                  Telegraph Receiver . . . . . . . . . . . 11--11
                      Anonymous   Business and Personal Wants  . . . . . . 12--12
        
           Henry Norris Russell   The Heavens in September, 1902 . . . . . 149--149
              George M. Hopkins   Correspondence . . . . . . . . . . . . . 152--153
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 158--158
                      Anonymous   Recently Patented Inventions . . . . . . 159--159
                      Anonymous   Index of Inventions  . . . . . . . . . . 160--160
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 162--162
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 162--162
                      Anonymous   Notes and Queries  . . . . . . . . . . . 163--163
                      Anonymous   Ventilation of Underground Roads . . . . 148--148
                      Anonymous   West Point Methods for Sandhurst . . . . 148--148
                      Anonymous   A Point in Boiler Construction . . . . . 148--148
                      Anonymous   Our Fastest Battleship . . . . . . . . . 148--148
                      Anonymous   Electric Glass Smelting  . . . . . . . . 148--148
                      Anonymous   The Emerald Industry of Colombia . . . . 148--149
                      Anonymous   The Supplanting of Agriculture by
                                  Chemistry  . . . . . . . . . . . . . . . 149--149
                      Anonymous   Another Great Hydraulic Electric Power
                                  Plant  . . . . . . . . . . . . . . . . . 149--149
                      Anonymous   Where Wood Engraving Originated  . . . . 149--149
                      Anonymous   New Ten-Wheeled Passenger Engine . . . . 150--150
                      Anonymous   A New System of Sinking Shafts . . . . . 150--151
                      Anonymous   Schneider--Canet Launching Apparatus for
                                  Submarine Torpedoes  . . . . . . . . . . 151--151
                      Anonymous   Hydraulic Process for Manufacturing
                                  Gun-Cotton Charges . . . . . . . . . . . 151--152
                      Anonymous   The New York Edison Power Station  . . . 152--152
                 Waldon Fawcett   Shade-Grown Tobacco  . . . . . . . . . . 154--155
                      Anonymous   Remarkable Blasting Operations in Slate
                                  Quarries . . . . . . . . . . . . . . . . 155--155
                      Anonymous   The New Russian Battleship ``Kniaz
                                  Potemkin Tavritchesky''  . . . . . . . . 156--156
                      Anonymous   Largest Watch in the World . . . . . . . 156--156
                      Anonymous   Oddities in Inventions . . . . . . . . . 157--157
                      Anonymous   A New Saw-Clamp  . . . . . . . . . . . . 157--158
                      Anonymous   Business and Personal Wants  . . . . . . 159--159
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 170--171
                      Anonymous   Recently Patented Inventions . . . . . . 176--176
                      Anonymous   Index of Inventions  . . . . . . . . . . 176--176
                      Anonymous   Notes and Queries  . . . . . . . . . . . 177--177
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 179--179
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 180--180
                      Anonymous   The Motorman . . . . . . . . . . . . . . 166--166
                      Anonymous   ``America'' Cup Races in 1903  . . . . . 166--166
                      Anonymous   The Defenses of Long Island Sound  . . . 166--166
                      Anonymous   Electrical Treatment for Lead Poisoning  166--167
                      Anonymous   New Ways of Measuring Water  . . . . . . 167--167
                      Anonymous   The Death of Prof. Virchow . . . . . . . 167--167
                      Anonymous   Malleable Glass  . . . . . . . . . . . . 168--168
                      Anonymous   The Loomis Carbureter and Muffler  . . . 169--169
                      Anonymous   Various Applications of the Gasoline
                                  Motor  . . . . . . . . . . . . . . . . . 169--170
                      Anonymous   Headlight with a Vertical Beam . . . . . 170--170
                 Waldon Fawcett   The Enlargement of the United States
                                  Capitol  . . . . . . . . . . . . . . . . 172--172
                     E. C. Rost   Queer Craft Seen on My Travels in the
                                  Philippines, China and South America . . 173--173
                      Anonymous   Adjustable Wheelbarrow . . . . . . . . . 174--174
                      Anonymous   Automatic Chemical Fire Extinguisher . . 174--174
                      Anonymous   A Shutter Attachment . . . . . . . . . . 174--175
               James G. M'Curdy   Boring Clams of the Northwest Coast  . . 175--175
                      Anonymous   Business and Personal Wants  . . . . . . 176--176
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 187--187
                      Anonymous   Recently Patented Inventions . . . . . . 192--192
                      Anonymous   Index of Inventions  . . . . . . . . . . 192--192
                      Anonymous   Notes and Queries  . . . . . . . . . . . 195--195
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 196--196
                      Anonymous   The Speed Trials of the ``Arrow''  . . . 182--182
                      Anonymous   The Irrigation of the Nile Valley  . . . 182--182
                      Anonymous   Soft Coal for Domestic Use . . . . . . . 182--182
                      Anonymous   Distribution of Industries . . . . . . . 182--183
                      Anonymous   ``All the World's Fighting Ships'' . . . 183--183
                      Anonymous   International Mining Congress --- Butte
                                  Meeting  . . . . . . . . . . . . . . . . 183--183
             Paul Elsner Athens   Excavations at Corinth . . . . . . . . . 184--184
                      Anonymous   The Semi-Automatic Piano-Player  . . . . 185--186
                Edmund S. Smith   An Improved Drying Oven  . . . . . . . . 186--186
                      Anonymous   The Steam Yacht ``Arrow'' --- The
                                  Fastest Boat in the World  . . . . . . . 188--189
                      Anonymous   The Nile Irrigation Works  . . . . . . . 189--191
                      Anonymous   Universal Workholder . . . . . . . . . . 191--191
                      Anonymous   An Improved Knife  . . . . . . . . . . . 191--191
                      Anonymous   A Stall for Horses or Cattle . . . . . . 191--191
                      Anonymous   A New Type of Water Cooler . . . . . . . 191--191
                      Anonymous   Business and Personal Wants  . . . . . . 192--192
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 203--203
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 208--208
                      Anonymous   Recently Patented Inventions . . . . . . 209--209
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 210--210
                      Anonymous   Notes and Queries  . . . . . . . . . . . 212--212
                      Anonymous   Excellent Progress on the New York
                                  Subway . . . . . . . . . . . . . . . . . 198--198
                      Anonymous   Long Life vs The Scrap Heap  . . . . . . 198--198
                      Anonymous   The Latest Atlantic Steamship  . . . . . 198--198
                      Anonymous   The Return of Lieut. Peary . . . . . . . 198--198
           Henry Norris Russell   The Heavens in October, 1902 . . . . . . 199--199
                      A. Gehlen   The First Map Bearing the Name of
                                  America  . . . . . . . . . . . . . . . . 199--199
                      Anonymous   Portable Engine Boiler Explosion . . . . 200--200
                      Anonymous   Most Powerful Express Locomotive in
                                  Great Britain  . . . . . . . . . . . . . 200--200
                      Anonymous   Temperature and Humidity Regulators  . . 201--201
               Day Allan Willey   The War Automobile . . . . . . . . . . . 201--202
                      Anonymous   The Rapid Transit Subway, New York . . . 202--203
              Charles F. Holder   Town Making a Science  . . . . . . . . . 204--205
                      Anonymous   The Jaubert Method of Producing Oxygen
                                  Gas  . . . . . . . . . . . . . . . . . . 205--206
                      Anonymous   Patent Department  . . . . . . . . . . . 206--206
                      Anonymous   Ventilated Hat . . . . . . . . . . . . . 207--207
                      Anonymous   Gurgless Jug . . . . . . . . . . . . . . 207--207
                      Anonymous   Magnetically-Supported Train . . . . . . 207--207
                      Anonymous   Mop-Wringers . . . . . . . . . . . . . . 207--207
                      Anonymous   Combined Horn and Bell . . . . . . . . . 207--208
                      Anonymous   Business and Personal Wants  . . . . . . 209--209
                      Anonymous   Index of Inventions  . . . . . . . . . . 210--210
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 217--217
                      Anonymous   Correspondence . . . . . . . . . . . . . 221--221
                      Anonymous   Recently Patented Inventions . . . . . . 227--227
                      Anonymous   Index of Inventions  . . . . . . . . . . 227--227
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 229--229
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 230--230
                      Anonymous   Notes and Queries  . . . . . . . . . . . 231--231
                      Anonymous   Fuel Oil in the Merchant Marine  . . . . 216--216
                      Anonymous   Important Speed Tests of Steam and
                                  Electric Trains  . . . . . . . . . . . . 216--216
                      Anonymous   The Collapse of the Campanile --- The
                                  Cause  . . . . . . . . . . . . . . . . . 216--217
         George Ethelbert Walsh   Protecting Our Wild Animals  . . . . . . 217--217
                      Anonymous   Paris Metropolitan Railroad --- New
                                  Systems  . . . . . . . . . . . . . . . . 218--218
                      Anonymous   Electric Call  . . . . . . . . . . . . . 219--219
                 Waldon Fawcett   Modern Pile Drivers  . . . . . . . . . . 219--220
           A. Frederick Collins   Some New Detectors for Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 220--221
                      Anonymous   The Manufacture of Tin Plate --- I . . . 221--221
                      Anonymous   The Manufacture of the New Fireproof
                                  Material Uralite . . . . . . . . . . . . 222--223
                      Anonymous   Stevens' Airship . . . . . . . . . . . . 223--224
              John G. Rothermel   Prehistoric Mexican Sign Writing . . . . 225--226
                      Anonymous   The Truffault Racer  . . . . . . . . . . 226--226
                      Anonymous   Business and Personal Wants  . . . . . . 227--227
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 235--235
                      Anonymous   Recently Patented Inventions . . . . . . 244--244
                      Anonymous   Index of Inventions  . . . . . . . . . . 244--245
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 245--246
                      Anonymous   Notes and Queries  . . . . . . . . . . . 246--246
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 250--250
                      Anonymous   Titles to the Panama Canal . . . . . . . 234--234
                      Anonymous   The British Government and the Ship
                                  Combine  . . . . . . . . . . . . . . . . 234--234
                      Anonymous   Further Development of Niagara Falls
                                  Power  . . . . . . . . . . . . . . . . . 234--234
                      Anonymous   The Water Tube Boiler Problem  . . . . . 234--234
                      Anonymous   Power from Oil in Texas  . . . . . . . . 234--235
                      Anonymous   The World's Volcano Record for 1902  . . 235--235
                      Anonymous   Two Rival Airship Ascents  . . . . . . . 235--235
                      Anonymous   Colliers for the British Navy  . . . . . 235--235
                      Anonymous   The Current Supplement . . . . . . . . . 235--235
                      Anonymous   A Sicilian Cyclone . . . . . . . . . . . 235--235
             George D. Mitchell   Razing a Big Stack with Dynamite . . . . 236--236
                  Alberta Field   The Rameses Colossus . . . . . . . . . . 236--236
                 Alfred E. Hall   Curious Effect of Lightning on a Brick
                                  Chimney  . . . . . . . . . . . . . . . . 236--236
                      Anonymous   The Electrical Manufacture of Peat-Fuel  237--238
                      Anonymous   Faller Automatic Telephone Exchange  . . 238--239
                Franklin Riffle   The Big Bend Tunnel for Power
                                  Development  . . . . . . . . . . . . . . 239--239
                     H. C. Fyfe   Experiments at St. Catherine's with Fog
                                  Signals  . . . . . . . . . . . . . . . . 240--240
              Charles F. Holder   The Chinese Press in America . . . . . . 241--241
                      Anonymous   An Improved Piano Resonator  . . . . . . 242--242
                      Anonymous   An Electric Detector of Ores . . . . . . 243--243
                      Anonymous   Puncture-Proof Inflatable Wheel  . . . . 243--243
                      Anonymous   Business and Personal Wants  . . . . . . 244--244
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 253--253
                      Anonymous   Correspondence . . . . . . . . . . . . . 257--257
                      Anonymous   Recently Patented Inventions . . . . . . 262--262
                      Anonymous   Index of Inventions  . . . . . . . . . . 263--263
                      Anonymous   Notes and Queries  . . . . . . . . . . . 265--265
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 266--266
                      Anonymous   The Pressing Need of Our Navy  . . . . . 252--252
                      Anonymous   British Criticism of American Railroads  252--252
                      Anonymous   Where Our Manufactures Go  . . . . . . . 252--252
                      Anonymous   Railroad Expansion in South Africa . . . 252--253
                      Anonymous   The Three Hundredth Anniversary of
                                  Oxford's Bodleian Library  . . . . . . . 253--253
                      Anonymous   An Example of Wireless Telegraphy's
                                  Efficiency . . . . . . . . . . . . . . . 253--253
                      Anonymous   Successful Test of a Tower Elevator  . . 253--253
                      Anonymous   The Commercial Utilization of
                                  Atmospheric Elements . . . . . . . . . . 254--255
                      Anonymous   New York--Boston Automobile Reliability
                                  Test --- The First Day's Trip  . . . . . 255--256
                      Anonymous   Improved Rail-Bearing Plate  . . . . . . 256--256
                      Anonymous   The Latest British Armored Cruiser
                                  ``Good Hope''  . . . . . . . . . . . . . 257--257
                 Waldon Fawcett   Coal Storage . . . . . . . . . . . . . . 258--259
            William Edward Ward   The Spencer Airship and its Thirty-Mile
                                  Trip . . . . . . . . . . . . . . . . . . 259--260
            Harold J. Shepstone   The Scientific Training of Wild Animals  260--261
                      Anonymous   Business and Personal Wants  . . . . . . 262--262
        
                      Anonymous   Recently Patented Inventions . . . . . . 279--279
                      Anonymous   Notes and Queries  . . . . . . . . . . . 279--279
                      Anonymous   Index of Inventions  . . . . . . . . . . 279--279
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 283--283
                      Anonymous   The Aftermath of the Coal Strike . . . . 268--268
                      Anonymous   Output of the United States Steel
                                  Corporation  . . . . . . . . . . . . . . 268--268
                      Anonymous   Electric Equipment of a Great Railroad   268--268
                      Anonymous   Balloon Trip across the Sahara . . . . . 268--268
                      Anonymous   Recent Improvements in Weaving . . . . . 268--269
                George E. Walsh   Maine's Wood Novelty Mills . . . . . . . 269--269
        William Von Brennerberg   A Textile Novelty  . . . . . . . . . . . 269--269
                      Anonymous   The De Bradsky Airship and the Tragic
                                  End of its Inventor  . . . . . . . . . . 270--271
                      Anonymous   New York--Boston Automobile Reliability
                                  Test . . . . . . . . . . . . . . . . . . 271--272
                Nicolae Ionescu   King Charles I Bridge across the Danube  272--273
                      Anonymous   Two New Incandescent Gas Burners . . . . 273--273
                      Anonymous   The Rowland Multiplex System of
                                  Page-Printing Telegraphy . . . . . . . . 274--276
                      Anonymous   Substitutes for Coal in Heating and
                                  Cooking  . . . . . . . . . . . . . . . . 276--277
                      Anonymous   A Novel Rotary Engine  . . . . . . . . . 278--278
                      Anonymous   Envelope-Sealing Machine . . . . . . . . 278--278
                      Anonymous   Business and Personal Wants  . . . . . . 279--279
        
           Henry Norris Russell   The Heavens in November  . . . . . . . . 287--287
                      Anonymous   Science Notes  . . . . . . . . . . . . . 287--287
                      Anonymous   Correspondence . . . . . . . . . . . . . 291--291
                      Anonymous   Recently Patented Inventions . . . . . . 296--296
                      Anonymous   Notes and Queries  . . . . . . . . . . . 296--296
                      Anonymous   Index of Inventions  . . . . . . . . . . 297--297
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 300--300
                      Anonymous   Street Ventilation . . . . . . . . . . . 286--286
                      Anonymous   The Steam Turbine from the Commercial
                                  Standpoint . . . . . . . . . . . . . . . 286--286
                      Anonymous   The Twenty Five Knot Cunard Steamships   286--287
                      Anonymous   Test of a Norwegian Life-Saving Boat . . 287--287
                      Anonymous   The ``Preussen,'' the World's Largest
                                  Sailing Vessel . . . . . . . . . . . . . 288--288
                      Anonymous   A Huge Meteorite Recently Discovered . . 288--288
                      Anonymous   An Ancient Fire Engine . . . . . . . . . 288--288
                      Anonymous   The Sault Ste. Marie Water Power Canal   289--290
                      Anonymous   Manufacture of Tin Plate --- II  . . . . 290--290
                      Anonymous   A Portable Windmill  . . . . . . . . . . 292--292
                      Anonymous   Ruhmer's Optic Telephone . . . . . . . . 292--292
              Walter L. Beasley   The Zapotecan Tombs Unearthed  . . . . . 293--293
                      Anonymous   Traps for the Unwary Inventor  . . . . . 294--294
                      Anonymous   Improved Drawing Compasses . . . . . . . 295--295
                      Anonymous   Tool for Withdrawing Casings from Wells  295--295
                      Anonymous   Oil Burner . . . . . . . . . . . . . . . 295--295
                      Anonymous   Saw-Tooth Tool . . . . . . . . . . . . . 295--295
                      Anonymous   Business and Personal Wants  . . . . . . 296--296
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 305--305
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 314--314
                      Anonymous   Recently Patented Inventions . . . . . . 315--315
                      Anonymous   Notes and Queries  . . . . . . . . . . . 315--316
                      Anonymous   Index of Inventions  . . . . . . . . . . 316--316
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 319--319
                      Anonymous   The Erie Canal Question  . . . . . . . . 304--304
                      Anonymous   Liquid Fuel for Naval Purposes . . . . . 304--304
                      Anonymous   A New Hydride of Silicon . . . . . . . . 304--304
                      Anonymous   Fruit Parasites and their Destruction    304--305
                      Anonymous   Recovery of Waste in Using White Metals  305--305
                Robert Grimshaw   Barometer Readings . . . . . . . . . . . 305--305
              Charles F. Holder   A Curious use for Elk Horn . . . . . . . 306--306
                      Anonymous   Explosion of a Locomotive Boiler . . . . 306--306
                 Waldon Fawcett   Hathamite  . . . . . . . . . . . . . . . 307--308
                      Anonymous   The Automatic Train Controller . . . . . 308--309
                      Anonymous   The Influence of Grades  . . . . . . . . 309--309
                      Anonymous   The Lansing Skeleton . . . . . . . . . . 310--310
                      Anonymous   The Pantheon Experiments with Foucault's
                                  Pendulum . . . . . . . . . . . . . . . . 310--311
                     Enos Brown   Dredging for Gold  . . . . . . . . . . . 311--312
                      Anonymous   The new Cover Design for United States
                                  Letters Patent . . . . . . . . . . . . . 312--312
                      Anonymous   Col. J. J. Astor Dedicates His Marine
                                  Turbine Patents to the Public  . . . . . 312--312
                      Anonymous   Oddities in Inventions . . . . . . . . . 313--313
                      Anonymous   Business and Personal Wants  . . . . . . 315--315
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 23--23
                      Anonymous   Recently Patented Inventions . . . . . . 28--28
                      Anonymous   Index of Inventions  . . . . . . . . . . 29--29
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 31--31
                      Anonymous   Notes and Queries  . . . . . . . . . . . 31--31
                      Anonymous   Title to the Panama Canal  . . . . . . . 18--18
                      Anonymous   Solution of the Bridge Terminal Problem  18--18
                      Anonymous   Science in America . . . . . . . . . . . 18--18
                      Anonymous   The ``Blindness'' of the Submarine . . . 18--19
                      Anonymous   The Metric System in the Textile
                                  Industry . . . . . . . . . . . . . . . . 19--19
                      Anonymous   The French Alcohol Automobile Endurance
                                  Test . . . . . . . . . . . . . . . . . . 19--19
                      Anonymous   Analysis of Mont Pelée's Volcanic Dust    19--19
                      Anonymous   The Paris--Vienna Automobile Race  . . . 19--19
                      Anonymous   Measuring the Rainfall --- The British
                                  Rainfall Organization and its Work . . . 20--21
                      Anonymous   A Remarkable Shipbuilding Feat, 13,000
                                  Feet above the Sea Level . . . . . . . . 21--22
                     E. C. Rost   The Famous Oroya Railroad of Peru which
                                  Climbs Higher than any Other on the
                                  Globe  . . . . . . . . . . . . . . . . . 22--22
            Harold J. Shepstone   Testing the New Bermuda Dock . . . . . . 24--24
              William R. Draper   Grass Houses of the Wichita Indians  . . 25--25
              Charles F. Holder   Armored Nests  . . . . . . . . . . . . . 25--25
                   W. E. Parker   An Experimental Motor and Dynamo . . . . 26--26
                      Anonymous   A Perplexing Puzzle  . . . . . . . . . . 26--27
                      Anonymous   Beet-Topping Device  . . . . . . . . . . 27--27
                      Anonymous   An Automatic Siphon Overflow Valve . . . 27--27
                      Anonymous   Fastening Device for Horses  . . . . . . 27--27
                      Anonymous   Business and Personal Wants  . . . . . . 28--28
                      Anonymous   Book Notices . . . . . . . . . . . . . . 30--30
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 323--323
                      Anonymous   Recently Patented Inventions . . . . . . 331--332
                      Anonymous   Notes and Queries  . . . . . . . . . . . 332--332
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 335--335
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 335--335
                      Anonymous   Municipal Architecture and the Elevated
                                  Railway  . . . . . . . . . . . . . . . . 322--322
                      Anonymous   The Arnold System of Electrical Traction 322--323
       Charles Frederick Holder   Vocal Sounds of Fishes . . . . . . . . . 323--323
               Thomas C. Harris   A Punch Centering Device . . . . . . . . 324--324
                      Anonymous   The Inclined Plane of the Morris Canal   324--324
                      Anonymous   Making a Photographic Lens . . . . . . . 324--327
               James G. McCurdy   Use of Photographs as Evidence . . . . . 328--328
                      Anonymous   Acetylene Searchlights for Automobiles   328--329
                      Anonymous   The Improved Electrograph --- a
                                  Fac-Simile Telegraph . . . . . . . . . . 329--330
                      Anonymous   Some Curious Homes . . . . . . . . . . . 330--330
                      Anonymous   De Bradsky Airship Disaster  . . . . . . 331--331
                      Anonymous   Business and Personal Wants  . . . . . . 332--332
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 343--343
                      Anonymous   Recently Patented Inventions . . . . . . 348--348
                      Anonymous   Notes and Queries  . . . . . . . . . . . 348--348
                      Anonymous   Index of Inventions  . . . . . . . . . . 348--348
                      Anonymous   The Lesson of the East River Bridge Fire 338--338
                      Anonymous   Pipe Galleries for the Broadway Tunnel   338--338
                      Anonymous   A Result of Improved Rapid Transit . . . 338--338
         George Ethelbert Walsh   The New American Lighthouse System . . . 338--339
                James Weir, Jr.   The Physiology of Certain Colors . . . . 339--339
                      Anonymous   Two New Warships for Chile . . . . . . . 339--339
                      Anonymous   Revolving Chimney Cap  . . . . . . . . . 340--340
                      Anonymous   A New Soot-Proof Spark Plug for Gasoline
                                  Motors . . . . . . . . . . . . . . . . . 340--340
                      Anonymous   An Automobile Ambulance  . . . . . . . . 340--340
                      Anonymous   Horseshoer's Box . . . . . . . . . . . . 340--340
                      Anonymous   Popp--Branly Aerial Telegraphy Systems   341--342
                      Anonymous   The New East River Bridge Fire . . . . . 344--346
                      Anonymous   The Raising of Peas and Asparagus in the
                                  West . . . . . . . . . . . . . . . . . . 346--346
                 Waldon Fawcett   The Submarine Boat ``Protector'' . . . . 346--347
                      Anonymous   Head-On Collision of Trains in Los
                                  Angeles, Cal . . . . . . . . . . . . . . 347--347
                      Anonymous   Business and Personal Wants  . . . . . . 348--348
        
           Henry Norris Russell   The Heavens in December  . . . . . . . . 355--355
                      Anonymous   Recently Patented Inventions . . . . . . 365--365
                      Anonymous   Notes and Queries  . . . . . . . . . . . 366--366
                      Anonymous   Index of Inventions  . . . . . . . . . . 366--366
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 369--369
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 369--369
                      Anonymous   Report of the Chief of the Bureau of
                                  Ordnance . . . . . . . . . . . . . . . . 354--354
                      Anonymous   Criticism of the New East River Bridge   354--354
                      Anonymous   A 200 Horse Power Motor Propelled Boat   354--355
                Marcus Benjamin   The National Academy of Sciences . . . . 355--355
                 Waldon Fawcett   The American Hemp Industry . . . . . . . 356--356
                      Anonymous   A Machine for Laying Bricks  . . . . . . 357--357
                      Anonymous   Official Trials of Our Submarine Boats   357--358
                      Anonymous   The New Beachy Head Lighthouse . . . . . 358--359
                      Anonymous   Natural Effigies . . . . . . . . . . . . 360--360
                 W. W. Campbell   The D. O. Mills Expedition to the
                                  Southern Hemisphere  . . . . . . . . . . 360--361
               Day Allen Willey   Protecting a Railroad from Flood
                                  Currents . . . . . . . . . . . . . . . . 361--362
              Walter L. Beasley   The Symbolism of the Huichol Indians . . 362--363
                      Anonymous   Patent Department  . . . . . . . . . . . 363--363
                      Anonymous   Oddities in Inventions . . . . . . . . . 364--364
                      Anonymous   Printing Frame . . . . . . . . . . . . . 364--364
                      Anonymous   Wrench . . . . . . . . . . . . . . . . . 364--364
                      Anonymous   Business and Personal Wants  . . . . . . 365--365
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 373--373
                      Anonymous   Correspondence . . . . . . . . . . . . . 376--377
                      Anonymous   Recently Patented Inventions . . . . . . 381--381
                      Anonymous   Notes and Queries  . . . . . . . . . . . 381--381
                      Anonymous   Index of Inventions  . . . . . . . . . . 382--382
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 385--385
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 385--385
                      Anonymous   The Pennsylvania Railroad Tunnel . . . . 372--372
                      Anonymous   Test of the Maximum Capacity of the
                                  Niagara Falls Tunnel . . . . . . . . . . 372--372
                      Anonymous   The Gun in Naval Warfare . . . . . . . . 372--372
                      Anonymous   The Death of Friedrich Krupp . . . . . . 372--373
             Irving U. Townsend   An American Parallel to the Tulip Craze
                                  in Holland . . . . . . . . . . . . . . . 373--373
                      Anonymous   Restoration of the Parthenon . . . . . . 373--373
                      Anonymous   Non-Freezing Hydrant . . . . . . . . . . 374--374
                      Anonymous   Reversible Screw-Propeller . . . . . . . 374--374
                      Anonymous   The Navipendulum Method of Experiment    374--375
                Orrin E. Dunlap   The New Plant of the Canadian Niagara
                                  Falls Company  . . . . . . . . . . . . . 375--376
                      Anonymous   The Manufacture of Toys and Dolls  . . . 376--376
                      Anonymous   The New Monitor ``Wyoming''  . . . . . . 378--378
          Thomas R. Dawley, Jr.   Guatemala's Earthquakes  . . . . . . . . 379--380
               Day Allen Willey   An Experimental Mono-Rail Line . . . . . 380--380
                      Anonymous   Business and Personal Wants  . . . . . . 381--381
        
                      Anonymous   Notes and Queries  . . . . . . . . . . . 419--426
                      Anonymous   Recently Patented Inventions . . . . . . 427--428
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 429--430
                      Anonymous   Index of Inventions  . . . . . . . . . . 430--434
                      Anonymous   The American Merchant Marine . . . . . . 388--389
                      Anonymous   The Two Great Freighters for the Pacific
                                  Trade  . . . . . . . . . . . . . . . . . 389--389
                      Anonymous   The Latest of the Fast Transatlantic
                                  Liners . . . . . . . . . . . . . . . . . 389--393
                      Anonymous   Provisioning a Liner for a Single
                                  Transatlantic Trip . . . . . . . . . . . 393--393
                 Waldon Fawcett   The Development of Transportation on the
                                  Great Lakes  . . . . . . . . . . . . . . 394--395
                      Anonymous   The Development of the Auxiliary Yacht   395--396
                      Anonymous   English Turbine-Propelled Yachts . . . . 396--396
                Heheert C. Fyfe   The Application of Turbine Propulsion to
                                  Passenger Vessels  . . . . . . . . . . . 396--397
                      Anonymous   A Ride to Chicago and Back on the
                                  Locomotive of the Twentieth Century
                                  Limited  . . . . . . . . . . . . . . . . 398--399
              Herberd T. Walker   Notes on the History of the American
                                  Locomotive . . . . . . . . . . . . . . . 399--402
                      Anonymous   The Railroad System of the United States 402--404
                    B. B. Adams   Block and Interlocking Signals . . . . . 404--408
                 Waldon Fawcett   Compressed Air as a Transportation Agent 408--409
                      Anonymous   A 10,000-Volt Alternating Current
                                  Locomotive for the Berlin--Zossen
                                  Experiments  . . . . . . . . . . . . . . 410--411
                      Anonymous   The Valtellina Railway --- The First
                                  Standard Three-Phase Road  . . . . . . . 412--412
                      Anonymous   The Hon. Salem H. Wales  . . . . . . . . 412--416
                      Anonymous   Air Brakes . . . . . . . . . . . . . . . 416--418
                      Anonymous   Business and Personal Wants  . . . . . . 435--438
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 441--441
                      Anonymous   Correspondence . . . . . . . . . . . . . 445--445
                      Anonymous   Recently Patented Inventions . . . . . . 451--451
                      Anonymous   Notes and Queries  . . . . . . . . . . . 452--452
                      Anonymous   Index of Inventions  . . . . . . . . . . 452--455
                      Anonymous   The Transportation Problem in New York
                                  City . . . . . . . . . . . . . . . . . . 440--440
                      Anonymous   A Proposed Duodecimal System of Weights
                                  and Measures . . . . . . . . . . . . . . 440--440
                      Anonymous   Return of the Jesup Siberian Expedition  440--440
                      Anonymous   A New Type of Auxiliary Vessel for the
                                  British Navy . . . . . . . . . . . . . . 440--441
                      Anonymous   The Hall-Marking of Gold and Silver in
                                  England  . . . . . . . . . . . . . . . . 441--441
                      Anonymous   A Pneumatic Coating Machine  . . . . . . 442--442
                     Enos Brown   Dredger for Levee Building . . . . . . . 442--442
                      Anonymous   Transporting the 16-Inch Gun to Sandy
                                  Hook . . . . . . . . . . . . . . . . . . 443--443
                      Anonymous   New York and Brooklyn Rapid Transit
                                  Subway . . . . . . . . . . . . . . . . . 444--444
            Harold J. Shepstone   Temple Models for the St. Louis
                                  Exposition . . . . . . . . . . . . . . . 446--447
                     H. C. Fyfe   A ``Scientific'' Violin  . . . . . . . . 447--447
                      Anonymous   The ``Santos-Dumont No. 9''  . . . . . . 447--448
              Walter L. Beasley   The Egyptian Paint Palettes  . . . . . . 448--448
                      Anonymous   Patent Department  . . . . . . . . . . . 449--449
                      Anonymous   Pivoted Hub  . . . . . . . . . . . . . . 449--449
                      Anonymous   The ``Stab'' Switch  . . . . . . . . . . 449--449
                      Anonymous   Lock Valve . . . . . . . . . . . . . . . 449--450
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 450--450
                      Anonymous   Business and Personal Wants  . . . . . . 452--452
                      Anonymous   Patents  . . . . . . . . . . . . . . . . 455--455
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 459--460
                      Anonymous   Correspondence . . . . . . . . . . . . . 462--462
                      Anonymous   Recently Patented Inventions . . . . . . 468--468
                      Anonymous   Notes and Queries  . . . . . . . . . . . 469--469
                      Anonymous   Index of Inventions  . . . . . . . . . . 469--472
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 473--474
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 475--475
                      Anonymous   Building American Locomotives in British
                                  Shops  . . . . . . . . . . . . . . . . . 458--458
                      Anonymous   Naval War-Game between the United States
                                  and Germany  . . . . . . . . . . . . . . 458--458
                      Anonymous   The New Railroad and Trolley Tunnels
                                  Entering New York  . . . . . . . . . . . 458--458
                      Anonymous   The Army Signal Corps  . . . . . . . . . 459--459
                      Anonymous   To our Subscribers . . . . . . . . . . . 459--459
                      Anonymous   European Sale of Pupin's Telephone
                                  Patents  . . . . . . . . . . . . . . . . 459--459
                      Anonymous   A German Ambulance Train . . . . . . . . 460--460
                      Anonymous   Machine for Removing and Disposing of
                                  Snow . . . . . . . . . . . . . . . . . . 461--461
               Howard B. Dailey   Electro-Magnetic Rotations . . . . . . . 461--462
                      Anonymous   Thomas Alva Edison . . . . . . . . . . . 463--463
              George M. Hopkins   Spectral Photography . . . . . . . . . . 464--464
                      Anonymous   The New Armored Cruisers ``Tennessee''
                                  and ``Washington'' . . . . . . . . . . . 464--466
                      Anonymous   Leading Types of 1902 French
                                  Light-Weight Automobiles . . . . . . . . 466--466
                      Anonymous   Business and Personal Wants  . . . . . . 469--469
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 39--39
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 43--43
                      Anonymous   Recently Patented Inventions . . . . . . 44--44
                      Anonymous   Index of Inventions  . . . . . . . . . . 44--44
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 47--47
                      Anonymous   Notes and Queries  . . . . . . . . . . . 47--47
                      Anonymous   The Two Important Problems of the Panama
                                  Canal  . . . . . . . . . . . . . . . . . 34--34
                      Anonymous   The Rapid Development of the
                                  Shipbuilding Industry of Japan . . . . . 34--34
                      Anonymous   Photography of Sound Waves . . . . . . . 34--34
                      Anonymous   Exhibition of Scientific Devices in
                                  Paris  . . . . . . . . . . . . . . . . . 34--35
                Marcus Benjamin   American Association for the Advancement
                                  of Science . . . . . . . . . . . . . . . 35--35
               Frank C. Perkins   Marine Steam Turbines  . . . . . . . . . 36--36
               Frank C. Perkins   First Oil-Burning Steamship Built in the
                                  United States  . . . . . . . . . . . . . 36--36
                      Anonymous   Another ``Heaviest'' Locomotive in the
                                  World  . . . . . . . . . . . . . . . . . 37--37
           A. Frederick Collins   The Collins Wireless Telephone . . . . . 37--38
                    H. H. Byrne   Through the Suez Canal on a Man-of-War   38--39
                George J. Jones   Milk in Powdered Form  . . . . . . . . . 40--41
                      Anonymous   A New Curiosity at the New York Aquarium 41--41
                      Anonymous   A Peculiar Lightning-Shattered Tree  . . 41--41
                      Anonymous   Patent Department  . . . . . . . . . . . 42--42
                      Anonymous   New Turbine Engine . . . . . . . . . . . 42--42
                      Anonymous   Electric Lamp  . . . . . . . . . . . . . 42--42
                      Anonymous   Bicycle Stands . . . . . . . . . . . . . 42--42
                      Anonymous   Pipe Puller  . . . . . . . . . . . . . . 42--43
                      Anonymous   Business and Personal Wants  . . . . . . 44--44
                      Anonymous   Book Notices . . . . . . . . . . . . . . 46--46
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 54--54
                      Anonymous   Recently Patented Inventions . . . . . . 60--60
                      Anonymous   Index of Inventions  . . . . . . . . . . 61--61
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 62--62
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 62--62
                      Anonymous   Notes and Queries  . . . . . . . . . . . 63--63
                      Anonymous   The Shipping Trust and Higher Rates  . . 50--50
                      Anonymous   The Need for Fireproof Electric Cars . . 50--50
                      Anonymous   New Cuban Patent and Trade Mark Law  . . 50--51
                      Anonymous   St. Louis Airship Prizes . . . . . . . . 51--51
                      Anonymous   The Meerschaum Industry of Turkey  . . . 51--51
                      Anonymous   Shapira the Philological Forger  . . . . 51--51
              Walter L. Beasley   A Long-Tailed Breed of Japanese Fowls    52--52
               James G. M'Curdy   Salvage of the Schooner ``Minnie A.
                                  Caine''  . . . . . . . . . . . . . . . . 52--52
                   Mary Proctor   Plans for a Great Telescope  . . . . . . 52--53
                      Anonymous   Tongue-Traction for Resuscitation of the
                                  Asphyxiated  . . . . . . . . . . . . . . 53--53
              G. E. Stonebridge   The Militia and the Colt Automatic Gun   53--54
                      Anonymous   Making the Cables on the New East River
                                  Bridge, New York . . . . . . . . . . . . 55--55
                     E. C. Rost   The Remains of Pizarro, Founder of Peru
                                  and Conqueror of the Ancient Incas . . . 56--56
                      Anonymous   The Russian Armored Cruiser ``Gromoboi'' 56--56
                      Anonymous   The Tehuantepec Railroad vs The Isthmian
                                  Canal  . . . . . . . . . . . . . . . . . 57--58
              Walter L. Beasley   Primitive Reindeer Saddle and Cradle
                                  from Northeastern Siberia  . . . . . . . 58--58
                    F. O. Jones   The Formation and Geology of the Salt
                                  Deposit  . . . . . . . . . . . . . . . . 59--59
                      Anonymous   Business and Personal Wants  . . . . . . 60--60
        
           Henry Norris Russell   The Heavens in August  . . . . . . . . . 67--67
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 75--75
                      Anonymous   Recently Patented Inventions . . . . . . 76--77
                      Anonymous   Index of Inventions  . . . . . . . . . . 77--77
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 78--78
                      Anonymous   Notes and Queries  . . . . . . . . . . . 79--79
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 81--81
                      Anonymous   Commercial Alaska  . . . . . . . . . . . 66--66
                      Anonymous   The Scarcity of Horses . . . . . . . . . 66--66
                      Anonymous   Some Old Ships . . . . . . . . . . . . . 66--66
                      Anonymous   A New Form of Radiation  . . . . . . . . 66--67
                      Anonymous   Sponge Fishing in the Levant . . . . . . 67--67
                      Anonymous   Vaporization Experiments . . . . . . . . 67--67
                  F. C. Perkins   Swiss Traveling Crane Tools  . . . . . . 68--68
                      Anonymous   The New Whipple Temperature Indicator
                                  for use with Platinum Thermometers . . . 69--69
                 Waldon Fawcett   An Automatic Lightship . . . . . . . . . 69--70
                     Enos Brown   A Redwood Lumber Plant . . . . . . . . . 70--71
                      Anonymous   The Paris--Vienna Automobile Race  . . . 72--73
                      Anonymous   A Trip Across the Atlantic in A Kerosene
                                  Boat . . . . . . . . . . . . . . . . . . 73--73
                    R. I. Geare   The Remora or Sucking-Fishes . . . . . . 73--73
                      Anonymous   Patent Department  . . . . . . . . . . . 74--74
                      Anonymous   Stock and Poultry-Feeding Device . . . . 74--74
                      Anonymous   Anti-Telescoping Train Guard . . . . . . 74--74
                      Anonymous   Neck-Yoke Attachment . . . . . . . . . . 74--75
                      Anonymous   Business and Personal Wants  . . . . . . 77--77
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 85--85
                      Anonymous   Correspondence . . . . . . . . . . . . . 89--89
                      Anonymous   Recently Patented Inventions . . . . . . 94--94
                      Anonymous   Index of Inventions  . . . . . . . . . . 95--95
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 95--95
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 97--97
                      Anonymous   Notes and Queries  . . . . . . . . . . . 97--97
                      Anonymous   A Great Engineering Feat Completed . . . 84--84
                      Anonymous   The Halifax Route to Europe  . . . . . . 84--84
                      Anonymous   The Marconi Disclaimer . . . . . . . . . 84--84
                      Anonymous   Future Transit Facilities of New York
                                  City . . . . . . . . . . . . . . . . . . 84--85
                      Anonymous   Simplon Tunnel . . . . . . . . . . . . . 85--85
                    C. E. Price   A Unique Railway . . . . . . . . . . . . 86--86
                      Anonymous   Launch of the First Seven-Masted Steel
                                  Schooner . . . . . . . . . . . . . . . . 87--87
                     C. E. Rost   Hints for Americans --- Transportation
                                  in South America . . . . . . . . . . . . 87--88
                 Robert C. Fyfe   The Great Floating Docks of Bermuda and
                                  Algiers, La  . . . . . . . . . . . . . . 88--89
                      Anonymous   The New Marconi Wireless Telegraph
                                  Station at Cape Breton . . . . . . . . . 90--91
                      Anonymous   Varied Modern Uses of the Automobile . . 91--92
                      Anonymous   A Pneumatic Water Supply System  . . . . 93--93
                      Anonymous   Improvements in Spinning Spindles  . . . 93--93
                      Anonymous   Bottle-Washing Brush . . . . . . . . . . 93--93
                      Anonymous   Business and Personal Wants  . . . . . . 94--94
        
                      Anonymous   Recently Patented Inventions . . . . . . 110--110
                      Anonymous   Index of Inventions  . . . . . . . . . . 111--111
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 112--112
                      Anonymous   Notes and Queries  . . . . . . . . . . . 113--113
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 114--114
                      Anonymous   Needless Annoyances in Ferryboat Travel  100--100
                      Anonymous   New Method of Armor Plate Making . . . . 100--100
                      Anonymous   Mid Ocean Wireless Telegraph Station . . 100--100
                      Anonymous   Some Further Gunnery Experiments with
                                  the ``Belleisle''  . . . . . . . . . . . 100--101
                      Anonymous   How Ostrich Feathers are Culled  . . . . 101--101
                      Anonymous   Military Photography . . . . . . . . . . 101--101
                      Anonymous   The Amount of Water Used in Irrigation   101--101
                      Anonymous   A Smokeless Automatic Stoker . . . . . . 102--102
                      Anonymous   The De Forest System of Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 102--103
                    Frank Yeigh   A Group of Indian Masks  . . . . . . . . 103--105
                     E. C. Rost   Mont Pelée in Eruption  . . . . . . . . . 106--108
                      Anonymous   Patent Department  . . . . . . . . . . . 108--109
                      Anonymous   Improved Grain Door  . . . . . . . . . . 109--109
                      Anonymous   System for Ventilating Tunnels . . . . . 109--109
                      Anonymous   Heater and Boiler  . . . . . . . . . . . 109--109
                      Anonymous   Business and Personal Wants  . . . . . . 110--110
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 117--117
                      Anonymous   Recently Patented Inventions . . . . . . 126--126
                      Anonymous   Index of Inventions  . . . . . . . . . . 127--127
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 128--128
                      Anonymous   Notes and Queries  . . . . . . . . . . . 129--129
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 130--130
                      Anonymous   Dynamite Cruiser Fiasco  . . . . . . . . 116--116
                      Anonymous   The Inspection of the Brooklyn Bridge    116--116
                      Anonymous   The Armstrong Orling Wireless Telegraph  116--116
                      Anonymous   Electric Traction on English Suburban
                                  Roads  . . . . . . . . . . . . . . . . . 116--116
                      Anonymous   The Greatest of Battleships  . . . . . . 116--116
                      Anonymous   Fessenden Wireless Telegraph Patents
                                  Allowed  . . . . . . . . . . . . . . . . 116--116
         George Ethelbert Walsh   The Passing of American Plagues  . . . . 117--117
                      Anonymous   Robert Bach M'Master . . . . . . . . . . 117--117
               Thomas R. Dawley   Some Recent Archaeological Discoveries
                                  in Mexico City . . . . . . . . . . . . . 118--119
                      Anonymous   Improved Picture Projecting Apparatus    119--119
                      Anonymous   Moving Large Trees . . . . . . . . . . . 119--119
                      Anonymous   Solid Rubber Tire Setting Machine  . . . 119--120
           A. Frederick Collins   Electrical Resonance and its Relation to
                                  Syntonic Wireless Telegraphy --- I . . . 120--121
                      Anonymous   The Building of American Locomotives ---
                                  II . . . . . . . . . . . . . . . . . . . 121--121
               Day Allen Willey   How Golf Clubs are made in Large
                                  Quantities . . . . . . . . . . . . . . . 122--123
                      Anonymous   The Battleships ``Connecticut'' and
                                  ``Louisiana''  . . . . . . . . . . . . . 123--124
                      Anonymous   Power from an Artesian Well  . . . . . . 124--124
                      Anonymous   Motor-Paced Race on a Cycle Whirl  . . . 125--125
                      Anonymous   Burning Oil Gusher in Louisiana  . . . . 125--125
                      Anonymous   Business and Personal Wants  . . . . . . 126--126
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 133--133
                      Anonymous   Recently Patented Inventions . . . . . . 142--142
                      Anonymous   Index of Inventions  . . . . . . . . . . 142--142
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 144--144
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 144--144
                      Anonymous   Notes and Queries  . . . . . . . . . . . 145--145
                      Anonymous   Express Trains of the Future . . . . . . 132--132
                      Anonymous   Light on the Liquid Fuel Question  . . . 132--132
                      Anonymous   The Recent ``Belleisle'' Experiments . . 132--133
                      Anonymous   George M. Hopkins  . . . . . . . . . . . 133--133
                      Anonymous   The Laying of a Pacific Cable  . . . . . 133--133
                      Anonymous   Electrified Houses . . . . . . . . . . . 133--133
                      Anonymous   A Mammoth Combined Harvester . . . . . . 134--134
              George M. Hopkins   Some Modifications of the Normal
                                  Photograph . . . . . . . . . . . . . . . 135--135
                      Anonymous   The Coronation Naval Review  . . . . . . 135--136
           A. Frederick Collins   Electrical Resonance and its Relation to
                                  Syntonic Wireless Telegraphy --- II  . . 136--137
                     Enos Brown   The Snoqualmie Falls Power Plant . . . . 137--137
              Charles F. Holder   Remarkable Engineering Feats in Railroad
                                  Work . . . . . . . . . . . . . . . . . . 138--138
                Frederick Moore   The United States Naval Observatory at
                                  Washington . . . . . . . . . . . . . . . 139--140
                      Anonymous   A New Schneider--Canet Naval Gun . . . . 140--140
                      Anonymous   The Ardennes Circuit . . . . . . . . . . 140--141
                      Anonymous   Formation of the Diamond by the Electric
                                  Furnace  . . . . . . . . . . . . . . . . 141--141
                      Anonymous   Business and Personal Wants  . . . . . . 142--142
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 7--7
           Henry Norris Russell   The Heavens in January . . . . . . . . . 7--7
                      Anonymous   Recently Patented Inventions . . . . . . 12--12
                      Anonymous   Index of Inventions  . . . . . . . . . . 12--15
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 16--16
                      Anonymous   Retrospect of the Year 1902  . . . . . . 2--3
             Irving U. Townsend   The Barber--Colman Knotter . . . . . . . 4--4
                      Anonymous   Babbitting Device  . . . . . . . . . . . 5--5
           A. Frederick Collins   The Fessenden Wireless Telegraph System  5--6
               Frank C. Perkins   Electric Trolley Wagons and Omnibuses    6--6
                 Waldon Fawcett   Winter Obstacles to Transportation . . . 8--9
                     Enos Brown   The Ancient Ruins of Palenke . . . . . . 9--10
                      Anonymous   A Curious Mushroom Growth  . . . . . . . 10--10
                      Anonymous   Wood Paving in Paris . . . . . . . . . . 11--11
                      Anonymous   Business and Personal Wants  . . . . . . 12--12
        
                      Anonymous   Recently Patented Inventions . . . . . . 178--178
                      Anonymous   Business and Personal Wants  . . . . . . 178--178
                      Anonymous   Notes and Queries  . . . . . . . . . . . 178--179
                      Anonymous   Index of Inventions  . . . . . . . . . . 179--183
                      Anonymous   Block Signals and the Automatic Stop . . 168--168
                      Anonymous   Diverging Again  . . . . . . . . . . . . 168--168
                      Anonymous   The Effect of Fire on Bridge Cables  . . 168--168
                      Anonymous   The New Cunarders  . . . . . . . . . . . 168--168
                      Anonymous   Delay in the Construction of Warships    168--168
                      Anonymous   Extraordinary Immigration Figures  . . . 168--168
                      Anonymous   The \booktitleScientific American and
                                  the Introduction of the Telephone Into
                                  Europe . . . . . . . . . . . . . . . . . 168--168
                      Anonymous   The Death of Dr. Richard J. Gatling  . . 169--169
                      Anonymous   To Detect Fire at Sea  . . . . . . . . . 169--169
                      Anonymous   Amendment to the United States Patent
                                  Statutes . . . . . . . . . . . . . . . . 169--169
                      Anonymous   Science Notes  . . . . . . . . . . . . . 169--169
                      Anonymous   A New Departure in Ship Logs . . . . . . 170--170
               Day Allen Willey   Self-Winding Clock . . . . . . . . . . . 171--171
               T. Byard Collins   The Action of a Bird's Wing And Its
                                  Bearing on the Problem of Mechanical
                                  Flight . . . . . . . . . . . . . . . . . 171--172
                      Anonymous   Electric Locomotives for Yard and Shop
                                  Work . . . . . . . . . . . . . . . . . . 172--172
                      Anonymous   Extension of Transit Facilities in New
                                  York . . . . . . . . . . . . . . . . . . 173--173
                Herbert C. Fyfe   The Latest Himalaya-Climbing Expedition  174--176
              Randolph I. Geare   Venomous Serpents --- IV . . . . . . . . 176--176
                      Anonymous   Artificial Horizon . . . . . . . . . . . 177--177
                      Anonymous   A New Acid Chamber for Sulphite Works    177--177
                      Anonymous   Seed-Cleaner for Grain Separators  . . . 177--177
                      Anonymous   Mechanical Toy . . . . . . . . . . . . . 177--177
                      Anonymous   New Books, Etc . . . . . . . . . . . . . 183--184
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 187--188
                      Anonymous   Correspondence . . . . . . . . . . . . . 191--191
                      Anonymous   Recently Patented Inventions . . . . . . 196--196
                      Anonymous   Notes and Queries  . . . . . . . . . . . 196--196
                      Anonymous   Index of Inventions  . . . . . . . . . . 196--199
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 199--199
                      Anonymous   Trying to Put a Quart Into a Pint Cup    186--186
                      Anonymous   Enactment of the Amendment of United
                                  States Patent Statutes . . . . . . . . . 186--186
                      Anonymous   Our Agricultural Colleges  . . . . . . . 186--187
                      Anonymous   Action of Gelatine Upon Glass  . . . . . 187--187
                      Anonymous   New Electromagnet for Magneto-Optic Work 187--187
                    H. D. Jones   The New Philadelphia Filtration System   188--189
                      Anonymous   The Locke Electric Rock Drill  . . . . . 189--189
                   H. J. Bennet   The Gorter Water Tower . . . . . . . . . 189--190
                      Anonymous   Wireless Telegraphy Between Guadeloupe
                                  and Martinique . . . . . . . . . . . . . 190--190
                      Anonymous   A Motor-Driven Ice-Boat  . . . . . . . . 190--190
                      Anonymous   Mechanical Brick-making  . . . . . . . . 190--190
                      Anonymous   On the Curious Case of Regelation  . . . 191--191
                      Anonymous   The Cause of Thunder Again . . . . . . . 191--191
                      Anonymous   The Mills Peruvian Expedition for the
                                  Study of Solar Motion  . . . . . . . . . 191--191
                      Anonymous   Still Another Wireless Telegraphy System 191--191
                      Anonymous   The Current Supplement . . . . . . . . . 191--192
                      Anonymous   Completion of the Floor of the New East
                                  River Bridge . . . . . . . . . . . . . . 192--193
                      Anonymous   The Hunter's Point Dry Dock, San
                                  Francisco  . . . . . . . . . . . . . . . 193--194
                      Anonymous   The Restoration of the Foundations of
                                  the Philæ Temples . . . . . . . . . . . . 194--195
                      Anonymous   Lloyd's Wreck Returns  . . . . . . . . . 195--195
                      Anonymous   New French Submarine Boat  . . . . . . . 195--195
                      Anonymous   An Armchair Formed By Natural Growth . . 195--195
              Walter L. Beasley   The Largest Finback Whale  . . . . . . . 195--196
                      Anonymous   Miscellaneous Invention  . . . . . . . . 196--196
                      Anonymous   Business and Personal Wants  . . . . . . 196--196
                      Anonymous   New Books, Etc . . . . . . . . . . . . . 199--200
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 203--203
                      Anonymous   Correspondence . . . . . . . . . . . . . 207--207
                      Anonymous   Recently Patented Inventions . . . . . . 212--212
                      Anonymous   Notes and Queries  . . . . . . . . . . . 213--214
                      Anonymous   Index of Inventions  . . . . . . . . . . 214--217
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 217--217
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 217--217
                      Anonymous   A 75,000 Horse Power Turbine Plant . . . 202--202
                      Anonymous   Permanence of Steel Framework in Tall
                                  Buildings  . . . . . . . . . . . . . . . 202--202
                      Anonymous   The Changes in the Croton Dam  . . . . . 202--202
                      Anonymous   Warship Construction in Private and
                                  Government Shipyards . . . . . . . . . . 202--202
                      Anonymous   ``Shamrock II''  . . . . . . . . . . . . 202--203
                      Anonymous   The Second East River Rapid Transit
                                  Tunnel to Brooklyn . . . . . . . . . . . 203--203
                 A. S. Atkinson   Spices --- Pure and Otherwise  . . . . . 203--203
                      Anonymous   The Montreal Grain Elevator  . . . . . . 204--204
           A. Frederick Collins   Bull's Selective System of Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 205--206
               Day Allen Willey   The Pneumatic Tube System of a Modern
                                  Department Store . . . . . . . . . . . . 206--207
                      Anonymous   A Curious Elliptical Bridge  . . . . . . 208--208
              Charles F. Holder   Where Olives Grow  . . . . . . . . . . . 209--210
              Walter L. Beasley   Curious Jade Carvings from Mexico  . . . 211--211
                      Anonymous   Business and Personal Wants  . . . . . . 212--212
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 221--221
                      Anonymous   Correspondence . . . . . . . . . . . . . 225--225
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 229--229
                      Anonymous   Recently Patented Inventions . . . . . . 231--231
                      Anonymous   Business and Personal Wants  . . . . . . 231--231
                      Anonymous   Notes and Queries  . . . . . . . . . . . 232--232
                      Anonymous   Index of Inventions  . . . . . . . . . . 232--235
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 235--235
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 235--236
                      Anonymous   Ratification of the Panama Canal Treaty  220--220
                      Anonymous   A Sign of the Times  . . . . . . . . . . 220--220
                 Alton D. Adams   Rise of Water Power in Electrical Supply 220--220
                      Anonymous   The Latest Edison Storage Battery Patent 221--221
           Henry Norris Russell   The Heavens in April . . . . . . . . . . 221--221
                John Trowbridge   Vessels Made from Quartz and Some of
                                  their Uses . . . . . . . . . . . . . . . 222--222
                      Anonymous   A Mechanical Street Cleaner  . . . . . . 222--223
               Frank C. Perkins   Electricity in Modern Mining Drainage
                                  Installations  . . . . . . . . . . . . . 223--224
                Frederick Moore   American Railway Slaughters and British
                                  Railway Safety . . . . . . . . . . . . . 226--227
                      Anonymous   A New Sighting Gear for Naval Guns and
                                  Gunnery Signaling Apparatus  . . . . . . 227--228
                      Anonymous   Self-Sealing Moth Bag  . . . . . . . . . 230--230
                      Anonymous   Safety Envelop . . . . . . . . . . . . . 230--230
                      Anonymous   Student's Chair  . . . . . . . . . . . . 230--230
                      Anonymous   Safety Car Step  . . . . . . . . . . . . 230--230
        
                      Anonymous   Recently Patented Inventions . . . . . . 248--248
                      Anonymous   Miscellaneous Notes: Miscellaneous . . . 248--248
                      Anonymous   Business and Personal Wants  . . . . . . 248--248
                      Anonymous   Index of Inventions  . . . . . . . . . . 248--252
                      Anonymous   The Blood of all Races . . . . . . . . . 238--238
                      Anonymous   Final Lessons of the German American War
                                  Game . . . . . . . . . . . . . . . . . . 238--238
                      Anonymous   Vertical Transportation  . . . . . . . . 238--239
                      Anonymous   The British Battleship Construction
                                  Programme for 1903 . . . . . . . . . . . 239--239
                      Anonymous   Vulcanized Timber in England . . . . . . 239--239
                      Anonymous   ``Callitypy''  . . . . . . . . . . . . . 239--240
                      Anonymous   Some Modern Appliances for Life Saving
                                  at Fires . . . . . . . . . . . . . . . . 240--241
                Orrin E. Dunlap   Remarkable Diversion of Niagara's Waters 241--242
                 Waldon Fawcett   Electric Track Welding . . . . . . . . . 242--242
                      Anonymous   The Advantages of in-Turning Screws on
                                  Warships . . . . . . . . . . . . . . . . 243--243
                      Anonymous   ``Narragansett'' --- the Largest of Tank
                                  Ships  . . . . . . . . . . . . . . . . . 243--243
                      Anonymous   Pupin and Jentsch on Trans-Oceanic
                                  Telephony  . . . . . . . . . . . . . . . 243--243
                      Anonymous   Further Curie Experiments with Radium    243--243
                      Anonymous   News from the British Antarctic
                                  Expedition --- a New Record  . . . . . . 243--243
                      Anonymous   Volcanic Dust Falls in Georgia . . . . . 243--243
                      Anonymous   The Selden Patent and the Automobile
                                  Trust  . . . . . . . . . . . . . . . . . 243--243
                      Anonymous   A New Star . . . . . . . . . . . . . . . 243--243
                      Anonymous   The New Buffalo Harbor Breakwater  . . . 244--245
                   W. F. Watson   Photographic Experiment with Nature's
                                  Lenses . . . . . . . . . . . . . . . . . 245--246
                      Anonymous   Discovery of the Tomb of Thothmes IV . . 246--246
                      Anonymous   Next Week's Special Automobile and
                                  Yachting Number  . . . . . . . . . . . . 246--246
                      Anonymous   Patent Department  . . . . . . . . . . . 247--247
                      Anonymous   Automatic Toy  . . . . . . . . . . . . . 247--247
                      Anonymous   Safety Heel for Footwear . . . . . . . . 247--247
                      Anonymous   Diaphragm Meter and Exerciser  . . . . . 247--247
                      Anonymous   Women Inventors  . . . . . . . . . . . . 247--248
                      Anonymous   Railway Improvements . . . . . . . . . . 248--248
        
                      Anonymous   Patent Notes: Patent . . . . . . . . . . 275--275
                      Anonymous   Notes and Queries  . . . . . . . . . . . 279--280
                      Anonymous   Business and Personal Wants  . . . . . . 281--281
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 282--282
                      Anonymous   Recently Patented Inventions . . . . . . 282--287
                      Anonymous   Index of Inventions  . . . . . . . . . . 287--292
                      Anonymous   The New Cup Yacht ``Reliance'' . . . . . 254--254
                      Anonymous   The New Measurement Rule of the New York
                                  Yacht Club . . . . . . . . . . . . . . . 254--255
                      Anonymous   The Home of the New York Yacht Club  . . 255--257
                      Anonymous   A Group of Famous Yacht Models . . . . . 257--258
                      Anonymous   The ``Emerald'' Turbine Yacht  . . . . . 258--258
                      Anonymous   The Steam Yacht ``North Star'' . . . . . 258--259
                      Anonymous   A Gasoline Launch for Cruising . . . . . 259--259
                      Anonymous   New Three-Masted Auxiliary Schooner  . . 259--260
                      Anonymous   The Launch and Early Trials of
                                  ``Shamrock III'' . . . . . . . . . . . . 260--261
                      Anonymous   The Foreign Automobiles of Prominent
                                  Americans  . . . . . . . . . . . . . . . 261--261
                      Anonymous   Some 1903 Models . . . . . . . . . . . . 262--263
                      Anonymous   The Locomobile Gasoline Car  . . . . . . 264--265
                      Anonymous   The Columbia Gasoline Tonneau  . . . . . 265--266
                      Anonymous   The Latest Types of Motor Bicycles . . . 266--267
                      Anonymous   A Novel Transmission Device for Gasoline
                                  Automobiles  . . . . . . . . . . . . . . 267--267
                Herbert C. Fyfe   The Automobile in Warfare  . . . . . . . 268--272
                      Anonymous   The Cadillac Gasoline Runabout . . . . . 272--272
                      Anonymous   Automobile Air Cushions  . . . . . . . . 272--273
                      Anonymous   A Novel Snow Locomotive  . . . . . . . . 274--274
               Day Allen Willey   A New Sport  . . . . . . . . . . . . . . 276--276
              N. Monroe Hopkins   The Automobile and its Horse Power: a
                                  Ready Method of Determining the Latter
                                  Experimentally . . . . . . . . . . . . . 276--277
                      Anonymous   Automobile Novelties . . . . . . . . . . 278--278
                      Anonymous   A New Detachable Tire  . . . . . . . . . 278--278
                      Anonymous   A Double Piston Gasoline Motor . . . . . 278--278
                      Anonymous   A Valueless Automobile Steam Engine  . . 278--278
                      Anonymous   A Device for Indicating the Speed Rate
                                  of Automobiles . . . . . . . . . . . . . 278--278
                      Anonymous   The Lamp That Beats Aladdin's  . . . . . 280--280
                      Anonymous   The Roche New Standard Pole Plug . . . . 280--280
                      Anonymous   A Home Attraction  . . . . . . . . . . . 280--280
                      Anonymous   An Efficient Automobile  . . . . . . . . 280--280
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 295--295
                      Anonymous   Correspondence . . . . . . . . . . . . . 299--299
                      Anonymous   Recently Patented Inventions . . . . . . 303--303
                      Anonymous   Notes and Queries  . . . . . . . . . . . 304--304
                      Anonymous   Index of Inventions  . . . . . . . . . . 304--307
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 307--307
                      Anonymous   Protect the Third Rail . . . . . . . . . 294--294
                      Anonymous   The Lodge--Muirhead Receiver . . . . . . 294--294
                      Anonymous   Fatal Gun Accident in the Navy . . . . . 294--294
                      Anonymous   The So-Called Dangers of Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 294--294
                      Anonymous   Waste of City Water Supply . . . . . . . 294--294
                      Anonymous   Annual Report of the United States Steel
                                  Trust  . . . . . . . . . . . . . . . . . 294--295
                      Anonymous   The Accession of Germany to the
                                  International Convention . . . . . . . . 295--295
                      Anonymous   The Reinterment of James Smithson in
                                  America  . . . . . . . . . . . . . . . . 295--295
                      Anonymous   A Regular Transatlantic Marconi Service  295--295
                      Anonymous   New American Automobile Speed Records    295--295
                      Anonymous   Rubber Vine in Honduras  . . . . . . . . 295--295
                      Anonymous   Report of the Berlin Zossen Trials . . . 295--295
                Herbert C. Fyfe   The Pedrail --- a New Type of Road
                                  Locomotive . . . . . . . . . . . . . . . 296--296
                     H. C. Fyfe   The Lodge--Muirhead System of Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 297--298
                      Anonymous   The New American-Built Liner
                                  ``Minnesota''  . . . . . . . . . . . . . 298--298
                      Anonymous   The Most Powerful Express Passenger
                                  Locomotive . . . . . . . . . . . . . . . 300--300
           A. Frederick Collins   A New Electrical Fire Engine . . . . . . 300--301
                      Anonymous   The Jaquet--Droz Androids  . . . . . . . 301--302
                      Anonymous   Apparatus for Discharging Bilge Water
                                  From Ships . . . . . . . . . . . . . . . 302--303
               Arthur Inkersley   A Century Plant in Bloom . . . . . . . . 303--303
                      Anonymous   Business and Personal Wants  . . . . . . 304--304
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 311--311
                      Anonymous   Correspondence . . . . . . . . . . . . . 315--315
                      Anonymous   Recently Patented Inventions . . . . . . 321--321
                      Anonymous   Notes and Queries  . . . . . . . . . . . 322--322
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 323--323
                      Anonymous   Index of Inventions  . . . . . . . . . . 323--323
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 327--327
                      Anonymous   Shall we have Double-Decked Streets? . . 310--310
                      Anonymous   Collapse of the Great Salt Lake Railroad
                                  Trestle  . . . . . . . . . . . . . . . . 310--310
                      Anonymous   Does it Pay to Reconstruct Battleships?  310--310
                      Anonymous   The Extermination of the Mosquito on
                                  Long Island  . . . . . . . . . . . . . . 310--311
                      Anonymous   Sir William Crookes on Radium  . . . . . 311--311
                      Anonymous   ``Egyptianized'' Clay  . . . . . . . . . 311--311
                      Anonymous   Powerful Railroad Wrecking Cranes  . . . 312--312
                      Anonymous   Past, Present, and Future of the
                                  Chicago, Aurora, and Elgin Railway . . . 312--312
               Frank C. Perkins   Modern Development of the Steam Turbine  313--314
                      Anonymous   Launch of the ``Reliance'' . . . . . . . 314--315
                      Anonymous   ``Shamrock III.'' Under Sail . . . . . . 316--316
                Orrin E. Dunlap   ``Siloxicon'' --- a Refractory Furnace
                                  Lining . . . . . . . . . . . . . . . . . 316--317
                Herbert C. Fyfe   The Telegraphone and the British Post
                                  Office . . . . . . . . . . . . . . . . . 317--318
                      Anonymous   The Korean Twins . . . . . . . . . . . . 318--318
                      Anonymous   Car Replacer . . . . . . . . . . . . . . 319--319
                      Anonymous   Mixing Valve for Explosion-Engines . . . 319--319
                      Anonymous   Transferable Job Bank  . . . . . . . . . 319--319
                      Anonymous   Fuse Plug  . . . . . . . . . . . . . . . 319--319
                      Anonymous   Sideboard-Rod Fastening  . . . . . . . . 319--319
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 320--320
                      Anonymous   Business and Personal Wants  . . . . . . 321--321
        
           Henry Norris Russell   The Heavens in May . . . . . . . . . . . 331--331
                      Anonymous   Science Notes  . . . . . . . . . . . . . 331--331
                      Anonymous   Correspondence . . . . . . . . . . . . . 335--335
                      Anonymous   Recently Patented Inventions . . . . . . 341--342
                      Anonymous   Notes and Queries  . . . . . . . . . . . 342--343
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 343--343
                      Anonymous   Index of Inventions  . . . . . . . . . . 343--347
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 347--347
                      Anonymous   The Subway Contractor and the Suffering
                                  Public . . . . . . . . . . . . . . . . . 330--330
                      Anonymous   Failure of the ``Iowa's'' 12-Inch Gun    330--330
                      Anonymous   Tests of Oil Fuel on Locomotives . . . . 330--330
                      Anonymous   English Report on the American Railways  330--330
                      Anonymous   Electrification of the London
                                  ``Underground'' Railway  . . . . . . . . 330--331
                      Anonymous   The Stanley Airship  . . . . . . . . . . 332--332
                      Anonymous   Powerful English Engine for Suburban
                                  Traffic  . . . . . . . . . . . . . . . . 332--333
                Herbert C. Fyfe   Ore Finding by Electricity . . . . . . . 333--334
                Marcus Benjamin   Alexander Graham Bell  . . . . . . . . . 334--334
                      Anonymous   Experiments in Food Preservatives
                                  Conducted by the Department of
                                  Agriculture  . . . . . . . . . . . . . . 336--338
                      Anonymous   Condition of the Work on the Subway  . . 338--338
                      Anonymous   Motors for the New York City Subway  . . 339--339
                      Anonymous   The Latest Atlantic Liner, ``Kaiser
                                  Wilhelm II'' . . . . . . . . . . . . . . 339--340
                      Anonymous   Business and Personal Wants  . . . . . . 342--342
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 355--355
                      Anonymous   Recently Patented Inventions . . . . . . 361--361
                      Anonymous   Notes and Queries  . . . . . . . . . . . 362--363
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 363--363
                      Anonymous   Index of Inventions  . . . . . . . . . . 364--364
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 367--367
                      Anonymous   Filtration Plants and Typhoid Fever  . . 350--350
                      Anonymous   High Speed on American Railroads . . . . 350--350
                      Anonymous   Acceleration Tests on the Great Eastern
                                  Railway  . . . . . . . . . . . . . . . . 350--350
                      Anonymous   Rapid Development of the Steam Turbine   350--350
                      Anonymous   New Electrical Discoveries . . . . . . . 350--351
                Marcus Benjamin   Abstracts of Papers Presented at the
                                  National Academy of Sciences . . . . . . 351--351
                      Anonymous   Science Notes  . . . . . . . . . . . . . 351--351
                      Anonymous   Rapid Construction of the Battleship
                                  ``Louisiana''  . . . . . . . . . . . . . 352--352
                      Anonymous   ``Looping the Loop'' in 1846 . . . . . . 352--353
              Charles F. Holder   Santa Catalina's Wireless Newspaper  . . 353--353
                      Anonymous   Dust Storm Observations  . . . . . . . . 353--353
                      Anonymous   The ``Reliance'' Under Sail  . . . . . . 354--354
                      Anonymous   An Automatic Centrifugal Amusement-Way   356--357
              Walter L. Beasley   Siberian Collection of the Jesup North
                                  Pacific Expedition . . . . . . . . . . . 357--358
                      Anonymous   The White Blackberry ``Iceberg'' . . . . 358--358
                      Anonymous   A Convenient Game Table  . . . . . . . . 359--359
                      Anonymous   A Safety Catch for Elevators . . . . . . 359--359
                      Anonymous   Daylight Developing Box  . . . . . . . . 359--359
                      Anonymous   Oddities in Inventions . . . . . . . . . 359--360
                      Anonymous   Business and Personal Wants  . . . . . . 362--362
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 22--23
                      Anonymous   Recently Patented Inventions . . . . . . 28--28
                      Anonymous   Business and Personal Wants  . . . . . . 28--28
                      Anonymous   Notes and Queries  . . . . . . . . . . . 28--28
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 28--28
                      Anonymous   Index of Inventions  . . . . . . . . . . 28--33
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 33--33
                      Anonymous   Railroad Accidents here and Abroad . . . 18--18
                      Anonymous   Proposed Increase of our Navy  . . . . . 18--18
                      Anonymous   Traffic Congestion in Manhattan  . . . . 18--19
                      Anonymous   The German--American War Game  . . . . . 19--19
                Marcus Benjamin   Prof. Ira Remsen, President of the
                                  American Association for the Advancement
                                  of Science . . . . . . . . . . . . . . . 19--19
                      Anonymous   The Lebaudy Dirigible Airship  . . . . . 20--20
                     Enos Brown   Destruction of Steamship ``Progresso''   21--21
                      Anonymous   The New British One-Man Folding Range
                                  Finder . . . . . . . . . . . . . . . . . 21--22
                      Anonymous   Opening of the First Section of the
                                  Pacific Cable  . . . . . . . . . . . . . 24--25
               Day Allen Willey   Oil Fires in the southwest . . . . . . . 25--26
                J. Carter Beard   Are the Senses of the Lower Animals
                                  Superior to ours?  . . . . . . . . . . . 26--27
              Walter L. Beasley   One of the Largest Trees in the World    27--27
                      Anonymous   Railway Tie and Fastening  . . . . . . . 27--27
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 371--371
                      Anonymous   Correspondence . . . . . . . . . . . . . 374--375
                      Anonymous   Recently Patented Inventions . . . . . . 380--380
                      Anonymous   Notes and Queries  . . . . . . . . . . . 381--381
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 382--382
                      Anonymous   Index of Inventions  . . . . . . . . . . 382--382
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 385--386
                      Anonymous   We Need Fewer Doctors  . . . . . . . . . 370--370
                      Anonymous   The Proposed Brooklyn Bridge Terminal
                                  Station  . . . . . . . . . . . . . . . . 370--370
                      Anonymous   ``Reliance'' and ``Columbia''  . . . . . 370--370
                      Anonymous   Our Enormous Exports . . . . . . . . . . 370--370
                      Anonymous   What to Abolish from Warships  . . . . . 370--370
                      Anonymous   The Metric System  . . . . . . . . . . . 370--370
                      Anonymous   The First Iron Sailing Vessel  . . . . . 370--371
               Egbert P. Watson   Chimney Draft  . . . . . . . . . . . . . 371--371
                      Anonymous   Trade-Marks in the Philippines . . . . . 371--371
                      Anonymous   Air Cooling Apparatus  . . . . . . . . . 372--372
                      Anonymous   A Bell-Buoy Operated by Tide Motor . . . 372--372
                      Anonymous   Dovetailing Machine  . . . . . . . . . . 372--373
                Hamilton Wright   Long-Distance High-Tension Transmission
                                  of Power in California . . . . . . . . . 373--374
                      Anonymous   The Crossley Reflecting Telescope and
                                  its New Mounting . . . . . . . . . . . . 376--376
            Harold J. Shepstone   The Trade in Wild Animals  . . . . . . . 376--378
                J. Carter Beard   Have the Lower Animals Other Senses Than
                                  Ours?  . . . . . . . . . . . . . . . . . 378--379
                  Emile Guarini   Artemiev's Electrical Coat of Mail . . . 379--379
                      Anonymous   A New Electrical Steering Gear . . . . . 380--380
                      Anonymous   Business and Personal Wants  . . . . . . 381--381
        
                      Anonymous   Recently Patented Inventions . . . . . . 399--399
                      Anonymous   Notes and Queries  . . . . . . . . . . . 400--401
                      Anonymous   New Books, Etc . . . . . . . . . . . . . 401--401
                      Anonymous   Patent Notes: Patent . . . . . . . . . . 404--406
                      Anonymous   The Artistic Element in Bridge Design    388--388
                      Anonymous   American Rapid Transit in London . . . . 388--388
                      Anonymous   The New Cunarders  . . . . . . . . . . . 388--388
                      Anonymous   Flies as Carriers of Bacteria  . . . . . 388--388
                      Anonymous   British Workmen on American Industry . . 388--389
                      Earl Mayo   Electric Power Plant below Mount Rainier 389--389
                      Anonymous   Carrier Pigeons for the German Navy  . . 389--389
                      Anonymous   Science Notes  . . . . . . . . . . . . . 389--389
                      Anonymous   A New Soda-Water Machine . . . . . . . . 390--390
                      Anonymous   An Electric Ore-Reducing Apparatus . . . 390--390
                      Anonymous   A Simple Kerosene Engine . . . . . . . . 391--391
                      Anonymous   Motor Coaches for British Railroads  . . 391--392
               W. Frank M'clure   The Coal Industry of Pennsylvania  . . . 392--393
               T. Byard Collins   Wireless Telephonic Communication
                                  between Moving Ferry Boats . . . . . . . 394--395
                      Anonymous   A Land Boat for Armory Use . . . . . . . 395--396
                  Emile Guarini   Guilleminot High-Tension and
                                  High-Frequency Coils . . . . . . . . . . 396--396
                      Anonymous   Patent Department  . . . . . . . . . . . 397--397
                      Anonymous   Useful Attachment For Rain-Water Leaders 397--397
                      Anonymous   Heater Attachment for Lamps and Gas
                                  Burners  . . . . . . . . . . . . . . . . 397--397
                      Anonymous   Gage for Railway Car Axles . . . . . . . 397--398
                      Anonymous   Rail Connection  . . . . . . . . . . . . 398--398
                      Anonymous   Centrifugal Separator  . . . . . . . . . 398--398
                      Anonymous   Business and Personal Wants  . . . . . . 399--400
                      Anonymous   Popular Steam Traps  . . . . . . . . . . 400--400
                      Anonymous   Index of Inventions  . . . . . . . . . . 401--402
                      Anonymous   Valuable Books!  . . . . . . . . . . . . 403--404
        
           Henry Norris Russell   The Heavens in June  . . . . . . . . . . 409--409
                      Anonymous   Correspondence . . . . . . . . . . . . . 413--413
                      Anonymous   Recently Patented Inventions . . . . . . 418--418
                      Anonymous   Index of Inventions  . . . . . . . . . . 418--418
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 419--419
                      Anonymous   The War Department and New York City
                                  Docks  . . . . . . . . . . . . . . . . . 408--408
                      Anonymous   Railway Horrors Vs. the ``Horrors of
                                  War'' an Appalling Record  . . . . . . . 408--408
                      Anonymous   Boiler Rivet Heads . . . . . . . . . . . 408--408
                      Anonymous   An American Officer's View of German
                                  Industries . . . . . . . . . . . . . . . 408--409
                      Anonymous   Science Notes  . . . . . . . . . . . . . 409--409
                Herbert C. Fyfe   The Ivel Agricultural Motor  . . . . . . 410--410
                      Anonymous   New Automatic Fender and Wheel Guard . . 410--411
                      Anonymous   The Problem of the Great Croton Dam ---
                                  New York City Water Supply . . . . . . . 411--412
                      Anonymous   First Race of the Cup Defender
                                  ``Reliance'' . . . . . . . . . . . . . . 414--414
                  Jacques Boyer   Butterfly Farms in France  . . . . . . . 415--416
                      Anonymous   A Man who was Struck by Lightning and
                                  Lives  . . . . . . . . . . . . . . . . . 416--416
                      Anonymous   Manure Spreader  . . . . . . . . . . . . 417--417
                      Anonymous   Folding Top for Vehicles . . . . . . . . 417--417
                      Anonymous   Elevating Truck  . . . . . . . . . . . . 417--417
                      Anonymous   An Opera-Glass Condiment Holder  . . . . 417--417
                      Anonymous   Water Regulator for Steam Boilers  . . . 417--417
                      Anonymous   Business and Personal Wants  . . . . . . 418--418
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 425--425
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 434--434
                      Anonymous   Recently Patented Inventions . . . . . . 435--436
                      Anonymous   Notes and Queries  . . . . . . . . . . . 436--436
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 436--436
                      Anonymous   Index of Inventions  . . . . . . . . . . 436--436
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 440--440
                      Anonymous   The Two Hundred and Fiftieth Anniversary
                                  of New York City . . . . . . . . . . . . 424--424
                      Anonymous   Remarkable Efficiency of Elevated
                                  Railway Electric Service . . . . . . . . 424--424
                      Anonymous   Cost of High-Speed Steamship Travel  . . 424--424
                      Anonymous   The Abuse of a Noble Sport . . . . . . . 424--425
                      Anonymous   Prof. Goodspeed on Secondary Radiation
                                  Induced by X-Rays  . . . . . . . . . . . 425--425
                      Anonymous   Alkali Manufacture by Electricity from
                                  Natural Salts  . . . . . . . . . . . . . 425--425
                      Anonymous   The Ostergren Fuel Oil Engine  . . . . . 426--426
                      Anonymous   An Improved Type of Swage Block  . . . . 427--427
                      Anonymous   A Method of Making Glass Models of Mines 427--427
               Day Allen Willey   The ``Soo'' Ship Canal System --- the
                                  Fiftieth Anniversary of its Commencement 427--429
                      Anonymous   A New Apparatus for Determining the
                                  Resistance of Road Vehicles to Traction  430--431
                      Anonymous   Scientific Poultry Raising . . . . . . . 431--432
                      Anonymous   The New Springfield Magazine Rifle . . . 432--432
                      Anonymous   Ruhmer's System of Light-Telephony . . . 433--433
                      Anonymous   Business and Personal Wants  . . . . . . 436--436
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 445--445
                      Anonymous   Recently Patented Inventions . . . . . . 455--456
                      Anonymous   Notes and Queries  . . . . . . . . . . . 456--457
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 457--457
                      Anonymous   Index of Inventions  . . . . . . . . . . 457--457
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 459--459
                      Anonymous   Mosely on American Competition . . . . . 444--444
                      Anonymous   The High-Speed Turbine as an Air
                                  Compressor . . . . . . . . . . . . . . . 444--444
                      Anonymous   A New Niagara Power Canal  . . . . . . . 444--444
                      Anonymous   Scientific Expedition to the Bahama
                                  Islands  . . . . . . . . . . . . . . . . 444--444
                      Anonymous   On a Singular Radiation Phenomenon . . . 444--445
                      Anonymous   Observation War Kites  . . . . . . . . . 445--445
                Guy E. Mitchell   Tomato Culture in the South  . . . . . . 445--445
                      Anonymous   A Kite Competition . . . . . . . . . . . 445--445
                 Waldon Fawcett   A Novel Automobile Lawn Mower  . . . . . 446--446
                      Anonymous   A New and Sanitary Process of Pouring
                                  Brass in Casting . . . . . . . . . . . . 446--447
                      Anonymous   New Instruments for Enabling the Deaf to
                                  Hear . . . . . . . . . . . . . . . . . . 447--448
                   Fred T. Jane   A Comparison of the German Battleship
                                  ``Wettin'' with the ``Maine''  . . . . . 448--449
                      Anonymous   The New Motor Chair  . . . . . . . . . . 450--450
                      Anonymous   A Daring Feat in the Amusement Line  . . 450--451
              Walter L. Beasley   Evolution of the Horse . . . . . . . . . 451--452
                      Anonymous   Patent Department  . . . . . . . . . . . 452--453
                      Anonymous   New Prepayment Meter . . . . . . . . . . 453--453
                      Anonymous   A Durable Saw-Tightener  . . . . . . . . 453--453
                      Anonymous   Cage and Cable Release . . . . . . . . . 453--453
                      Anonymous   Sugar Cabinet  . . . . . . . . . . . . . 453--454
                      Anonymous   A Peculiar Toy Hoop  . . . . . . . . . . 454--454
                      Anonymous   Rail Fastening . . . . . . . . . . . . . 454--454
                      Anonymous   A Vest Pocket Punching Bag . . . . . . . 454--454
                      Anonymous   An Improved Oil Burner . . . . . . . . . 454--454
                      Anonymous   Business and Personal Wants  . . . . . . 456--456
              Gardner D. Hiscox   Gas Gasoline and Oil Engines . . . . . . 459--459
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 465--465
                      Anonymous   Correspondence . . . . . . . . . . . . . 469--469
                      Anonymous   Business and Personal Wants  . . . . . . 474--474
                      Anonymous   Recently Patented Inventions . . . . . . 474--474
                      Anonymous   Index of Inventions  . . . . . . . . . . 474--477
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 476--476
                      Anonymous   The Merchants' Association and the
                                  Jerome Park Reservoir  . . . . . . . . . 464--464
                      Anonymous   Chicago Drainage Canal and the City of
                                  St. Louis  . . . . . . . . . . . . . . . 464--464
                      Anonymous   The Oldest Map of Rome . . . . . . . . . 464--465
                      Anonymous   A Mud-Puddle Commune; or, the Beginnings
                                  of Mind  . . . . . . . . . . . . . . . . 465--465
                      Anonymous   Highest Wind Record  . . . . . . . . . . 465--465
                      Anonymous   Failure of the Monolith Lathe  . . . . . 465--465
                      Anonymous   Orange Culture in California . . . . . . 466--466
                      Anonymous   French Express Engine for an English
                                  Railroad . . . . . . . . . . . . . . . . 467--467
                     H. C. Fyfe   The First Cross-Channel Turbine Steamer  467--468
                      Anonymous   A Portable Oscillograph for Alternating
                                  Currents . . . . . . . . . . . . . . . . 468--469
               W. Frank M'Clure   Gigantic Ore-Handling Machinery  . . . . 469--469
                      Anonymous   The Atlantic Ocean and the `America' Cup 470--470
                      Anonymous   The Paris--Madrid Automobile Race  . . . 470--472
                     J. W. Kime   Some Experiments with Actinic Light  . . 472--473
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 481--481
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 490--490
                      Anonymous   Recently Patented Inventions . . . . . . 491--491
                      Anonymous   Business and Personal Wants  . . . . . . 491--491
                      Anonymous   Notes and Queries  . . . . . . . . . . . 491--491
                      Anonymous   Index of Inventions  . . . . . . . . . . 492--494
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 492--492
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 495--497
                      Anonymous   The Railroads and the new East River
                                  Bridge . . . . . . . . . . . . . . . . . 480--480
                      Anonymous   Painting by the Acre . . . . . . . . . . 480--480
                      Anonymous   Railroad Ties and Our Forest Supply  . . 480--480
                      Anonymous   The new 13,000-Ton Battleships . . . . . 480--480
                      Anonymous   ``Shamrock III'' in Drydock  . . . . . . 480--481
           Henry Norris Russell   The Heavens in July  . . . . . . . . . . 481--481
                      Anonymous   Dumping Car With Convenient Lock and
                                  Release  . . . . . . . . . . . . . . . . 482--482
                      Anonymous   German Tests of the Pupin System of
                                  Longdistance Telephony . . . . . . . . . 482--483
                George J. Jones   A Steel Caboose and Repair Car . . . . . 483--483
               Frank C. Perkins   Electric Haulage on Canals . . . . . . . 483--485
                      Anonymous   A Safety Magazine Torpedo Cane . . . . . 485--485
                      Anonymous   Anchor with Yielding Chain Connection    485--485
                  A. Gradenwitz   The ``Telephot,'' a Novel Apparatus for
                                  Photographing at Great Distances . . . . 486--486
                Herbert C. Fyfe   Coaling Warships at Sea  . . . . . . . . 486--488
                      Anonymous   Hailstones Larger Than Hens' Eggs  . . . 488--488
              Charles F. Holder   Interesting Facts About Pelicans . . . . 489--489
                    W. T. Bryan   A Battle Between Two Deadly Snakes . . . 489--489
                      Anonymous   \booktitleScientific American Supplement
                                  Catalogue  . . . . . . . . . . . . . . . 493--493
                      Anonymous   Valuable Books . . . . . . . . . . . . . 494--494
                      Anonymous   Practical Pointers For Patentees . . . . 494--494
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 37--37
                      Anonymous   Correspondence . . . . . . . . . . . . . 41--41
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 44--44
                      Anonymous   Recently Patented Inventions . . . . . . 46--47
                      Anonymous   Notes and Queries  . . . . . . . . . . . 47--48
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 48--48
                      Anonymous   Index of Inventions  . . . . . . . . . . 48--48
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 52--52
                      Anonymous   Railroad Building in 1902  . . . . . . . 36--36
                      Anonymous   New Ships for the Navy . . . . . . . . . 36--36
                      Anonymous   Reconstruction of the Erie Canal . . . . 36--36
                      Anonymous   The Coal Fields of Natal . . . . . . . . 36--36
                      Anonymous   Sir Harry Johnston's Explorations in
                                  Uganda and Central Africa  . . . . . . . 37--37
                      Anonymous   The Raising of a Big Railway Bridge  . . 37--38
                      Anonymous   European Fire Engines  . . . . . . . . . 38--38
                      Anonymous   The Paris Automobile Show  . . . . . . . 39--39
                      Anonymous   Grand Central Station Improvements and
                                  Connection with Rapid Transit Subway . . 39--40
                Marcus Benjamin   American Association for the Advancement
                                  of Science . . . . . . . . . . . . . . . 40--41
                      Anonymous   Leading Types of American Racing
                                  Automobiles  . . . . . . . . . . . . . . 42--43
                      Anonymous   Reconstruction of the Steamship ``New
                                  York'' . . . . . . . . . . . . . . . . . 43--44
                      Anonymous   Patent Department  . . . . . . . . . . . 45--45
                      Anonymous   Portable Power Device for Farm Work  . . 45--46
                      Anonymous   Business and Personal Wants  . . . . . . 47--47
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 55--55
                      Anonymous   Correspondence . . . . . . . . . . . . . 59--59
                      Anonymous   Recently Patented Inventions . . . . . . 64--64
                      Anonymous   Index of Inventions  . . . . . . . . . . 65--65
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 67--67
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 68--68
                      Anonymous   Notes and Queries  . . . . . . . . . . . 68--68
                      Anonymous   Wireless Telegraphy and the ``St.
                                  Louis''  . . . . . . . . . . . . . . . . 54--54
                      Anonymous   Magnitude of Commerce on the Lakes . . . 54--54
                      Anonymous   New Methods of Tunneling . . . . . . . . 54--54
                      Anonymous   A Dozen New Vessels for the Shipping
                                  Trust  . . . . . . . . . . . . . . . . . 54--54
                      Anonymous   The Humors of Railroading  . . . . . . . 54--54
                      Anonymous   Subway Ventilation . . . . . . . . . . . 54--54
                      Anonymous   Colonists for our New Public Lands . . . 54--55
                      Anonymous   Morse's Old Diary and its Prophecy . . . 55--55
                      Anonymous   Wireless Messages to a Moving Train  . . 55--55
                      Anonymous   The Current Supplement . . . . . . . . . 55--55
                      Anonymous   Improved Paper File  . . . . . . . . . . 56--56
                      Anonymous   A New Method of Transplanting Large
                                  Trees  . . . . . . . . . . . . . . . . . 56--56
                      Anonymous   Belt Stretcher . . . . . . . . . . . . . 56--56
                W. E. Partridge   An Automobile Street Car . . . . . . . . 57--58
           George Wharton James   Indian Physiognomies . . . . . . . . . . 58--59
                      Anonymous   An Improved Vaporizer for Gasoline
                                  Engines  . . . . . . . . . . . . . . . . 59--59
                      Anonymous   How a Telescope was made at the Jesuit
                                  College, Montreal  . . . . . . . . . . . 60--60
                   I. W. Davies   Railroad Development in Cuba . . . . . . 61--63
                M. C. Frederick   Queer Caprice of California Woodpeckers  63--63
                      Anonymous   Business and Personal Wants  . . . . . . 64--64
        
           Henry Norris Russell   The Heavens in February  . . . . . . . . 76--76
                      Anonymous   Correspondence . . . . . . . . . . . . . 77--77
                      Anonymous   Recently Patented Inventions . . . . . . 82--83
                      Anonymous   Index of Inventions  . . . . . . . . . . 83--83
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 85--85
                      Anonymous   Notes and Queries  . . . . . . . . . . . 86--86
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 87--87
                      Anonymous   Weight and Velocity in Heavy Guns  . . . 72--72
                      Anonymous   The American Automobile  . . . . . . . . 72--72
                      Anonymous   Abram Stevens Hewitt . . . . . . . . . . 73--73
                      Anonymous   The Recent Berliner Transmitter Patent
                                  Decision . . . . . . . . . . . . . . . . 73--73
                      Anonymous   Test of the New 16-Inch Gun  . . . . . . 75--75
                      Anonymous   A New Derrick or ``Grasshopper''
                                  Elevator for Unloading Grain from
                                  Vessels  . . . . . . . . . . . . . . . . 75--76
                      Anonymous   The Landing of the Honolulu End of the
                                  Pacific Cable  . . . . . . . . . . . . . 78--80
                      Anonymous   The Third Annual Automobile Show . . . . 80--80
                      Anonymous   The Passing of the Hall of Records . . . 81--82
                      Anonymous   Business and Personal Wants  . . . . . . 83--83
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 91--91
                      Anonymous   Correspondence . . . . . . . . . . . . . 95--95
                      Anonymous   Recently Patented Inventions . . . . . . 100--101
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 101--101
                      Anonymous   Notes and Queries  . . . . . . . . . . . 102--102
                      Anonymous   Index of Inventions  . . . . . . . . . . 104--104
                      Anonymous   The Signing of the Panama Canal Treaty   90--90
                      Anonymous   Explosion of a 12-Inch Gun at Sandy Hook 90--90
                      Anonymous   Shipbuilding During 1902 . . . . . . . . 90--90
                      Anonymous   ``America'' Cup Contest  . . . . . . . . 90--90
                      Anonymous   The Diseases of Dust . . . . . . . . . . 90--91
                      Anonymous   Some Afterthoughts on the Automobile
                                  Show . . . . . . . . . . . . . . . . . . 91--91
                      Anonymous   Structural Details of the Edison Storage
                                  Battery  . . . . . . . . . . . . . . . . 92--92
                     Enos Brown   Oil Fuel on the Steamship ``Mariposa''   92--92
                Orrin E. Dunlap   The Ice Conditions of Niagara River  . . 93--93
                      Anonymous   An Impression of Marconi . . . . . . . . 94--94
                      Anonymous   An Operative Engine the Size of a Dime   94--94
                      Anonymous   The Cooper Hewitt Lamp and Static
                                  Converter  . . . . . . . . . . . . . . . 96--97
                      Anonymous   Cows Killed in Thunderstorm  . . . . . . 98--98
                      Anonymous   Patent Department  . . . . . . . . . . . 99--99
                      Anonymous   A New Slicer . . . . . . . . . . . . . . 99--99
                      Anonymous   A New Pattern for Overalls . . . . . . . 99--99
                      Anonymous   Oddities in Inventions . . . . . . . . . 99--100
                      Anonymous   Business and Personal Wants  . . . . . . 101--101
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 115--115
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 119--119
                      Anonymous   Recently Patented Inventions . . . . . . 120--120
                      Anonymous   Notes and Queries  . . . . . . . . . . . 121--121
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 123--123
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--124
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 126--126
                      Anonymous   The Inventions of Dr. William Church ---
                                  The First Patented Typecasting and
                                  Composing Machine  . . . . . . . . . . . 109--110
                      Anonymous   ``How Much, then, is a Man Better than a
                                  Sheep?'' . . . . . . . . . . . . . . . . 110--110
                      Anonymous   German--American War Game  . . . . . . . 110--110
                      Anonymous   A Refractory Piston Needed . . . . . . . 110--111
                      Anonymous   Mr. Westinghouse on American Methods in
                                  Steel-Making . . . . . . . . . . . . . . 111--111
                Orrin E. Dunlap   Lightning Strikes the Niagara Power
                                  Plant  . . . . . . . . . . . . . . . . . 111--111
                      Anonymous   A Novel Aerial Toy Yacht . . . . . . . . 112--112
                      Anonymous   The Krebs Automatic Carbureter for
                                  Gasoline Engines . . . . . . . . . . . . 112--112
                      Anonymous   An Old Double-Barreled Cannon  . . . . . 113--113
               W. Frank M'Clure   The Sandstone Quarries of Ohio . . . . . 113--114
                      Anonymous   A New Oil Burner . . . . . . . . . . . . 114--114
                      Anonymous   Ventilator . . . . . . . . . . . . . . . 114--114
                      Anonymous   A Cave used as a Jail  . . . . . . . . . 116--117
                      Anonymous   Transporting Lumber across Deep Gorges   117--117
              Randolph I. Geare   Venomous Serpents --- I  . . . . . . . . 118--118
                      Anonymous   Business and Personal Wants  . . . . . . 121--121
                Jack St. Armont   South America and Her Treasures  . . . . 122--122
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 131--131
                      Anonymous   Correspondence . . . . . . . . . . . . . 135--135
                      Anonymous   Recently Patented Inventions . . . . . . 140--140
                      Anonymous   Notes and Queries  . . . . . . . . . . . 140--141
                      Anonymous   Index of Inventions  . . . . . . . . . . 141--141
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 143--143
                      Anonymous   An 18,000 Ton Battleship . . . . . . . . 130--130
                      Anonymous   The New Coke Industry  . . . . . . . . . 130--130
                      Anonymous   Proposed Repairs to the East River
                                  Bridge Cables  . . . . . . . . . . . . . 130--130
                      Anonymous   A Harvard Grant from the Carnegie
                                  Institution  . . . . . . . . . . . . . . 130--131
                  H. M. Gleason   The Steam Turbine  . . . . . . . . . . . 131--131
                      Anonymous   The Ozone Waterworks at Wiesbaden and
                                  Paderborn  . . . . . . . . . . . . . . . 132--133
                      Anonymous   The New Chilian Battleship ``Libertad''  133--134
                      Anonymous   The Spontaneous Bending of Marble  . . . 134--134
                     M. Hopkins   Recording Telegraph for Amateurs . . . . 136--136
              Randolph I. Geare   Venomous Snakes --- II . . . . . . . . . 137--137
                      Anonymous   New York's Steel Roadway . . . . . . . . 138--138
                      Anonymous   A Curious Case of Regelation . . . . . . 138--138
                     Enos Brown   The Orange in Northern California  . . . 138--139
                      Anonymous   Business and Personal Wants  . . . . . . 140--140
        
           Henry Norris Russell   The Heavens in March . . . . . . . . . . 153--153
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 155--156
                      Anonymous   Recently Patented Inventions . . . . . . 160--160
                      Anonymous   Notes and Queries  . . . . . . . . . . . 161--161
                      Anonymous   Index of Inventions  . . . . . . . . . . 161--164
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 165--165
                      Anonymous   Rapid and Slow Construction of Public
                                  Works  . . . . . . . . . . . . . . . . . 148--148
                      Anonymous   The Cooper Hewitt Interrupter  . . . . . 148--148
                   C. W. Kanolt   Radium-Its Extraordinary Properties  . . 149--149
                      Anonymous   Proposed Subway and Elevated Extension
                                  in New York City . . . . . . . . . . . . 149--149
                      Anonymous   The Current Supplement . . . . . . . . . 149--149
                      Anonymous   New Method for Cutting Asphalt Pavement  150--150
                      Anonymous   The Production of Low Temperatures . . . 150--150
                      Anonymous   The Injured Hull of the United States
                                  Cruiser ``Brooklyn'' . . . . . . . . . . 151--151
                      Anonymous   The Construction of the Asyut Dam; Nile
                                  Irrigation Works . . . . . . . . . . . . 152--152
                Rev. Lewis Bond   Tripping Hoist for Well Buckets  . . . . 153--153
              Randolph I. Geare   Venomous Serpents. --- III . . . . . . . 154--154
                      Anonymous   Patent Department  . . . . . . . . . . . 158--158
                      Anonymous   Device for Preventing the Switching of
                                  Cows' Tails  . . . . . . . . . . . . . . 158--158
                      Anonymous   Two Simple Fastening Devices . . . . . . 158--158
                      Anonymous   Rein Support . . . . . . . . . . . . . . 158--158
                      Anonymous   A New Insulating Material  . . . . . . . 158--159
                      Anonymous   Business and Personal Wants  . . . . . . 161--161
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 8--8
                      Anonymous   Recently Patented Inventions . . . . . . 15--15
                      Anonymous   Notes and Queries  . . . . . . . . . . . 15--16
                      Anonymous   Index of Inventions  . . . . . . . . . . 16--16
                      Anonymous   Universities in the United States and
                                  Great Britain  . . . . . . . . . . . . . 4--4
                      Anonymous   The Alderman and the Engineer  . . . . . 4--4
                      Anonymous   The New Army Rifle . . . . . . . . . . . 4--4
                      Anonymous   The Growth of our Foreign Commerce . . . 4--4
                      Anonymous   A Ship Canal through Scotland  . . . . . 4--4
                      Anonymous   Destroying the Water Hyacinth by a New
                                  Chemical Process . . . . . . . . . . . . 4--5
                      Anonymous   Marconi in Rome  . . . . . . . . . . . . 5--5
                      Anonymous   An Electric Tramway Operated upon the
                                  Lorain Contact Box System  . . . . . . . 5--5
                      Anonymous   The Union Engineering Building . . . . . 5--5
                      Anonymous   The Current Supplement . . . . . . . . . 5--5
                      Anonymous   Borelly's Comet  . . . . . . . . . . . . 5--5
                      Anonymous   Alexander Melville Clark . . . . . . . . 5--5
                      Anonymous   The Telechirograph --- a New Facsimile
                                  Telegraph  . . . . . . . . . . . . . . . 6--6
                      Anonymous   How Large Steamers are Divided and Taken
                                  through the Canadian Canal . . . . . . . 7--7
                      Anonymous   Production of Fluorine in Moissan's
                                  Electrolytic Apparatus . . . . . . . . . 7--8
               Day Allen Willey   Automatic Machinery for Handling Coal    8--8
                       C. Field   A Quaint Diving Apparatus of the
                                  Eighteenth Century . . . . . . . . . . . 9--9
                      Anonymous   How to Make a Paper Cane . . . . . . . . 9--9
                      Anonymous   American Cars to Compete in the
                                  Gordon--Bennett Cup Race . . . . . . . . 10--10
                      Anonymous   The Great Goose Creek Dam for the Denver
                                  Water Supply . . . . . . . . . . . . . . 11--12
                      Anonymous   Pullman Cars in a Railroad Wreck . . . . 12--12
                      Anonymous   Patent Department  . . . . . . . . . . . 13--13
                      Anonymous   Vaporizer for Internal Combustion
                                  Engines  . . . . . . . . . . . . . . . . 14--14
                      Anonymous   A Simple Chimney Flue Cleaner  . . . . . 14--14
                      Anonymous   Engine for Motor Bicycles  . . . . . . . 14--14
                      Anonymous   Oddities in Inventions . . . . . . . . . 14--14
                      Anonymous   Business and Personal Wants  . . . . . . 15--15
        
           Henry Norris Russell   The Heavens in September . . . . . . . . 163--163
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 174--174
                      Anonymous   Recently Patented Inventions . . . . . . 175--175
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 175--175
                      Anonymous   Notes and Queries  . . . . . . . . . . . 176--176
                      Anonymous   Index of Inventions  . . . . . . . . . . 176--177
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 177--177
                      Anonymous   The Triumph of the Scow  . . . . . . . . 162--162
                      Anonymous   ``Scientific Hooliganism'' Again . . . . 162--162
                      Anonymous   The Great Subway Power Plant . . . . . . 162--162
                      Anonymous   Electricity on the Miami and Erie Canal  162--163
                      Anonymous   Science Notes  . . . . . . . . . . . . . 163--163
                      Anonymous   Turbine Yachts at the International
                                  Races  . . . . . . . . . . . . . . . . . 164--164
                      Anonymous   Manufacture of Carbonated Mineral Waters 165--166
                      Anonymous   Guarini's Wireless Fire Alarm Apparatus  166--166
                      Anonymous   How the Earth's Movements are Noted  . . 167--167
                      Anonymous   The ``Shamrock''--``Reliance'' Races of
                                  1903 . . . . . . . . . . . . . . . . . . 168--169
            Frederick A. Talbot   The Spencer Airship For 1903 . . . . . . 169--170
                    S. W. Balch   A New Record in Horse Trotting . . . . . 170--170
                      Anonymous   The Largest Transformer in the World . . 171--171
                      Anonymous   Kunzite --- a New Gem  . . . . . . . . . 171--171
          Charles E. Hutchinson   A Bolas-Throwing Spider  . . . . . . . . 172--172
                      Anonymous   Variable Speed Gear for Motor-Driven
                                  Sewing Machines  . . . . . . . . . . . . 173--173
                      Anonymous   Wave Motor for Pumping Ships . . . . . . 173--173
                      Anonymous   Oddities in Invention  . . . . . . . . . 173--174
                      Anonymous   Marconi Wireless . . . . . . . . . . . . 175--175
                      Anonymous   Business and Personal Wants  . . . . . . 175--175
        
                      Anonymous   Recently Patented Inventions . . . . . . 192--192
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 192--192
                      Anonymous   Notes and Queries  . . . . . . . . . . . 193--193
                      Anonymous   Index of Inventions  . . . . . . . . . . 193--194
                      Anonymous   Another Great Hydraulic-Electric Power
                                  Plant  . . . . . . . . . . . . . . . . . 182--182
                      Anonymous   The Last of a Famous Liner . . . . . . . 182--182
                      Anonymous   Is Yacht Designing an Exact Science  . . 182--182
                      Anonymous   Limits of Electric Traction with Direct
                                  Current  . . . . . . . . . . . . . . . . 182--183
                      Anonymous   The Agreement between the British
                                  Government and the Cunard and Morgan
                                  Combine Mercantile Fleets  . . . . . . . 183--183
                      Anonymous   More Information about the Prize for a
                                  Dust-Arresting Respirator  . . . . . . . 183--183
                      Anonymous   Science Notes  . . . . . . . . . . . . . 183--183
                      Anonymous   Electro-Telethermometer of Juan Vila
                                  Forns  . . . . . . . . . . . . . . . . . 184--184
                      Anonymous   English Artillery Trophies at Mont St.
                                  Michel . . . . . . . . . . . . . . . . . 184--184
                  A. Gradenwitz   A Novel Measuring Machine  . . . . . . . 184--184
                       A. Bosch   Photography in Colors --- The Three
                                  Color Method . . . . . . . . . . . . . . 185--186
                 Walter H. Main   Spier Falls Dam and Power Plant  . . . . 186--187
                  Emile Guarini   Electricity as an Aid to Agriculture ---
                                  a Description of Two Model Electrical
                                  Farms  . . . . . . . . . . . . . . . . . 188--189
              Randolph I. Geare   Tattooing  . . . . . . . . . . . . . . . 189--190
             Charles Alma Byers   Elephant Rock and Other Bowlders . . . . 191--191
                      L. Lodian   ``Coal-Porcelain'' . . . . . . . . . . . 191--191
                      Anonymous   Business and Personal Wants  . . . . . . 192--192
        
                      Anonymous   Recently Patented Inventions . . . . . . 208--208
                      Anonymous   Notes and Queries  . . . . . . . . . . . 208--209
                      Anonymous   Index of Inventions  . . . . . . . . . . 209--209
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 211--211
                      Anonymous   Great Economy of the Motor Cycle . . . . 198--198
                      Anonymous   Eye-Bar Cables . . . . . . . . . . . . . 198--198
                      Anonymous   Intermediate Batteries on Battleships    198--198
                      Anonymous   Distribution of Trade at the Ports of
                                  the United States  . . . . . . . . . . . 198--198
                      Anonymous   The Cause and Cure of Hay Fever  . . . . 198--198
                      Anonymous   Alcohol as an Illuminant . . . . . . . . 198--198
                 Alton D. Adams   Expansion of Electric Railways in
                                  Massachusetts  . . . . . . . . . . . . . 199--199
                      Anonymous   Science Notes  . . . . . . . . . . . . . 199--199
                      Anonymous   A Floating Piston  . . . . . . . . . . . 200--200
                      Anonymous   A Non-Freezing Valve . . . . . . . . . . 200--200
                    H. D. Jones   Some Interesting Models  . . . . . . . . 200--201
               W. Frank M'Clure   The Automobile as a Plow Horse . . . . . 201--201
          Charles Richard Dodge   The Pulque and Mescal of Mexico  . . . . 201--202
                      Anonymous   Blackwell's Island Bridge  . . . . . . . 202--203
                      Anonymous   Experiments with Motor-Driven Aeroplanes 204--204
                   C. F. Holder   A Singular Profession  . . . . . . . . . 205--206
                      Anonymous   A Ship Brake . . . . . . . . . . . . . . 206--206
                  Emile Guarini   The Seas of Fog  . . . . . . . . . . . . 207--207
                      Anonymous   Business and Personal Wants  . . . . . . 208--208
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 218--219
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 225--225
                      Anonymous   Recently Patented Inventions . . . . . . 226--227
                      Anonymous   Notes and Queries  . . . . . . . . . . . 227--228
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 228--228
                      Anonymous   Index of Inventions  . . . . . . . . . . 228--229
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 231--231
                      Anonymous   Life is Longer under Modern Conditions   214--214
                      Anonymous   Elevated and Trolley Tracks on the New
                                  Bridges  . . . . . . . . . . . . . . . . 214--214
                      Anonymous   Steam Turbine for Ocean Liners . . . . . 214--214
                      Anonymous   Merchants' Association on City Transit   214--214
                      Anonymous   Torpedo Experiments with the
                                  ``Belleisle'' by the British Admiralty   214--215
                    V. E. Cline   Eucalypts and the World's Fuel . . . . . 215--215
                      Anonymous   Science Notes  . . . . . . . . . . . . . 215--215
                      Anonymous   A Novel Spiral Bridge  . . . . . . . . . 216--216
                      Anonymous   The Berliner Aeroplane . . . . . . . . . 216--216
                      Anonymous   Revolving Lanterns for Lighthouses . . . 217--218
                      Anonymous   The Bessemer Copper Process  . . . . . . 218--218
                      Anonymous   The Hyposcope  . . . . . . . . . . . . . 220--220
                      Anonymous   Communication with Trains by Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 220--221
          Charles C. Willoughby   Piedras Negras, a Newly Discovered
                                  Prehistoric City in Guatemala  . . . . . 221--222
                   Jacob Backes   Callitypy --- a New Way of Using the
                                  Typewriter . . . . . . . . . . . . . . . 222--222
                      Anonymous   A Trick with the Telephone . . . . . . . 223--223
                      Anonymous   Improved Rail Joint  . . . . . . . . . . 223--223
                      Anonymous   Combined Carpet Stretcher and Tacker . . 223--223
                      Anonymous   Fastening Device for Vent Pipes  . . . . 223--223
                      Anonymous   Oddities in Invention  . . . . . . . . . 224--224
                      Anonymous   Business and Personal Wants  . . . . . . 227--227
        
           Henry Norris Russell   The Heavens in October . . . . . . . . . 235--235
                      Anonymous   Recently Patented Inventions . . . . . . 246--246
                      Anonymous   Notes and Queries  . . . . . . . . . . . 246--247
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 247--247
                      Anonymous   Index of Inventions  . . . . . . . . . . 247--247
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 250--250
                      Anonymous   The Future Water Supply of New York City 234--234
                      Anonymous   Pipe Galleries vs. Upturned Streets  . . 234--234
                      Anonymous   At Last, the Side-Door Passenger Car . . 234--234
              Golfrey L. Carden   The 60,000 Horsepower Plant at the
                                  World's Fair . . . . . . . . . . . . . . 234--235
                      Anonymous   The Sievert Process of Mechanical Glass
                                  Blowing  . . . . . . . . . . . . . . . . 236--236
                      Anonymous   London's Gasoline-Propelled Cabs . . . . 237--237
                      Anonymous   The New Telegraphone . . . . . . . . . . 237--238
               Frank C. Perkins   European Floating and Dock Cranes  . . . 239--239
                      Anonymous   Moving the Columns of St. John the
                                  Divine . . . . . . . . . . . . . . . . . 240--240
                 Waldon Fawcett   Latest Progress in Good Roads
                                  Construction . . . . . . . . . . . . . . 241--242
                      Anonymous   A Nearly Total Eclipse of the Moon
                                  Observed by Means of Photoelectric
                                  Selenium Cells . . . . . . . . . . . . . 242--242
                      Anonymous   Some Curious Oyster Growths  . . . . . . 243--243
                George J. Jones   Stove with an Adjustable Firebox . . . . 244--245
                      Anonymous   Illuminated Cross for Church Towers  . . 245--245
                      Anonymous   Device for Preventing Waste of Water . . 245--245
                      Anonymous   Folding Step for Vestibule Cars  . . . . 245--245
                      Anonymous   A Low-Priced Typewriter  . . . . . . . . 246--246
                      Anonymous   Business and Personal Wants  . . . . . . 246--246
        
                      Anonymous   Recently Patented Inventions . . . . . . 264--264
                      Anonymous   Notes and Queries  . . . . . . . . . . . 264--264
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 265--265
                      Anonymous   Index of Inventions  . . . . . . . . . . 265--265
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 266--266
                      Anonymous   The Double-Deck Car for Rapid Transit    254--254
                      Anonymous   Keeping the Health of a City . . . . . . 254--255
                     James Weir   Certain Curious Effects of the Violet
                                  Rays . . . . . . . . . . . . . . . . . . 255--255
                      Anonymous   Fruit and Nuts as Food . . . . . . . . . 255--255
                      Anonymous   Science Notes  . . . . . . . . . . . . . 255--255
                  Emile Guarini   The Flight of Birds Mechanically Studied 256--257
                      Anonymous   The Barney Brick Conveyer  . . . . . . . 257--258
                        A Bosch   The Petroleum Districts and
                                  Mud-Volcanoes of Java  . . . . . . . . . 259--259
                A. W. Fullerton   The Largest Hydraulic Canal Locks in the
                                  World  . . . . . . . . . . . . . . . . . 260--260
                      Anonymous   An Ingenious Sculpturing Machine . . . . 260--262
                      Anonymous   A New Aeroplane  . . . . . . . . . . . . 262--262
              Charles F. Holder   Indian Granaries . . . . . . . . . . . . 263--263
                      Anonymous   Business and Personal Wants  . . . . . . 264--264
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 275--275
                      Anonymous   Recently Patented Inventions . . . . . . 280--280
                      Anonymous   Notes and Queries  . . . . . . . . . . . 280--280
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 280--280
                      Anonymous   Index of Inventions  . . . . . . . . . . 280--281
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 281--281
                      Anonymous   One Hundred and Twenty-Five Miles an
                                  Hour --- a New Railroad Record . . . . . 270--270
                      Anonymous   Dangers in Irrigation  . . . . . . . . . 270--270
                      Anonymous   India Rubber and Its Substitutes . . . . 270--270
                      Anonymous   News from the Ziegler Expedition . . . . 270--270
                      Anonymous   New Automobile Track Records . . . . . . 271--271
                      Anonymous   First Day's Run of the New
                                  York--Pittsburgh Automobile Endurance
                                  Test . . . . . . . . . . . . . . . . . . 271--271
                      Anonymous   Queen Victoria's Ivory Chair of State    271--271
                      Anonymous   Battleship ``Missouri's'' Builders'
                                  Trial  . . . . . . . . . . . . . . . . . 271--271
                      Anonymous   Science Notes  . . . . . . . . . . . . . 271--271
                      Anonymous   The Failure of Langley's Aerodrome . . . 272--272
                      Anonymous   Electric Heater  . . . . . . . . . . . . 273--273
                      Anonymous   Machine for Drying Cocoa Beans . . . . . 273--273
                      Anonymous   The Kamm Typewriter for Use with
                                  Wireless Telegraphy  . . . . . . . . . . 273--274
                      Anonymous   The Latest Battleships for the United
                                  States Navy  . . . . . . . . . . . . . . 274--274
                      Anonymous   Chimney Cap  . . . . . . . . . . . . . . 275--275
                      Anonymous   The Sub-Target Gun Machine . . . . . . . 276--276
                 Waldon Fawcett   The Transportation of Lumber . . . . . . 276--278
                      Anonymous   An Early Road Locomotive . . . . . . . . 278--278
                      Anonymous   A Children's School Farm in the Heart of
                                  a Great City . . . . . . . . . . . . . . 279--279
                      Anonymous   The Latest Applications of the Gasoline
                                  Automobile Motor . . . . . . . . . . . . 279--279
                      Anonymous   Business and Personal Wants  . . . . . . 280--280
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 291--291
                      Anonymous   Recently Patented Inventions . . . . . . 296--297
                      Anonymous   Notes and Queries  . . . . . . . . . . . 297--297
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 297--297
                      Anonymous   Index of Inventions  . . . . . . . . . . 297--298
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 298--298
                      Anonymous   The Economy of Electric Traction . . . . 286--286
                      Anonymous   The Storage Reservoir as a Preventive of
                                  Floods . . . . . . . . . . . . . . . . . 286--286
                      Anonymous   The First Turbine Atlantic Liner . . . . 286--286
                      Anonymous   The Telephone and the Railway  . . . . . 286--287
                      Anonymous   The British Quest for an Eighteenpenny
                                  Safety Lamp  . . . . . . . . . . . . . . 287--287
                      Anonymous   New German Red Phosphorus Match  . . . . 287--287
                      Anonymous   The Current Supplement . . . . . . . . . 287--287
                      Anonymous   Aluminium in Flowering Plants  . . . . . 287--287
                      Anonymous   Sun Spots Photographed . . . . . . . . . 287--287
                      Anonymous   A Flooded Track  . . . . . . . . . . . . 288--288
                      Anonymous   Construction of the Railroad Across Salt
                                  Lake . . . . . . . . . . . . . . . . . . 288--288
               Day Allen Willey   Sanitary House Cleaning  . . . . . . . . 289--290
                Frederick Moore   Work of the Fisheries Commission . . . . 290--291
                      Anonymous   The Disposal of New York's Refuse  . . . 292--294
                      Anonymous   A Heavy Electric Locomotive  . . . . . . 294--294
              Walter L. Beasley   Remarkable Ceremonial Garments . . . . . 295--295
                      Anonymous   Business and Personal Wants  . . . . . . 297--297
        
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 312--312
                      Anonymous   Recently Patented Inventions . . . . . . 313--314
                      Anonymous   Notes and Queries  . . . . . . . . . . . 314--315
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 315--316
                      Anonymous   Index of Inventions  . . . . . . . . . . 316--317
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 318--318
                      Anonymous   A Transatlantic Clipper Service  . . . . 302--302
                      Anonymous   Wind Resistance in High-Speed Train
                                  Service  . . . . . . . . . . . . . . . . 302--302
                      Anonymous   Prehistoric Drawings of Animals, Etc.,
                                  in the Cave of Altamira, Spain . . . . . 302--303
                      Anonymous   The Ganz System of Electric Canal
                                  Haulage  . . . . . . . . . . . . . . . . 303--303
                      Anonymous   ``Home Mechanics for Amateurs''  . . . . 303--303
                      Anonymous   The Current Supplement . . . . . . . . . 303--303
                      Anonymous   Science Notes  . . . . . . . . . . . . . 303--303
                      Anonymous   Another ``Largest Locomotive'' . . . . . 304--304
                   R. A. Harris   A Machine for Facilitating the Analysis
                                  of Curves Representing Periodic
                                  Phenomena  . . . . . . . . . . . . . . . 304--305
                      Anonymous   Termination of the New York--Pittsburgh
                                  Automobile Endurance Test  . . . . . . . 305--307
                      Anonymous   Harlem River Tunnel of the Rapid Transit
                                  Subway . . . . . . . . . . . . . . . . . 307--307
               Day Allen Willey   Baltimore's System of Garbage Disposal   308--308
                      Anonymous   The Torpedo-Boat Destroyer ``Perry'' . . 309--309
                      Anonymous   The Long-Distance Record Run of an
                                  American Electric Automobile . . . . . . 310--310
                      Anonymous   Sun Spots  . . . . . . . . . . . . . . . 310--310
                      Anonymous   A New Type of Hollow Grate-Bar . . . . . 311--311
                      Anonymous   Oddities in Invention  . . . . . . . . . 311--312
                      Anonymous   Business and Personal Wants  . . . . . . 314--314
        
           Henry Norris Russell   The Heavens in November  . . . . . . . . 323--323
                      Anonymous   Index of Inventions  . . . . . . . . . . 332--332
                      Anonymous   The New Cunarders  . . . . . . . . . . . 322--322
                      Anonymous   Steel-Concrete Construction  . . . . . . 322--322
                      Anonymous   New Field Gun for the British Army . . . 322--322
                      Anonymous   The Death of Prof. R. H. Thurston  . . . 323--323
                      Anonymous   Some Powerful English Express
                                  Locomotives  . . . . . . . . . . . . . . 324--324
                      Anonymous   The Handling of Locomotives  . . . . . . 324--324
                      Anonymous   Steltje's Type-Printing Telegraph  . . . 325--325
                      Anonymous   A Portable Pneumatic Tool Outfit for
                                  Railroads  . . . . . . . . . . . . . . . 325--326
                  Emile Guarini   Recent Observations of the Planet
                                  Mercury  . . . . . . . . . . . . . . . . 326--327
               Arthur Inkersley   Dr. Greth's Airship  . . . . . . . . . . 327--327
                      Anonymous   A California Onion-Seed Farm . . . . . . 328--329
                      Anonymous   The new Santos-Dumont Airship  . . . . . 329--329
                      Anonymous   A House that Turns with the Sun  . . . . 330--330
            Harold J. Shepstone   Some New Hybrids . . . . . . . . . . . . 331--332
                      Anonymous   Business and Personal Wants  . . . . . . 332--332
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 27--27
                      Anonymous   Recently Patented Inventions . . . . . . 32--33
                      Anonymous   Notes and Queries  . . . . . . . . . . . 34--35
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 35--36
                      Anonymous   Index of Inventions  . . . . . . . . . . 36--36
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 37--37
                      Anonymous   Destruction of City Refuse . . . . . . . 22--22
                      Anonymous   The Steam Turbine for Ocean Service  . . 22--22
                      Anonymous   Growth of our Railroad System  . . . . . 22--22
                      Anonymous   Progress of the Uganda Railroad  . . . . 22--23
            Crittenden Marriott   Nickel-Steel . . . . . . . . . . . . . . 23--23
                      Anonymous   A Prize Offered for a Respirator . . . . 23--23
                      Anonymous   Science Notes  . . . . . . . . . . . . . 23--23
                      Anonymous   The Current Supplement . . . . . . . . . 23--23
                      Anonymous   The New Calais--Dover Turbine Steamer    24--24
                      Anonymous   The New Santos-Dumont Airships . . . . . 24--25
                      Anonymous   A Mechanical Sheep-Shearer . . . . . . . 25--26
                      Anonymous   The Water-Absorbing Properties of Plants 26--26
                     Shirl Herr   An Instrument for Detecting Delicate
                                  Acoustic Vibrations  . . . . . . . . . . 26--26
                      Anonymous   Philadelphia's High-Pressure Fire Pipe
                                  Line . . . . . . . . . . . . . . . . . . 28--28
                      Anonymous   A 6,000-Ton Floating Depositing Pontoon
                                  Dock . . . . . . . . . . . . . . . . . . 29--30
                J. Carter Beard   The Am\oeba --- a Slime Monster and its
                                  Victim . . . . . . . . . . . . . . . . . 31--31
                      Anonymous   Business and Personal Wants  . . . . . . 33--34
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 348--348
                      Anonymous   Recently Patented Inventions . . . . . . 353--353
                      Anonymous   Notes and Queries  . . . . . . . . . . . 357--357
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 358--358
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 358--359
                      Anonymous   Index of Inventions  . . . . . . . . . . 359--359
                      Anonymous   Modern Printing Methods  . . . . . . . . 338--338
                      Anonymous   How a Newspaper is Produced  . . . . . . 338--339
                      Anonymous   A Morning with Theodore L. De Vinne  . . 339--339
                      Anonymous   The Manufacture of Paper and Paper Pulp  340--340
                      Anonymous   Type Founding  . . . . . . . . . . . . . 340--341
                      Anonymous   The Autoplate  . . . . . . . . . . . . . 341--341
                      Anonymous   Stereotyping and Electrotyping . . . . . 341--341
                      Anonymous   Machine Composition  . . . . . . . . . . 341--342
                      Anonymous   The Graphotype . . . . . . . . . . . . . 342--343
                      Anonymous   The Invention of the Modern Press  . . . 343--343
                      Anonymous   The Newspaper Press  . . . . . . . . . . 343--343
                      Anonymous   Magazine and Book Presses  . . . . . . . 343--344
                      Anonymous   Automatic Jobbing Press  . . . . . . . . 344--344
                      Anonymous   Mechanical ``Printer's Devils''  . . . . 345--345
                      Anonymous   Combination Folding and Wire-Stitching
                                  Machine  . . . . . . . . . . . . . . . . 346--346
                      Anonymous   Book-Covering Machine for Applying Paper
                                  Covers to Books, Pamphlets, and
                                  Magazines  . . . . . . . . . . . . . . . 346--346
                      Anonymous   Bookbinding  . . . . . . . . . . . . . . 346--348
                  Emile Guarini   The Dupligraph . . . . . . . . . . . . . 349--349
                      Anonymous   Three-Color Process  . . . . . . . . . . 349--349
                      Anonymous   The \booktitleScientific American and
                                  the Supplement . . . . . . . . . . . . . 350--350
                      Anonymous   Delay in the Construction of Naval Ships 350--350
                      Anonymous   Death of Prof. Mommsen . . . . . . . . . 350--350
                      Anonymous   On the Theory of the Critical State  . . 350--350
                      Anonymous   A Graphical Comparison of Raw and
                                  Finished Products in the Printing and
                                  Paper-Making Trades  . . . . . . . . . . 351--351
                      Anonymous   Some of our Common Snakes --- I  . . . . 352--353
                      Anonymous   Business and Personal Wants  . . . . . . 356--356
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 371--371
                      Anonymous   Recently Patented Inventions . . . . . . 376--376
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 376--376
                      Anonymous   Index of Inventions  . . . . . . . . . . 376--377
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 379--379
                      Anonymous   Garbage Disposal and the Harbor Channels 366--366
                      Anonymous   The Williamsburg Bridge Fiasco . . . . . 366--366
                      Anonymous   Improvements in Tunnel-Boring Practice
                                  in London for Deep-Level Railroads . . . 366--367
                      Anonymous   The Workman Expedition to the Himalayas
                                  --- an Altitude of 23,394 Feet Reached   367--367
                      Anonymous   Science Notes  . . . . . . . . . . . . . 367--367
           A. Frederick Collins   Artificial Camphor . . . . . . . . . . . 368--368
                      Anonymous   The Jungfrau Railway . . . . . . . . . . 369--370
                      Anonymous   Some of Our Common Snakes --- II . . . . 372--372
                  C. D. Hayward   The Talamancans --- a Forgotten People
                                  of Panama  . . . . . . . . . . . . . . . 373--374
              Dennis H. Stovall   Hydraulic Elevators for Hoisting Placer
                                  Tailings . . . . . . . . . . . . . . . . 374--374
                      Anonymous   Patent Department  . . . . . . . . . . . 375--375
                      Anonymous   Improved Packing Ring  . . . . . . . . . 375--375
                      Anonymous   Tobacco Tamper and Cover for Tobacco
                                  Pipe . . . . . . . . . . . . . . . . . . 375--375
                      Anonymous   An Improved Construction for Coherers    375--375
                      Anonymous   Business and Personal Wants  . . . . . . 376--376
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 387--387
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 392--392
                      Anonymous   Recently Patented Inventions . . . . . . 393--395
                      Anonymous   Notes and Queries  . . . . . . . . . . . 395--395
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 395--395
                      Anonymous   Index of Inventions  . . . . . . . . . . 395--396
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 399--399
                      Anonymous   The Truth about the Belleville Boiler    382--382
                      Anonymous   Fireproof Metallic Cars and a Protected
                                  Third Rail Urgently Needed on Electric
                                  Elevated and Tunnel Railways . . . . . . 382--382
                      Anonymous   Government Tests of the Lake Submarine
                                  Boat . . . . . . . . . . . . . . . . . . 382--382
                      Anonymous   Photographic Prints without Light  . . . 382--383
         Arthur Bainbridge Hoff   Naming the Vessels of the Navy . . . . . 383--383
                      Anonymous   Science Notes  . . . . . . . . . . . . . 383--383
                      Anonymous   Some Large Glass Vessels . . . . . . . . 384--384
                Thomas R. Baker   A Still for Amateur and Class-Room Work  384--384
                      Anonymous   Two New Hack Saws  . . . . . . . . . . . 384--385
                      Anonymous   A Remarkable Early Græco--Roman Chariot   385--386
                      Anonymous   Hundred-Ton Naval Floating Crane . . . . 386--387
                      Anonymous   A Graphic Account of the Berlin--Zossen
                                  Record Run . . . . . . . . . . . . . . . 388--389
                Herbert C. Fyfe   The Finsen Light-Cure in England . . . . 389--390
                      Anonymous   A Siberian Mammoth . . . . . . . . . . . 390--390
              Charles F. Holder   Trapping Big Game of the Sea . . . . . . 391--391
                      Anonymous   Business and Personal Wants  . . . . . . 395--395
        
                      Anonymous   Recently Patented Inventions . . . . . . 414--414
                      Anonymous   Notes and Queries  . . . . . . . . . . . 415--415
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 415--415
                      Anonymous   Index of Inventions  . . . . . . . . . . 415--419
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 419--419
                      Anonymous   Still Another Radium Puzzle  . . . . . . 402--402
                      Anonymous   Wind Bracing During Erection . . . . . . 402--402
                      Anonymous   The Sixteen-Knot Sailing Yacht . . . . . 402--402
                      Anonymous   An Electromagnetic Theory of the Aurora
                                  Borealis . . . . . . . . . . . . . . . . 402--402
                      Anonymous   Arsenic in Hens' Eggs  . . . . . . . . . 402--403
           Henry Norris Russell   The Heavens in December  . . . . . . . . 403--403
                      Anonymous   Reporting by Electrophone  . . . . . . . 403--403
                      Anonymous   Science Notes  . . . . . . . . . . . . . 403--403
                      Anonymous   A Motor ``Pullman'' --- Lord Anglesey's
                                  New Mors . . . . . . . . . . . . . . . . 404--404
                      Anonymous   The ``Grangesberg'' --- a Giant
                                  Ore-Carrying Steamer . . . . . . . . . . 404--405
                      Anonymous   Photography by Electric Discharges . . . 405--405
                      Anonymous   Electric Blue-Print Machinery  . . . . . 405--407
                      Anonymous   The Obelisk of Mont Pelé  . . . . . . . . 407--407
              Walter L. Beasley   Picturesque Chinese Kites  . . . . . . . 408--408
                 J. S. Crawford   Staff --- Its Use and Treatment  . . . . 408--410
                      Anonymous   The Lebaudy Airship  . . . . . . . . . . 411--411
                      Anonymous   Patent Department  . . . . . . . . . . . 412--412
                      Anonymous   Display and Vending Case . . . . . . . . 412--412
                      Anonymous   Centrifugal Machine  . . . . . . . . . . 412--412
                      Anonymous   Oddities in Inventions . . . . . . . . . 413--413
                      Anonymous   Business and Personal Wants  . . . . . . 414--414
        
                      Anonymous   Notes and Queries  . . . . . . . . . . . 449--449
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 450--450
                      Anonymous   Index of Inventions  . . . . . . . . . . 450--454
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 453--453
                      Anonymous   Historical . . . . . . . . . . . . . . . 422--422
                      Anonymous   Secrets of our Supremacy in Iron and
                                  Steel  . . . . . . . . . . . . . . . . . 422--423
                  John F. Meigs   Recent Developments in Guns and Armor    423--423
                      Anonymous   The Future of our Steel Industry . . . . 423--423
                      Anonymous   The Manufacture of Steel Rails . . . . . 424--427
                      Anonymous   Manufacture of Gun Steel and Armor Plate 427--430
                      Anonymous   Statistics of Our Iron and Steel
                                  Production . . . . . . . . . . . . . . . 430--431
                      Anonymous   Manufacture of Bridge and Building
                                  Structural Shapes  . . . . . . . . . . . 432--433
                      Anonymous   Manufacture of Steel Pipe  . . . . . . . 434--435
                      Anonymous   Steel Wire and Nail Making . . . . . . . 436--438
                      Anonymous   Chain Making . . . . . . . . . . . . . . 439--440
                      Anonymous   ``Young America'' --- a Nautical
                                  Preparatory School . . . . . . . . . . . 441--441
                      Anonymous   Pompeiian Gladiatorial Arms  . . . . . . 442--443
               Walter K. Fisher   The Laysan Albatross and Its Dance . . . 444--444
                      Anonymous   Marceau's ``Butterfly''  . . . . . . . . 446--446
                      Anonymous   A Vertical House Moving  . . . . . . . . 446--447
                      Anonymous   Business and Personal Wants  . . . . . . 448--448
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 463--463
                      Anonymous   Recently Patented Inventions . . . . . . 470--471
                      Anonymous   Notes and Queries  . . . . . . . . . . . 472--472
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 472--473
                      Anonymous   Index of Inventions  . . . . . . . . . . 473--473
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 475--475
                      Anonymous   A Monumental Structure . . . . . . . . . 458--458
                      Anonymous   Important Development in Electric
                                  Traction . . . . . . . . . . . . . . . . 458--458
                      Anonymous   The Cunard Commission Turbine Test . . . 458--458
                      Anonymous   A New Steam Motor Car for Railroads  . . 458--458
                      Anonymous   The Next Congress of Americanists  . . . 458--458
                      Anonymous   The Death of Herbert Spencer . . . . . . 459--459
                      Anonymous   Death of Rear Admiral Bancroft Gherardi  459--459
                      Anonymous   Science Notes  . . . . . . . . . . . . . 459--459
                      Anonymous   The Current Supplement . . . . . . . . . 459--459
            Harold J. Shepstone   The Launch of the New Transatlantic
                                  Liner ``Baltic'' . . . . . . . . . . . . 460--460
                      Anonymous   A Sectional Steamer for our Colonial
                                  Possessions  . . . . . . . . . . . . . . 460--460
                John Trowbridge   The Noise of Lightning . . . . . . . . . 461--461
                      Anonymous   An Optical Pyrometer . . . . . . . . . . 461--462
                      Anonymous   An Odd Casting . . . . . . . . . . . . . 462--463
                      Anonymous   The Opening of the New East River Bridge 464--464
                Harold J. Bolce   Ornithological Discoveries on Laysan . . 465--466
                      Anonymous   California String Beans  . . . . . . . . 466--466
                      Anonymous   Patent Department  . . . . . . . . . . . 467--467
                      Anonymous   Safety Alarm Device for Marine Vessels   467--467
                      Anonymous   Improved Feed-Water Filter . . . . . . . 467--468
                      Anonymous   Oddities in Inventions . . . . . . . . . 468--469
                      Anonymous   Business and Personal Wants  . . . . . . 471--471
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 483--484
                      Anonymous   Recently Patented Inventions . . . . . . 489--489
                      Anonymous   Notes and Queries  . . . . . . . . . . . 489--489
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 489--489
                      Anonymous   Index of Inventions  . . . . . . . . . . 489--492
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 491--491
                      Anonymous   Proposed New Patent Office Building at
                                  Washington . . . . . . . . . . . . . . . 478--478
                      Anonymous   Brunel and the ``Great Eastern'' . . . . 478--478
                      Anonymous   Some Early Subscribers Heard from  . . . 478--478
                      Anonymous   A Convention on Mosquito Extermination   478--479
                      Anonymous   An English Test of the Edison Battery    479--479
                      Anonymous   Final World's Fair Dividend  . . . . . . 479--479
                      Anonymous   To Our Subscribers . . . . . . . . . . . 479--479
                      Anonymous   The Current Supplement . . . . . . . . . 479--479
                      Anonymous   Eiffel Tower to Be Dismantled  . . . . . 479--479
                      Anonymous   Distribution of the Nobel Prizes . . . . 479--479
              Alfred Gradenwitz   The Berlin Printing-Telegraph Central
                                  Station  . . . . . . . . . . . . . . . . 480--480
                      Anonymous   A Pneumatic Rail Unloader  . . . . . . . 481--481
                      Anonymous   The First British Steam Railway to Adopt
                                  Electrical Working . . . . . . . . . . . 481--482
                      Anonymous   Improved Cream Separator . . . . . . . . 482--482
                      Anonymous   Sir Oliver Joseph Lodge, F.R.S.  . . . . 482--483
                      Anonymous   The Lake Submarine Torpedo Boat
                                  ``Protector''  . . . . . . . . . . . . . 485--486
                      Anonymous   The Latest Form of ``Looping the Loop''  486--486
                      Anonymous   A Successful Experiment with a
                                  Motor-Drlven Aeroplane . . . . . . . . . 486--486
              Randolph I. Geare   Pewter Ware  . . . . . . . . . . . . . . 487--489
                      Anonymous   Business and Personal Wants  . . . . . . 489--489
        
                      Anonymous   Recently Patented Inventions . . . . . . 52--52
                      Anonymous   Notes and Queries  . . . . . . . . . . . 52--52
                      Anonymous   Index of Inventions  . . . . . . . . . . 52--52
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 54--54
                      Anonymous   Dam Failures not the Act of God  . . . . 42--42
                      Anonymous   ``Shamrock'' and ``Reliance''  . . . . . 42--42
                      Anonymous   The Book Paper of the Future . . . . . . 42--43
                 J. H. Thompson   Present Conditions in Alaska . . . . . . 43--43
                      Anonymous   Science Notes  . . . . . . . . . . . . . 43--43
                      Anonymous   Core Drilling without Diamonds . . . . . 44--44
                      Anonymous   An Electric Hammer . . . . . . . . . . . 44--45
                George J. Jones   Electric Blue-Print Making . . . . . . . 45--46
                      Anonymous   The First Atlantic Cable Station in
                                  America  . . . . . . . . . . . . . . . . 46--46
                      Anonymous   Approach to the New East River Bridge    46--47
                      Anonymous   The New Liner ``Arabic'' . . . . . . . . 48--48
                      Anonymous   The ``Gleniffer''  . . . . . . . . . . . 48--50
                      Anonymous   The Automatic Restaurant . . . . . . . . 50--51
                      Anonymous   Some Freak Cycle-Whirls and
                                  Loop-the-Loops . . . . . . . . . . . . . 51--51
                      Anonymous   The Ideal Lawn Mower Grinder . . . . . . 52--52
                      Anonymous   Business and Personal Wants  . . . . . . 52--52
        
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 68--68
                      Anonymous   Recently Patented Inventions . . . . . . 69--70
                      Anonymous   Notes and Queries  . . . . . . . . . . . 70--71
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 71--72
                      Anonymous   Index of Inventions  . . . . . . . . . . 72--73
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 73--73
                      Anonymous   Public Appropriations and the Board of
                                  Aldermen . . . . . . . . . . . . . . . . 58--58
                      Anonymous   The Merchants' Association and the New
                                  Reservoir  . . . . . . . . . . . . . . . 58--58
                      Anonymous   Industrial Chemistry in the South during
                                  the Civil War  . . . . . . . . . . . . . 58--58
                      Anonymous   Chain vs. Wire Cables in the New East
                                  River Bridge . . . . . . . . . . . . . . 59--59
                      Anonymous   Combs and Cigar Holders Made of Milk . . 59--59
                      Anonymous   The ``Akouphone'' --- a Correction . . . 59--59
                      Anonymous   Death of Charles C. Martin . . . . . . . 59--59
                      Anonymous   New Tests by Dr. Wiley . . . . . . . . . 59--59
                      Anonymous   The Death of Eugene Vanderpool . . . . . 59--59
                      Anonymous   An Improved Static Electric Machine  . . 60--60
                      Anonymous   French Commerce-Destroyer ``Guichen''    60--60
                      Anonymous   The Gordon Bennett Automobile Cup Race   61--63
                John Trowbridge   The Study of Gases and Metals at Very
                                  High Temperatures  . . . . . . . . . . . 63--64
                      Anonymous   Progress of the Louisiana Purchase
                                  Exposition . . . . . . . . . . . . . . . 65--65
                      Anonymous   From Cruiser to Racing Machine . . . . . 65--66
                      Anonymous   Patent Department  . . . . . . . . . . . 66--66
                      Anonymous   Snow Guard for Lumbermen's Overshoes . . 66--67
                      Anonymous   Magnetic Tool Holder . . . . . . . . . . 67--67
                      Anonymous   Automobile Frame and Driving Axle Gear   67--67
                      Anonymous   Oddities in Inventions . . . . . . . . . 67--67
                      Anonymous   Business and Personal Wants  . . . . . . 70--70
        
           Henry Norris Russell   The Heavens in August, 1903  . . . . . . 79--79
                      Anonymous   Recently Patented Inventions . . . . . . 88--88
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 88--88
                      Anonymous   Index of Inventions  . . . . . . . . . . 88--89
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 90--90
                      Anonymous   The Torpedo Tube and our New Battleships 78--78
                      Anonymous   Electrochemical Discoveries  . . . . . . 78--78
                      Anonymous   Nordenskiold's Ship Crushed in the Ice
                                  Pack . . . . . . . . . . . . . . . . . . 78--79
                      Anonymous   Borelly's Comet  . . . . . . . . . . . . 79--79
                      Anonymous   White Spot on Saturn . . . . . . . . . . 79--79
                      Anonymous   An Improved Type of Steam Nozzle . . . . 80--80
                      Anonymous   The Edem Fog Signal  . . . . . . . . . . 80--80
                      Anonymous   Auto Chairs for the St. Louis Fair . . . 81--81
                 Waldon Fawcett   Improvements in Steam Shovels  . . . . . 81--82
                      Anonymous   The Projections of the Planet Mars . . . 82--83
                   J. Winterton   The Volcanic Eruptions in Guatemala  . . 84--84
                      Anonymous   The Ore-Carrying Wire Ropeway at Vivero,
                                  Spain  . . . . . . . . . . . . . . . . . 84--86
                      Anonymous   A Prism for Measuring the Actual Dip of
                                  the Horizon  . . . . . . . . . . . . . . 86--86
              Walter L. Beasley   A Remarkable Fossil Discovery  . . . . . 87--87
                      Anonymous   Business and Personal Wants  . . . . . . 88--88
        
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 104--104
                      Anonymous   Recently Patented Inventions . . . . . . 105--106
                      Anonymous   Notes and Queries  . . . . . . . . . . . 106--108
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 108--109
                      Anonymous   Index of Inventions  . . . . . . . . . . 109--109
                      Anonymous   The Transatlantic Run of the
                                  ``Kearsarge''  . . . . . . . . . . . . . 94--94
                      Anonymous   The Behring Strait Tunnel Again  . . . . 94--94
                      Anonymous   The Speed of the Automobile  . . . . . . 94--94
                      Anonymous   Marvelous Production of Iron and Steel   94--94
                      Anonymous   The Slaughter Goes On  . . . . . . . . . 94--94
                      Anonymous   More News about Edison's Storage Battery 94--95
                      Anonymous   Proposed Forth--Clyde Ship Canal . . . . 95--95
                      Anonymous   Recent Automobile Track Records  . . . . 96--97
                      Anonymous   A Multiface Linotype Machine . . . . . . 97--97
                Walton Harrison   Eccentricities of the Static Discharge   98--98
                      Anonymous   Prof. Sir William Crookes, F.R.S.  . . . 99--99
                      Anonymous   Marconi Wireless Telegraph Relics  . . . 100--100
                      Anonymous   Motor Boat Races in Ireland for the
                                  Harmsworth Cup . . . . . . . . . . . . . 101--101
              Charles F. Holder   The Ribbon Fish and the Sea Serpent  . . 101--102
                      Anonymous   Patent Department  . . . . . . . . . . . 102--102
                      Anonymous   A Fountain Painting Apparatus  . . . . . 102--103
                      Anonymous   A Novel Picture Exhibitor  . . . . . . . 103--103
                      Anonymous   Vacuum Pump for Bulbs of Electric Lamps  103--103
                      Anonymous   Freight Car with Removable Roof  . . . . 103--103
                      Anonymous   Business and Personal Wants  . . . . . . 106--106
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 119--119
                      Anonymous   Recently Patented Inventions . . . . . . 124--124
                      Anonymous   Notes and Queries  . . . . . . . . . . . 124--125
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 125--125
                      Anonymous   Index of Inventions  . . . . . . . . . . 125--126
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 127--127
                      Anonymous   Broadway Tunnel Controversy  . . . . . . 114--114
                      Anonymous   A Day with the ``Shamrocks'' . . . . . . 114--115
                      Anonymous   Present Status of American Shipbuilding  115--115
                      Anonymous   The Ninth International Geological
                                  Congress . . . . . . . . . . . . . . . . 115--115
                   Mary Proctor   Prof. Barnard's Observations of the
                                  White Spot on Saturn . . . . . . . . . . 115--115
                      Anonymous   A New Gold District  . . . . . . . . . . 115--115
                      Anonymous   The Current Supplement . . . . . . . . . 115--115
                    F. N. Massa   An Instrument for Describing
                                  Mathematical Curves  . . . . . . . . . . 116--116
                  Emile Guarini   An Audible and Visible Railway Signal
                                  for Grade Crossings, Operated by a High
                                  Tension Current  . . . . . . . . . . . . 117--117
          William Gilbert Irwin   Waterway Improvement on the Ohio . . . . 117--118
              Walter L. Beasley   The Secret Cannibal Society of the
                                  Kwakiutl . . . . . . . . . . . . . . . . 120--122
                      Anonymous   An Automatic Device for Replacing
                                  Bowling Alley Pins . . . . . . . . . . . 122--122
                      Anonymous   The Sending of the President's Message
                                  around the World . . . . . . . . . . . . 122--123
                      Anonymous   A Novel Amusement Apparatus  . . . . . . 123--123
                      Anonymous   An Efficient Low-Priced Typewriter . . . 124--124
                      Anonymous   Business and Personal Wants  . . . . . . 124--124
        
                      Anonymous   Recently Patented Inventions . . . . . . 140--140
                      Anonymous   Notes and Queries  . . . . . . . . . . . 141--141
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 141--141
                      Anonymous   Index of Inventions  . . . . . . . . . . 141--142
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 143--143
               Frank C. Perkins   Modern Searchlights  . . . . . . . . . . 129--129
                      Anonymous   The New Chemistry  . . . . . . . . . . . 130--130
                      Anonymous   Fire Peril on Underground Railroads  . . 130--130
                      Anonymous   Foreign Gas Engines at the World's Fair  130--131
               Egbert P. Watson   The Mandatory Blue Print . . . . . . . . 131--131
                      Anonymous   N-Rays Discovered by M. Blondlot . . . . 131--131
                      Anonymous   Langley's Aerodrome Experiments  . . . . 131--131
                      Anonymous   The Hudson River Tunnel  . . . . . . . . 132--133
                      Anonymous   The Beaver as a Dam-Builder  . . . . . . 133--134
                   Mary Proctor   Borelly's Comet  . . . . . . . . . . . . 135--135
                 W. W. Campbell   Observations of Borelly's Comet at Lick
                                  Observatory  . . . . . . . . . . . . . . 135--135
                      Anonymous   The Making of a Lead Pencil  . . . . . . 137--137
               Day Allen Willey   Alfalfa on Western Cattle Ranges . . . . 138--138
                J. Carter Beard   Flowers of Prey  . . . . . . . . . . . . 139--139
                      Anonymous   Business and Personal Wants  . . . . . . 140--140
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 151--151
                      Anonymous   Recently Patented Inventions . . . . . . 156--156
                      Anonymous   Notes and Queries  . . . . . . . . . . . 156--156
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--157
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 159--159
                      Anonymous   Colombia and the Panama Canal  . . . . . 146--146
                      Anonymous   A Problem for the Air-Ship Builder . . . 146--146
                      Anonymous   Direct Current vs. Induction Motor for
                                  Electric Traction  . . . . . . . . . . . 146--146
                   Harold Bolce   The Trap-Lantern as an Insect
                                  Exterminator . . . . . . . . . . . . . . 147--147
                Horace C. Hovey   Balloon Measurements of Mammoth Cave's
                                  Height . . . . . . . . . . . . . . . . . 147--147
                      Anonymous   Concrete House Building  . . . . . . . . 148--149
                      Anonymous   Automatic Paper-Feeders for Printing
                                  Machinery  . . . . . . . . . . . . . . . 149--150
                      Anonymous   Development of the 90-Foot Racing Yacht  152--154
                      Anonymous   Improved Breech Mechanism for Heavy Guns 154--154
                      Anonymous   Light Motor for a St. Louis Contest
                                  Airship  . . . . . . . . . . . . . . . . 154--155
                      Anonymous   Machine for Grooming and Shampooing
                                  Horses . . . . . . . . . . . . . . . . . 155--155
                      Anonymous   Improved Valve Mechanism . . . . . . . . 155--155
                      Anonymous   Cable Grip or Clutch Device  . . . . . . 155--155
                      Anonymous   Business and Personal Wants  . . . . . . 156--156
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 8--8
           Henry Norris Russell   The Heavens in January . . . . . . . . . 9--9
                      Anonymous   Recently Patented Inventions . . . . . . 14--15
                      Anonymous   Notes and Queries  . . . . . . . . . . . 15--16
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 16--16
                      Anonymous   Index of Inventions  . . . . . . . . . . 16--19
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 18--18
                      Anonymous   Retrospect of the Year 1903  . . . . . . 4--5
                      Anonymous   The Hydrobion  . . . . . . . . . . . . . 6--6
                      Anonymous   The Illumination of the East River
                                  Bridge . . . . . . . . . . . . . . . . . 6--6
                      Anonymous   The Durban Floating Dock and Workshop    7--8
                      Anonymous   An Albino Deer . . . . . . . . . . . . . 10--10
              Charles F. Holder   Meteorites and their Collectors  . . . . 10--10
                      Anonymous   Reconstruction of the Lackawanna Tracks
                                  through Newark . . . . . . . . . . . . . 10--13
                      Anonymous   Smoke Consumer . . . . . . . . . . . . . 13--13
                      Anonymous   Metallic Pipe Coupling . . . . . . . . . 13--13
                      Anonymous   A Long-Maned Horse . . . . . . . . . . . 13--13
                      Anonymous   Improved Dumping Car . . . . . . . . . . 13--13
                      Anonymous   Business and Personal Wants  . . . . . . 15--15
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 195--195
           Henry Norris Russell   The Heavens in March . . . . . . . . . . 195--195
                      Anonymous   Recently Patented Inventions . . . . . . 202--202
                      Anonymous   Notes and Queries  . . . . . . . . . . . 202--202
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 202--202
                      Anonymous   Index of Inventions  . . . . . . . . . . 203--207
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 206--206
                      Anonymous   The High-Speed Motor-Boat Model  . . . . 190--190
                      Anonymous   Raising Carrier Pigeons  . . . . . . . . 190--190
                      Anonymous   On the Working of Combined Coherers  . . 190--191
              Archibald S. Hurd   Fleets in the Far East --- an English
                                  Review of the Position of Russia and
                                  Japan  . . . . . . . . . . . . . . . . . 191--191
                      Anonymous   Science Notes  . . . . . . . . . . . . . 191--191
                      Anonymous   Rotary Valve for Sawmills  . . . . . . . 192--192
                      Anonymous   The Adam--Boudin Globular Boat . . . . . 192--192
                      Anonymous   Valve for Control of Hydraulic Elevators 192--192
                      Anonymous   The Largest Photograph in the World  . . 193--194
                      Anonymous   Samuel Pierpont Langley  . . . . . . . . 194--194
                      Anonymous   The Modern Torpedo . . . . . . . . . . . 196--196
              T. E. R. Phillips   Jupiter and his Surface Currents . . . . 197--197
                      Anonymous   Russia's Losses in the First Week of the
                                  War  . . . . . . . . . . . . . . . . . . 200--200
                      Anonymous   The ``Scooter''  . . . . . . . . . . . . 201--201
                      Anonymous   Business and Personal Wants  . . . . . . 202--202
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 215--215
                      Anonymous   Recently Patented Inventions . . . . . . 219--220
                      Anonymous   Business and Personal Wants  . . . . . . 220--220
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--223
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 220--220
                      Anonymous   The Darlington Apartment House Disaster  210--210
                      Anonymous   Report of the Army Board as to the
                                  Usefulness of the Lake Type of Submarine
                                  Boat for Coast Defense . . . . . . . . . 210--211
                      Anonymous   Results of Recent Experiments with
                                  N-Rays . . . . . . . . . . . . . . . . . 211--211
                      Anonymous   Examination of the Emanations Given off
                                  by Radium  . . . . . . . . . . . . . . . 211--211
                      Anonymous   A Year's Battleships in England  . . . . 211--211
                      Anonymous   The Tygard Reciprocating-Cylinder
                                  Double-Action Gasoline Motor . . . . . . 212--212
                      Anonymous   The Development of the High-Speed Launch
                                  or Automobile Boat . . . . . . . . . . . 213--214
                      Anonymous   The Japanese Destroyers  . . . . . . . . 214--215
                      Anonymous   Two Interesting Animals at the New York
                                  Zoological Park  . . . . . . . . . . . . 216--216
               Day Allen Willey   The Lesson of the Baltimore Fire . . . . 216--218
                      Anonymous   Official Test of the Lake Submarine Boat
                                  ``Protector''  . . . . . . . . . . . . . 218--218
             Helen Lukens Jones   Queer Hiding Place for Bees  . . . . . . 219--219
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 231--231
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 237--237
                      Anonymous   Recently Patented Inventions . . . . . . 238--239
                      Anonymous   Business and Personal Wants  . . . . . . 239--239
                      Anonymous   Notes and Queries  . . . . . . . . . . . 239--239
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 239--240
                      Anonymous   Index of Inventions  . . . . . . . . . . 240--243
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 240--240
                      Anonymous   The Completion of the North River Tunnel 226--226
                      Anonymous   Direct-Current Traction on the New York
                                  Central  . . . . . . . . . . . . . . . . 226--226
                      Anonymous   The Motive Power for High-Pressure Fire
                                  Service  . . . . . . . . . . . . . . . . 226--227
                      Anonymous   The British Naval Programme for 1904 . . 227--227
                      Anonymous   Science Notes  . . . . . . . . . . . . . 227--227
                      Anonymous   A Double-Deck Car for Rapid Transit  . . 228--228
                      Anonymous   De Glehn Compound for the Great Western
                                  Railway, England . . . . . . . . . . . . 228--229
                      Anonymous   New Pruning Shears . . . . . . . . . . . 229--229
                      Anonymous   An Improved Grain Valve  . . . . . . . . 229--229
                      Anonymous   Steam Turbine of 11,000 Horse-Power  . . 229--230
                  Emile Guarini   Experiments upon the Pressure of Wind at
                                  the Eiffel Tower . . . . . . . . . . . . 230--230
                      Anonymous   Thawing Out Frozen Water Pipes by
                                  Electricity from Storage Batteries . . . 231--231
                      Anonymous   Electricity in the Household . . . . . . 232--232
                      Anonymous   Our Knowledge of the Moon  . . . . . . . 232--234
                   G. H. Tilden   The Japanese Sword Exercise. --- I . . . 235--236
            D. I. Bushnell, Jr.   The Cahokia and Surrounding Mound Groups 236--236
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 251--251
                      Anonymous   Recently Patented Inventions . . . . . . 257--257
                      Anonymous   Notes and Queries  . . . . . . . . . . . 257--258
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 258--258
                      Anonymous   Index of Inventions  . . . . . . . . . . 258--263
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 260--260
                      Anonymous   Salt-Water Mains for Fire Protection . . 246--246
                      Anonymous   Future Extension of the Subway System    246--246
                      Anonymous   A Floral Map of the United States at the
                                  St. Louis Exposition . . . . . . . . . . 246--247
                      Anonymous   Borings on a Coral Reef  . . . . . . . . 247--247
                      Anonymous   The United States in 1903  . . . . . . . 247--247
                      Anonymous   Science Notes  . . . . . . . . . . . . . 247--247
                      Anonymous   Concrete Piling  . . . . . . . . . . . . 248--248
                      Anonymous   A Single-Cylinder, Reversible,
                                  Four-Cycle Gasoline Engine . . . . . . . 249--249
                      Anonymous   A New Gasoline Motor for Airships  . . . 249--249
                      Anonymous   A New System of Rapid Telegraphy . . . . 249--250
                      Anonymous   The New Vickers--Maxim 9.2-Inch
                                  Wire-Wound Gun . . . . . . . . . . . . . 250--250
                      Anonymous   The Abruzzi Polar Expedition --- I . . . 252--252
                      Anonymous   The Hudson River Tunnel  . . . . . . . . 253--254
                      Anonymous   Patent Department  . . . . . . . . . . . 255--255
                      Anonymous   Combination Lock for Umbrellas . . . . . 255--255
                      Anonymous   Harrow Tooth and Simple Fastening Device 255--255
                      Anonymous   Valve Mechanism for Locomotives  . . . . 255--255
                      Anonymous   Bending Device . . . . . . . . . . . . . 256--256
                      Anonymous   Improved Windmill  . . . . . . . . . . . 256--256
                      Anonymous   Mail Box for Rural Free Delivery Routes  256--256
                      Anonymous   Ore-Sampling Machine . . . . . . . . . . 256--256
                      Anonymous   Business and Personal Wants  . . . . . . 257--257
        
           Henry Norris Russell   The Heavens in April . . . . . . . . . . 267--267
                      Anonymous   Correspondence . . . . . . . . . . . . . 271--271
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 276--276
                      Anonymous   Recently Patented Inventions . . . . . . 277--277
                      Anonymous   Notes and Queries  . . . . . . . . . . . 278--278
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 279--279
                      Anonymous   Index of Inventions  . . . . . . . . . . 279--283
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 283--283
                      Anonymous   The Blindness of the Submarine . . . . . 266--266
                      Anonymous   High-Explosive Projectiles . . . . . . . 266--266
                      Anonymous   Dispersion and Wave Length of N-Rays . . 266--267
                      Anonymous   High-Speed Steam Railway Service . . . . 267--267
                      Anonymous   Science Notes  . . . . . . . . . . . . . 267--267
                      Anonymous   The Perspectartigraph --- a Novel
                                  Drawing Instrument . . . . . . . . . . . 268--268
                   G. H. Tilden   Japanese Swordmaking. --- II . . . . . . 269--270
                      Anonymous   The Battleship ``Mikasa'' in Action  . . 270--270
                      Anonymous   The Abruzzi Polar Expedition --- II  . . 272--272
                      Anonymous   Excavations in the Roman Forum . . . . . 273--273
                      Anonymous   Accident to the Battleship ``Illinois''  274--274
               Day Allen Willey   Raising Ostriches in the United States   275--275
                      Anonymous   Business and Personal Wants  . . . . . . 277--277
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 291--291
                      Anonymous   Recently Patented Inventions . . . . . . 297--297
                      Anonymous   Notes and Queries  . . . . . . . . . . . 297--299
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 299--299
                      Anonymous   Index of Inventions  . . . . . . . . . . 299--303
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 303--303
                      Anonymous   That Fire Peril Again  . . . . . . . . . 286--286
                      Anonymous   The Blocking of the Port Arthur Entrance 286--286
                      Anonymous   Departure of the Panama Canal Commission 286--286
                      Anonymous   Steel Roads for Country Districts  . . . 286--286
                      Anonymous   Cast-Iron Columns in the Darlington
                                  Hotel Collapse . . . . . . . . . . . . . 286--287
            Lieut. H. C. Dinger   The Steam Turbine and its Field in
                                  Marine Work  . . . . . . . . . . . . . . 287--287
                      Anonymous   Science Notes  . . . . . . . . . . . . . 287--287
                      Anonymous   Automatic Ore Loader . . . . . . . . . . 288--288
                      Anonymous   Pulling Strength of Men and Animals  . . 289--290
                      Anonymous   New Electrolytic Phenomenon  . . . . . . 290--290
                      Anonymous   Method of Timing Photographic Shutters   291--291
                      Anonymous   Malting and Brewing Conducted on
                                  Scientific Principles. --- I. Malting    292--293
                      Anonymous   Russia's Last Hope on the Sea  . . . . . 293--294
                      Anonymous   An Interesting Balancing Feat  . . . . . 294--294
                      Anonymous   Patent Department  . . . . . . . . . . . 295--295
                      Anonymous   Improved Calipers  . . . . . . . . . . . 295--295
                      Anonymous   Windmill with Reversing Attachment . . . 295--295
                      Anonymous   Convenient Attachment for Bird Cages . . 295--295
                      Anonymous   Oddities in Inventions . . . . . . . . . 296--296
                      Anonymous   Business and Personal Wants  . . . . . . 297--297
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 311--311
                      Anonymous   Recently Patented Inventions . . . . . . 316--316
                      Anonymous   Notes and Queries  . . . . . . . . . . . 316--316
                      Anonymous   Index of Inventions  . . . . . . . . . . 316--319
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 319--319
                      Anonymous   Turbine Engines for the New Cunarders    306--306
                      Anonymous   The Growth of our Street Railway Systems 306--306
                      Anonymous   A Barrage on the River Thames  . . . . . 306--306
                      Anonymous   Action of Light upon the Formation of
                                  Accumulators . . . . . . . . . . . . . . 306--306
                    A. C. Maury   Light in Crystals  . . . . . . . . . . . 307--307
                      Anonymous   Science Notes  . . . . . . . . . . . . . 307--307
                      Anonymous   Military Aspects of the Trans-Siberian
                                  Railway  . . . . . . . . . . . . . . . . 308--310
                      Anonymous   Resilient Wheel for Vehicles . . . . . . 310--310
                      A. Steens   The Cylindrical Movable Dams at
                                  Schweinfurt, Germany . . . . . . . . . . 312--312
                      Anonymous   The Beedle Airship . . . . . . . . . . . 313--313
                  Emile Guarini   A Portable Oxygen-Inhaling Apparatus . . 314--314
                      Anonymous   A Peculiar Blaze in the New York Subway  315--315
                      Anonymous   Business and Personal Wants  . . . . . . 316--316
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 323--323
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 333--333
                      Anonymous   Recently Patented Inventions . . . . . . 334--334
                      Anonymous   Business and Personal Wants  . . . . . . 334--334
                      Anonymous   Notes and Queries  . . . . . . . . . . . 334--335
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 335--335
                      Anonymous   Index of Inventions  . . . . . . . . . . 335--339
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 337--337
                      Anonymous   The Battleship ``Missouri'' Disaster . . 322--322
                      Anonymous   The Advantages and Drawbacks of Turbines
                                  for Ocean Steamers . . . . . . . . . . . 322--322
                      Anonymous   Experiments Made at the Laboratory in
                                  the Catacombs; Effect of Darkness upon
                                  Animals, Etc . . . . . . . . . . . . . . 322--323
             M. H. H. Macartney   The Caves and Dene-Holes at Chiselhurst  323--323
                      Anonymous   New Process of Manufacturing Ozone . . . 323--323
                      Anonymous   The Current Supplement . . . . . . . . . 323--323
                      Anonymous   Driving a Test Pile for the Hudson River
                                  Tunnel . . . . . . . . . . . . . . . . . 324--324
                      Anonymous   New Electric Chronometer for Timing
                                  Automobiles  . . . . . . . . . . . . . . 325--325
               Frank C. Perkins   A New English Aluminium Welding Machine  325--326
             Daniel F. Comstock   An Interesting Paradox . . . . . . . . . 326--326
                      Anonymous   The Russian Reverse at Port Arthur . . . 327--327
             Helen Lukens Jones   The Greatest of Pipe Organs  . . . . . . 328--329
                      Anonymous   The Submarine Mine . . . . . . . . . . . 330--330
                      Anonymous   Concrete Railway Bridges . . . . . . . . 331--331
              W. G. Fitz Gerald   A Fire Escape for Tourists and Travelers 332--332
                  Emile Guarini   A Novel Italian Unicycle . . . . . . . . 332--332
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 347--347
                      Anonymous   Recently Patented Inventions . . . . . . 351--351
                      Anonymous   Notes and Queries  . . . . . . . . . . . 351--352
                      Anonymous   Index of Inventions  . . . . . . . . . . 352--355
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 353--353
                      Anonymous   The Aqueduct Commissioners and the New
                                  York City Water Supply . . . . . . . . . 342--342
                      Anonymous   Longitudinal Bulkheads and Battleship
                                  Stability  . . . . . . . . . . . . . . . 342--342
                      Anonymous   The Preparation of Pure Argon  . . . . . 342--343
        Garrett P. Serviss, Jr.   Soaring Flight . . . . . . . . . . . . . 343--343
                      Anonymous   Science Notes  . . . . . . . . . . . . . 343--343
                      Anonymous   A German High-Speed Locomotive . . . . . 344--344
               W. Frank M'clure   The ``Wolvin,'' the Largest Fresh-Water
                                  Steamship Afloat . . . . . . . . . . . . 345--346
                      Anonymous   Two Home Made Wireless Telegraph
                                  Receivers  . . . . . . . . . . . . . . . 347--347
                      Anonymous   The Manufacture of Incised, or Cut Glass 348--350
                      Anonymous   The Automobile and Motor-Boat Races at
                                  Nice and Monte Carlo . . . . . . . . . . 350--351
                      Anonymous   Business and Personal Wants  . . . . . . 351--351
        
           Henry Norris Russell   The Heavens in May . . . . . . . . . . . 359--359
                      Anonymous   Recently Patented Inventions . . . . . . 370--372
                      Anonymous   Notes and Queries  . . . . . . . . . . . 372--374
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 375--376
                      Anonymous   Index of Inventions  . . . . . . . . . . 376--379
                      Anonymous   Commemoration of the Louisiana Purchase  358--358
                      Anonymous   Battleship or Torpedo Boat . . . . . . . 358--358
                      Anonymous   Some Interesting Facts about the
                                  Development of the Edison Storage
                                  Battery  . . . . . . . . . . . . . . . . 358--359
                      Anonymous   Action of Radium on Metals . . . . . . . 359--359
                      Anonymous   The Current Supplement . . . . . . . . . 359--359
                      Anonymous   Experiments with Three-Phase Electric
                                  Arcs . . . . . . . . . . . . . . . . . . 360--360
                      Anonymous   The Russian Ice-Breaker ``Ermack'' . . . 360--360
                      Anonymous   High-Velocity 6-Inch Wire-Wound Gun for
                                  the United States Army . . . . . . . . . 361--362
                      Anonymous   Growth of our Navy . . . . . . . . . . . 363--363
                Samuel Williams   The Louisiana Purchase Exposition ---
                                  Its Scope and its Purpose  . . . . . . . 364--365
              Claude H. Wetmore   The Largest Clock in the World . . . . . 365--366
                      Anonymous   Patent Department  . . . . . . . . . . . 367--367
                      Anonymous   A New Electric Clock . . . . . . . . . . 367--367
                      Anonymous   Strainer for Locomotives . . . . . . . . 367--367
                      Anonymous   The Hydraulic Letter Press . . . . . . . 367--368
                      Anonymous   A Novel Mail-Bag Catcher . . . . . . . . 368--368
                      Anonymous   A New Wrench . . . . . . . . . . . . . . 368--368
                      Anonymous   A Combined Third-Rail Contact Shoe and
                                  Sleet Remover  . . . . . . . . . . . . . 368--368
                      Anonymous   Business and Personal Wants  . . . . . . 372--372
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 27--27
                      Anonymous   Recently Patented Inventions . . . . . . 32--32
                      Anonymous   Notes and Queries  . . . . . . . . . . . 32--32
                      Anonymous   Index of Inventions  . . . . . . . . . . 32--35
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 34--34
                      Anonymous   A Call for Stronger Passenger Cars . . . 22--22
                      Anonymous   Can the Theater Fire be Prevented? . . . 22--22
                      Anonymous   A New Study of Bird Life . . . . . . . . 22--23
                      Anonymous   The Death of Jeremiah M. Allen . . . . . 23--23
                     H. C. Fyfe   The New British Shipbuilding Programme   23--23
                      Anonymous   Science Notes  . . . . . . . . . . . . . 23--23
               W. Frank M'clure   A Floating Theater . . . . . . . . . . . 24--24
                  Emile Guarini   A New Chloroforming Apparatus  . . . . . 24--25
                      Anonymous   Electricity on the Miami and Erie Canal  25--26
                      Anonymous   The Oldest Working Locomotive in the
                                  World  . . . . . . . . . . . . . . . . . 28--28
                      Anonymous   The Manufacture of Automobiles . . . . . 29--30
              Charles F. Holder   Deep-Sea Sunfish . . . . . . . . . . . . 30--31
                       V. Burti   How a Python Eats  . . . . . . . . . . . 31--31
                      Anonymous   Business and Personal Wants  . . . . . . 32--32
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 387--387
                      Anonymous   Recently Patented Inventions . . . . . . 391--392
                      Anonymous   Business and Personal Wants  . . . . . . 392--392
                      Anonymous   Notes and Queries  . . . . . . . . . . . 392--392
                      Anonymous   Index of Inventions  . . . . . . . . . . 392--395
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 395--395
                      Anonymous   Electric Traction Tests at the Worlds
                                  Fair . . . . . . . . . . . . . . . . . . 382--382
                      Anonymous   Turbine Ocean Steamers . . . . . . . . . 382--382
                      Anonymous   New System of Tunnel Construction  . . . 382--382
                      Anonymous   Our Available Iron-Ore Supply  . . . . . 382--382
                      Anonymous   On Some Novel N-Ray Phenomena  . . . . . 382--383
                  M. Metzenbaum   Induced Radio-Activity and Aluminium . . 383--383
                      Anonymous   Science Notes  . . . . . . . . . . . . . 383--383
              Edward J. Forster   New Method of Inflating Balloons in War
                                  Time . . . . . . . . . . . . . . . . . . 384--384
                      Anonymous   The Challenging Yacht ``Ingomar''  . . . 385--385
                      Anonymous   Automatic Match Lighter Operated by
                                  Alarm Clock  . . . . . . . . . . . . . . 385--386
                 J. Fid Tristan   An Improved Michaud Apparatus  . . . . . 386--386
                      Anonymous   The Torpedo Boat in Modern Warfare . . . 387--387
              Walter L. Beasley   Ruins of the Ancient Inca Empire . . . . 388--390
                      Anonymous   The Small Arms of the Russian and
                                  Japanese Armies  . . . . . . . . . . . . 390--391
                      Anonymous   New York's Spring Automobile Parade  . . 391--391
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 403--403
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 409--409
                      Anonymous   Recently Patented Inventions . . . . . . 410--410
                      Anonymous   Notes and Queries  . . . . . . . . . . . 410--411
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 411--411
                      Anonymous   Index of Inventions  . . . . . . . . . . 411--415
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 415--415
                      Anonymous   Rear Collisions on City Rapid Transit
                                  Systems  . . . . . . . . . . . . . . . . 398--398
                      Anonymous   Economy of Narrow-Gage Railroads . . . . 398--398
                      Anonymous   Results of the German Antarctic
                                  Expedition . . . . . . . . . . . . . . . 398--398
                      Anonymous   The Catalpa Tree . . . . . . . . . . . . 398--399
                  Robertus Love   Illumination of the Worlds Fair  . . . . 399--399
                      Anonymous   Death of Henry M. Stanley  . . . . . . . 399--399
                      Anonymous   The Distillation of Sea Water at Suakim  400--400
                      Anonymous   The Russian Army and Its Guns  . . . . . 400--402
                      Anonymous   The Manufacture of Mens Clothing on a
                                  Large Scale  . . . . . . . . . . . . . . 404--406
                      Anonymous   Interesting Experiments to Determine the
                                  Correct Lines for Gasoline Motor Boats   406--407
         William G. Fitz-Gerald   Life-Saving Apparatus in British Schools 407--407
                      Anonymous   Patent Department  . . . . . . . . . . . 408--408
                      Anonymous   New Riveter and Brace  . . . . . . . . . 408--408
                      Anonymous   Express Call for Large Office Buildings  408--408
                      Anonymous   Business and Personal Wants  . . . . . . 410--410
        
                      Anonymous   Recently Patented Inventions . . . . . . 427--427
                      Anonymous   Notes and Queries  . . . . . . . . . . . 427--427
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 427--428
                      Anonymous   Index of Inventions  . . . . . . . . . . 428--431
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 431--431
                      Anonymous   Increasing Railroad Fatalities . . . . . 418--418
                      Anonymous   The Japanese Disaster at Port Arthur . . 418--418
                   Fred T. Jane   Russian Naval Guns . . . . . . . . . . . 418--419
             Herbert W. Horwill   The Mother of Exhibitions  . . . . . . . 419--419
                      Anonymous   Transporter Bridge across the Manchester
                                  Ship Canal . . . . . . . . . . . . . . . 420--420
                      Anonymous   A Bad Case of Warped Railroad Track  . . 421--421
                  Emile Guarini   The Cyclograph . . . . . . . . . . . . . 421--422
                 George F. Kunz   Facsimile of Dr. Joseph Priestley's
                                  Invoice on Coming to America in 1794 . . 422--422
                      Anonymous   An Electrically-Operated Clock . . . . . 423--423
                      Anonymous   The Casting of the Williamsburg Bridge
                                  Entablatures --- a Notable Technical
                                  Achievement  . . . . . . . . . . . . . . 424--425
                      Anonymous   The Japanese Army and Its Guns . . . . . 425--426
                      Anonymous   Capt. Doenvig's Life-Saving Globe  . . . 426--426
                      Anonymous   Business and Personal Wants  . . . . . . 427--427
        
           Henry Norris Russell   The Heavens in June  . . . . . . . . . . 435--435
                      Anonymous   Correspondence . . . . . . . . . . . . . 439--439
                      Anonymous   Recently Patented Inventions . . . . . . 446--447
                      Anonymous   Notes and Queries  . . . . . . . . . . . 447--447
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 447--447
                      Anonymous   Index of Inventions  . . . . . . . . . . 447--451
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 451--451
                      Anonymous   The N-Rays: Are They Real or Illusory?   434--434
                      Anonymous   Submarine Mines on the High Seas . . . . 434--434
                      Anonymous   A World's Congress of Academies  . . . . 434--435
                      Anonymous   Charles H. Haswell's Ninety-Fifth
                                  Birthday . . . . . . . . . . . . . . . . 435--435
               Frank C. Perkins   Belgian and American Electric Lifting
                                  Magnets  . . . . . . . . . . . . . . . . 436--436
                      Anonymous   Electrically-Operated Versus
                                  Steam-Driven Mine Hoists . . . . . . . . 437--437
                      Anonymous   The Japanese Naval Disasters . . . . . . 438--438
                      Anonymous   New form of Radiation  . . . . . . . . . 438--438
                      Anonymous   Electrochemical Phonograph . . . . . . . 438--438
               W. Frank M'clure   The Manufacture of Straw Hats  . . . . . 440--441
                   H. A. Crafts   The Petroleum Reservoirs of California   441--441
                      Anonymous   An Arcade for New York City  . . . . . . 442--442
                      Anonymous   Wreck of the Russian Cruiser ``Bogatyr'' 442--442
                      Anonymous   Photography of Jupiter's Satellites  . . 443--443
              Alfred Gradenwitz   The Pielock Superheater System . . . . . 443--443
                      Anonymous   Patent Department  . . . . . . . . . . . 444--444
                      Anonymous   Rock Drill Attachment  . . . . . . . . . 444--444
                      Anonymous   A Novel Fly-Catcher  . . . . . . . . . . 444--444
                      Anonymous   Improved Railway Chair . . . . . . . . . 444--444
                      Anonymous   Compensating Device for Rope Tramways    444--445
                      Anonymous   A Tension Regulator for Overhead Cables  445--445
                      Anonymous   A Clothing Rack  . . . . . . . . . . . . 445--445
                      Anonymous   Device for Distributing Noxious Fumes    445--445
                      Anonymous   An Improved Portable Tent  . . . . . . . 445--445
                      Anonymous   Business and Personal Wants  . . . . . . 447--447
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 459--459
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 465--465
                      Anonymous   Recently Patented Inventions . . . . . . 466--466
                      Anonymous   Notes and Queries  . . . . . . . . . . . 467--467
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 467--467
                      Anonymous   Index of Inventions  . . . . . . . . . . 467--471
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 471--471
                      Anonymous   Growth of American Merchant Marine . . . 454--454
                      Anonymous   Electricity in Korea and Japan . . . . . 454--454
                      Anonymous   The Polar Regions  . . . . . . . . . . . 454--455
                      Anonymous   Calcium Carbide and Its Commercial
                                  Development  . . . . . . . . . . . . . . 455--455
                      Anonymous   Science Notes  . . . . . . . . . . . . . 455--455
                      Anonymous   The First American Auto-Boat Contest . . 456--456
                      Anonymous   The British Naval School for the
                                  Training of Divers . . . . . . . . . . . 457--458
                      Anonymous   Simultaneous Telegraphing and
                                  Telephoning  . . . . . . . . . . . . . . 459--459
             Harry Dillon Jones   An American Buddhist Temple  . . . . . . 460--460
                      Anonymous   Completing the Rapid Transit Subway  . . 461--462
                      Anonymous   Proposed Lighthouse for Cape Hatteras
                                  Diamond Shoal  . . . . . . . . . . . . . 462--462
                      Anonymous   Improved Railway Substructure  . . . . . 463--463
                      Anonymous   A New Tennis Racket  . . . . . . . . . . 464--464
                      Anonymous   Runner Attachment for Bicycles . . . . . 464--464
                      Anonymous   Pipe or Bar Cutter . . . . . . . . . . . 464--464
                      Anonymous   Vehicle Wheel  . . . . . . . . . . . . . 464--464
                      Anonymous   Machine for Moistening Gummed Paper
                                  Strips . . . . . . . . . . . . . . . . . 464--464
                      Anonymous   Business and Personal Wants  . . . . . . 466--466
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 479--479
                      Anonymous   Recently Patented Inventions . . . . . . 483--483
                      Anonymous   Notes and Queries  . . . . . . . . . . . 484--484
                      Anonymous   Index of Inventions  . . . . . . . . . . 484--487
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 487--487
                      Anonymous   Military and Strategical Valve of Oil
                                  Fuel . . . . . . . . . . . . . . . . . . 474--474
                      Anonymous   Surface Indications of Oil . . . . . . . 474--474
                  R. W. McNeely   Fine Performance of the Battleship
                                  ``Kentucky'' . . . . . . . . . . . . . . 474--475
                      Anonymous   Science Notes  . . . . . . . . . . . . . 475--475
                      Anonymous   The Dredger ``Marquess'' . . . . . . . . 476--476
                  Emile Guarini   The Berthier Actino-Electric Transformer 476--476
                      Anonymous   New Apparatus for Photographing the
                                  Background of the Eye  . . . . . . . . . 477--477
                      Anonymous   Automatic Control of Locomotives . . . . 477--478
                      Anonymous   Mail Box for Rural Delivery Service  . . 478--478
                      Anonymous   Malting and Brewing Conducted on
                                  Scientific Principles --- II Brewing . . 480--481
                      Anonymous   Relics of the Spanish Armada . . . . . . 482--483
                      Anonymous   A Sectional Bookcase . . . . . . . . . . 483--483
                      Anonymous   Business and Personal Wants  . . . . . . 483--483
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 495--495
                      Anonymous   Recently Patented Inventions . . . . . . 501--501
                      Anonymous   Notes and Queries  . . . . . . . . . . . 501--501
                      Anonymous   Index of Inventions  . . . . . . . . . . 501--507
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 507--507
                      Anonymous   Edison and the Patent Office . . . . . . 490--490
                      Anonymous   Wind-Driven Generators for Farming . . . 490--490
                      Anonymous   Wood Alcohol for Industrial Purposes . . 490--491
                      Anonymous   The International Automobile Race  . . . 491--491
                      Anonymous   M. Curie's Work on Radium Emanations
                                  from Mineral Springs . . . . . . . . . . 491--491
                      Anonymous   Cameos and Their History . . . . . . . . 491--491
                      Anonymous   Non Skidding Tires and Protective Bands
                                  for Use on the Wheels of Automobiles . . 492--492
                Charles R. King   Successful Italian Express Compound
                                  Locomotive . . . . . . . . . . . . . . . 492--493
                      Anonymous   Looping the Double Loop  . . . . . . . . 493--493
              Alfred Gradenwitz   The Autoplastic Photographic Process of
                                  Producing Sculptural Portraits . . . . . 493--494
                  C. M. Ginther   The Transformation of the Grand Cañon
                                  into a National Park . . . . . . . . . . 494--494
              Walter L. Beasley   Modeling Animals in Clay the Passing of
                                  Taxidermy  . . . . . . . . . . . . . . . 496--496
                      Anonymous   The Second Motor-Boat Race . . . . . . . 497--497
                      Anonymous   The Boston Automobile Race . . . . . . . 498--498
                      Anonymous   Patent Department  . . . . . . . . . . . 499--499
                      Anonymous   Shingle Gage . . . . . . . . . . . . . . 499--499
                      Anonymous   Improved Buckle  . . . . . . . . . . . . 499--499
                      Anonymous   Loose Pulley Oiler . . . . . . . . . . . 499--499
                      Anonymous   Railway Tie and Fastening  . . . . . . . 499--499
                      Anonymous   Cigarette Box with Match Receptacle  . . 500--500
                      Anonymous   Automatic Electric Fire Alarm  . . . . . 500--500
                      Anonymous   Improved Support for Bicycle Handle Bars 500--500
                      Anonymous   Dredge Attachment  . . . . . . . . . . . 500--500
                      Anonymous   Business and Personal Wants  . . . . . . 501--501
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 43--43
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 48--48
                      Anonymous   Recently Patented Inventions . . . . . . 50--51
                      Anonymous   Notes and Queries  . . . . . . . . . . . 51--52
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 52--53
                      Anonymous   Index of Inventions  . . . . . . . . . . 53--55
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 56--56
                      Anonymous   Proposed Reconstruction of the Brooklyn
                                  Bridge . . . . . . . . . . . . . . . . . 38--38
                      Anonymous   Lunar Superstitions  . . . . . . . . . . 38--38
                      Anonymous   The Problem of the Mutual Influence of
                                  Cathode Rays . . . . . . . . . . . . . . 38--38
                      Anonymous   The American Association for the
                                  Advancement of Science . . . . . . . . . 39--39
                      Anonymous   The De Forest Wireless Tests Across the
                                  Irish Channel  . . . . . . . . . . . . . 40--40
                      Anonymous   The Siemens & Halske New Electric
                                  Hand-Drill . . . . . . . . . . . . . . . 41--41
                      Anonymous   The Orthodiagraph. An Apparatus for
                                  Determining the True Shape and Size of
                                  Internal Organs  . . . . . . . . . . . . 41--42
                      Anonymous   The Pennsylvania Tunnel at New York City 42--42
                      Anonymous   The Barton 150-Horsepower Airship's
                                  Forth-Coming Trial Trip  . . . . . . . . 44--46
              Walter L. Beasley   Remarkable Discoveries by Bandelier of
                                  Inca Civilization in Peru  . . . . . . . 46--47
                 A. R. M. Spaid   A Harmless Reptile . . . . . . . . . . . 47--47
                      Anonymous   Patent Department  . . . . . . . . . . . 49--49
                      Anonymous   Oddities in Inventions . . . . . . . . . 49--49
                      Anonymous   Business and Personal Wants  . . . . . . 51--51
        
                      Anonymous   Recently Patented Inventions . . . . . . 68--68
                      Anonymous   Notes and Queries  . . . . . . . . . . . 68--68
                      Anonymous   Index of Inventions  . . . . . . . . . . 68--71
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 71--71
                      Anonymous   Tammany and the New Bridge . . . . . . . 58--58
                      Anonymous   The Navies of Russia and Japan Compared  58--58
                      Anonymous   Discovery of Dr. Danysz, of Pasteur
                                  Institute, for Exterminating Rats  . . . 58--59
           Carl Lautenschlaeger   The Theatre Fire and Its Prevention in
                                  Germany  . . . . . . . . . . . . . . . . 59--59
                      Anonymous   Science Notes  . . . . . . . . . . . . . 59--59
               W. Frank M'clure   A Great Mammoth's Tooth  . . . . . . . . 60--60
                George J. Jones   Electric Sleeping Cars . . . . . . . . . 60--61
                      Anonymous   A Simple Laboratory Blowpipe Apparatus   61--61
                      Anonymous   New Japanese Armored Cruisers ``Kasaga''
                                  and ``Niasin'' . . . . . . . . . . . . . 61--62
                      Anonymous   The Manhattan Bridge across the East
                                  River  . . . . . . . . . . . . . . . . . 62--63
                      Anonymous   The Invention of the Sewing Machine  . . 65--66
                     E. C. Rost   The Phonograph and how it Figured in the
                                  Treaty of Jolo . . . . . . . . . . . . . 66--66
                      Anonymous   A Bottle House . . . . . . . . . . . . . 67--67
               Arthur Inkersley   A Real Log Cabin . . . . . . . . . . . . 67--67
                      Anonymous   Business and Personal Wants  . . . . . . 68--68
        
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 100--100
                      Anonymous   Index of Inventions  . . . . . . . . . . 101--102
                      Anonymous   Recently Patented Inventions . . . . . . 102--104
                      Anonymous   Notes and Queries  . . . . . . . . . . . 105--109
                      Anonymous   Mushroom Automobile Firms  . . . . . . . 74--74
                      Anonymous   The Racing Automobile and its Relation
                                  to the Development of the Pleasure
                                  Vehicle  . . . . . . . . . . . . . . . . 74--74
                      Anonymous   The Fourth Annual New York Automobile
                                  Show . . . . . . . . . . . . . . . . . . 74--75
                      Anonymous   Improvements and Changes in Automobile
                                  Construction as Notes at the Paris Show  75--75
                      Anonymous   An Improved Buckboard Automobile . . . . 76--76
                      Anonymous   An Electric Tricycle for Postal Work . . 76--76
                      Anonymous   The 24 Horsepower Pope--Toledo Touring
                                  Car  . . . . . . . . . . . . . . . . . . 76--77
                      Anonymous   The Stearns Gasoline Touring Car . . . . 77--77
                      Anonymous   Some 1904 Touring Cars . . . . . . . . . 79--79
                      Anonymous   The Thomas Triple-Cylinder Touring Car   80--81
                      Anonymous   The Stevens--Duryea Gasoline Stanhope    81--82
                      Anonymous   The Knox Double-Cylinder Cars with
                                  Fan-Cooled Motors  . . . . . . . . . . . 82--83
                      Anonymous   The Regas Air-Cooled Automobile  . . . . 83--83
                      Anonymous   The New Franklin Tonneau . . . . . . . . 83--83
                      Anonymous   The Mitchell Air-Cooled Cars . . . . . . 83--83
                      Anonymous   The Prize-Winning Military Tractor of
                                  the British War Office . . . . . . . . . 83--83
                      Anonymous   The Paris Automobile Show  . . . . . . . 84--84
                      Anonymous   An Interesting Automobile Relio  . . . . 86--86
                      Anonymous   The Ivel Agricultural Motor  . . . . . . 86--87
                      Anonymous   The Coldwell Steam Lawn Mower  . . . . . 87--87
                      Anonymous   A New Steam Runabout . . . . . . . . . . 87--87
                      Anonymous   The New Autocar Runabout . . . . . . . . 87--87
                      Anonymous   A New Detachable Tire  . . . . . . . . . 88--88
                      Anonymous   The Cadillac Planetary Gear Transmission 88--88
                      Anonymous   A Combination Tool for Automobiles . . . 88--90
                      Anonymous   The Brown Lipe Steering Device . . . . . 90--90
                      Anonymous   The Ford Record-Breaking Racer . . . . . 90--90
                      Anonymous   Glass-Front Protector for Phaetons . . . 90--90
                      Anonymous   The New Columbia Touring Car . . . . . . 92--92
                      Anonymous   The Waverley Electric Runabout with
                                  Edison Battery . . . . . . . . . . . . . 92--92
                      Anonymous   A Gasoline Hansom Cab  . . . . . . . . . 92--92
                      Anonymous   A New Light-Weight Electric Surrey . . . 92--92
                      Anonymous   A Twin-Balloon Airship . . . . . . . . . 94--94
              Charles F. Holder   The Windows of the Sea . . . . . . . . . 94--94
               Day Allen Willey   New Texan Oil Deposits . . . . . . . . . 96--98
               W. Frank M'clure   Starfish and their Injuries  . . . . . . 98--98
                      Anonymous   Business and Personal Wants  . . . . . . 100--100
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 119--119
           Henry Norris Russell   The Heavens in February  . . . . . . . . 119--119
                      Anonymous   Recently Patented Inventions . . . . . . 124--124
                      Anonymous   Notes and Queries  . . . . . . . . . . . 124--124
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--127
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 126--126
                      Anonymous   Near Completion of the First Hudson
                                  River Tunnel . . . . . . . . . . . . . . 114--114
                      Anonymous   Corrosion of Architectural Steel . . . . 114--114
                      Anonymous   Equable Temperature in the Subway  . . . 114--114
                      Anonymous   An Imperial Floating Exhibition  . . . . 114--114
                      Anonymous   Relative Strength of the Naval Powers    114--114
                      Anonymous   The Grants of the Carnegie Institution   114--115
                Marcus Benjamin   Carroll Davidson Wright  . . . . . . . . 115--115
                      Anonymous   Preventing Frost on Show Windows in
                                  Winter . . . . . . . . . . . . . . . . . 115--115
                      Anonymous   Dispersion of Fogs by Electricity  . . . 115--115
                      Anonymous   An Ingenious Machine Which Greatly
                                  Simplifies the Process of Printing . . . 116--116
                      Anonymous   Pullman Cars in Railroad Accidents . . . 117--117
                      Anonymous   The New Stage of the Metropolitan Opera
                                  House  . . . . . . . . . . . . . . . . . 117--118
           A. Frederick Collins   Making Asbestos Fire Curtains and
                                  Fireproof Fabrics  . . . . . . . . . . . 120--120
              Walter L. Beasley   The Aborigines of Japan  . . . . . . . . 121--122
                      Anonymous   Cooking Device for Camping Purposes  . . 123--123
                      Anonymous   Automatic Track Gage . . . . . . . . . . 123--123
                      Anonymous   Spur Attachment for Leggings . . . . . . 123--123
                      Anonymous   A Handy Coin Holder  . . . . . . . . . . 123--123
                      Anonymous   Lifting Jack . . . . . . . . . . . . . . 123--123
                      Anonymous   Business and Personal Wants  . . . . . . 124--124
        
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 140--140
                      Anonymous   Recently Patented Inventions . . . . . . 141--142
                      Anonymous   Notes and Queries  . . . . . . . . . . . 142--143
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 143--143
                      Anonymous   Index of Inventions  . . . . . . . . . . 143--147
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 146--146
                      Anonymous   Our System of Naval Comparison . . . . . 130--130
                      Anonymous   Value of Correct Propeller Design  . . . 130--130
                      Anonymous   Precautions against Poisoning the Queen
                                  Bee  . . . . . . . . . . . . . . . . . . 130--130
                      Anonymous   The Eiffel Tower . . . . . . . . . . . . 130--131
                      Anonymous   The Fuel Supply of the Japanese Navy . . 131--131
                      Anonymous   Progress in the Study of Radium and
                                  Radioactivity  . . . . . . . . . . . . . 131--131
                      Anonymous   The Current Supplement . . . . . . . . . 131--131
                      Anonymous   The Hydroscope and Its Success . . . . . 131--131
                      Anonymous   Safety Locomotive for Explosives Factory 132--132
                George J. Jones   Boiler Scale Detection . . . . . . . . . 132--132
                      Anonymous   A Practical Primary Battery  . . . . . . 132--132
                      Anonymous   The Japanese Navy  . . . . . . . . . . . 134--135
                      Anonymous   Results of the Florida Automobile Race
                                  Meet . . . . . . . . . . . . . . . . . . 136--136
               G. P. Blackiston   A Great Engineering Feat . . . . . . . . 138--138
              Charles F. Holder   Natural Monuments  . . . . . . . . . . . 139--139
                      Anonymous   The Blue Gnu . . . . . . . . . . . . . . 139--139
                      Anonymous   Business and Personal Wants  . . . . . . 142--142
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 160--160
                      Anonymous   Recently Patented Inventions . . . . . . 163--163
                      Anonymous   Notes and Queries  . . . . . . . . . . . 164--164
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 164--164
                      Anonymous   Index of Inventions  . . . . . . . . . . 164--167
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 168--168
                      Anonymous   The Man Behind the Gun . . . . . . . . . 150--150
                      Anonymous   Winter Insects . . . . . . . . . . . . . 150--150
                      Anonymous   Forcing Plants by Fire . . . . . . . . . 150--150
                      Anonymous   New Kind of Rays Emitted from the Brain
                                  and Nerve Centers  . . . . . . . . . . . 151--151
                      Anonymous   Extensive Submarine Construction
                                  Programme for Great Britain  . . . . . . 151--151
                      Anonymous   Science Notes  . . . . . . . . . . . . . 151--151
                      Anonymous   Magnetic Brake for Small Electric Motors 152--152
                  Emile Guarini   Photography of Star Shadows  . . . . . . 152--154
                      Anonymous   The Great Baltimore Fire . . . . . . . . 154--155
                      Anonymous   The Russian Navy . . . . . . . . . . . . 157--159
                      Anonymous   Two New Motor Bicycles . . . . . . . . . 159--159
                      Anonymous   Somersault Monocycle Course  . . . . . . 159--160
                      Anonymous   Combined Pack and Riding Saddle  . . . . 161--161
                      Anonymous   Land Anchor  . . . . . . . . . . . . . . 161--161
                      Anonymous   Spring Draft Attachment  . . . . . . . . 161--161
                      Anonymous   A Novel Third-Rail Protector . . . . . . 161--161
                      Anonymous   The Disk Type of Water Meter . . . . . . 161--162
                      Anonymous   Oddities in Inventions . . . . . . . . . 162--162
                      Anonymous   Business and Personal Wants  . . . . . . 163--163
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 175--175
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 182--182
                      Anonymous   Recently Patented Inventions . . . . . . 183--183
                      Anonymous   Notes and Queries  . . . . . . . . . . . 183--184
                      Anonymous   Index of Inventions  . . . . . . . . . . 184--187
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 187--187
                      Anonymous   Salt Water Fire Protection for New York
                                  City . . . . . . . . . . . . . . . . . . 170--170
                      Anonymous   The Proposed Naval Appropriation . . . . 170--170
                      Anonymous   Electricity in Mines . . . . . . . . . . 170--170
                      Anonymous   Emission of N-Rays by the Human Body,
                                  Especially the Muscles and Nerves  . . . 170--171
              Archibald S. Hurd   Fleets in the Far East --- an English
                                  Review of the Position of Russia and
                                  Japan  . . . . . . . . . . . . . . . . . 171--171
                      Anonymous   Science Notes  . . . . . . . . . . . . . 171--171
                      Anonymous   Submarine Sound Telegraphy . . . . . . . 172--172
                      Anonymous   Safety Hook Provided with Counting
                                  Mechanism  . . . . . . . . . . . . . . . 173--173
                      Anonymous   A Powerful Compressed Air Clamp  . . . . 173--173
                      Anonymous   Novel Appliances for Fighting Fire . . . 173--174
                      Anonymous   Modern Flour Milling . . . . . . . . . . 176--178
                      Anonymous   The Disabled Russian Cruiser ``Novik''   178--178
                 S. Frank Aaron   The Parasite of the Oak Pruner . . . . . 179--179
                       C. Field   Early Armorclads . . . . . . . . . . . . 180--181
                      Anonymous   Business and Personal Wants  . . . . . . 183--183
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 9--9
                      Anonymous   Recently Patented Inventions . . . . . . 14--15
                      Anonymous   Notes and Queries  . . . . . . . . . . . 15--15
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 15--16
                      Anonymous   Index of Inventions  . . . . . . . . . . 16--19
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 19--19
                      Anonymous   Superheated Steam  . . . . . . . . . . . 4--4
                      Anonymous   State Registration of United States
                                  Trade Marks  . . . . . . . . . . . . . . 4--4
                      Anonymous   On the State of the Carbon Vaporized in
                                  Glow Lamps . . . . . . . . . . . . . . . 4--5
           Henry Norris Russell   The Heavens in July  . . . . . . . . . . 5--5
                      Anonymous   The Purchase of a Reservoir Site . . . . 5--5
                      Anonymous   Science Notes  . . . . . . . . . . . . . 5--5
                      Anonymous   The Rapid Transit Subway Tunnel under
                                  the Harlem River . . . . . . . . . . . . 6--6
                      Anonymous   The Fifth International Automobile Cup
                                  Race . . . . . . . . . . . . . . . . . . 7--7
                      Anonymous   Test of Fireproof Stage Properties in
                                  London . . . . . . . . . . . . . . . . . 7--8
               W. G. Fitzgerald   Some Unusual Uses for Fire-Engines . . . 10--10
                      Anonymous   Japanese Naval Guns  . . . . . . . . . . 11--12
           A. Frederick Collins   A New Life-Saving Gun  . . . . . . . . . 12--12
                Arthur B. Weeks   A Useful Instrument in the Niagara Falls
                                  Power House  . . . . . . . . . . . . . . 13--13
                      Anonymous   Insulating Apparatus for Canned Goods to
                                  Prevent Ptomaine Poisoning . . . . . . . 13--13
                      Anonymous   Business and Personal Wants  . . . . . . 15--15
        
           Henry Norris Russell   The Heavens in September . . . . . . . . 155--155
                      Anonymous   Correspondence . . . . . . . . . . . . . 158--158
                      Anonymous   Recently Patented Inventions . . . . . . 164--165
                      Anonymous   Business and Personal Wants  . . . . . . 165--165
                      Anonymous   Notes and Queries  . . . . . . . . . . . 165--165
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 168--168
                      Anonymous   Index of Inventions  . . . . . . . . . . 168--171
                      Anonymous   Patents  . . . . . . . . . . . . . . . . 171--171
                      Anonymous   A Novel Canal Lift at Foxton . . . . . . 153--153
                      Anonymous   The Manhattan Bridge Fiasco  . . . . . . 154--154
                      Anonymous   Perils of the Submarine  . . . . . . . . 154--154
                      Anonymous   Electric Power for Oil Wells . . . . . . 154--154
                      Anonymous   The Production of Iron Ores in 1903  . . 154--155
                      Anonymous   Science Notes  . . . . . . . . . . . . . 155--155
                      Anonymous   Launch of the Armored Cruiser ``South
                                  Dakota'' . . . . . . . . . . . . . . . . 156--156
                      Anonymous   A Novel Method of Making Relief Maps . . 157--157
                      Anonymous   A Strange Railway Accident . . . . . . . 157--158
                      Anonymous   Direct Photography in Natural Colors on
                                  Paper  . . . . . . . . . . . . . . . . . 158--158
                      Anonymous   The ``Minnesota'' the Largest Steamship
                                  Ever Built in America  . . . . . . . . . 160--160
                      Anonymous   Express Engine and Turntable in the
                                  Transportation Building  . . . . . . . . 160--161
                      Anonymous   Festival Hall and the Colonnade of
                                  States --- the Architectural Masterpiece
                                  of the Louisiana Purchase Exposition . . 161--161
           A. Frederick Collins   Dispelling fog by Electricity --- an
                                  Experimental Proof . . . . . . . . . . . 162--163
                      Anonymous   Quoin for Locking Type Forms . . . . . . 163--163
                      Anonymous   The International Motor-Boat Contest
                                  ``Napier II''  . . . . . . . . . . . . . 163--163
                      Anonymous   Improved Variable Speed and Reversing
                                  Gear . . . . . . . . . . . . . . . . . . 163--163
                      Anonymous   Georgia Till Basket and Paducah Factory  166--167
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 179--179
                      Anonymous   Recently Patented Inventions . . . . . . 184--184
                      Anonymous   Notes and Queries  . . . . . . . . . . . 184--185
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 185--185
                      Anonymous   Index of Inventions  . . . . . . . . . . 185--187
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 187--187
                      Anonymous   The Art Commission and Public Structures 174--174
                      Anonymous   The Agricultural Importance of Bacteria  174--174
                      Anonymous   Possibilities of Peat as Fuel  . . . . . 174--175
                A. W. Bickerton   The Sorting of Atoms . . . . . . . . . . 175--175
                      Anonymous   Automobile Notes . . . . . . . . . . . . 175--175
                      Anonymous   Tilting Attachment for Vehicle Tops  . . 176--176
                      Anonymous   The Unarmored Composite Gunboat
                                  ``Dubuque''  . . . . . . . . . . . . . . 176--176
                      Anonymous   Pendulum Power . . . . . . . . . . . . . 176--176
               Frank C. Perkins   The Buckeye Traction Ditcher . . . . . . 177--178
                      Anonymous   The Completion of the New York Subway    178--178
                      Anonymous   The New Cunard Turbine Steamers  . . . . 179--179
                      Anonymous   Government Life-Saving Station and the
                                  Ferris Wheel . . . . . . . . . . . . . . 180--181
                 M. C. Sullivan   Signal Service in Modern Warfare . . . . 182--183
                      Anonymous   A Novel Gliding Machine  . . . . . . . . 183--183
             J. Mayne Baltimore   Prof. Botts's Flying Machine . . . . . . 183--183
                      Anonymous   Business and Personal Wants  . . . . . . 184--184
        
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 202--202
                      Anonymous   Recently Patented Inventions . . . . . . 203--203
                      Anonymous   Notes and Queries  . . . . . . . . . . . 203--204
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 204--204
                      Anonymous   Index of Inventions  . . . . . . . . . . 204--206
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 206--206
                      Anonymous   The Ultimate Development of the Gas
                                  Engine . . . . . . . . . . . . . . . . . 190--190
                      Anonymous   Endurance of Warship Machinery in the
                                  Russo-Japanese War . . . . . . . . . . . 190--190
                      Anonymous   Production of Coal in 1903 . . . . . . . 190--190
                      Anonymous   New York Meeting of the Society of
                                  Chemical Industry  . . . . . . . . . . . 191--191
                      Anonymous   Launch of the First Turbine-Propelled
                                  Liner for Transatlantic Traffic  . . . . 191--191
                      Anonymous   A Test of the Doenvig Globe  . . . . . . 191--191
                      Anonymous   The Current Supplement . . . . . . . . . 191--191
                      Anonymous   The Jungner Alkaline Accumulator . . . . 192--192
                      Anonymous   A Record Transcontinental Automobile
                                  Trip . . . . . . . . . . . . . . . . . . 192--192
             Herbert I. Bennett   A Trolley for Heavy Multiple-Unit
                                  Electric Trains  . . . . . . . . . . . . 193--193
                  Emile Guarini   The Malcotti Telecryptograph for
                                  Telegraphing Upon Telephone Lines  . . . 193--194
                  C. B. Hayward   Coffee and Coffee Culture  . . . . . . . 194--195
                      Anonymous   Modern Locomotives at the St. Louis
                                  Exposition . . . . . . . . . . . . . . . 195--196
              Isabel R. Wallach   The Dino Collection of Historic Armor    196--199
                      Anonymous   Ruling Pen . . . . . . . . . . . . . . . 200--200
                      Anonymous   Wire-Reeling Apparatus . . . . . . . . . 200--200
                      Anonymous   Pump Diaphragm . . . . . . . . . . . . . 200--200
                      Anonymous   Oddities in Invention  . . . . . . . . . 200--201
                      Anonymous   Business and Personal Wants  . . . . . . 203--203
        
                      Anonymous   Recently Patented Inventions . . . . . . 220--220
                      Anonymous   Notes and Queries  . . . . . . . . . . . 220--220
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 220--220
                      Anonymous   Index of Inventions  . . . . . . . . . . 220--222
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 222--222
                      Anonymous   The Forlorn Hope of the Baltic Fleet . . 210--210
                      Anonymous   A Grave Responsibility . . . . . . . . . 210--210
                      Anonymous   Proposed Amendment Permitting the
                                  Extension of the Terms of Patents  . . . 210--210
                      Anonymous   Trunk Lines and Trolleys in the East . . 210--211
                      Anonymous   The New York Sessions of the Eighth
                                  International Geographic Congress  . . . 211--211
                      Anonymous   Science Notes  . . . . . . . . . . . . . 211--211
               W. Frank M'Clure   The Manufacture of Wall Paper  . . . . . 212--212
                      Anonymous   A Reasoning Horse  . . . . . . . . . . . 213--213
               William F. Rigge   When was the Photograph Taken? . . . . . 213--214
                      Anonymous   Completing the New Croton Dam  . . . . . 214--215
                 Emile Guarrini   The ``Lebaudy II'' . . . . . . . . . . . 216--218
                      Anonymous   Native Dwellings at the St. Louis
                                  Exposition . . . . . . . . . . . . . . . 218--218
                       O. Fulda   Striking Examples of Insect Mimicry  . . 219--219
                      Anonymous   Business and Personal Wants  . . . . . . 220--220
        
           Henry Norris Russell   The Heavens in October . . . . . . . . . 227--227
                      Anonymous   Recently Patented Inventions . . . . . . 235--235
                      Anonymous   Index of Inventions  . . . . . . . . . . 237--239
                      Anonymous   Warship Construction in Government Yards 226--226
                      Anonymous   The Challenge Cup Motor-Boat Contest . . 226--226
                      Anonymous   Water Versus Steam Power . . . . . . . . 226--227
                      Anonymous   Science Notes  . . . . . . . . . . . . . 227--227
                      Anonymous   A Novel Automatic Pump for Inflating
                                  Automobile Tires . . . . . . . . . . . . 228--228
                      Anonymous   Novel Spare Wheel and Tire Device for
                                  Automobiles  . . . . . . . . . . . . . . 228--228
                      Anonymous   A Machine for Automatically Making
                                  Incandescent Gas Mantles . . . . . . . . 228--229
                      Anonymous   Domestic Bath Plumbing . . . . . . . . . 229--230
                  Emile Guarini   A Novel Respiratory Apparatus  . . . . . 230--231
                      Anonymous   Launching of the ``Connecticut'' and
                                  ``Milwaukee''  . . . . . . . . . . . . . 231--231
              Herbert T. Walker   Locomotive History at the World's Fair,
                                  St. Louis  . . . . . . . . . . . . . . . 232--233
              Walter L. Beasley   Artificial Propagation of Lobsters . . . 233--234
                      Anonymous   The Auto-Bolide  . . . . . . . . . . . . 234--234
                      Anonymous   Spelterini's Egyptian Pictures . . . . . 235--235
                      Anonymous   Business and Personal Wants  . . . . . . 237--237
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 247--247
                      Anonymous   Recently Patented Inventions . . . . . . 252--252
                      Anonymous   Notes and Queries  . . . . . . . . . . . 252--252
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 252--252
                      Anonymous   Index of Inventions  . . . . . . . . . . 253--255
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 255--255
                      Anonymous   That Ramapo Scheme Again . . . . . . . . 242--242
                      Anonymous   The Launching Weight of the
                                  ``Connecticut''  . . . . . . . . . . . . 242--242
                      Anonymous   The Menace of the Pullman Car  . . . . . 242--242
                      Anonymous   Curious Foods  . . . . . . . . . . . . . 242--243
               Ernest Ingersoll   Oddities in Self-Defense . . . . . . . . 243--243
                      Anonymous   Automobile Notes . . . . . . . . . . . . 243--243
                  Emile Guarini   The Camera Book  . . . . . . . . . . . . 244--244
                      Anonymous   Hydraulic Press for Embossing Silverware
                                  at the St. Louis Fair  . . . . . . . . . 244--244
                      Anonymous   Some New Types of Lifeboats  . . . . . . 245--246
                      Anonymous   Metal Cross Tie for Railroads  . . . . . 246--246
                      Anonymous   Model of the Pennsylvania Railroad
                                  Hudson River Tunnel Station at New York  246--246
              Isabel R. Wallach   Armor and Weapons of the De Dino
                                  Collection --- II  . . . . . . . . . . . 248--248
                      Anonymous   Peary's New Ship for Work in Arctic Seas 249--250
                      Anonymous   Perfect Working Model of a Winton
                                  Touring Car  . . . . . . . . . . . . . . 251--251
              Walter L. Beasley   The Largest Narwhal Tusk . . . . . . . . 251--251
                      Anonymous   Business and Personal Wants  . . . . . . 252--252
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 263--263
                      Anonymous   Recently Patented Inventions . . . . . . 270--270
                      Anonymous   Notes and Queries  . . . . . . . . . . . 271--271
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 271--271
                      Anonymous   Index of Inventions  . . . . . . . . . . 271--273
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 274--274
                      Anonymous   Elevator Fatalities and Their Prevention 258--258
                      Anonymous   Big Guns for Future Warships . . . . . . 258--258
                    T. H. Evans   Experiments on the Mosquito  . . . . . . 258--258
                      Anonymous   Arsenic Needed for the Body and Found in
                                  Different Foods  . . . . . . . . . . . . 258--259
                George E. Walsh   Automobile Steel Specialties . . . . . . 259--259
                      Anonymous   Municipal Bakery Experiments in Sicily   259--259
                      Anonymous   Automobile Notes . . . . . . . . . . . . 259--259
                      Anonymous   The Taxometer  . . . . . . . . . . . . . 260--260
                      Anonymous   The Diving Horse . . . . . . . . . . . . 260--260
                      Anonymous   Transportable Wireless Telegraph Station
                                  for War Purposes . . . . . . . . . . . . 260--261
                 S. Frank Aaion   Insect Wings . . . . . . . . . . . . . . 261--262
                      Anonymous   Dastardly Attempt to Wreck the
                                  ``Connecticut''  . . . . . . . . . . . . 262--262
                      Anonymous   The ``Cire-Perdue'' Process of Bronze
                                  Casting  . . . . . . . . . . . . . . . . 264--265
             Charles B. Hayward   A Novel Suspension Bridge  . . . . . . . 265--265
                      Anonymous   Exhibits in the Boiler House and the
                                  Palace of Machinery, St. Louis . . . . . 265--267
                      Anonymous   Patent Department  . . . . . . . . . . . 268--268
                      Anonymous   A Portable Pneumatic Duster  . . . . . . 268--268
                      Anonymous   Fruit and Potato Sorter  . . . . . . . . 268--268
                      Anonymous   Device for Muffling the Exhaust from
                                  Engines  . . . . . . . . . . . . . . . . 268--268
                      Anonymous   Oddities in Invention  . . . . . . . . . 268--269
                      Anonymous   Business and Personal Wants  . . . . . . 271--271
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 279--279
                      Anonymous   Correspondence . . . . . . . . . . . . . 283--283
                      Anonymous   Recently Patented Inventions . . . . . . 288--288
                      Anonymous   Notes and Queries  . . . . . . . . . . . 288--288
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 288--288
                      Anonymous   Index of Inventions  . . . . . . . . . . 288--290
                      Anonymous   Automobile Road Racing . . . . . . . . . 278--278
              Charles F. Holder   Scientific Disposition of Sewage . . . . 278--279
                George E. Walsh   A Life-Saving Museum . . . . . . . . . . 279--279
                      Anonymous   The \booktitleScientific American
                                  Reference Book . . . . . . . . . . . . . 279--279
                W. L. Radcliffe   Train Wrecked by Collision with Dynamite 280--280
               Day Allen Willey   Testing Machines at the Boston Institute
                                  of Technology  . . . . . . . . . . . . . 280--281
                      Anonymous   The Fery Pyrometric Telescope  . . . . . 281--281
                      Anonymous   A Novel Interrupter for Induction Coils  281--282
               Frank C. Perkins   A New English Telephonic Fire Alarm  . . 282--283
                      Anonymous   First Competition for the Vanderbilt
                                  International Automobile Cup . . . . . . 283--284
                      Anonymous   Some Recent Launchings in the United
                                  States Navy  . . . . . . . . . . . . . . 285--287
           Herbert I. Priestley   A Peculiar Lily  . . . . . . . . . . . . 287--287
                      Anonymous   An Animal New to Science at the New York
                                  Zoological Park  . . . . . . . . . . . . 287--287
                      Anonymous   Business and Personal Wants  . . . . . . 288--288
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 299--299
                      Anonymous   Index of Inventions  . . . . . . . . . . 304--306
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 307--307
                      Anonymous   Inauguration of the Rapid Transit Subway 294--294
                      Anonymous   Cost of Electric Water Power Plants  . . 294--294
                      Anonymous   To Stimulate Chemical Discovery  . . . . 294--294
                      Anonymous   A New Process of Making Trichromatic
                                  Lantern Slides . . . . . . . . . . . . . 295--295
           Henry Norris Russell   The Heavens in November  . . . . . . . . 295--295
                      Anonymous   Romance of a Scientific Age  . . . . . . 295--295
                      Anonymous   Device for Pulling Tacks and Nails from
                                  Pneumatic Tires  . . . . . . . . . . . . 296--296
                      Anonymous   A Solar Reducing Furnace . . . . . . . . 296--296
                      Anonymous   Improved Lime Kiln . . . . . . . . . . . 296--296
                      Anonymous   Passenger Locomotive with Vanderbilt
                                  Tender . . . . . . . . . . . . . . . . . 297--297
                      Anonymous   Opening of the New York Rapid Transit
                                  Subway . . . . . . . . . . . . . . . . . 297--298
                      Anonymous   Effect of Shell Fire on the Russian
                                  Cruiser ``Askold'' . . . . . . . . . . . 300--301
                      Anonymous   Eskimo Village at the World's Fair . . . 301--302
                      Anonymous   Preparations for the Airship Contest at
                                  St. Louis  . . . . . . . . . . . . . . . 302--302
                      Anonymous   The Mounting of Butterflies for Nature
                                  Study  . . . . . . . . . . . . . . . . . 303--303
                      Anonymous   Business and Personal Wants  . . . . . . 304--304
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 314--314
                      Anonymous   Recently Patented Inventions . . . . . . 321--321
                      Anonymous   Notes and Queries  . . . . . . . . . . . 322--322
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 322--322
                      Anonymous   Index of Inventions  . . . . . . . . . . 322--327
                      Anonymous   The Shocking Disfigurement of the Subway 310--310
                      Anonymous   Rapid Acceleration of the Subway Trains  310--310
                      Anonymous   Scale Divisions and Errors of Graduation 310--310
                      Anonymous   A New Method of Observing the N-Rays . . 310--310
                  Daniel Bellet   The Personalities of Professor and
                                  Madame Curie . . . . . . . . . . . . . . 311--311
                      Anonymous   Benbow's Airship Flight  . . . . . . . . 311--311
                      Anonymous   One Hundred and Fifty Miles an Hour on
                                  Electric Road  . . . . . . . . . . . . . 311--311
                  Emile Guarini   The Verant: A New Device for Viewing
                                  Photographs  . . . . . . . . . . . . . . 312--312
                      Anonymous   Model of a Continuous-Feed Gas Producer
                                  at the St. Louis Fair  . . . . . . . . . 312--312
                      Anonymous   The United States Mint at the St. Louis
                                  Exposition . . . . . . . . . . . . . . . 313--313
                      Anonymous   A Novel Speed Indicator for Automobiles  313--314
                 S. Frank Aaron   The Musical Wings of Insects . . . . . . 315--316
               Day Allen Willey   The Carrara of America . . . . . . . . . 317--318
                      Anonymous   The Start of the Baltic Fleet  . . . . . 318--318
                      Anonymous   Patent Department  . . . . . . . . . . . 319--319
                      Anonymous   Solar Motor  . . . . . . . . . . . . . . 319--319
                      Anonymous   Attachment for Bolt-Heading Machines . . 319--319
                      Anonymous   Oddities in Invention  . . . . . . . . . 319--320
                      Anonymous   Business and Personal Wants  . . . . . . 322--322
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 23--23
                      Anonymous   Correspondence . . . . . . . . . . . . . 27--27
                      Anonymous   Recently Patented Inventions . . . . . . 32--32
                      Anonymous   Index of Inventions  . . . . . . . . . . 32--35
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 35--35
                      Anonymous   Santos-Dumont and the Exposition
                                  Authorities  . . . . . . . . . . . . . . 22--22
                      Anonymous   Machine Grinding . . . . . . . . . . . . 22--22
                      Anonymous   The Progress of Mosquito Extermination   22--23
                      Anonymous   A Vegetable Butter . . . . . . . . . . . 23--23
                      Anonymous   Historic Forest Fires  . . . . . . . . . 23--23
                      Anonymous   The Preparation of Cereal Foods  . . . . 24--27
                      Anonymous   The Submarine Torpedo Tube . . . . . . . 28--28
                      Anonymous   The Gordon Bennett Cup Race  . . . . . . 29--30
                   J. C. Wraith   A Curious Formation of Horse's Skull . . 31--31
              Alfred Gradenwitz   The New Nemethy Flying-Machine and the
                                  Principle of Its Construction  . . . . . 31--31
                      Anonymous   Improved Screwdriver . . . . . . . . . . 32--32
                      Anonymous   Business and Personal Wants  . . . . . . 32--32
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 331--331
                      Anonymous   Correspondence . . . . . . . . . . . . . 335--335
                      Anonymous   Recently Patented Inventions . . . . . . 341--342
                      Anonymous   Notes and Queries  . . . . . . . . . . . 342--343
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 343--343
                      Anonymous   Index of Inventions  . . . . . . . . . . 343--347
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 347--347
                      Anonymous   Free Alcohol for Industrial Purposes . . 330--330
                      Anonymous   Indian Summer  . . . . . . . . . . . . . 330--330
                      L. Reuter   Turpentine Derivatives . . . . . . . . . 331--331
                  Emile Guarini   Penetration of Mercury by Seed Radicels  332--332
                      Anonymous   Erecting the Columns for the Choir of
                                  the Cathedral of St. John the Divine . . 332--332
               W. Frank M'clure   A Record in Ore Unloading  . . . . . . . 333--333
                      Anonymous   Electric Railway Locomotives for the New
                                  York Central . . . . . . . . . . . . . . 333--334
                      Anonymous   The Trial Trip of the Armored Cruiser
                                  ``Colorado'' . . . . . . . . . . . . . . 336--337
                      Anonymous   Notable St. Louis Airships . . . . . . . 337--338
                      Anonymous   The Cliff Dwellers at the St. Louis
                                  Exposition . . . . . . . . . . . . . . . 339--339
               Day Allen Willey   A Locomotive Duel Scientifically
                                  Conducted  . . . . . . . . . . . . . . . 340--340
                      Anonymous   Business and Personal Wants  . . . . . . 342--342
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 351--351
                      Anonymous   Correspondence . . . . . . . . . . . . . 355--355
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 361--361
                      Anonymous   Recently Patented Inventions . . . . . . 362--363
                      Anonymous   Notes and Queries  . . . . . . . . . . . 363--363
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 363--363
                      Anonymous   Index of Inventions  . . . . . . . . . . 363--367
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 367--367
                      Anonymous   Increasing Railroad Fatalities . . . . . 350--350
                      Anonymous   The Ventilation of the Subway  . . . . . 350--350
                      Anonymous   The Mining Debris Problem in California  350--350
                      Anonymous   Work on the Simplon Tunnel . . . . . . . 350--351
                 Marrion Wilcox   The Automobile and its Utility in the
                                  Industrial Development of Latin America  351--351
           A. Frederick Collins   A Carboy Inclinator  . . . . . . . . . . 352--352
                      Anonymous   An Improved Cattle Guard . . . . . . . . 352--352
                      Anonymous   Revolving Scrubbing Machine  . . . . . . 352--352
                      Anonymous   The Miethe Color Projector . . . . . . . 353--353
                      Anonymous   Recent Automobile and Motor-Boat Speed
                                  Records  . . . . . . . . . . . . . . . . 353--354
                      Anonymous   The German National Pavilion at St.
                                  Louis  . . . . . . . . . . . . . . . . . 356--357
             Charles C. Johnson   The Cultivation of Tea in Ceylon . . . . 357--358
                   F. W. Galpin   The Water Organ --- a Roman Keyboard
                                  Instrument . . . . . . . . . . . . . . . 358--360
                    H. L. Jones   Tomato Vines Thirty Feet Long  . . . . . 360--360
                      Anonymous   A Curious Piece of Casting . . . . . . . 360--360
                      Anonymous   Business and Personal Wants  . . . . . . 363--363
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 371--371
                      Anonymous   Correspondence . . . . . . . . . . . . . 375--375
                      Anonymous   Recently Patented Inventions . . . . . . 382--382
                      Anonymous   Notes and Queries  . . . . . . . . . . . 383--383
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 383--383
                      Anonymous   Index of Inventions  . . . . . . . . . . 383--386
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 387--387
                      Anonymous   Port Arthur  . . . . . . . . . . . . . . 370--370
                      Anonymous   Hydraulic Jet Propulsion . . . . . . . . 370--370
                      Anonymous   The Vast Railroad System of the United
                                  States . . . . . . . . . . . . . . . . . 370--371
                      Anonymous   Water-Curtain Fire Protection  . . . . . 371--371
                      Anonymous   Loads on Factory Motors  . . . . . . . . 371--371
                      Anonymous   Automatic Step-Ladders . . . . . . . . . 372--372
                      Anonymous   Gasoline-Motor-Propelled Fire Engine . . 372--372
                 John S. Steele   The Wine-Making Industry of New York
                                  State  . . . . . . . . . . . . . . . . . 373--374
              Randolph I. Geare   The Ancient Races of Yucatan and Mexico.
                                  --- I  . . . . . . . . . . . . . . . . . 375--375
                      Anonymous   Japan at the St. Louis Fair  . . . . . . 376--376
                   C. H. Claudy   The New Asteroid Camera at the United
                                  States Naval Observatory . . . . . . . . 377--378
                J. Carter Beard   New Antelopes at the N.Y. Zoological
                                  Park . . . . . . . . . . . . . . . . . . 379--379
                      Anonymous   Patent Departement . . . . . . . . . . . 380--380
                      Anonymous   Blow-Off Mechanism . . . . . . . . . . . 380--380
                      Anonymous   The Schebler Automatic Carbureter  . . . 380--380
                      Anonymous   An Adjustable Candle Holder  . . . . . . 380--380
                      Anonymous   Oddities in Invention  . . . . . . . . . 381--381
                      Anonymous   Business and Personal Wants  . . . . . . 382--382
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 395--395
                      Anonymous   Recently Patented Inventions . . . . . . 400--400
                      Anonymous   Notes and Queries  . . . . . . . . . . . 400--400
                      Anonymous   Index of Inventions  . . . . . . . . . . 400--402
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 403--403
                      Anonymous   Production and Population  . . . . . . . 390--390
                      Anonymous   Gas Turbines . . . . . . . . . . . . . . 390--390
                      Anonymous   Power of Ocean Waves . . . . . . . . . . 390--390
                      Anonymous   Electric Traction for Trunk Roads  . . . 390--390
                      Anonymous   Subway Results . . . . . . . . . . . . . 390--390
                      Anonymous   A United States Warship on Trial . . . . 390--391
                     W. M. Reed   The Heavens in December  . . . . . . . . 391--391
                      Anonymous   Science Notes  . . . . . . . . . . . . . 391--391
              Herbert T. Walker   A Locomotive in Service Sixty Years  . . 392--392
                      Anonymous   A Tilting Lock-Chamber . . . . . . . . . 392--392
                      Anonymous   New form of Liquid Rheostat for Starting
                                  Electric Motors  . . . . . . . . . . . . 393--393
                  Emile Guarini   The Registration of Meteorological
                                  Phenomena in Lapland . . . . . . . . . . 393--394
                      Anonymous   An Interesting Relic . . . . . . . . . . 394--394
                  Daniel Bellet   Henri Becquerel  . . . . . . . . . . . . 395--395
                   H. A. Crafts   The California Redwood in Modern
                                  Engineering  . . . . . . . . . . . . . . 396--398
              Randolph I. Geare   The Ancient Races of Yucatan and Mexico.
                                  --- II . . . . . . . . . . . . . . . . . 398--398
                      Anonymous   Comet ``1904 A'' . . . . . . . . . . . . 398--398
              Walter L. Beasley   Wax Farming in China --- a Strange
                                  Industry . . . . . . . . . . . . . . . . 399--399
                      Anonymous   Business and Personal Wants  . . . . . . 400--400
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 407--408
                      Anonymous   Correspondence . . . . . . . . . . . . . 411--412
                      Anonymous   Legal Notes  . . . . . . . . . . . . . . 417--418
                      Anonymous   Recently Patented Inventions . . . . . . 418--419
                      Anonymous   Notes and Queries  . . . . . . . . . . . 419--420
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 420--420
                      Anonymous   Index of Inventions  . . . . . . . . . . 420--423
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 423--423
                      Anonymous   Close of the St. Louis Fair  . . . . . . 406--406
                      Anonymous   Baldwin and Santos-Dumont  . . . . . . . 406--406
                      Anonymous   Death of a Famous Yacht Designer . . . . 406--406
                      Anonymous   Steel Trackway on Streets  . . . . . . . 406--406
                      Anonymous   Meteorological Observatories at Sea  . . 406--407
            Thomas Arthur Smoot   Will ``Lightwood'' Displace the
                                  Long-Leaf Pine in Turpentine
                                  Distillation?  . . . . . . . . . . . . . 407--407
                      Anonymous   Radio-Active Minerals  . . . . . . . . . 407--407
                      Anonymous   A Simple Burglar Alarm . . . . . . . . . 408--408
                      Anonymous   A Sea Voyage on Land . . . . . . . . . . 408--409
                     J. Peltier   River Rake for Channel Deepening . . . . 409--409
                      Anonymous   Skeleton Models of Warships  . . . . . . 409--411
                      Anonymous   The Racial Exhibit at the St. Louis Fair 412--413
               Frank C. Perkins   The Use of Electricity in Driving
                                  Coal-Conveying Machinery . . . . . . . . 413--415
                      Anonymous   The Roman Galleys Discovered in Lake
                                  Nemi . . . . . . . . . . . . . . . . . . 415--416
                      Anonymous   Patent Department  . . . . . . . . . . . 416--416
                      Anonymous   Improved Exercising Machine  . . . . . . 416--416
                      Anonymous   Sheet Metal Vehicle Wheel  . . . . . . . 416--416
                      Anonymous   Milking Machine  . . . . . . . . . . . . 416--417
                      Anonymous   Business and Personal Wants  . . . . . . 419--419
        
                      Anonymous   Recently Patented Inventions . . . . . . 444--445
                      Anonymous   Notes and Queries  . . . . . . . . . . . 445--446
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 446--454
                      Anonymous   Index of Inventions  . . . . . . . . . . 450--455
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 455--455
                      Anonymous   Panama Canal Problems  . . . . . . . . . 426--426
                      Anonymous   Blondlot and Prof. Wood on the N-Rays    426--426
                      Anonymous   The Electric Smelting of Iron Ore  . . . 426--426
                      Anonymous   Launch of the Armored Cruiser
                                  ``Tennessee''  . . . . . . . . . . . . . 426--426
                      Anonymous   News about the Submerged Coal
                                  Experiments  . . . . . . . . . . . . . . 426--427
                      Anonymous   ``American Estates and Gardens'' . . . . 427--427
                      Anonymous   The New British Patent Act . . . . . . . 427--427
                      Anonymous   To our Subscribers . . . . . . . . . . . 427--427
                      Anonymous   Science Notes  . . . . . . . . . . . . . 427--427
                      Anonymous   Radium and Radio-Activity  . . . . . . . 428--428
            Harold J. Shepstone   The Great London Power Station . . . . . 429--430
                      Anonymous   Roman Remains in North Africa  . . . . . 430--431
                      Anonymous   The High-Powered Traction Engine and Its
                                  Many Uses  . . . . . . . . . . . . . . . 433--434
                    L. Ramakers   Photography of the Interior of the Eye   435--435
                      Anonymous   Aeroplanes in France and M. Archdeacon's
                                  Apparatus. --- Rules for Concourses  . . 435--436
                  Emile Guarini   The Bioscope --- an Instrument for the
                                  Study of Insect Life . . . . . . . . . . 437--438
               Day Allen Willey   Irrigation in Southern California  . . . 439--439
                      Anonymous   Battleships ``Idaho'' and
                                  ``Mississippi''  . . . . . . . . . . . . 440--440
                      Anonymous   The Modern Battleship Within and Without 440--442
                   P. W. Galpin   The How and Why of the Modern Keyboard.
                                  --- I  . . . . . . . . . . . . . . . . . 442--443
                      Anonymous   Business and Personal Wants  . . . . . . 445--445
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 459--459
                      Anonymous   Correspondence . . . . . . . . . . . . . 463--463
                      Anonymous   Recently Patented Inventions . . . . . . 468--468
                      Anonymous   Notes and Queries  . . . . . . . . . . . 468--468
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 468--468
                      Anonymous   Index of Inventions  . . . . . . . . . . 468--470
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 471--471
                      Anonymous   A Great Public Improvement . . . . . . . 458--458
                      Anonymous   A Canard and Its Refutation  . . . . . . 458--458
                      Anonymous   The Crisis of the Russo-Japanese War . . 458--459
                W. S. Cleveland   Tidal Water Power-Means of Obtaining a
                                  Constant Head of about Thirty-Eight Feet 459--459
                      Anonymous   Wireless Burglar Alarm for Safes . . . . 459--459
                      Anonymous   Pneumatic Pump . . . . . . . . . . . . . 460--460
                      Anonymous   Electrical Apparatus for Felling Trees   460--460
                      Anonymous   Destructive Head-On Collision  . . . . . 460--460
              Walter L. Beasley   A New Home for the Peary Meteorite . . . 461--461
                      Anonymous   The Aerial Bridge at Duluth  . . . . . . 461--462
                      Anonymous   The Haschke Compound Storage Battery . . 462--462
                      Anonymous   A Tree on Stilts . . . . . . . . . . . . 464--464
                  H. I. Bennett   Fire Protection for Snowsheds on the
                                  Central Pacific Railroad . . . . . . . . 464--464
                 Oliver Johnson   The Largest Geyser in the World  . . . . 465--466
                      Anonymous   A Novel Adaptation of the Archimedean
                                  Screw  . . . . . . . . . . . . . . . . . 467--467
                      Anonymous   A River of Fish  . . . . . . . . . . . . 467--467
                      Anonymous   Business and Personal Wants  . . . . . . 468--468
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 39--39
                      Anonymous   Correspondence . . . . . . . . . . . . . 43--43
                      Anonymous   Recently Patented Inventions . . . . . . 49--50
                      Anonymous   Notes and Queries  . . . . . . . . . . . 51--51
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 51--52
                      Anonymous   Index of Inventions  . . . . . . . . . . 52--55
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 55--55
                      Anonymous   How Long Must We Suffer  . . . . . . . . 38--38
                      Anonymous   Corrosion of Steam Boilers . . . . . . . 38--38
                      Anonymous   New Method of Gold Extraction from
                                  Pyrites Used in Italy  . . . . . . . . . 38--38
                      Anonymous   Borax, and Food  . . . . . . . . . . . . 39--39
                      Anonymous   A Novel Air Compressor . . . . . . . . . 40--40
              Alfred Gradenwitz   An Apparatus for Preventing Seasickness  40--40
                      Anonymous   The Plans for the New Manhattan Bridge   41--42
                      Anonymous   The New White Star Liner ``Baltic'' ---
                                  the Largest Vessel in the World  . . . . 44--46
                      Anonymous   Cascades and Colonnade of States at the
                                  Exposition . . . . . . . . . . . . . . . 46--46
                   N. R. Briggs   Lensless Photography . . . . . . . . . . 46--46
                      Anonymous   The New Australian Patent Act  . . . . . 47--47
                      Anonymous   Voting Machine . . . . . . . . . . . . . 47--47
                      Anonymous   A Compensating Windmill  . . . . . . . . 47--48
                      Anonymous   Improved Gage  . . . . . . . . . . . . . 48--48
                      Anonymous   Hose or Pipe Coupling  . . . . . . . . . 48--48
                      Anonymous   Grain Lifter for Headers . . . . . . . . 48--48
                      Anonymous   Ventilated Eye-Shade . . . . . . . . . . 48--48
                      Anonymous   Chain Clamp  . . . . . . . . . . . . . . 48--48
                      Anonymous   Business and Personal Wants  . . . . . . 50--50
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 59--59
                      Anonymous   Recently Patented Inventions . . . . . . 67--68
                      Anonymous   Notes and Queries  . . . . . . . . . . . 68--68
                      Anonymous   Index of Inventions  . . . . . . . . . . 68--71
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 71--71
                      Anonymous   What We Inherit with the Panama Canal    58--58
                      Anonymous   Cost of Electric Heating . . . . . . . . 58--59
                      Anonymous   Study of Forest Conditions . . . . . . . 59--59
                      Anonymous   Long-Distance Non-Stop Railroad Runs in
                                  Great Britain --- a New World's Record   59--59
                      Anonymous   Automatic Coupling for Air-Brake Hose    60--60
                      Anonymous   An Ingenious Adjustable Universal
                                  Coupling . . . . . . . . . . . . . . . . 60--60
               W. G. Fitzgerald   The British Fireman's Mask and Smoke
                                  Jacket . . . . . . . . . . . . . . . . . 61--61
                      Anonymous   Registration Balloons in Italy . . . . . 61--62
                      Anonymous   Sir William Ramsay . . . . . . . . . . . 62--63
           C. Field Glasgow and   
             Lieutenant-Colonel   The New French Battleship ``Démocratie''  64--64
                      Anonymous   The Government Philippine Exposition . . 64--66
              Walter L. Beasley   The Flamingo and Its Queer Nest  . . . . 66--67
               James A. Warnock   The Great Rotorua Geyser of New Zealand  67--67
                      Anonymous   Business and Personal Wants  . . . . . . 68--68
        
           Henry Norris Russell   The Heavens in August  . . . . . . . . . 75--75
                      Anonymous   Correspondence . . . . . . . . . . . . . 78--78
                      Anonymous   Recently Patented Inventions . . . . . . 84--84
                      Anonymous   Notes and Queries  . . . . . . . . . . . 85--85
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 85--85
                      Anonymous   Index of Inventions  . . . . . . . . . . 85--87
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 87--87
                      Anonymous   Railroads in Sweden to Use Electric
                                  System . . . . . . . . . . . . . . . . . 74--74
                      Anonymous   Recent Excavations at Carthage . . . . . 74--74
                      Anonymous   Wave-Operated Clocks at Paris  . . . . . 74--74
                      Anonymous   The Great Size of the St. Louis
                                  Exposition . . . . . . . . . . . . . . . 74--74
                      Anonymous   Need of Cotton-Picking Machines  . . . . 74--75
                      Anonymous   New York Central Express Compound
                                  Locomotive . . . . . . . . . . . . . . . 76--76
                      Anonymous   Automobile Street Sprinkler  . . . . . . 77--77
                      Anonymous   Planing Machine for Ships' Decks . . . . 77--77
                      Anonymous   The Berger Disinfecting Lamp . . . . . . 78--78
                      Anonymous   What the Loss of the Port Arthur Fleet
                                  Would Mean to Russia . . . . . . . . . . 79--79
               Howard B. Dailey   Electrostatic Illuminations: Interesting
                                  Experiments for the Induction Machine    80--80
               Day Allen Willey   The Work of a Western Cyclone  . . . . . 81--82
                      Anonymous   A Section of the Hudson River Tunnel at
                                  the World's Fair . . . . . . . . . . . . 82--82
               C. E. Hutchinson   A Trapdoor Spider  . . . . . . . . . . . 83--83
                      Anonymous   Some New Additions to the United States
                                  Zoological Park  . . . . . . . . . . . . 83--83
                      Anonymous   Business and Personal Wants  . . . . . . 84--85
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 91--91
                      Anonymous   Correspondence . . . . . . . . . . . . . 95--95
                      Anonymous   Recently Patented Inventions . . . . . . 100--100
                      Anonymous   Notes and Queries  . . . . . . . . . . . 100--100
                      Anonymous   Index of Inventions  . . . . . . . . . . 100--103
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 103--103
                      Anonymous   The Exposition as an Educational Force   90--90
                      Anonymous   Osmon, a New Combustible from Peat . . . 90--90
                      Anonymous   M. Curie's Experiments with Radium
                                  Emanations . . . . . . . . . . . . . . . 90--90
                      Anonymous   Tropical Specialties for Porto Rico  . . 90--91
                      Anonymous   The Influence of Milking upon the
                                  Quantity and Quality of Milk . . . . . . 91--91
                    A. C. Maury   Phosphorescent Crystallization of
                                  Arsenious Acid . . . . . . . . . . . . . 91--91
                      Anonymous   The Locomotive-Testing Plant at the
                                  World's Fair . . . . . . . . . . . . . . 92--92
                   John Plummer   Counterweighted Cable Tramway  . . . . . 93--93
                      Anonymous   A Novel Wave Meter for Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 93--94
                      Anonymous   A Handless Clock . . . . . . . . . . . . 94--94
          Major B. Baden-Powell   Aeroplane Experiments  . . . . . . . . . 96--96
                      Anonymous   Trained Animals at the World's Fair  . . 97--98
                      Anonymous   The Bee as an Artisan  . . . . . . . . . 98--98
             R. E. Chambers and   
                            Rev   Transportation Old and New . . . . . . . 99--99
                      Anonymous   Business and Personal Wants  . . . . . . 100--100
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 111--111
                      Anonymous   Recently Patented Inventions . . . . . . 116--116
                      Anonymous   Notes and Queries  . . . . . . . . . . . 117--117
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 117--117
                      Anonymous   Index of Inventions  . . . . . . . . . . 117--119
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 119--119
                      Anonymous   Four Leading Foreign Exhibits at the
                                  World's Fair . . . . . . . . . . . . . . 106--106
                      Anonymous   The Penetrating Power of ``N$_1$-Rays''  106--107
                      Anonymous   The Position of the Range Finder on a
                                  Warship  . . . . . . . . . . . . . . . . 107--107
                      Anonymous   Renard's New Boiler for Airships . . . . 107--107
                      Anonymous   A New Cunarder . . . . . . . . . . . . . 107--107
                      Anonymous   The National Geographic Congress . . . . 107--107
                      Anonymous   The Automobile Tour to the World's Fair  107--107
                 Waldon Fawcett   The United States Marine Corps . . . . . 108--108
               Frank C. Perkins   The Mercury Vapor Lamp for Photographic
                                  Work . . . . . . . . . . . . . . . . . . 108--108
                     A. F. Shaw   The Utilization of Snake Venom in
                                  Preparing Anti-Bubonic Serum . . . . . . 109--110
                  Emile Guarini   The Mount Pilatus Railway, Switzerland   110--111
                      Anonymous   Speed Trial of the Battleship ``Ohio''   112--112
               Arthur Inkersley   Strange Sights in the Far North  . . . . 112--114
                      Anonymous   Cabinet for Storing Phonograph Records   114--114
                      Anonymous   Medical Battery  . . . . . . . . . . . . 114--114
                      Anonymous   A Marvelous Automobile Record ---
                                  1031/2Miles an Hour  . . . . . . . . . . 115--115
                      Anonymous   The Oldest Known Inhabitant of the Globe 115--115
                      Anonymous   Business and Personal Wants  . . . . . . 116--116
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 126--126
                      Anonymous   Recently Patented Inventions . . . . . . 132--132
                      Anonymous   Notes and Queries  . . . . . . . . . . . 132--132
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 132--132
                      Anonymous   Index of Inventions  . . . . . . . . . . 132--135
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 135--135
                      Anonymous   Japanese Daring on Land and Caution on
                                  the Sea  . . . . . . . . . . . . . . . . 122--122
                      Anonymous   Radio-Activity Induced by the Emanations
                                  of Incandescent Metal Wires  . . . . . . 122--122
                      Anonymous   Deductions from the Baltimore Fire . . . 122--123
                      Anonymous   Electricity in Agriculture . . . . . . . 123--123
                      Anonymous   A Plea for the Endowment of Astronomical
                                  Research . . . . . . . . . . . . . . . . 123--123
              William A. Lawson   Mammoth Dredger Used for Reclamation
                                  Work in California . . . . . . . . . . . 124--124
                  Emile Guarini   An Instrument for Indicating Mean
                                  Astronomical Noon  . . . . . . . . . . . 125--125
                      Anonymous   New Steam Turbine  . . . . . . . . . . . 125--125
               Frank C. Perkins   A New German Tower Electric Crane  . . . 125--126
                      Anonymous   Pumping Machinery at the St. Louis Fair  126--126
                   Mary Proctor   The 1905 Eclipse of the Sun  . . . . . . 127--127
                      Anonymous   Admiral Togo's Flagship ``Mikasa'' . . . 128--130
                      Anonymous   The Iguana . . . . . . . . . . . . . . . 130--130
                    R. I. Geare   The Reindeer Industry in Alaska  . . . . 131--131
                      Anonymous   Business and Personal Wants  . . . . . . 132--132
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 143--143
                      Anonymous   Recently Patented Inventions . . . . . . 148--148
                      Anonymous   Notes and Queries  . . . . . . . . . . . 148--148
                      Anonymous   Index of Inventions  . . . . . . . . . . 148--151
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 151--151
                      Anonymous   The \booktitleScientific American and
                                  the St. Louis Fair . . . . . . . . . . . 138--138
                      Anonymous   Railway Speeds Here and in Europe  . . . 138--138
                      Anonymous   A Great Railway Scheme . . . . . . . . . 138--138
                      Anonymous   The Romance of Light . . . . . . . . . . 138--139
                      Anonymous   Glass Models of Microscopic Forms of
                                  Life --- an Interesting Art  . . . . . . 140--141
                      Anonymous   The New York Subway Instruction Car  . . 141--141
             Charles Alma Byers   Side-Door Coaches for World's Fair
                                  Service  . . . . . . . . . . . . . . . . 141--142
                      Anonymous   Ice-Cutting Machine  . . . . . . . . . . 142--142
                      Anonymous   The Direct Production of Photographs in
                                  Colors by a New Method . . . . . . . . . 142--142
                      Anonymous   War Department Exhibit at the St. Louis
                                  Fair . . . . . . . . . . . . . . . . . . 144--145
                      Anonymous   The Defeat of the Vladivostock Squadron  146--147
             J. Mayne Baltimore   The New Baldwin Airship  . . . . . . . . 147--148
                      Anonymous   Business and Personal Wants  . . . . . . 148--148
        
                      Anonymous   Recently Patented Inventions . . . . . . 12--12
                      Anonymous   Notes and Queries  . . . . . . . . . . . 12--12
                      Anonymous   Index of Inventions  . . . . . . . . . . 12--15
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 15--15
                      Anonymous   Retrospect of the Year 1904  . . . . . . 2--3
                      Anonymous   A Gearless Two-Speed Bicycle . . . . . . 4--4
                      Anonymous   A Bad Case of Gun Erosion  . . . . . . . 4--4
                      Anonymous   New Photographic Lamp  . . . . . . . . . 4--4
               W. Frank M'clure   The Manufacture of Macaroni  . . . . . . 5--5
                      Anonymous   The Largest Water Turbine in Existence   6--6
                 Lewis M. Haupt   The New York Harbor Entrance . . . . . . 7--7
                  Emile Guarini   The Turbine-Driven Steamer ``Manxman''   8--8
                     Enos Brown   The Prune and its Cultivation  . . . . . 9--10
                      Anonymous   The Largest Lobster on Record  . . . . . 10--10
                J. Carter Beard   The Queerest of Creatures --- I  . . . . 11--11
                      Anonymous   Business and Personal Wants  . . . . . . 12--12
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 203--203
                      Anonymous   Recently Patented Inventions . . . . . . 209--209
                      Anonymous   Notes and Queries  . . . . . . . . . . . 210--210
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 210--210
                      Anonymous   Index of Inventions  . . . . . . . . . . 210--215
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 215--215
                      Anonymous   A Port Arthur Mystery Explained  . . . . 198--198
                      Anonymous   Proposed Manhattan Loop for Brooklyn
                                  Elevated Roads . . . . . . . . . . . . . 198--198
                      Anonymous   New Experiments in Turpentining  . . . . 198--198
                      Anonymous   Wind Pressure on Bridges . . . . . . . . 198--198
                      Anonymous   Studies of the Food Value of Fruit . . . 198--199
                  Hugo Erichsen   The Dangers of Dining  . . . . . . . . . 199--199
                      Anonymous   New Compound Formed in Electric Furnace  199--199
                      Anonymous   New Sun Spots  . . . . . . . . . . . . . 199--199
                Arthur B. Weeks   A Rolling Road for Horses and Wagons . . 200--200
                      Anonymous   Curious Effects of Damage by Ice . . . . 200--200
                      Anonymous   A Typewriter a Minute  . . . . . . . . . 201--202
                      Anonymous   A Magnetic Indicator for Tanks . . . . . 203--203
                      Anonymous   The New Cunard Liner ``Caronia'' . . . . 204--205
                      Anonymous   Chicago's Freight Subways  . . . . . . . 205--206
                      Anonymous   Story of the Operations of the Russian
                                  Fleet at Pt, Arthur as told by One of
                                  the Commanders . . . . . . . . . . . . . 206--208
                      Anonymous   Business and Personal Wants  . . . . . . 209--209
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 223--223
                      Anonymous   Recently Patented Inventions . . . . . . 229--229
                      Anonymous   Notes and Queries  . . . . . . . . . . . 230--230
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 230--231
                      Anonymous   Index of Inventions  . . . . . . . . . . 231--235
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 235--235
                      Anonymous   Lake Erie and the New York Water Supply  218--218
                      Anonymous   The Tempering of Bronze  . . . . . . . . 218--218
                      Anonymous   Suburban Traffic in London . . . . . . . 218--218
                      Anonymous   Bacterial Soil Inoculation for
                                  Vegetables . . . . . . . . . . . . . . . 218--219
                      Anonymous   An Important Discovery in the
                                  Purification of Contaminated Water . . . 219--219
              Wallace C. Sabine   The Whispering Gallery in the Capitol at
                                  Washington . . . . . . . . . . . . . . . 219--219
                      Anonymous   The French Aeroplane Contest . . . . . . 220--220
                      Anonymous   Inoculating Animals against Disease  . . 221--221
            Charles A. Brassler   The Astronomical Clock of the City Hall
                                  of Ulm . . . . . . . . . . . . . . . . . 221--222
       Edward Whitehead Curtiss   A Study of the Brooklyn Bridge Problem   222--223
           A. Frederick Collins   Transportation of Materials by
                                  Electricity  . . . . . . . . . . . . . . 224--226
                Charles R. King   The Completion of the Simplon Tunnel . . 226--226
                      Anonymous   Port Arthur after the Capitulation . . . 227--228
                      Anonymous   A New Type of Rail Joint . . . . . . . . 228--228
                      Anonymous   Improved Backing Harness for Teams . . . 228--228
                      Anonymous   Reamer for Enlarging Blast Holes . . . . 228--228
                      Anonymous   Business and Personal Wants  . . . . . . 229--229
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 243--243
                      Anonymous   Recently Patented Inventions . . . . . . 248--248
                      Anonymous   Notes and Queries  . . . . . . . . . . . 248--250
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 250--251
                      Anonymous   Index of Inventions  . . . . . . . . . . 251--255
                      Anonymous   Japan's Losses on the Sea  . . . . . . . 238--238
                      Anonymous   A Sea-Level Canal at Panama  . . . . . . 238--238
                      Anonymous   The Tides at Colon and Panama  . . . . . 238--239
                      Anonymous   An Electrical Analogue for Respiration   239--239
                      Anonymous   The British Naval Programme for 1905 . . 239--239
                      Anonymous   Science Notes  . . . . . . . . . . . . . 239--239
              Alfred Gradenwitz   A Novel Process for using Blue Light as
                                  an Anæsthetic . . . . . . . . . . . . . . 240--240
                      Anonymous   The New British Battleship ``King Edward
                                  VII''  . . . . . . . . . . . . . . . . . 240--240
               Day Allen Willey   Striking Snow Statuary . . . . . . . . . 241--241
                      Anonymous   The New York Hippodrome  . . . . . . . . 241--242
                      Anonymous   Registering Thermometer  . . . . . . . . 243--243
                      Anonymous   A New Cadmium Lamp . . . . . . . . . . . 243--243
                      Anonymous   The Tombs at Mukden of the Ming Dynasty  244--245
             Charles B. Hayward   Powerful German Windmills  . . . . . . . 245--246
                      Anonymous   Multi-Firearms of Ancient Times  . . . . 246--247
                      Anonymous   Business and Personal Wants  . . . . . . 248--248
        
           Henry Norris Russell   The Heavens in April . . . . . . . . . . 259--259
                      Anonymous   Correspondence . . . . . . . . . . . . . 262--263
                      Anonymous   Recently Patented Inventions . . . . . . 269--269
                      Anonymous   Notes and Queries  . . . . . . . . . . . 269--270
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 270--271
                      Anonymous   Index of Inventions  . . . . . . . . . . 271--275
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 275--275
                      Anonymous   Casualties --- Military and Civil  . . . 258--258
                      Anonymous   ``Consigned to the Scrap Heap''  . . . . 258--258
                      Anonymous   Electric Railways and Population . . . . 258--258
              N. Monroe Hopkins   The George Washington University . . . . 258--259
                      Anonymous   Science Notes  . . . . . . . . . . . . . 259--259
                      Anonymous   The Current Supplement . . . . . . . . . 259--259
                      Anonymous   Cables that Withstand 90,000 Volts . . . 260--260
                      Anonymous   The Progress of Aviation Since 1891  . . 260--260
              W. G. Fitz Gerald   A Swimming School for Cavalry Horses . . 261--261
                      Anonymous   A Simple Rim for Detachable Tires  . . . 261--262
           A. Frederick Collins   A Home-Made Wireless Signaling
                                  Transmitter  . . . . . . . . . . . . . . 263--263
                     Enos Brown   Salt Making on San Francisco Bay . . . . 264--266
                  Emile Guarini   The Barossa Dam, Southern Australia  . . 266--266
                      Anonymous   The New Blackwell's Island Bridge  . . . 266--266
                      Anonymous   Patent Department  . . . . . . . . . . . 267--267
                      Anonymous   Lineman's Support  . . . . . . . . . . . 267--267
                      Anonymous   An Ink-Controlled Fountain Drawing and
                                  Writing Pen  . . . . . . . . . . . . . . 267--267
                      Anonymous   Rail-Joint Connection  . . . . . . . . . 267--267
                      Anonymous   Hose Coupling  . . . . . . . . . . . . . 267--268
                      Anonymous   Railway Gage . . . . . . . . . . . . . . 268--268
                      Anonymous   Oddities in Invention  . . . . . . . . . 268--268
                      Anonymous   The New Trade Mark Law . . . . . . . . . 268--268
                      Anonymous   Business and Personal Wants  . . . . . . 269--269
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 286--286
                      Anonymous   Recently Patented Inventions . . . . . . 289--289
                      Anonymous   Notes and Queries  . . . . . . . . . . . 289--290
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 290--291
                      Anonymous   Index of Inventions  . . . . . . . . . . 291--295
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 295--295
                      Anonymous   The Ocean Race for the German Emperor's
                                  Cup  . . . . . . . . . . . . . . . . . . 278--278
                      Anonymous   The Dangers and Difficulties of Tunnel
                                  Boring . . . . . . . . . . . . . . . . . 278--278
                      Anonymous   Electric Street Railroads Versus
                                  Motor-Propelled Vehicles for Passenger
                                  Traffic  . . . . . . . . . . . . . . . . 278--279
                  Hugo Erichsen   An Antitoxin for Laziness  . . . . . . . 279--279
                      Anonymous   Turbines vs. Reciprocating Engines in
                                  Marine Service . . . . . . . . . . . . . 279--279
               Day Allen Willey   The Lofty Pecos Viaduct on the Southern
                                  Pacific Railway  . . . . . . . . . . . . 280--280
                      Anonymous   The Largest of Bears . . . . . . . . . . 280--281
                      Anonymous   The ``Victorian'' the First Turbine
                                  Atlantic Liner . . . . . . . . . . . . . 281--282
             Edward F. Chandler   Miniature Cameras  . . . . . . . . . . . 282--282
                Arthur B. Weeks   How to Make an Electric Soldering Iron   283--283
                      Anonymous   The Double-Deck Subway System  . . . . . 283--284
                      Anonymous   The Entries for the German Emperor's
                                  Ocean Cup Race . . . . . . . . . . . . . 285--285
                      Anonymous   The Great Premier Diamond  . . . . . . . 285--286
              Walter L. Beasley   Some Remarkable Old Chinese Bronzes  . . 287--288
                      Anonymous   Business and Personal Wants  . . . . . . 289--289
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 303--303
                      Anonymous   Recently Patented Inventions . . . . . . 309--310
                      Anonymous   Notes and Queries  . . . . . . . . . . . 310--311
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 311--312
                      Anonymous   Index of Inventions  . . . . . . . . . . 312--315
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 315--315
                      Anonymous   Vandalism at Niagara Falls . . . . . . . 298--298
                      Anonymous   The True Point of View . . . . . . . . . 298--298
                      Anonymous   The Fastest 40-Foot Motor Boat . . . . . 298--298
                      Anonymous   Complete the Present Subway Plan . . . . 298--298
                     W. Ostwald   The Chemistry of Painting and the
                                  Preservation of Canvases . . . . . . . . 298--299
                 Alton D. Adams   Niagara Power at Goat Island . . . . . . 299--299
                      Anonymous   Science Notes  . . . . . . . . . . . . . 299--299
                      Anonymous   Standard Time at a Modern Watch Works    300--301
                      Anonymous   The Opening of the New Croton Reservoir  302--302
                      Anonymous   Liquid Fuel Burner . . . . . . . . . . . 303--303
                      Anonymous   Alcohol from Sawdust . . . . . . . . . . 304--304
                      Anonymous   A Column of Horseshoes . . . . . . . . . 305--305
                      Anonymous   The Giantess Rosa Wedsted  . . . . . . . 305--305
                      Anonymous   A Spontaneously-Moving Stone Ball  . . . 305--307
                      L. Lodian   Concentrated Tea Slabs . . . . . . . . . 308--308
                      Anonymous   A Curiously Distorted Locomotive . . . . 308--308
             J. Mayne Baltimore   A Very Rare Bronze Casting . . . . . . . 308--308
                      Anonymous   Business and Personal Wants  . . . . . . 310--310
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 322--322
                      Anonymous   Recently Patented Inventions . . . . . . 328--328
                      Anonymous   Notes and Queries  . . . . . . . . . . . 329--330
                      Anonymous   Index of Inventions  . . . . . . . . . . 330--335
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 335--335
                      Anonymous   Maximum Load Due to Crowding . . . . . . 318--318
                      Anonymous   Rojestvensky . . . . . . . . . . . . . . 318--318
                      Anonymous   Radium on Metals . . . . . . . . . . . . 318--318
                  Alex. Del Mar   Our Heritage of the Mechanical Arts  . . 319--319
                      Anonymous   Novelties in Fire Alarms . . . . . . . . 319--319
                      Anonymous   Science Notes  . . . . . . . . . . . . . 319--319
                      Anonymous   Maximum Load Due to a Crowd of People    320--320
                      Anonymous   Disappearing Coast-Defense Guns  . . . . 320--320
               Day Allen Willey   The Vesuvius of America  . . . . . . . . 321--322
              Alfred Gradenwitz   A Leadless Sounding Apparatus  . . . . . 323--323
              W. G. Fitz-Gerald   Realism in Military Maneuvers  . . . . . 324--324
                     Enos Brown   The Concrete Amphitheater at Berkeley,
                                  Cal  . . . . . . . . . . . . . . . . . . 324--326
                      Anonymous   An Electric Street Sprinkler . . . . . . 326--326
                      Anonymous   Patent Department  . . . . . . . . . . . 327--327
                      Anonymous   Improved Belt-Stud Tool  . . . . . . . . 327--327
                      Anonymous   Improved Shell-Digger  . . . . . . . . . 327--327
                      Anonymous   Oddities in Inventions . . . . . . . . . 327--327
                      Anonymous   Business and Personal Wants  . . . . . . 329--329
        
           Henry Norris Russell   The Heavens in May . . . . . . . . . . . 339--339
                      Anonymous   Recently Patented Inventions . . . . . . 349--349
                      Anonymous   Notes and Queries  . . . . . . . . . . . 350--351
                      Anonymous   Index of Inventions  . . . . . . . . . . 351--355
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 355--355
                      Anonymous   Subway Competition and Cheap Fares . . . 338--338
                      Anonymous   Another Turbine Atlantic Liner . . . . . 338--338
                      Anonymous   ``Connecticut''--``Louisiana'' Contest   338--338
                      Anonymous   The Vanderbilt Water-Tube Boiler for
                                  Locomotives  . . . . . . . . . . . . . . 338--338
                  Alex. Del Mar   Our Heritage of the Mechanical Arts ---
                                  II . . . . . . . . . . . . . . . . . . . 339--339
                      L. Lodian   The Virgin Lace (Lace-Bark) of the
                                  Tropics  . . . . . . . . . . . . . . . . 340--340
                      Anonymous   An Efficient Disk Transmission for
                                  Automobiles  . . . . . . . . . . . . . . 340--340
           A. Frederick Collins   The Cooper Hewitt Mercury Vapor
                                  Converter  . . . . . . . . . . . . . . . 341--341
                      Anonymous   New Masonry Drydock at the Boston Navy
                                  Yard . . . . . . . . . . . . . . . . . . 341--342
                      Anonymous   How Hydrographic Charts are Made . . . . 343--343
                      Anonymous   Harnessing the Victoria Falls for
                                  Electrical Power . . . . . . . . . . . . 344--345
                      Anonymous   Pompeiian Silver Ware  . . . . . . . . . 346--346
               James G. M'curdy   Novel Method of Logging Small Tracts . . 347--348
              Charles F. Holder   Photographing Leaping Fishes . . . . . . 348--348
                      Anonymous   Business and Personal Wants  . . . . . . 349--350
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 363--363
                      Anonymous   Recently Patented Inventions . . . . . . 369--369
                      Anonymous   Notes and Queries  . . . . . . . . . . . 369--370
                      Anonymous   Index of Inventions  . . . . . . . . . . 370--375
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 375--375
                      Anonymous   Safety of the Great Assouan Dam  . . . . 358--358
                      Anonymous   The Manhattan Bridge Scandal . . . . . . 358--358
                      Anonymous   Textile Fabrics of Paper . . . . . . . . 358--359
                Marcus Benjamin   The National Academy of Sciences . . . . 359--359
                  Alex. Del Mar   Our Heritage of the Mechanical Arts ---
                                  III  . . . . . . . . . . . . . . . . . . 359--359
                      Anonymous   Science Notes  . . . . . . . . . . . . . 359--359
                      Anonymous   A Novel Balanced Door  . . . . . . . . . 360--360
               L. R. Gignilliat   Manning Oars and Halyards as a Summer
                                  Outing . . . . . . . . . . . . . . . . . 360--362
                      Anonymous   A Simple Rheostat  . . . . . . . . . . . 362--362
               Day Allen Willey   The Lewis and Clark Exposition . . . . . 364--366
                      Anonymous   Raising an Aeroplane with an Automobile  366--366
                      Anonymous   Finding of the Body of Admiral Paul
                                  Jones in Paris . . . . . . . . . . . . . 367--367
           A. Frederick Collins   A New Type of Watch Demagnetizer . . . . 368--368
                      Anonymous   Improvement in Magazine Firearms . . . . 368--368
                      Anonymous   Tent Fastener  . . . . . . . . . . . . . 368--368
                      Anonymous   Business and Personal Wants  . . . . . . 369--369
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 383--383
                      Anonymous   Recently Patented Inventions . . . . . . 389--389
                      Anonymous   Notes and Queries  . . . . . . . . . . . 389--389
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 390--390
                      Anonymous   Index of Inventions  . . . . . . . . . . 390--395
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 395--395
                      Anonymous   The International Railway Congress . . . 378--378
                      Anonymous   The Economics of the Moving Platform . . 378--378
                      Anonymous   The Strength of Timber Treated with
                                  Preservatives  . . . . . . . . . . . . . 378--379
                      Anonymous   A Visit to the Interior of the Crater of
                                  Mont Pelée and a Partial Ascent of the
                                  New ``Dome'' . . . . . . . . . . . . . . 379--379
                      Anonymous   A New Type of Cow-Milking Machine  . . . 380--380
                      Anonymous   Completing the Jerome Park Reservoir . . 381--382
                      Anonymous   The Auxetophone for Reinforcing
                                  Gramophone Sounds  . . . . . . . . . . . 382--382
                      Anonymous   Moving Platform Subway for New York City 382--383
                 Charles Lavell   The Viagraph: An Instrument for
                                  Measuring Road Wear  . . . . . . . . . . 384--384
                      Anonymous   The Making of a Gobelin Tapestry . . . . 384--386
                      Anonymous   A Novel Five-Wheeled Automobile  . . . . 386--386
                      Anonymous   Bee Culture for Medicinal Purposes . . . 387--387
             Charles Alma Byers   A Petrified Forest Covering Thousands of
                                  Acres  . . . . . . . . . . . . . . . . . 388--388
                      Anonymous   Business and Personal Wants  . . . . . . 389--389
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 27--27
                      Anonymous   Recently Patented Inventions . . . . . . 30--31
                      Anonymous   Notes and Queries  . . . . . . . . . . . 31--31
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 31--31
                      Anonymous   Index of Inventions  . . . . . . . . . . 31--35
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 35--35
                      Anonymous   Lessons of the Japanese War  . . . . . . 18--18
                      Anonymous   Performance of French and American
                                  Locomotives Compared . . . . . . . . . . 18--18
                     P. Greeley   The Proposed New Trade-Mark Law  . . . . 19--19
                      Anonymous   Engineering Notes  . . . . . . . . . . . 19--19
                  William Etzel   A Four-Thousand-Dollar Watch . . . . . . 20--20
              Alfred Gradenwitz   A Novel Water Wheel  . . . . . . . . . . 20--20
           A. Frederick Collins   The Gros Life-Belt . . . . . . . . . . . 21--21
               Day Allen Willey   Snow Crystals  . . . . . . . . . . . . . 21--22
                      Anonymous   Packing for Steam-Boiler Manholes  . . . 22--22
                      Anonymous   An Annual Italian Automobile Cup Race    22--22
                J. A. MacDonald   Determining the Meridian without
                                  Instruments  . . . . . . . . . . . . . . 23--23
                      Anonymous   Why Barrels are Broken by Ice Expansion  23--23
                      Anonymous   An Interesting Powerful Steam Dredger
                                  for Harbor Work  . . . . . . . . . . . . 24--24
                  Richard Barry   The Investment, Siege, and Capture of
                                  Port Arthur  . . . . . . . . . . . . . . 24--27
                      Anonymous   Patent Department  . . . . . . . . . . . 28--28
                      Anonymous   Improved Garment Hanger  . . . . . . . . 28--28
                      Anonymous   Novel Attachment for Automobiles . . . . 28--28
                      Anonymous   Oddities in Invention  . . . . . . . . . 28--29
                      Anonymous   Business and Personal Wants  . . . . . . 31--31
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 403--403
                      Anonymous   Recently Patented Inventions . . . . . . 409--410
                      Anonymous   Notes and Queries  . . . . . . . . . . . 410--411
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 412--412
                      Anonymous   Index of Inventions  . . . . . . . . . . 412--415
                      Anonymous   The Recent Railroad Horror . . . . . . . 398--398
                      Anonymous   Two Great Ocean Contests . . . . . . . . 398--398
                      Anonymous   Complete the Coast Defenses  . . . . . . 398--398
                      Anonymous   The International Railway Congress . . . 398--399
                      Anonymous   An Electric Process for Manufacturing
                                  Peat . . . . . . . . . . . . . . . . . . 399--399
                      Anonymous   Artificial Cotton  . . . . . . . . . . . 399--399
                      Anonymous   Science Notes  . . . . . . . . . . . . . 399--399
            Charles A. Brassler   An Astronomical Clock with an Automatic
                                  Adjustment of Time and Church Calendar   400--400
               Day Allen Willey   Concrete Foundations of the New
                                  Passenger Station, Washington, D.C.  . . 401--402
                      Anonymous   The Modern High-Speed Locomotive . . . . 402--402
                      Anonymous   The Great 3,000-Mile Yacht Race  . . . . 402--403
                      Anonymous   The Montgomery Aeroplane . . . . . . . . 404--406
                      Anonymous   Destroying a Russian Mine  . . . . . . . 406--406
                      Anonymous   Comparative Tests of Steam and Electric
                                  Locomotives  . . . . . . . . . . . . . . 407--407
                      Anonymous   Patent and Department  . . . . . . . . . 408--408
                      Anonymous   An Improved Viscosimeter . . . . . . . . 408--408
                      Anonymous   An Improved Fire Extinguisher  . . . . . 408--408
                      Anonymous   Apparatus for Testing Flashing Points of
                                  Oils . . . . . . . . . . . . . . . . . . 408--408
                      Anonymous   Business and Personal Wants  . . . . . . 410--410
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 423--423
                      Anonymous   Recently Patented Inventions . . . . . . 428--428
                      Anonymous   Notes and Queries  . . . . . . . . . . . 430--431
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 431--431
                      Anonymous   Index of Inventions  . . . . . . . . . . 431--435
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 435--435
                      Anonymous   High Explosives on Freight Trains  . . . 418--418
                      Anonymous   An Oft-Repeated Question . . . . . . . . 418--418
                      Anonymous   Coal Supply of the Future  . . . . . . . 418--418
                      Anonymous   Battleship Strength of the Navies of the
                                  World  . . . . . . . . . . . . . . . . . 418--418
                      Anonymous   Superstitions that Prevail in Rural
                                  Sections . . . . . . . . . . . . . . . . 418--419
                      Anonymous   The First Observations with
                                  ``Ballons-Sondes'' in America  . . . . . 419--419
                 J. A. Honeking   A Method for Putting Printed Matter on
                                  Finished Lantern Slides  . . . . . . . . 419--419
                      Anonymous   Science Notes  . . . . . . . . . . . . . 419--419
                      Anonymous   A Historical Locomotive  . . . . . . . . 420--420
              Randolph I. Geare   The Cobra  . . . . . . . . . . . . . . . 420--420
                  Emile Guarini   Oxygen at Home . . . . . . . . . . . . . 421--421
                      Anonymous   The Renaissance of the Bayonet . . . . . 421--422
                      Anonymous   Start of the Ocean Race  . . . . . . . . 422--422
                      Anonymous   American Racing Cars for the
                                  International Cup Race . . . . . . . . . 424--424
              Walter L. Beasley   The New York Aquarium  . . . . . . . . . 425--426
                      Anonymous   A Novel Power Launch for Clearing
                                  Weed-Infested Waterways  . . . . . . . . 426--426
                    L. Ramakers   Modern Thermometric Apparatus for High
                                  Temperatures . . . . . . . . . . . . . . 427--427
                      Anonymous   Business and Personal Wants  . . . . . . 428--428
        
           Henry Norris Russell   The Heavens in June  . . . . . . . . . . 439--439
                      Anonymous   Correspondence . . . . . . . . . . . . . 443--443
                      Anonymous   Recently Patented Inventions . . . . . . 449--450
                      Anonymous   Notes and Queries  . . . . . . . . . . . 451--452
                      Anonymous   Index of Inventions  . . . . . . . . . . 452--455
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 455--455
                      Anonymous   Alternative Plans for the Panama Canal   438--438
                      Anonymous   An Attack on the Wire-Wound Gun  . . . . 438--438
                      Anonymous   The Preparation of Surfaces for Painting 438--439
                      Anonymous   Electricity and Bread  . . . . . . . . . 439--439
                      Anonymous   Science Notes  . . . . . . . . . . . . . 439--440
                      Anonymous   Electric Mail Automobiles  . . . . . . . 440--440
                  Emile Guarini   The Graphic Chronometer  . . . . . . . . 441--441
                      Anonymous   Electric Dead Reckoner Used on
                                  ``Valhalla'' in the Ocean Race . . . . . 441--442
                      Anonymous   History and Present Status of the Panama
                                  Canal  . . . . . . . . . . . . . . . . . 442--443
                      Anonymous   The Grubb Gun-Sight  . . . . . . . . . . 444--444
                      Anonymous   The Algiers--Toulon Motor-Boat Race  . . 446--447
               Nelson R. Briggs   Do Animals Reason? . . . . . . . . . . . 447--447
                  Edgar Russell   An Unusual Incident of Cable Work  . . . 447--447
                      Anonymous   Patent Department  . . . . . . . . . . . 448--448
                      Anonymous   Improved Dumping Car . . . . . . . . . . 448--448
                      Anonymous   An Improved Ditching Machine . . . . . . 448--448
                      Anonymous   A Puncture-Proof Tire  . . . . . . . . . 448--448
                      Anonymous   Business and Personal Wants  . . . . . . 450--450
        
                      Anonymous   Recently Patented Inventions . . . . . . 469--469
                      Anonymous   Notes and Queries  . . . . . . . . . . . 470--470
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 470--471
                      Anonymous   Index of Inventions  . . . . . . . . . . 471--475
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 475--475
                      Anonymous   An Unparalleled Victory  . . . . . . . . 458--458
                      Anonymous   Electricity as a Stimulant to Plant
                                  Growth . . . . . . . . . . . . . . . . . 458--458
                      Anonymous   Something New about the Vocal Mechanism  458--459
                      Anonymous   The Railway Around Lake Baikal . . . . . 459--459
                      Anonymous   The Current Supplement . . . . . . . . . 459--459
                      Anonymous   A New Star . . . . . . . . . . . . . . . 459--459
                      Anonymous   Meteorological Summary, New York, N.Y.,
                                  May, 1905  . . . . . . . . . . . . . . . 459--459
                      Anonymous   Science Notes  . . . . . . . . . . . . . 459--459
                      Anonymous   A New Apparatus for Coaling Steamers . . 460--460
               William F. Rigge   Where Was the Camera Set up? . . . . . . 461--461
               Frank C. Perkins   An Electrical Aerial Ferry . . . . . . . 461--462
                      Anonymous   The Finish of the Ocean Yacht Race . . . 462--462
                      Anonymous   The Battle of the Sea of Japan . . . . . 463--463
                      Anonymous   Admiral Togo and His Flagship  . . . . . 464--465
                      Anonymous   Modern Scientific Dairy Methods  . . . . 465--466
              Herbert T. Walker   An Old High-Speed Locomotive . . . . . . 467--468
                      Anonymous   A Novel Milk Pail  . . . . . . . . . . . 468--468
                George J. Jones   An Iceless Electric Refrigerator on a
                                  Small Scale  . . . . . . . . . . . . . . 468--468
                      Anonymous   Business and Personal Wants  . . . . . . 469--469
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 482--482
                      Anonymous   Recently Patented Inventions . . . . . . 489--489
                      Anonymous   Notes and Queries  . . . . . . . . . . . 490--491
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 491--491
                      Anonymous   Index of Inventions  . . . . . . . . . . 491--495
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 495--495
                      Anonymous   The Effect of the War on Naval
                                  Construction . . . . . . . . . . . . . . 478--478
                      Anonymous   Fast Long-Distance Trains  . . . . . . . 478--478
                      Anonymous   Ventilation of the Subway  . . . . . . . 478--478
                      Anonymous   The Submarine Boat Disasters . . . . . . 478--479
                 Alton D. Adams   Selection of Transmission Voltages . . . 479--479
                      Anonymous   New Method of Milk Analysis by
                                  Centrifugal Apparatus  . . . . . . . . . 479--479
                      Anonymous   An Explanation of Ice Caves  . . . . . . 479--479
                      Anonymous   The Current Supplement . . . . . . . . . 479--479
                      Anonymous   Loss of Heat in Steam  . . . . . . . . . 479--479
                      Anonymous   A Vagary of the Russian Press Censor . . 479--479
                      Anonymous   The Alvares Aeroplane Flying Machine . . 480--480
                     Enos Brown   The Creation of Life by Artificial Means 480--480
                      Anonymous   The New Submarines for the British Navy  481--481
              Alfred Gradenwitz   On a Process of Measuring Nervous
                                  Susceptibility . . . . . . . . . . . . . 481--482
                      Anonymous   Mines and Entanglements in the
                                  Russo-Japanese War . . . . . . . . . . . 482--482
                      Anonymous   A Power Brake and Whistle for
                                  Automobiles  . . . . . . . . . . . . . . 483--483
                   C. H. Claudy   A Model Photographic Laboratory  . . . . 483--485
                 G. A. Thompson   Some Unusual Discoveries of Variable
                                  Stars at Harvard Observatory . . . . . . 485--486
              Alfred Gradenwitz   The Capillary Motor  . . . . . . . . . . 486--486
                      Anonymous   A Novel Reflecting Lantern . . . . . . . 487--487
                      Anonymous   A 750-Ton Metal Mixer  . . . . . . . . . 488--488
                      Anonymous   A Beehive Incubator  . . . . . . . . . . 488--488
                      Anonymous   Business and Personal Wants  . . . . . . 489--489
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 502--503
                      Anonymous   Recently Patented Inventions . . . . . . 507--507
                      Anonymous   Notes and Queries  . . . . . . . . . . . 507--507
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 509--509
                      Anonymous   Index of Inventions  . . . . . . . . . . 509--512
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 513--514
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 515--515
                      Anonymous   Increasing the New York Water Supply . . 498--498
                      Anonymous   The Warships of the Future . . . . . . . 498--498
                      Anonymous   Eye-Strain and How It Can be Relieved    498--499
                      Anonymous   Electric Waves and Liquids . . . . . . . 499--499
                C. J. Blanchard   Reclamation Work in Southern California  499--499
                      Anonymous   Engineering Notes  . . . . . . . . . . . 499--499
                      Anonymous   The Development of a Mollusk . . . . . . 500--500
             Charles B. Hayward   The Gillespie Aeroplane  . . . . . . . . 501--501
                   C. H. Claudy   The United States Naval Observatory
                                  Eclipse Expedition . . . . . . . . . . . 503--504
                      Anonymous   New Type of Electric Truck . . . . . . . 505--506
                      Anonymous   Business and Personal Wants  . . . . . . 507--507
                      Anonymous   The Production of Automobiles on a Lapge
                                  Scale  . . . . . . . . . . . . . . . . . 508--509
        
                      Anonymous   Recently Patented Inventions . . . . . . 47--47
                      Anonymous   Notes and Queries  . . . . . . . . . . . 47--47
                      Anonymous   Index of Inventions  . . . . . . . . . . 47--51
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 51--51
                      Anonymous   Schedule Versus Safety . . . . . . . . . 38--38
                      Anonymous   The American Exhibit of Foreign
                                  Automobiles  . . . . . . . . . . . . . . 38--38
                      Anonymous   A Monumental Building  . . . . . . . . . 38--39
                George E. Walsh   The Life of a Barrel . . . . . . . . . . 39--39
                      Anonymous   Determining a Ship's Bearing by Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 39--39
                      Anonymous   Science Notes  . . . . . . . . . . . . . 39--39
                      Anonymous   The New Grand Central Station, New York  40--40
               W. Frank M'clure   A Chicken-Feeding Machine  . . . . . . . 41--41
                      Anonymous   New Cælostat and Horizontal Telescope of
                                  the Astrophysical Observatory of the
                                  Smithsonian Institution  . . . . . . . . 41--42
                      Anonymous   The Brontosaur How a Giant Prehistoric
                                  Animal Was Discovered, Transported and
                                  Restored . . . . . . . . . . . . . . . . 42--43
            Harold J. Shepstone   The Tasmanian Blue Gum --- an Ideal
                                  Timber for Harbor Building . . . . . . . 43--44
                      Anonymous   Completion of the East Boston Tunnel . . 44--46
                      Anonymous   Business and Personal Wants  . . . . . . 47--47
        
             Garrett P. Serviss   The Heavens in February  . . . . . . . . 55--55
                      Anonymous   Recently Patented Inventions . . . . . . 90--90
                      Anonymous   Notes and Queries  . . . . . . . . . . . 90--91
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 91--92
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--95
                      Anonymous   Our Assets at Panama . . . . . . . . . . 54--54
                      Anonymous   Asphalt Flooring at Subway Stations  . . 54--54
                      Anonymous   History Repeats itself . . . . . . . . . 54--54
                      Anonymous   Warfare by Telegraph . . . . . . . . . . 54--54
                      Anonymous   The Fifth Annual Automobile Show . . . . 54--54
                      Anonymous   An Electric-Acoustic Sea-Sounding
                                  Apparatus  . . . . . . . . . . . . . . . 55--55
                      Anonymous   The Current Supplement . . . . . . . . . 55--55
                      Anonymous   Science Notes  . . . . . . . . . . . . . 55--55
                      Anonymous   Some Leading Automobiles of the Present
                                  Year . . . . . . . . . . . . . . . . . . 56--56
                      Anonymous   A Typical American Four-Cylinder
                                  Gasoline Touring Car Motor . . . . . . . 57--57
                      Anonymous   Typical American Touring Cars for 1905   58--59
                      Anonymous   Foreign Automobiles at the Importers'
                                  Salon  . . . . . . . . . . . . . . . . . 60--61
                      Anonymous   Twenty-Passenger Auto-Stage for
                                  Long-Distance Routes . . . . . . . . . . 62--62
                      Anonymous   A Gasoline Police Patrol Wagon . . . . . 62--62
                      Anonymous   The Brush Motor Omnibus  . . . . . . . . 62--62
                      Anonymous   The New Oldsmobile Delivery Wagon  . . . 62--63
                      Anonymous   A Gasoline Truck Driven by all Four
                                  Wheels . . . . . . . . . . . . . . . . . 63--63
                      Anonymous   The Northern Touring Car . . . . . . . . 64--64
                      Anonymous   The New Grout Steam Automobile . . . . . 64--64
                      Anonymous   A New Spring Wheel for Automobiles . . . 64--64
                      Anonymous   A Four-Cylinder Motor Bicycle  . . . . . 65--65
                      Anonymous   A Novel Side-Chair Attachment for Motor
                                  Bicycles . . . . . . . . . . . . . . . . 65--65
                      Anonymous   The National Touring Car . . . . . . . . 66--67
                      Anonymous   A New American Automobile  . . . . . . . 68--68
                      Anonymous   A Powerful Light-Weight Gasoline Motor   70--70
                      Anonymous   Ignition Accumulators  . . . . . . . . . 70--70
                      Anonymous   Solid and Non-Skid Tires for Automobiles 72--72
                      Anonymous   Timing Automobile Races  . . . . . . . . 72--72
              Alfred Gradenwitz   The Stolze Gas Turbine . . . . . . . . . 74--74
              Edward H. L. Page   The Old Portage Railroad in Pennsylvania 74--76
               Arthur Inkersley   A Pavement of Whales' Bones  . . . . . . 76--76
                      Anonymous   The Parallax Stereogram  . . . . . . . . 76--76
             Charles B. Hayward   Bananas --- Their Culture and
                                  Transportation . . . . . . . . . . . . . 78--78
                      Anonymous   An American Motor Sleigh . . . . . . . . 84--84
                      Anonymous   Business and Personal Wants  . . . . . . 88--88
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 103--103
                      Anonymous   Recently Patented Inventions . . . . . . 109--110
                      Anonymous   Notes and Queries  . . . . . . . . . . . 110--110
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 110--110
                      Anonymous   Index of Inventions  . . . . . . . . . . 110--115
                      Anonymous   Gas-Driven Locomotives and Ships?  . . . 98--98
                      Anonymous   Can the Port Arthur Fleet be Raised? . . 98--98
                      Anonymous   World's Automobile Records in Florida    98--98
                      Anonymous   Our Exports  . . . . . . . . . . . . . . 98--99
             Charles H. Haswell   Foaming of the Water in a Steam Boiler
                                  and Its Effect . . . . . . . . . . . . . 99--99
                      Anonymous   Passage of the Trade-Mark Law by the
                                  House of Representatives . . . . . . . . 99--99
                      Anonymous   Eclipse Expedition from Kirkwood
                                  Observatory, Bloomington, Ind  . . . . . 99--99
                      Anonymous   Science Notes  . . . . . . . . . . . . . 99--99
              Alfred Gradenwitz   A Novel Type of Hay Stacker  . . . . . . 100--100
           A. Frederick Collins   A Seedless, Coreless, Bloomless Apple    100--100
               Day Allen Willey   The New Concrete Chapel of the United
                                  States Naval Academy, Annapolis  . . . . 101--102
                      Anonymous   The Turret and Barbette of a Battleship  103--103
                      Anonymous   Opening of the Niagara Canadian Power
                                  Company's Plant. --- I . . . . . . . . . 104--105
                      Anonymous   The Annual Automobile Race Meet at
                                  Ormond, Florida  . . . . . . . . . . . . 105--106
                George J. Jones   New System of Egg Transportation . . . . 106--106
                      Anonymous   Hopkins ``Band Electro-Chronograph,''
                                  Carable of Dividing a Second of Time
                                  Into One Hundred Thousand and One
                                  Million Parts  . . . . . . . . . . . . . 107--107
                      Anonymous   An Improved Fire Escape  . . . . . . . . 108--108
                      Anonymous   Vehicle Attachment for Keeping Record of
                                  Driver's Work  . . . . . . . . . . . . . 108--108
                      Anonymous   An Automatic Door Alarm  . . . . . . . . 108--108
                      Anonymous   Oil Can with means for Controlling
                                  Delivery of Oil  . . . . . . . . . . . . 108--108
                      Anonymous   Business and Personal Wants  . . . . . . 110--110
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 122--122
                      Anonymous   Recently Patented Inventions . . . . . . 129--129
                      Anonymous   Notes and Queries  . . . . . . . . . . . 130--130
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 130--130
                      Anonymous   Index of Inventions  . . . . . . . . . . 130--135
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 135--135
                      Anonymous   Closing of the Croton Dam  . . . . . . . 118--118
                      Anonymous   Value of the Towing Tank . . . . . . . . 118--118
                      Anonymous   Growing Interest in Forest Preservation  118--118
                      Anonymous   Strength of Preserved Timber . . . . . . 118--118
                      Anonymous   A Design for Turbine Cruisers  . . . . . 118--118
                      Anonymous   Opening of Dinosaur Hall of the American
                                  Museum of Natural History  . . . . . . . 118--119
                      Anonymous   Twenty Thousand Dollars for New
                                  International Race . . . . . . . . . . . 119--119
                      Anonymous   Some New Cooper Hewitt Inventions  . . . 119--119
                      Anonymous   Prizes for Essays on Cement  . . . . . . 119--119
                      Anonymous   A Compact and Economical Kerosene Engine 120--120
                   H. C. Dinger   Scout Cruisers for the United States
                                  Navy . . . . . . . . . . . . . . . . . . 120--121
                      Anonymous   Fog Dispersion by Electricity  . . . . . 121--122
           A. Frederick Collins   Trees as Antennæ in Wireless Telegraphy   123--123
                      Anonymous   The Ski in Peace and War . . . . . . . . 124--126
                      Anonymous   Ontario Power Company's Power Plant at
                                  Niagara Falls --- II . . . . . . . . . . 126--126
                      Anonymous   New Automobile Records at the Florida
                                  Races  . . . . . . . . . . . . . . . . . 127--127
                      Anonymous   Patent Department  . . . . . . . . . . . 128--128
                      Anonymous   An Improved Type of Water-Tube Boiler    128--128
                      Anonymous   Oddities in Inventions . . . . . . . . . 128--128
                      Anonymous   Business and Personal Wants  . . . . . . 130--130
                      Anonymous   An Improved Incandescent Gas Lamp  . . . 131--131
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 143--143
                      Anonymous   Recently Patented Inventions . . . . . . 149--150
                      Anonymous   Notes and Queries  . . . . . . . . . . . 150--151
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 151--151
                      Anonymous   Index of Inventions  . . . . . . . . . . 152--155
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 155--155
                      Anonymous   The Old and the New  . . . . . . . . . . 138--138
                      Anonymous   Wind Pressure on Bridges and Buildings   138--138
                      Anonymous   The Proposed Railroad to Key West  . . . 139--139
                     G. Meynell   Gas Engines for Factory Power  . . . . . 139--139
                      Anonymous   The Current Supplement . . . . . . . . . 139--139
                      Anonymous   A Patent Dedicated to the Public . . . . 139--139
                      Anonymous   Transformer Outfits for Thawing Pipes    140--140
                      Anonymous   A New Type of Lifeboat . . . . . . . . . 140--140
                  Emile Guarini   Electrical Radiators . . . . . . . . . . 141--141
                      Anonymous   An Ambulance Automobile  . . . . . . . . 141--142
                      Anonymous   Electrical Equipment of the New York
                                  Central Railroad . . . . . . . . . . . . 142--142
              Walter L. Beasley   The United States Naval Training School
                                  at Newport . . . . . . . . . . . . . . . 144--144
                      Anonymous   The Origin and Form of Hoarfrost . . . . 145--146
                      Anonymous   What We Know about Sun Spots . . . . . . 147--147
                      Anonymous   Another Form of Looping the Loop . . . . 147--147
                      Anonymous   Patent Department  . . . . . . . . . . . 148--148
                      Anonymous   A Novel Magazine Tack Hammer . . . . . . 148--148
                      Anonymous   An Improved Amalgamator  . . . . . . . . 148--148
                      Anonymous   A New Type of Grate  . . . . . . . . . . 148--148
                      Anonymous   Business and Personal Wants  . . . . . . 150--150
        
                      Anonymous   Recently Patented Inventions . . . . . . 169--169
                      Anonymous   Notes and Queries  . . . . . . . . . . . 169--169
                      Anonymous   Index of Inventions  . . . . . . . . . . 169--175
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 175--175
                      Anonymous   Turbines for Tramp Steamers  . . . . . . 158--158
                      Anonymous   Three Months of Railroad Slaughter . . . 158--158
                      Anonymous   Future Water Supply of New York City . . 158--159
                     Enos Brown   The Heaton Airship Failure . . . . . . . 159--159
                      Anonymous   The Moore--Heskett Direct Process for
                                  the Manufacture of Wrought Iron and
                                  Steel  . . . . . . . . . . . . . . . . . 159--159
                      Anonymous   The Current Supplement . . . . . . . . . 159--159
                      Anonymous   Explosion of a Submarine . . . . . . . . 159--159
                      Anonymous   The Charcot Antarctic Expedition . . . . 159--159
                      Anonymous   How to Make a Mercury Thermometer  . . . 160--160
                  Emile Guarini   A Tachometric Watch for Bicycles and
                                  Other Vehicles . . . . . . . . . . . . . 160--160
               Arthur Inkersley   A Blast of Dynamite and How It Was
                                  Photographed . . . . . . . . . . . . . . 161--161
                      Anonymous   New 25-Knot British Scouts . . . . . . . 161--162
                    Lord Kelvin   My Scientific Education  . . . . . . . . 162--162
              N. Monroe Hopkins   An Easily-Constructed Rotating Anode
                                  Equipment for Rapid Electro-Analysis . . 163--163
                      Anonymous   A Huge Electro-Magnet for Optical and
                                  Surgical Work  . . . . . . . . . . . . . 163--163
               Day Allen Willey   Rocky Mountain Avalanches  . . . . . . . 164--164
            Charles A. Brassler   Antique Watches of the Famous Marfels
                                  Collection . . . . . . . . . . . . . . . 165--166
                J. Carter Beard   The Queerest of Creatures --- II . . . . 167--167
                      Anonymous   An Improved Hay Rack . . . . . . . . . . 168--168
                      Anonymous   A Simple Car Fender  . . . . . . . . . . 168--168
                      Anonymous   A New Type of Electric Coupé  . . . . . . 168--168
                      Anonymous   A Novel Gravity Railway System . . . . . 168--168
                      Anonymous   Business and Personal Wants  . . . . . . 169--169
        
           Henry Norris Russell   The Heavens in March . . . . . . . . . . 179--179
                      Anonymous   Correspondence . . . . . . . . . . . . . 183--183
                      Anonymous   Recently Patented Inventions . . . . . . 189--189
                      Anonymous   Notes and Queries  . . . . . . . . . . . 190--190
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 190--190
                      Anonymous   Index of Inventions  . . . . . . . . . . 190--195
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 195--195
                      Anonymous   Steel Cars and Safe Travel . . . . . . . 178--178
                      Anonymous   The Military Method of Educating Boys    178--178
                      Anonymous   The Free-Alcohol Question  . . . . . . . 178--178
                      Anonymous   New Trade-Mark Law of April 1, 1905  . . 178--179
                   B. L. Putnam   Grandfather's Barometer  . . . . . . . . 179--179
                      Anonymous   Science Notes  . . . . . . . . . . . . . 179--179
                   H. E. Wright   The Largest Ferryboat in the World . . . 180--180
                      Anonymous   The Capitaine Marine Producer-Gas Engine 180--180
                      Anonymous   A New Meteorite Recently Placed in the
                                  American Museum of Natural History . . . 181--181
               Day Allen Willey   Modern Methods of Gold Prospecting and
                                  Mining . . . . . . . . . . . . . . . . . 181--182
               R. L. Gignilliat   Education of Boys by the Military Method 184--184
                      Anonymous   A Novel Motor Ice Boat . . . . . . . . . 186--186
                      Anonymous   The Heaton Airship . . . . . . . . . . . 186--186
                      Anonymous   Motor Boat Engines at the Sportsmen's
                                  Show . . . . . . . . . . . . . . . . . . 186--187
           Sanderson Christison   Curious Fishes of the Deep Sea . . . . . 188--188
                      Anonymous   Business and Personal Wants  . . . . . . 190--190
        
           Henry Norris Russell   The Heavens in July  . . . . . . . . . . 5--5
                      Anonymous   Correspondence . . . . . . . . . . . . . 8--9
                      Anonymous   Recently Patented Inventions . . . . . . 14--14
                      Anonymous   Notes and Queries  . . . . . . . . . . . 14--14
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 15--16
                      Anonymous   Index of Inventions  . . . . . . . . . . 16--19
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 19--19
                      Anonymous   American Homes and Gardens --- The New
                                  Magazine . . . . . . . . . . . . . . . . 4--4
                      Anonymous   Atmospheric Conditions in the Subway . . 4--4
                      Anonymous   A City of Towers . . . . . . . . . . . . 4--4
                      Anonymous   Are Fast Trains Dangerous? . . . . . . . 4--5
                      Anonymous   Engineering Notes  . . . . . . . . . . . 5--5
              Randolph I. Geare   The Englehardt Unsinkable Lifeboat . . . 6--6
                  Emile Guarini   An Apparatus for Indicating the
                                  Vibrations of Sound Waves  . . . . . . . 6--7
                      Anonymous   The Bird as a Model for the Aeroplane    7--8
                      Anonymous   Exploring for Fossils  . . . . . . . . . 9--10
                      Anonymous   The Wachusett Reservoir for Boston Water
                                  Supply . . . . . . . . . . . . . . . . . 11--12
               Frank C. Perkins   Photographing the New York Subway  . . . 12--12
                      Anonymous   An Efficient Portable Fire Escape  . . . 13--13
                      Anonymous   A Novel Tobacco Pipe . . . . . . . . . . 13--13
                      Anonymous   Improved Folding Coop  . . . . . . . . . 13--13
                      Anonymous   An Improved Carbureter . . . . . . . . . 13--13
                      Anonymous   Business and Personal Wants  . . . . . . 14--14
        
           Henry Norris Russell   The Heavens in September . . . . . . . . 175--175
                      Anonymous   Correspondence . . . . . . . . . . . . . 176--176
                      Anonymous   Recently Patented Inventions . . . . . . 185--185
                      Anonymous   Notes and Queries  . . . . . . . . . . . 185--186
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 186--186
                      Anonymous   Index of Inventions  . . . . . . . . . . 186--191
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 191--191
                      Anonymous   Maneuvering Power of Turbine Steamships  174--174
                      Anonymous   Steel Cars and Safe Travel on Steam
                                  Railroads  . . . . . . . . . . . . . . . 174--174
                      Anonymous   Railroad Housekeeping Economies  . . . . 174--175
                      Anonymous   Lumber Grades  . . . . . . . . . . . . . 175--175
                      Anonymous   Science Notes  . . . . . . . . . . . . . 175--175
                      Anonymous   The Current Supplement . . . . . . . . . 175--175
       Charles Monroe Mansfield   Natural-Size Photography . . . . . . . . 176--176
                      Anonymous   A Giant Dredge . . . . . . . . . . . . . 176--176
                   H. A. Crafts   Time Test of a Great Irrigating System   177--177
                 Alton D. Adams   Recession of Niagara Fails . . . . . . . 178--178
                       C. Field   Grenades and Grenadiers  . . . . . . . . 179--180
                      Anonymous   Knabenshue's Airship and its Exploits    181--181
                      Anonymous   Motor Sprinkler at Cologne . . . . . . . 182--182
                  Emile Guarini   Sterilization of Water . . . . . . . . . 182--184
                      Anonymous   An Improved Ash Sifter . . . . . . . . . 184--184
                      Anonymous   A Pneumatic Eraser . . . . . . . . . . . 184--184
                      Anonymous   A New Toy  . . . . . . . . . . . . . . . 184--184
                      Anonymous   Business and Personal Wants  . . . . . . 185--185
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 198--198
                      Anonymous   Recently Patented Inventions . . . . . . 205--206
                      Anonymous   Notes and Queries  . . . . . . . . . . . 206--206
                      Anonymous   Index of Inventions  . . . . . . . . . . 207--211
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 211--211
                      Anonymous   The Budapest and Manhattan Suspension
                                  Bridges  . . . . . . . . . . . . . . . . 194--194
                      Anonymous   Naval Losses of the Russo-Japanese War   194--194
                      Anonymous   Peace in the Far East  . . . . . . . . . 194--195
              Randolph I. Geare   Pearls and Pearl Shells  . . . . . . . . 195--195
                      Anonymous   Trial Trip of the Barton Airship . . . . 196--197
                      Anonymous   The Elizabeth Bridge at Budapest . . . . 197--198
                    L. Ramakers   The Laboratory for the Testing of
                                  Materials of the Charlottenburg
                                  Polytechnic School of Berlin . . . . . . 199--199
                    I. B. Owens   The Oyster Industry  . . . . . . . . . . 200--201
                      Anonymous   A Fireless Cooker  . . . . . . . . . . . 204--204
           A. Frederick Collins   Artificial Production of Real Diamonds   204--205
                      Anonymous   Business and Personal Wants  . . . . . . 206--206
                      Anonymous   New Books, Etc.  . . . . . . . . . . . . 207--207
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 219--219
                      Anonymous   Recently Patented Inventions . . . . . . 225--225
                      Anonymous   Notes and Queries  . . . . . . . . . . . 225--226
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 226--227
                      Anonymous   Index of Inventions  . . . . . . . . . . 227--231
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 231--231
                      Anonymous   Planning the Panama Canal  . . . . . . . 214--214
                      Anonymous   Filtration for Croton Water  . . . . . . 214--214
                      Anonymous   Our Railroad System  . . . . . . . . . . 214--214
                      Anonymous   The Progress of Wireless Telegraphy in
                                  Great Britain  . . . . . . . . . . . . . 214--215
                      Anonymous   The Buoyancy of Submarine Boats  . . . . 215--215
                      Anonymous   Ramsay, Radium, and Burke  . . . . . . . 215--215
                      Anonymous   Lost Arts  . . . . . . . . . . . . . . . 215--215
                      Anonymous   The Current Supplement . . . . . . . . . 215--215
                      Anonymous   Science Notes  . . . . . . . . . . . . . 215--215
             Herbert I. Bennett   The Truckee--Carson Irrigation Project   216--218
                      Anonymous   Observation of Solar Eclipse at Sea  . . 218--219
                     Enos Brown   Luther Burbank and Plant Breeding  . . . 220--221
                      Anonymous   The Grand Central Station Terminal
                                  Improvements . . . . . . . . . . . . . . 222--223
                   E. O. Sawyer   An Aerial Rowboat  . . . . . . . . . . . 223--223
               Arthur Inkersley   A Respiratory Apparatus for Firemen  . . 224--224
                      Anonymous   The Most Powerful Express Locomotive in
                                  Great Britain  . . . . . . . . . . . . . 224--224
                      Anonymous   Business and Personal Wants  . . . . . . 225--225
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 239--239
                      Anonymous   Recently Patented Inventions . . . . . . 246--246
                      Anonymous   Notes and Queries  . . . . . . . . . . . 246--247
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 247--247
                      Anonymous   Index of Inventions  . . . . . . . . . . 247--251
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 251--251
                      Anonymous   The Bicycle and the Automobile . . . . . 234--234
                      Anonymous   Loss of the Flagship ``Mikasa''  . . . . 234--234
                      Anonymous   Risk of Derailment on Elevated Railroad
                                  Curves . . . . . . . . . . . . . . . . . 234--234
                      Anonymous   An Important Innovation in Telegraphy    234--235
              George M. S. Tait   The Effect of Hydrogen on Gas Engine
                                  Compression  . . . . . . . . . . . . . . 235--235
                      Anonymous   The Phonocard  . . . . . . . . . . . . . 235--235
                      Anonymous   The Current Supplement . . . . . . . . . 235--235
                      Anonymous   Producing High Vacua . . . . . . . . . . 235--235
                      Anonymous   The Elevated Railroad Wreck in New York  236--236
                      Anonymous   Our Naval Guns in the Civil War and
                                  To-Day . . . . . . . . . . . . . . . . . 237--237
                      Anonymous   Electrical Control of Bulkhead Doors on
                                  Warships . . . . . . . . . . . . . . . . 237--238
                      Anonymous   The First Producer-Gas Boat  . . . . . . 238--239
                      Anonymous   A Government-Built Battleship  . . . . . 239--239
               Day Allen Willey   Hydraulic Suction Dredge on the
                                  Mississippi  . . . . . . . . . . . . . . 240--240
               M. Benedict Maye   The New Solar Observatory at Mount
                                  Wilson . . . . . . . . . . . . . . . . . 240--242
                      Anonymous   Ancient Reservoirs at Carthage . . . . . 242--243
       Charles Frederick Holder   An Interesting Shark . . . . . . . . . . 243--243
                      Anonymous   Patent Department  . . . . . . . . . . . 244--244
                      Anonymous   A Novel Carriage-Washing Apparatus . . . 244--244
                      Anonymous   New Warp-Beam Tension Devices for Looms  244--245
                      Anonymous   New Rotary Valve for Steam Engines . . . 245--245
                      Anonymous   A Striking Illusion Apparatus  . . . . . 245--245
                      Anonymous   Sand Wheel Toy . . . . . . . . . . . . . 245--245
                      Anonymous   A New Wind Instrument  . . . . . . . . . 245--245
                      Anonymous   Business and Personal Wants  . . . . . . 246--246
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 259--259
                      Anonymous   Recently Patented Inventions . . . . . . 266--266
                      Anonymous   Notes and Queries  . . . . . . . . . . . 266--267
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 267--268
                      Anonymous   Index of Inventions  . . . . . . . . . . 268--271
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 271--271
                      Anonymous   Building the Erie Barge Canal  . . . . . 254--254
                      Anonymous   Another North River Tunnel . . . . . . . 254--254
                      Anonymous   Magnetic Survey of the North Pacific
                                  Ocean  . . . . . . . . . . . . . . . . . 254--254
                      Anonymous   Chains Versus Cables in the Manhattan
                                  Bridge . . . . . . . . . . . . . . . . . 254--254
                      Anonymous   Trade Marks on Copyrighted Works . . . . 254--255
                      Anonymous   Vanderbilt Cup Elimination Trials  . . . 255--255
                   G. H. Darwin   Is Radium the Cause of the Sun's Heat
                                  and Light? . . . . . . . . . . . . . . . 255--255
                      Anonymous   Patents for Exported Articles ---
                                  Practical Advice to Manufacturers  . . . 255--255
                      Anonymous   The Current Supplement . . . . . . . . . 255--255
                      Anonymous   An Early Typewriter  . . . . . . . . . . 256--256
                      Anonymous   Pie-Making by Machinery  . . . . . . . . 256--256
                      Anonymous   High-Speed Steam Yacht and Power-Boat
                                  Races  . . . . . . . . . . . . . . . . . 257--258
                      Anonymous   180-Ton Shear Legs for the British Naval
                                  Dockyard . . . . . . . . . . . . . . . . 258--258
                      Anonymous   Heliotropism Induced by Radium . . . . . 259--259
                   H. A. Crafts   Evolution of the California Clam-Shell
                                  Dredger  . . . . . . . . . . . . . . . . 260--260
                      Anonymous   The Making of a Felt Hat . . . . . . . . 260--262
                      Anonymous   Combined Rack and Adhesion Locomotive
                                  for South Africa . . . . . . . . . . . . 262--262
         Charles Edward Tingley   Littlefield and the Artificial Creation
                                  of Life  . . . . . . . . . . . . . . . . 263--263
                    L. Ramakers   A New Method of Identifying Criminals    264--264
              Alfred Gradenwitz   A New Projection System for Lectures . . 265--265
                  Emile Guarini   A New Apparatus for Automatically Making
                                  and Breaking an Electric Circuit . . . . 265--265
                      Anonymous   A Novel Device for Preventing
                                  Automobiles from Skidding  . . . . . . . 265--265
                      Anonymous   Business and Personal Wants  . . . . . . 266--266
        
           Henry Norris Russell   The Heavens in October . . . . . . . . . 275--275
                      Anonymous   Correspondence . . . . . . . . . . . . . 279--279
                      Anonymous   Recently Patented Inventions . . . . . . 285--285
                      Anonymous   Notes and Queries  . . . . . . . . . . . 286--287
                      Anonymous   Index of Inventions  . . . . . . . . . . 287--291
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 291--291
                      Anonymous   Two Engineers in the Cab . . . . . . . . 274--274
                      Anonymous   Comparison of Turbines and Reciprocating
                                  Marine Engines in Service  . . . . . . . 274--274
                      Anonymous   Panama Canal in Four Years . . . . . . . 274--274
                      Anonymous   Recent Advances in Selective Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 274--275
                      Anonymous   Science Notes  . . . . . . . . . . . . . 275--275
                      Anonymous   Something about Alligators . . . . . . . 276--276
              Alfred Gradenwitz   A Novel Process of Reanimation . . . . . 276--277
               W. Frank M'clure   Brick Making . . . . . . . . . . . . . . 277--278
                      Anonymous   An Apparatus for Observing and
                                  Automatically Registering Thunderstorms  278--278
                      Anonymous   The Vanderbilt Cup Elimination Race  . . 280--282
                  Daniel Bellet   Gliding Boats --- The Navigation of the
                                  Future . . . . . . . . . . . . . . . . . 283--284
                      Anonymous   An Automatic Switch for Making and
                                  Breaking the Primary Circuit of
                                  Transformers . . . . . . . . . . . . . . 284--284
                      Anonymous   Circuit-Breaker for Explosive Engines    284--284
                      Anonymous   Business and Personal Wants  . . . . . . 285--285
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 298--298
                      Anonymous   Recently Patented Inventions . . . . . . 305--306
                      Anonymous   Notes and Queries  . . . . . . . . . . . 306--307
                      Anonymous   Index of Inventions  . . . . . . . . . . 307--311
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 311--311
                      Anonymous   Filtration and the Future Water Supply
                                  for New York City  . . . . . . . . . . . 294--294
                      Anonymous   Present Railroad Track Inefficient . . . 294--294
                      Anonymous   The Need for Federal Quarantine Control  294--294
                 John R. Spears   Evolution of the Tow Barge . . . . . . . 295--295
                      Anonymous   Science Notes  . . . . . . . . . . . . . 295--295
                Herbert T. Wade   How Clinical Thermometers are
                                  Standardized and Tested  . . . . . . . . 296--296
               W. Frank M'clure   The ``Elbert H. Gary'' --- The Greatest
                                  of Ore-Carrying Steamers . . . . . . . . 297--298
               Howard B. Dailey   Stratification in Vacuo: Its Production
                                  with the Influence Machine . . . . . . . 299--299
                      Anonymous   Aftermath of Port Arthur . . . . . . . . 300--301
                      Anonymous   The Santos-Dumont ``No. 14'' . . . . . . 302--302
                      Anonymous   A Hundred Ways of Breaking Your Neck . . 302--304
                    W. P. White   Air Pumps for Experimental Purposes  . . 304--304
                      Anonymous   Valve for Oil Wells  . . . . . . . . . . 304--304
                      Anonymous   Business and Personal Wants  . . . . . . 306--306
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 318--319
                      Anonymous   Recently Patented Inventions . . . . . . 325--325
                      Anonymous   Notes and Queries  . . . . . . . . . . . 325--326
                      Anonymous   Index of Inventions  . . . . . . . . . . 326--331
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 331--331
                      Anonymous   The Single-Phase System in America . . . 314--314
                      Anonymous   Our Two Great Canal Projects . . . . . . 314--314
                      Anonymous   Vanderbilt Cup Race  . . . . . . . . . . 314--314
              George S. Hodgins   A Temperance Match . . . . . . . . . . . 315--315
           J. E. Wallace Wallin   The Size Illusion of the Depressed
                                  Letter P . . . . . . . . . . . . . . . . 315--315
                      Anonymous   Science Notes  . . . . . . . . . . . . . 315--315
                      Anonymous   The Dufaux Flying Machine  . . . . . . . 316--317
              Alfred Gradenwitz   Interesting Repair Work on a German
                                  Steamship  . . . . . . . . . . . . . . . 317--318
                      Anonymous   A Novel Process for Disengaging Forces
                                  by Means of Sound  . . . . . . . . . . . 319--319
                      Anonymous   Electric Power Developments at Niagara
                                  Falls --- II . . . . . . . . . . . . . . 320--321
                      Anonymous   A New Method of Constructing Sanitary
                                  Sewers . . . . . . . . . . . . . . . . . 322--322
                      Anonymous   Giants of the Insect World . . . . . . . 323--324
                      Anonymous   A Useful Chain Grip for Automobiles  . . 324--324
              Alfred Gradenwitz   A Binocular Head Lens  . . . . . . . . . 324--324
                      Anonymous   Anchor and Fastener for Lightning
                                  Conductors . . . . . . . . . . . . . . . 324--324
                      Anonymous   Business and Personal Wants  . . . . . . 325--325
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 339--339
                      Anonymous   Recently Patented Inventions . . . . . . 345--345
                      Anonymous   Notes and Queries  . . . . . . . . . . . 346--346
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 347--348
                      Anonymous   Index of Inventions  . . . . . . . . . . 348--351
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 351--351
                      Anonymous   A Lesson from the Lewis and Clark Fair   334--334
                      Anonymous   Long-Span Bridges of the World . . . . . 334--334
                      Anonymous   Life on Other Worlds . . . . . . . . . . 334--335
                      Anonymous   The First Toolmakers and Their Methods   335--335
                      Anonymous   Literature for Convalescents . . . . . . 335--335
                      Anonymous   Twenty-Five Electric Locomotives for
                                  N.Y., N.H., and H.R.R. Co  . . . . . . . 335--335
                      Anonymous   Science Notes  . . . . . . . . . . . . . 335--335
                      Anonymous   The Current Supplement . . . . . . . . . 335--335
               Day Allen Willey   ``The Time of Day''  . . . . . . . . . . 336--337
                      Anonymous   The St. Lawrence River Bridge, Quebec    337--338
                Edgar L. Larkin   Measuring the Distance of a Star . . . . 338--339
                      Anonymous   The Second Annual Automobile Race for
                                  the Vanderbilt Cup . . . . . . . . . . . 339--341
                      Anonymous   Archæological Discoveries at Antinoë . . . 342--342
                J. Carter Beard   Striped Steeds . . . . . . . . . . . . . 342--343
                      Anonymous   Patent Department  . . . . . . . . . . . 344--344
                      Anonymous   A New Self-Cleaning Spark Plug . . . . . 344--344
                      Anonymous   Hanger for Cable Heads . . . . . . . . . 344--344
                      Anonymous   Oddities in Inventions . . . . . . . . . 344--344
                      Anonymous   Business and Personal Wants  . . . . . . 345--345
        
           Henry Norris Russell   The Heavens in November  . . . . . . . . 355--355
                      Anonymous   Correspondence . . . . . . . . . . . . . 359--359
                      Anonymous   Recently Patented Inventions . . . . . . 366--366
                      Anonymous   Index of Inventions  . . . . . . . . . . 366--371
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 371--371
                      Anonymous   A Discredited Theory . . . . . . . . . . 354--354
                      Anonymous   One Year's Operation of the Subway . . . 354--354
                      Anonymous   Mr. Hildenbrand and the Manhattan Bridge
                                  Problem  . . . . . . . . . . . . . . . . 354--355
                      Anonymous   Tunnel Boring in Ancient Palestine . . . 355--355
                      Anonymous   Science Notes  . . . . . . . . . . . . . 355--355
                      Anonymous   Ludlow's First Successful Flight . . . . 356--356
                      Anonymous   Test of a Torpedo Shell  . . . . . . . . 357--358
                      Anonymous   The Twin-Screw Liner ``Amerika'' . . . . 360--361
                      Anonymous   Some Cities of Ancient Egypt . . . . . . 362--363
                Adele M. Fielde   Tenacity of Life in Ants . . . . . . . . 363--364
                      Anonymous   A Street-Sprinkling Curb . . . . . . . . 364--364
                      Anonymous   An Odorless Gas Stove  . . . . . . . . . 364--364
                      Anonymous   Business ana Personal Wants  . . . . . . 365--365
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 27--27
                      Anonymous   Recently Patented Inventions . . . . . . 33--34
                      Anonymous   Notes and Queries  . . . . . . . . . . . 34--35
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 35--35
                      Anonymous   Index of Inventions  . . . . . . . . . . 35--39
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 39--39
                      Anonymous   The United States and the Command of the
                                  Pacific  . . . . . . . . . . . . . . . . 22--22
                      Anonymous   The Canal from Pittsburgh to the Lakes   22--22
                      Anonymous   Safety on the Sea  . . . . . . . . . . . 22--22
                      Anonymous   New Electric Railroads . . . . . . . . . 22--22
                 Horace T. Eddy   Electric Railway Developments  . . . . . 23--23
                    W. E. Irish   Feathered Flying Machines  . . . . . . . 24--24
              Alfred Gradenwitz   The Improved Gruhn Telautograph  . . . . 25--25
                      Anonymous   Sea Strength of the Naval Powers . . . . 26--26
                      Anonymous   Ancient Chaldean Remains Found in Recent
                                  Excavations  . . . . . . . . . . . . . . 28--28
                      Anonymous   The ``Leap-Frog'' Railway  . . . . . . . 29--30
                      Anonymous   Two Pairs of Interlocked Deer Horns  . . 31--31
                  Emile Guarini   Folding Canoes and Jointed Oars  . . . . 31--31
                      Anonymous   Patent Department  . . . . . . . . . . . 32--32
                      Anonymous   Glass-Framing Attachment for Window
                                  Sashes . . . . . . . . . . . . . . . . . 32--32
                      Anonymous   A Novel Wave Motor . . . . . . . . . . . 32--32
                      Anonymous   A Convenient Pipe Coupling . . . . . . . 32--32
                      Anonymous   Business and Personal Wants  . . . . . . 34--34
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 379--379
                      Anonymous   Recently Patented Inventions . . . . . . 385--386
                      Anonymous   Notes and Queries  . . . . . . . . . . . 386--386
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 386--386
                      Anonymous   Index of Inventions  . . . . . . . . . . 386--391
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 391--391
                      Anonymous   An American Floating Exposition  . . . . 374--374
                      Anonymous   Sanitation of the Panama Canal Zone  . . 374--374
                      Anonymous   Colloids, Suspensions, and Related
                                  Phenomena  . . . . . . . . . . . . . . . 374--375
                      Anonymous   ``The \booktitleScientific American
                                  Boy''  . . . . . . . . . . . . . . . . . 375--375
                      L. Lodian   Some Curious uses of American Woods  . . 375--375
                      Anonymous   Science Notes  . . . . . . . . . . . . . 375--375
                      Anonymous   A Six-Cylinder 400-Horse-Power Racing
                                  Gasoline Power Boat  . . . . . . . . . . 376--376
                  D. R. Winslow   Microphotography . . . . . . . . . . . . 376--378
              Alfred Gradenwitz   Uniformity of Organic and Inorganic
                                  Bodies . . . . . . . . . . . . . . . . . 378--378
                      Anonymous   Automatic Apparatus for Watering Plants  379--379
                  Jacques Boyer   A Visit to a French Gas Works  . . . . . 380--382
                Orrin E. Dunlap   Curious Engineering Feat at Niagara  . . 382--382
                J. Carter Beard   Double Animals . . . . . . . . . . . . . 383--383
                      Anonymous   Patent Department  . . . . . . . . . . . 384--384
                      Anonymous   Transmitting Device  . . . . . . . . . . 384--384
                      Anonymous   Balance Adjuster for Vehicles  . . . . . 384--384
                      Anonymous   An Improved Water-Current Motor  . . . . 384--385
                      Anonymous   Business and Personal Wants  . . . . . . 386--386
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 399--399
                      Anonymous   Recently Patented Inventions . . . . . . 405--405
                      Anonymous   Notes and Queries  . . . . . . . . . . . 405--405
                      Anonymous   Index of Inventions  . . . . . . . . . . 406--411
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 411--411
                      Anonymous   The Offer to Build the Panama Canal by
                                  Contract . . . . . . . . . . . . . . . . 394--394
                      Anonymous   The Suez Canal Explosion . . . . . . . . 394--394
                      Anonymous   High Velocities and Gun Erosion  . . . . 394--394
                      Anonymous   The Electrical Value of Wind Power . . . 394--395
                      Anonymous   Another North Pole Balloon Expedition    395--395
                      Anonymous   The Prevention of ``Colds''  . . . . . . 395--395
                      Anonymous   Science Notes  . . . . . . . . . . . . . 395--395
                      Anonymous   The Visiting British Fleet . . . . . . . 396--396
           A. Frederick Collins   The Long Island Railroad Electrified . . 397--398
                   Albert Rudin   A Visit to the Volcano Poas  . . . . . . 400--400
                      Anonymous   An Automobile Economy Test . . . . . . . 401--401
                Rose O'halloran   The Maximum of the Present Solar Cycle   402--403
                      Anonymous   Captive Hippopotami  . . . . . . . . . . 403--403
                      Anonymous   An Automatic Bicycle Pump  . . . . . . . 404--404
                      Anonymous   Automatic Switch Thrower for Street
                                  Railways . . . . . . . . . . . . . . . . 404--404
                      Anonymous   Business and Personal Wants  . . . . . . 405--405
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 419--419
                      Anonymous   Recently Patented Inventions . . . . . . 425--426
                      Anonymous   Notes and Queries  . . . . . . . . . . . 426--426
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 426--426
                      Anonymous   Index of Inventions  . . . . . . . . . . 426--431
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 431--431
                      Anonymous   Turbine Troubles . . . . . . . . . . . . 414--414
                      Anonymous   Eye Sight Test for Railroad Men  . . . . 414--414
                      Anonymous   Robert Whitehead and the Torpedo . . . . 414--414
                      Anonymous   Modern Preservation of Railroad Ties . . 414--415
                Dexter W. Allis   Fun with the Phonograph  . . . . . . . . 415--415
                      Anonymous   Frederic H. Betts  . . . . . . . . . . . 415--415
                      Anonymous   Science Notes  . . . . . . . . . . . . . 415--415
              Alfred Gradenwitz   An Automatic Cartridge-Counter for
                                  Magazine Rifles  . . . . . . . . . . . . 416--416
               W. Frank M'clure   A New Type of Ore-Unloading Bucket . . . 416--416
                      Anonymous   A Storage-Battery Locomotive . . . . . . 417--418
              Alfred Gradenwitz   A New Megaphone  . . . . . . . . . . . . 418--418
                 G. L. M. Brown   The Orinoco --- a Wasted Waterway  . . . 420--422
                      Anonymous   Extraordinary Effect of Water Erosion
                                  Caused by the Assouan Dam  . . . . . . . 422--422
                Orrin E. Dunlap   The Felling of the Concrete Column at
                                  Niagara  . . . . . . . . . . . . . . . . 423--423
                      Anonymous   Patent Department  . . . . . . . . . . . 424--424
                      Anonymous   An Improved Bottle Closure . . . . . . . 424--424
                      Anonymous   Quartz Mill for Dry-Grinding of Ore  . . 424--424
                      Anonymous   Machine for Molding Plastic Materials    424--424
                      Anonymous   Business and Personal Wants  . . . . . . 426--426
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 439--439
                      Anonymous   Recently Patented Inventions . . . . . . 444--444
                      Anonymous   Index of Inventions  . . . . . . . . . . 444--449
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 451--451
                      Anonymous   ``Festina Lente''  . . . . . . . . . . . 434--434
                      Anonymous   Admiral Prince Louis of Battenberg on
                                  Speed in Warships  . . . . . . . . . . . 434--434
                      Anonymous   Electric Mining in California  . . . . . 434--435
                Edgar L. Larkin   How Much Does the Universe Weigh?  . . . 435--435
                      Anonymous   Science Notes  . . . . . . . . . . . . . 435--435
                     Edgar Mels   The Photobiography of a Chimney  . . . . 436--436
                Herbert T. Wade   United States National Bureau of
                                  Standards  . . . . . . . . . . . . . . . 437--437
                      Anonymous   Stern Frames and Brackets for the New
                                  Cunarders  . . . . . . . . . . . . . . . 438--438
                      Anonymous   A Nailless Device for Attaching
                                  Horseshoes . . . . . . . . . . . . . . . 438--438
                       C. Smith   Labor-Saving Devices Utilized in the
                                  Manufacture of Tea . . . . . . . . . . . 439--440
              W. G. Fitz-Gerald   The Earth Pyramids of the Tyrol  . . . . 440--441
                J. Carter Beard   Composite Animals  . . . . . . . . . . . 442--442
            Charles A. Brassler   The Pergamon Marbles in the Pergamon
                                  Museum of Berlin . . . . . . . . . . . . 442--444
                      Anonymous   Business and Personal Wants  . . . . . . 444--444
        
                      Anonymous   The Heavens in December  . . . . . . . . 454--455
                      Anonymous   Recently Patented Inventions . . . . . . 465--465
                      Anonymous   Notes and Queries  . . . . . . . . . . . 465--465
                      Anonymous   Index of Inventions  . . . . . . . . . . 465--471
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 471--471
                      Anonymous   Guard Rails in the Subway  . . . . . . . 454--454
                      Anonymous   An All-Day Race between Battleships  . . 454--454
                      Anonymous   The Growth of our Railroad System  . . . 454--454
                      Anonymous   The Mysteries of the Ocean Bed . . . . . 455--455
                      Anonymous   Science Notes  . . . . . . . . . . . . . 455--455
                 Albert Glyndon   The Bacterial Purification of Sewage . . 456--456
                      Anonymous   The New Gasoline Motor Car . . . . . . . 457--458
                      Anonymous   The Flax Industry of To-Day  . . . . . . 458--459
                      Anonymous   Progress of the New Jersey Tunnels and
                                  Subways  . . . . . . . . . . . . . . . . 459--461
                      Anonymous   The Lifting Power of a Screw Propeller
                                  for Aeronautical Work  . . . . . . . . . 461--461
                      Anonymous   A Novel Method of Dog-Shearing . . . . . 462--462
               Day Allen Willey   The Salmon Fisheries of the Northwest    462--464
                      Anonymous   Depth Gage for Brace Bits  . . . . . . . 464--464
                      Anonymous   An Improved Excavator  . . . . . . . . . 464--464
                      Anonymous   Business and Personal Wants  . . . . . . 465--465
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 479--479
                      Anonymous   Recently Patented Inventions . . . . . . 490--491
                      Anonymous   Notes and Queries  . . . . . . . . . . . 491--491
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 492--494
                      Anonymous   Index of Inventions  . . . . . . . . . . 494--499
                      Anonymous   Retrospect of the Year 1905  . . . . . . 474--475
                      Anonymous   The Roosevelt Irrigation Dam in Arizona  476--477
               Arthur Inkersley   Rare Shellfish . . . . . . . . . . . . . 478--478
                      Anonymous   A Typical American Touring Car . . . . . 480--480
                      E. Wilson   Natural and Artificial Flight  . . . . . 481--481
              Walter L. Beasley   The Koryaks of Siberia and their Great
                                  Whale Festival . . . . . . . . . . . . . 482--483
               Day Allen Willey   The Oil Fields of the West . . . . . . . 484--485
                      Anonymous   The Japanese Navy After the War  . . . . 485--488
                      Anonymous   Novelties at the Parisian Toy Exposition 489--489
                      Anonymous   Business and Personal Wants  . . . . . . 491--491
                      Anonymous   The Wealth Patents --- Patents of
                                  Nations  . . . . . . . . . . . . . . . . 499--499
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 507--507
                      Anonymous   Recently Patented Inventions . . . . . . 513--514
                      Anonymous   Notes and Queries  . . . . . . . . . . . 514--514
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 514--514
                      Anonymous   Index of Inventions  . . . . . . . . . . 514--519
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 519--519
                      Anonymous   Latest Success of the Marine Turbine . . 502--502
                      Anonymous   The Quest of the Northwest Passage . . . 502--503
                      Anonymous   The Electrical Show at the Garden  . . . 503--503
                      Anonymous   The Death of Edward Atkinson . . . . . . 503--503
                      Anonymous   The Patent Office  . . . . . . . . . . . 503--503
                      Anonymous   Science Notes  . . . . . . . . . . . . . 503--503
                      Anonymous   Official Trials of the Battleship
                                  ``Rhode Island'' . . . . . . . . . . . . 504--504
             William B. Chapman   The Gas Producer for Heating Processes   504--504
                  J. A. Stewart   The New Philadelphia Subway  . . . . . . 505--506
                      Anonymous   The Turbines of the ``Carmania'' . . . . 508--508
                J. Carter Beard   Single and Multiple Animals  . . . . . . 510--510
                      Anonymous   Is there Life on the Moon? . . . . . . . 511--511
                      Anonymous   A Portable Water Heater  . . . . . . . . 512--512
                      Anonymous   A Novel Sketching Device . . . . . . . . 512--512
                      Anonymous   Simple Mail-Box Delivery Device  . . . . 512--512
                      Anonymous   Pulling Machine for Oil Wells  . . . . . 512--512
                      Anonymous   Business and Personal Wants  . . . . . . 514--514
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 46--47
                      Anonymous   Recently Patented Inventions . . . . . . 53--53
                      Anonymous   Notes and Queries  . . . . . . . . . . . 54--55
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 55--55
                      Anonymous   Index of Inventions  . . . . . . . . . . 56--59
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 59--59
                      Anonymous   A Poor Start . . . . . . . . . . . . . . 42--42
                      Anonymous   Peary and the North Pole . . . . . . . . 42--42
                      Anonymous   Time for Another Principia . . . . . . . 42--43
                      Anonymous   Burke's Own Account of the Spontaneous
                                  Action of Radium on Gelatin Media  . . . 43--43
                      Anonymous   The Current Supplement . . . . . . . . . 43--43
                      Anonymous   Opening of Extensions of the New York
                                  City Subway  . . . . . . . . . . . . . . 43--43
                      Anonymous   Official Meteorological Summary, New
                                  York, N.Y., June, 1905 . . . . . . . . . 43--43
              Walter L. Beasley   The Navy Wireless School . . . . . . . . 44--44
                      Anonymous   Tallest Concrete Chimney Ever
                                  Constructed  . . . . . . . . . . . . . . 44--45
                  Israel Ludlow   A New Aeroplane  . . . . . . . . . . . . 45--46
                      Anonymous   The Temple of Abu Simbel . . . . . . . . 46--46
                      Anonymous   The Sixth International Automobile Race
                                  for the Bennett Trophy . . . . . . . . . 47--47
                      Anonymous   Some New Automobile Track Records  . . . 47--47
                      Anonymous   Peary's Arctic Ship, the ``Roosevelt''   47--48
                  Edward Durant   An Electrically-Operated Gyroscope . . . 50--50
                      Anonymous   The ``Whirlpool'' Illusion . . . . . . . 50--50
              Alfred Gradenwitz   Improved Methods in High-Speed
                                  Chrono-Photography . . . . . . . . . . . 50--51
                      Anonymous   Patent Department  . . . . . . . . . . . 52--52
                      Anonymous   A Gas-Saving Device  . . . . . . . . . . 52--52
                      Anonymous   Oddities in Inventions . . . . . . . . . 52--52
                      Anonymous   Business and Personal Wants  . . . . . . 53--53
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 67--67
                      Anonymous   Recently Patented Inventions . . . . . . 72--72
                      Anonymous   Index of Inventions  . . . . . . . . . . 72--75
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 75--75
                      Anonymous   Facing and Trailing Switches . . . . . . 62--62
                      Anonymous   Below the Belt . . . . . . . . . . . . . 62--62
                      Anonymous   The Second City in the World . . . . . . 62--62
                      Anonymous   Fastest Long-Distance Railroad Run . . . 62--62
                      Anonymous   Testing the Touring Cars . . . . . . . . 62--62
                   Alex Del Mar   Roman Textile Manufactures . . . . . . . 63--63
                      Anonymous   Science Notes  . . . . . . . . . . . . . 63--63
                      Anonymous   The Smallest Working Model of a
                                  Triple-Expansion Engine  . . . . . . . . 64--64
                  Emile Guarini   A Lighthouse of Reinforced Concrete  . . 64--64
                      Anonymous   A Novel Gyrating Steam Engine  . . . . . 65--65
                Herbert T. Wade   The New British Yard Standard  . . . . . 65--66
                      Anonymous   The Mammoth Cunard Liners  . . . . . . . 66--66
                Myron I. Fuller   Artificial Fountain and Geyser Springs   67--67
                      Anonymous   Completion of Victoria Falls Bridge  . . 68--69
                     A. E. Zahm   Atmospheric Friction as an Obstacle in
                                  Locomotion . . . . . . . . . . . . . . . 70--71
                   C. H. Claudy   The Moro Fire Maker  . . . . . . . . . . 71--71
            Harold J. Shepstone   Mounting a Monster Sea Elephant  . . . . 71--71
                      Anonymous   Business and Personal Wants  . . . . . . 72--72
        
           Henry Norris Russell   The Heavens in August  . . . . . . . . . 79--79
                      Anonymous   Correspondence . . . . . . . . . . . . . 83--83
                      Anonymous   Recently Patented Inventions . . . . . . 89--90
                      Anonymous   Notes and Queries  . . . . . . . . . . . 90--91
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 91--92
                      Anonymous   Index of Inventions  . . . . . . . . . . 92--95
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 95--95
                      Anonymous   Sanitation and Subsistence at Panama . . 78--78
                      Anonymous   The First and Last of Its Type . . . . . 78--78
                      Anonymous   The Turbine Steamers on the Canadian
                                  Route  . . . . . . . . . . . . . . . . . 78--78
                      Anonymous   The Future of the Gas-Producer Engine    78--78
                      Anonymous   A New Kind of Fireproof Theater  . . . . 79--79
                      Anonymous   Science Notes  . . . . . . . . . . . . . 79--79
                George J. Jones   Telephones on Every Street Corner  . . . 80--80
                      Anonymous   The Primitive Observatory of Jeypore . . 80--80
                      Anonymous   The Evolution of the Horse . . . . . . . 81--82
                 Huck Gernsback   A New Interrupter  . . . . . . . . . . . 82--82
                      Anonymous   Five Thousand Degrees of Heat  . . . . . 83--84
               James G. Fernald   A Modern Filtration Plant  . . . . . . . 85--86
                  P. C. Coleman   A Unique Locomotive for South Africa . . 86--87
                      Anonymous   Results of the Hill-Climbing Contest at
                                  Mount Washington . . . . . . . . . . . . 87--87
                      Anonymous   A New Game of Table Billiards  . . . . . 88--88
                      Anonymous   A New Method of Hanging Window Sashes    88--88
                      Anonymous   An Improved Pipe Wrench  . . . . . . . . 88--88
                      Anonymous   Business and Personal Wants  . . . . . . 90--90
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 103--103
                      Anonymous   Recently Patented Inventions . . . . . . 109--110
                      Anonymous   Notes and Queries  . . . . . . . . . . . 110--111
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 111--111
                      Anonymous   Index of Inventions  . . . . . . . . . . 111--115
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 115--115
                      Anonymous   The Lesson of the ``Bennington''
                                  Disaster . . . . . . . . . . . . . . . . 98--98
                      Anonymous   Mechanical Stokers on Locomotives  . . . 98--98
                      Anonymous   Seawanhaka Cup Returns to America  . . . 98--98
                      Anonymous   Wear of Car Wheels on Curves . . . . . . 98--98
                      Anonymous   Protection against Fire Damp . . . . . . 98--99
                      Anonymous   Yellow Fever Prevented by Mosquito
                                  Extermination  . . . . . . . . . . . . . 99--99
              Edgar James Banks   How the Ancient Babylonians Drained
                                  Their City . . . . . . . . . . . . . . . 99--99
                      Anonymous   Science Notes  . . . . . . . . . . . . . 99--99
              W. Frank Mc Clure   The Improvement of the Ohio Canals . . . 100--100
                Orrin E. Dunlap   Ice-Making by Electricity  . . . . . . . 100--101
                   L. B. Powell   Hollow Concrete Building Blocks: Their
                                  Manufacture and Use  . . . . . . . . . . 101--102
                      Anonymous   Electric Tempering of Tools  . . . . . . 103--103
                      Anonymous   The Life History of a Coral  . . . . . . 104--104
                      Anonymous   The New Japanese Battleships . . . . . . 105--106
                     Enos Brown   The Future University of California  . . 106--106
                      Anonymous   Canals of Mars Photographed  . . . . . . 107--107
                      Anonymous   The Pygmies of the Congo . . . . . . . . 107--108
                      Anonymous   America's First Long-Distance Motor-Boat
                                  Race . . . . . . . . . . . . . . . . . . 108--109
                      Anonymous   Business and Personal Wants  . . . . . . 110--110
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 123--123
                      Anonymous   Index of Inventions  . . . . . . . . . . 128--131
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 130--130
                      Anonymous   The Electric Power Developments at
                                  Niagara Falls  . . . . . . . . . . . . . 118--118
                      Anonymous   The Cause of Accidents to Submarine
                                  Boats  . . . . . . . . . . . . . . . . . 118--118
                      Anonymous   An Excellent Precedent . . . . . . . . . 118--118
                      Anonymous   Blood Corpuscles on Mont Blanc . . . . . 118--119
                      Anonymous   A Prize for a Non-Poisonous Diamond
                                  Cutter's Composition . . . . . . . . . . 119--119
                 J. W. Davidson   Photographing the Solar Corona . . . . . 119--119
                      Anonymous   Science Notes  . . . . . . . . . . . . . 119--119
            Charles A. Brassler   The Astrolabe of Regiomontanus . . . . . 120--120
                      Anonymous   A Safety Buffer for Automobiles  . . . . 120--121
              Alfred Gradenwitz   The Electrolytic Production of Hydrogen
                                  and Oxygen for Welding Purposes  . . . . 121--121
                      Anonymous   The New Jersey Tunnels and Subways . . . 122--123
                      Anonymous   A Novel Oil Can  . . . . . . . . . . . . 123--123
                      Anonymous   The ``Bennington'' Disaster  . . . . . . 124--126
                      Anonymous   Electric Power Developments at Niagara
                                  Falls --- I  . . . . . . . . . . . . . . 126--126
                      Anonymous   Award of the Glidden Trophy for Touring
                                  Cars . . . . . . . . . . . . . . . . . . 127--127
                      Anonymous   Business and Personal Wants  . . . . . . 128--128
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 139--139
                      Anonymous   Recently Patented Inventions . . . . . . 146--146
                      Anonymous   Notes and Queries  . . . . . . . . . . . 146--147
                      Anonymous   Index of Inventions  . . . . . . . . . . 147--151
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 151--151
                      Anonymous   Failure of the Isham Shell . . . . . . . 134--134
                      Anonymous   Rescue of the Fiala--Ziegler Expedition  134--134
                      Anonymous   Bids for the Manhattan Bridge  . . . . . 134--134
                      Anonymous   Electric Locomotives for the New York
                                  Central  . . . . . . . . . . . . . . . . 134--134
                      Anonymous   Railroad and other Accidents in the
                                  United States  . . . . . . . . . . . . . 134--134
                      Anonymous   Bombs for Hail in Switzerland  . . . . . 134--135
                  Alex. Del Mar   Inventions of Ancient Rome: Some
                                  Forerunners of Modern Ingenuity  . . . . 135--135
                      Anonymous   Science Notes  . . . . . . . . . . . . . 135--135
                     Enos Brown   Hydraulic Mining with Centrifugal Pumps  136--136
              Edgar James Banks   The Statue of the Sumerian King David    137--137
              Alfred Gradenwitz   A Hand-Pressure Riveting Machine . . . . 137--137
               Henry Mace Payne   Aerial Tramways in the Tug River Coal
                                  Fields . . . . . . . . . . . . . . . . . 138--138
                      Anonymous   Measuring the Mechanical Equivalent of
                                  Heat . . . . . . . . . . . . . . . . . . 140--140
                      Anonymous   The Rexer Automatic Machine-Gun  . . . . 140--141
               Day Allen Willey   The Building of a Railway Car  . . . . . 141--142
                      Anonymous   An Apparatus for Measuring the Earth's
                                  Speed of Rotation  . . . . . . . . . . . 142--143
             Harry Dillon Jones   A Unique Collection of Rare Birds  . . . 143--144
                      Anonymous   Patent Department  . . . . . . . . . . . 145--145
                      Anonymous   An Improved Waiter's Tray  . . . . . . . 145--145
                      Anonymous   Drying Apparatus . . . . . . . . . . . . 145--145
                      Anonymous   New Rotary Valve for Steam Engines . . . 145--145
                      Anonymous   Business and Personal Wants  . . . . . . 146--146
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 159--159
                      Anonymous   Recently Patented Inventions . . . . . . 165--166
                      Anonymous   Notes and Queries  . . . . . . . . . . . 167--167
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 167--167
                      Anonymous   Index of Inventions  . . . . . . . . . . 167--171
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 171--171
                      Anonymous   Delay in Building the Ambrose Channel    154--154
                      Anonymous   An Old Problem in a New Form . . . . . . 154--154
                      Anonymous   Russian Army Hydrogen Balloons . . . . . 154--154
                      Anonymous   The Government's New Coal-Testing Plant  154--155
                 Alton D. Adams   Power Sites about Niagara Falls  . . . . 155--155
                      Anonymous   Science Notes  . . . . . . . . . . . . . 155--155
                      Anonymous   Procession of the Giants . . . . . . . . 156--156
                J. Irving Tracy   Determining the Speed of a Photographic
                                  Shutter  . . . . . . . . . . . . . . . . 156--156
                      Anonymous   American Gasoline Railway Motor Cars . . 157--158
                      Anonymous   The Submarine Mine . . . . . . . . . . . 160--160
             Charles C. Johnson   The Training of the Modern Shop
                                  Superintendent . . . . . . . . . . . . . 161--162
                      Anonymous   The Latest in Cycles . . . . . . . . . . 162--162
       Charles Frederick Holder   The Remoras  . . . . . . . . . . . . . . 162--163
                   W. S. Hudson   The Great Sea Wall at Galveston  . . . . 163--164
                      Anonymous   A Curious Bridge Accident  . . . . . . . 164--164
                      Anonymous   Opening of the Stone Drydock at the
                                  Boston Navy Yard . . . . . . . . . . . . 164--165
                      Anonymous   Business and Personal Wants  . . . . . . 166--166
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 9--9
                      Anonymous   Recently Patented Inventions . . . . . . 14--14
                      Anonymous   Notes and Queries  . . . . . . . . . . . 15--15
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 15--15
                      Anonymous   Index of Inventions  . . . . . . . . . . 15--19
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 19--19
                      Anonymous   The Passing of the ``Oregon''  . . . . . 4--4
                      Anonymous   Wealth of Our Farms  . . . . . . . . . . 4--4
                      Anonymous   Single-Phase Locomotives on
                                  Direct-Current Tracks  . . . . . . . . . 4--4
                      Anonymous   Water Power at High Pressure . . . . . . 4--5
                      Anonymous   The Development of the Capitaine
                                  Producer Gas Marine Engine . . . . . . . 5--5
                  W. R. Gilbert   Hybridization of Plants  . . . . . . . . 5--5
                      Anonymous   Science Notes  . . . . . . . . . . . . . 5--5
                  Jacques Boyer   A New Determination of the Quito Arc of
                                  the Meridian by the French Geodetic
                                  Commission of Ecuador  . . . . . . . . . 6--6
                      Anonymous   The New Turbine Torpedo of the United
                                  States Navy  . . . . . . . . . . . . . . 7--8
                      Anonymous   Automatic Watering Pot . . . . . . . . . 8--8
               Day Allen Willey   The Cavité Drydock  . . . . . . . . . . . 10--11
                 S. Frank Aaron   A Little Friend of the Rose  . . . . . . 12--12
                      Anonymous   Patent Department  . . . . . . . . . . . 13--13
                      Anonymous   A Simple Door Check  . . . . . . . . . . 13--13
                      Anonymous   Improved Water-Tube Boiler . . . . . . . 13--13
                      Anonymous   Business and Personal Wants  . . . . . . 14--14
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 211--211
                      Anonymous   Recently Patented Inventions . . . . . . 216--217
                      Anonymous   Business and Personal Wants  . . . . . . 217--217
                      Anonymous   Notes and Queries  . . . . . . . . . . . 217--217
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 218--218
                      Anonymous   Index of Inventions  . . . . . . . . . . 218--223
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 223--223
                      Anonymous   A Change of Front  . . . . . . . . . . . 206--206
                      Anonymous   Some Lessons from the Past at Panama . . 206--206
                      Anonymous   Gatun Dam, the Key to the Canal Problem  206--207
                      Anonymous   Mikkelsen's Arctic Expedition  . . . . . 207--207
                      Anonymous   The Moth and the Flame . . . . . . . . . 207--207
                      Anonymous   Samuel Pierpont Langley  . . . . . . . . 207--207
                      Anonymous   The New British Battleship
                                  ``Dreadnought''  . . . . . . . . . . . . 208--209
                Herbert T. Wade   Standards of Length  . . . . . . . . . . 209--209
             Thaleon Blake C. E   A Method of Burning Slack Coal in a
                                  Common Soft-Coal Furnace . . . . . . . . 210--210
                      Anonymous   A Trip Through the Panama Canal in 1915  212--214
                      Anonymous   Sanitation of the Panama Canal Zone  . . 214--215
                      Anonymous   A New Detachable Non-Skid Tire Protector 215--215
                    F. C. Mason   Arrowheads Shaped with a Wooden
                                  Implement  . . . . . . . . . . . . . . . 215--215
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 227--227
                      Anonymous   Recently Patented Inventions . . . . . . 237--237
                      Anonymous   Notes and Queries  . . . . . . . . . . . 238--238
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 239--239
                      Anonymous   Index of Inventions  . . . . . . . . . . 239--243
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 243--243
                      Anonymous   Diversion of Niagara River . . . . . . . 226--226
                      Anonymous   Two Important Tunnel Proposals . . . . . 226--226
                      Anonymous   Steam Turbine Economy  . . . . . . . . . 226--226
                      Anonymous   The Shipping Bill in a Nutshell  . . . . 226--226
                      Anonymous   Is Lead a Form of Radium?  . . . . . . . 226--227
                      Anonymous   Blue Light and Electricity as Anæsthetics 227--227
                      Anonymous   The Advantages of Producer Gas for Large
                                  Power Plants . . . . . . . . . . . . . . 227--227
                      Anonymous   Value of Commercial Cultures for Legumes 227--227
                      Anonymous   New Armored War Automobiles  . . . . . . 228--228
                Orrin E. Dunlap   Aluminium Transmission Line Across
                                  Niagara Gorge  . . . . . . . . . . . . . 229--229
                    F. R. Honey   Morning and Evening Stars in 1906  . . . 230--230
                      Anonymous   The New Armored Cruiser ``Tennessee''    230--231
              Randolph I. Geare   Recently Discovered Ruins in Rhodesia    231--232
                      Anonymous   The Government's Gasoline Lifeboats  . . 233--234
                      Anonymous   Wireless Telegraphy in Southwest Africa  234--234
                    L. Ramakers   The Royal Museum of Natural History,
                                  Brussels . . . . . . . . . . . . . . . . 234--235
                      Anonymous   An Improved Window Screen  . . . . . . . 236--236
                      Anonymous   Telescoping a Car of Dynamite  . . . . . 236--236
                      Anonymous   Ejector Pump for Driven Wells  . . . . . 236--236
                      Anonymous   Business and Personal Wants  . . . . . . 237--237
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 251--251
                      Anonymous   Recently Patented Inventions . . . . . . 257--257
                      Anonymous   Business and Personal Wants  . . . . . . 257--257
                      Anonymous   Notes and Queries  . . . . . . . . . . . 257--258
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 258--259
                      Anonymous   Index of Inventions  . . . . . . . . . . 259--263
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 263--263
                      Anonymous   ``What's in a Name?''  . . . . . . . . . 246--246
                      Anonymous   New Water Supply Legislation . . . . . . 246--246
                      Anonymous   Steel Manufacturers and the Chain Bridge 246--246
                      Anonymous   A Timely Warning . . . . . . . . . . . . 246--246
                      Anonymous   The Duration of Lightning Flashes  . . . 246--247
                      Anonymous   The Impending Exhaustion of the World's
                                  Iron Supply  . . . . . . . . . . . . . . 247--247
                      Anonymous   The Efficiency of the Gas Engine . . . . 247--248
                      Anonymous   Electric Power Developments at Niagara
                                  Falls. --- III . . . . . . . . . . . . . 248--249
                      Anonymous   Mounting the 12-Inch Guns of the
                                  ``Connecticut''  . . . . . . . . . . . . 249--250
                      Anonymous   The New Water Supply for New York City   250--251
                      Anonymous   The Diamond Shoals Lighthouse  . . . . . 251--252
                      Anonymous   Some Recent Foreign Flying Machines  . . 252--254
               Frank C. Perkins   A New French Compound Locomotive . . . . 254--254
               Day Allen Willey   How Shingles are Made  . . . . . . . . . 254--256
                      Anonymous   Air Box for Stoves . . . . . . . . . . . 256--256
                      Anonymous   Apparatus for Marking Sunken Vessels . . 256--256
                      Anonymous   Oddities in Inventions . . . . . . . . . 256--257
        
           Henry Norris Russell   The Heavens in April, 1906 . . . . . . . 267--267
                      Anonymous   Correspondence . . . . . . . . . . . . . 271--271
                      Anonymous   Recently Patented Inventions . . . . . . 276--276
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 276--276
                      Anonymous   Index of Inventions  . . . . . . . . . . 276--279
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 279--279
                      Anonymous   Earthquakes and Dam Construction at
                                  Panama . . . . . . . . . . . . . . . . . 266--266
                      Anonymous   A Quart Measure in a Pint Pot  . . . . . 266--266
                      Anonymous   What are Atoms, Electrons, and Ions? . . 266--266
                      Anonymous   Proposed Bill for the Extension of
                                  Patents  . . . . . . . . . . . . . . . . 267--267
                      Anonymous   People Who Have Eaten Books  . . . . . . 267--267
                      Anonymous   Electrical Music . . . . . . . . . . . . 268--269
                      Anonymous   A Simple and Speedy Motor Sleigh . . . . 269--270
                      Anonymous   The New Cunarders  . . . . . . . . . . . 270--270
                    L. Ramakers   Boring Out Columns in Solid Rock . . . . 272--272
                  Jacques Boyer   Artistic French Taxidermy  . . . . . . . 272--274
                      Anonymous   New Type of Armor-Piercing Shell . . . . 274--274
                     C. Metcalf   A Puzzling Bit of Foundry Work . . . . . 274--275
                      Anonymous   The Walschaert Valve on American
                                  Locomotives  . . . . . . . . . . . . . . 275--275
                      Anonymous   Business and Personal Wants  . . . . . . 276--276
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 287--287
                      Anonymous   Recently Patented Inventions . . . . . . 293--293
                      Anonymous   Notes and Queries  . . . . . . . . . . . 294--294
                      Anonymous   Index of Inventions  . . . . . . . . . . 294--299
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 299--299
                      Anonymous   The Behring Sea Tunnel . . . . . . . . . 282--282
                      Anonymous   Seven-Hundred-Mile Electric Transmission 282--282
                      Anonymous   Cheap Alcohol for Motors . . . . . . . . 282--282
                      Anonymous   A Practical Application of the Aversion
                                  of Eels from Light . . . . . . . . . . . 282--282
                      Anonymous   The Chances of Living in a Modern Battle 282--282
                      Anonymous   An Open Letter to the Mayor  . . . . . . 283--283
                      Anonymous   The Modern Philosopher's Stone . . . . . 283--283
                      Anonymous   A New Army Signaling Apparatus . . . . . 283--283
                      Anonymous   A Combined Long and Short Range
                                  Automobile Searchlight . . . . . . . . . 284--284
                      Anonymous   Pennsylvania Railroad's Extension to New
                                  York and Long Island --- The Long Island
                                  City Power Station --- I . . . . . . . . 285--287
             Harry Dillon Jones   How Artificial Teeth are Made  . . . . . 288--288
                      Anonymous   Ants and Their Ways  . . . . . . . . . . 289--290
              Alfred Gradenwitz   Electric Traction on the Simplon Railway 290--290
                      Anonymous   The Wright Aeroplane and Its
                                  Performances . . . . . . . . . . . . . . 291--292
                      Anonymous   An Exhaust Valve for Locomotives . . . . 292--292
                      Anonymous   Cabinet for Bread Making . . . . . . . . 292--292
                      Anonymous   Business and Personal Wants  . . . . . . 293--294
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 307--307
                      Anonymous   Recently Patented Inventions . . . . . . 313--313
                      Anonymous   Notes and Queries  . . . . . . . . . . . 313--313
                      Anonymous   Index of Inventions  . . . . . . . . . . 313--319
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 319--319
                      Anonymous   More Light on Turbine Economy  . . . . . 302--302
                      Anonymous   Effects of Snow on the Third Rail  . . . 302--302
                      Anonymous   Combined Floating and Stationary Power
                                  Station  . . . . . . . . . . . . . . . . 302--302
                      Anonymous   Comparison of Heavy Electric and Steam
                                  Locomotive Performance . . . . . . . . . 302--302
                      Anonymous   The Organization of the Submarine
                                  Flotilla of the British Fleet  . . . . . 302--302
                      Anonymous   The Economics of New York's Refuse
                                  Destructor . . . . . . . . . . . . . . . 303--303
                      Anonymous   Proposed New York, Brockton, and Boston
                                  Canal  . . . . . . . . . . . . . . . . . 303--303
                      Anonymous   Recent Balloon Ascensions in the
                                  Vicinity of New York . . . . . . . . . . 303--303
                      Anonymous   Science Notes  . . . . . . . . . . . . . 303--303
               W. Frank M'clure   A Railway Mail Catcher . . . . . . . . . 304--304
              Alfred Gradenwitz   An Apparatus for Recording the
                                  Oscillations of Lighthouse Towers  . . . 304--304
                      Anonymous   A Pneumatic Deck-Calking Tool  . . . . . 304--304
                      Anonymous   100-Horse-Power Suction-Gas-Propelled
                                  Boat on the River Rhine  . . . . . . . . 305--306
                      Anonymous   Motor Roller Skates  . . . . . . . . . . 306--306
                      Anonymous   An Improved Engine Indicator . . . . . . 307--307
                      Anonymous   A Novel Profile Tracer . . . . . . . . . 308--308
                      Anonymous   How Easter Eggs are Made by the Thousand 308--309
                      Allen Day   The Inundation of the Salton Basin by
                                  the Colorado River and How It Was Caused 310--312
              Edgar James Banks   Letter Writing Five Thousand Years Ago   312--312
                      Anonymous   Business and Personal Wants  . . . . . . 313--313
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 327--327
                      Anonymous   Recently Patented Inventions . . . . . . 332--334
                      Anonymous   Index of Inventions  . . . . . . . . . . 334--339
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 339--339
                      Anonymous   International Protection of Niagara
                                  Falls  . . . . . . . . . . . . . . . . . 322--322
                      Anonymous   The English Channel Tunnel . . . . . . . 322--322
                      Anonymous   Electric Equipment of a Great Railroad   322--322
                      Anonymous   Uniformity in Battleships  . . . . . . . 322--322
                      Anonymous   The Development of Aerial Navigation for
                                  Military Purposes in Europe  . . . . . . 322--323
                    L. H. Yates   Canals and Railways in India . . . . . . 323--323
                      Anonymous   Mosquito Extermination . . . . . . . . . 323--323
                      Anonymous   The Bell Tetrahedral Kite in Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 324--324
                      Anonymous   Armor Plate --- The Last Answer of the
                                  Banker to the Burglar  . . . . . . . . . 325--326
                      Anonymous   An Improved form of Automatic Carbureter 326--326
           George Wharton James   The Overflow of the Colorado River and
                                  the Salton Sea --- II  . . . . . . . . . 328--329
                      Anonymous   Vesuvius: Past and Present . . . . . . . 330--331
                      Anonymous   Business and Personal Wants  . . . . . . 332--332
        
           Henry Norris Russell   The Heavens in May . . . . . . . . . . . 343--343
                      Anonymous   Recently Patented Inventions . . . . . . 352--354
                      Anonymous   Notes and Queries  . . . . . . . . . . . 354--355
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 355--355
                      Anonymous   Index of Inventions  . . . . . . . . . . 355--359
                      Anonymous   Patents  . . . . . . . . . . . . . . . . 359--359
                      Anonymous   Earthquake-Proof Construction  . . . . . 342--342
                      Anonymous   Subway Ventilation by Air Valves . . . . 342--342
                      Anonymous   The ``Kearsarge'' Disaster . . . . . . . 342--342
                      Anonymous   The Relation between Pain and
                                  Inflammation . . . . . . . . . . . . . . 343--343
                      Anonymous   Feeling the Earth's Pulse  . . . . . . . 344--345
                      Anonymous   Electrical Equipment of the Long Island
                                  City Power Station . . . . . . . . . . . 345--346
                      Anonymous   San Francisco and Its Catastrophe  . . . 347--347
                      Anonymous   Meerschaum and Its Manufacture into
                                  Pipes  . . . . . . . . . . . . . . . . . 348--349
                      Anonymous   Some Novel Uses of Electricity . . . . . 349--350
                      Anonymous   Franklin's Scientific Work . . . . . . . 350--351
                      Anonymous   Business and Personal Wants  . . . . . . 354--354
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 367--367
                      Anonymous   Recently Patented Inventions . . . . . . 373--373
                      Anonymous   Notes and Queries  . . . . . . . . . . . 374--374
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 374--375
                      Anonymous   Index of Inventions  . . . . . . . . . . 375--379
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 379--379
                      Anonymous   Courage and Sympathy in Disaster . . . . 362--362
                      Anonymous   An Opinion from Panama . . . . . . . . . 362--362
                      Anonymous   Trial Speed and Sea Speed  . . . . . . . 362--362
                      Anonymous   A Retrograde Step  . . . . . . . . . . . 362--362
                      Anonymous   Prof. Sir George H. Darwin . . . . . . . 363--363
                      Anonymous   The Proposed Amendment to the Trade-Mark
                                  Law  . . . . . . . . . . . . . . . . . . 363--363
                      Anonymous   The Whistling Vibration of a Drop  . . . 363--363
                Marcus Benjamin   The National Academy of Sciences . . . . 363--363
               Day Allen Willey   The Automatic Conveyer in Lumbering  . . 364--365
                      Anonymous   The Electric Locomotives of New York,
                                  New Haven and Hartford Railroad  . . . . 365--365
                      Anonymous   A New Method of Heating Switches . . . . 365--366
                      Anonymous   The Hendrick Hudson Memorial Bridge  . . 366--366
                       C. Field   Curiosities of Naval Architecture ---
                                  Round Ships and Globular Vessels . . . . 368--369
                 A. W. Forstall   How to Construct an Experimental
                                  Polyphase Motor  . . . . . . . . . . . . 370--371
              Alfred Gradenwitz   The Sense of Smell in Snails . . . . . . 371--371
                   William Dale   A Machine for Picking Cotton . . . . . . 371--372
                      Anonymous   A Convenient Drafting Instrument . . . . 372--372
                      Anonymous   A Novel Toy  . . . . . . . . . . . . . . 372--372
                      Anonymous   Retaining Device for Barrels . . . . . . 372--372
                      Anonymous   Book Purse . . . . . . . . . . . . . . . 372--372
                      Anonymous   Business and Personal Wants  . . . . . . 373--373
        
                      Anonymous   Recently Patented Inventions . . . . . . 398--398
                      Anonymous   Notes and Queries  . . . . . . . . . . . 400--400
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 400--400
                      Anonymous   Index of Inventions  . . . . . . . . . . 401--406
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 405--405
                      Anonymous   A Fuel Efficiency Test of Automobiles    382--382
                      Anonymous   Prevention and Mastery of Disease  . . . 382--382
                      Anonymous   Fireproof Qualities of Reinforced
                                  Concrete . . . . . . . . . . . . . . . . 382--382
                      Anonymous   The Government as a Cement Manufacturer  382--383
                   H. A. Crafts   Some Features of the Great Earthquake    383--383
                      Anonymous   The Advantages and Limitations of
                                  Reinforced Concrete  . . . . . . . . . . 383--383
                      Anonymous   Typical Systems of Reinforced Concrete
                                  Construction . . . . . . . . . . . . . . 384--386
                      Anonymous   Concreting the Jerome Park Reservoir . . 386--387
                      Anonymous   The Impinging Flame in Cement Burning    387--387
                      Anonymous   Concrete Mixing Machinery  . . . . . . . 388--389
                      Anonymous   Concrete Block Machines  . . . . . . . . 390--391
                      Anonymous   Some Views and Lessons of the San
                                  Francisco Disaster . . . . . . . . . . . 392--394
                      Anonymous   A Stairway of Reinforced Concrete  . . . 394--394
                      Anonymous   The Ingalls Building --- The Largest
                                  Concrete Office Building in the World    394--395
                Orrin E. Dunlap   A Great Concrete Retaining Wall  . . . . 395--396
                      Anonymous   The Artistic Possibilities of Cement . . 396--396
                      Anonymous   Business and Personal Wants  . . . . . . 398--398
        
                      Anonymous   Recently Patented Inventions . . . . . . 48--48
                      Anonymous   Notes and Queries  . . . . . . . . . . . 48--48
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 48--48
                      Anonymous   Index of Inventions  . . . . . . . . . . 58--63
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 63--63
                      Anonymous   Future of Direct-Current Traction  . . . 22--22
                      Anonymous   Designing the Steam Turbine  . . . . . . 22--22
                      Anonymous   The Automobile in 1906 . . . . . . . . . 22--23
                      Anonymous   Progress with the Electric Automobile    23--23
                    K. L. Smith   Increasing Demand for the Mississippi
                                  Pearl  . . . . . . . . . . . . . . . . . 23--23
                      Anonymous   Science Notes  . . . . . . . . . . . . . 23--23
                      Anonymous   Crossing the Continent by Automobile . . 24--26
                      Anonymous   A Motor Equipment for Bicycles . . . . . 26--26
                      Anonymous   A Light Four-Passenger Runabout  . . . . 26--26
                      Anonymous   A Light and Speedy Runabout  . . . . . . 26--26
                      Anonymous   A Four-Cylinder Air-Cooled Runabout  . . 27--27
                      Anonymous   The Frayer--Miller Six-Cylinder
                                  Air-Cooled Motor . . . . . . . . . . . . 28--28
                      Anonymous   The Marmon Air-Cooled Touring Car  . . . 28--28
                      Anonymous   A Revolving-Cylinder Motor Car . . . . . 29--29
                      Anonymous   A New Four-Cylinder Air-Cooled Motor and
                                  Selective-Type Transmission  . . . . . . 29--29
                      Anonymous   The Cadillac Single-Cylinder Light
                                  Touring Car  . . . . . . . . . . . . . . 30--30
                      Anonymous   The Oldsmobile Two-Cycle and Four-Cycle
                                  Touring Cars . . . . . . . . . . . . . . 30--30
                      Anonymous   A Detachable Limousine Touring Car . . . 31--31
                      Anonymous   The Peerless 30-Horse-Power Touring Car  31--31
                      Anonymous   High-Powered American Touring Cars . . . 32--32
                      Anonymous   A Novel 4-Cylinder Touring Car . . . . . 34--34
                      Anonymous   A Silent Non-Adjustable Ball Bearing . . 34--34
                      Anonymous   Automobile Novelties and Improvements    36--36
                      Anonymous   Danger Signs for Automobilists . . . . . 36--36
                      Anonymous   Electric Light for Closed Carriages  . . 36--36
                      Anonymous   New Spring Wheels  . . . . . . . . . . . 36--36
                      Anonymous   A Dashboard Ignition Outfit  . . . . . . 38--38
                      Anonymous   An Improved Universal Joint  . . . . . . 38--38
                      Anonymous   Wheel Clutch for Use with a Solid Rear
                                  Axle . . . . . . . . . . . . . . . . . . 38--38
                      Anonymous   The Thomas Safety Ratchet Device . . . . 38--40
                      Anonymous   Automobile Shock-Absorbers . . . . . . . 40--40
                      Anonymous   The Franklin Air-Cooled Cars . . . . . . 40--40
              Alfred Gradenwitz   Snow Sculptures  . . . . . . . . . . . . 42--42
                  Emile Guarini   Electricity in Hospitals . . . . . . . . 44--46
              Alfred Gradenwitz   A New Type of Portable Wireless
                                  Telegraph Station  . . . . . . . . . . . 46--46
                      Anonymous   A Clever Mechanical and Electrical
                                  Automaton  . . . . . . . . . . . . . . . 46--46
                      Anonymous   Business and Personal Wants  . . . . . . 49--49
        
                      Anonymous   Recently Patented Inventions . . . . . . 421--421
                      Anonymous   Notes and Queries  . . . . . . . . . . . 422--422
                      Anonymous   Index of Inventions  . . . . . . . . . . 422--427
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 427--427
                      Anonymous   Panama Canal and the Tehuantepec
                                  Railroad . . . . . . . . . . . . . . . . 410--410
                      Anonymous   Superheated Steam in Railway Service . . 410--410
                      Anonymous   Rebuilding the Russian Navy  . . . . . . 410--410
                      Anonymous   The Discovery of the Ancient Hebrew
                                  Temple of Onias in Egypt . . . . . . . . 410--410
                      Anonymous   Exports of Agricultural Products . . . . 411--411
                      Anonymous   Electricity for Canals . . . . . . . . . 411--411
                      Anonymous   Lord Kelvin's Conception of an Atom  . . 411--411
                      Anonymous   Science Notes  . . . . . . . . . . . . . 411--411
                      Anonymous   Gasoline Locomotives . . . . . . . . . . 412--412
           A. Frederick Collins   A New Machine for Engraving Steel Plates 412--412
                      Anonymous   The Winning Cars in the Automobile Club
                                  of America's Two-Gallon Fuel Efficiency
                                  Contest  . . . . . . . . . . . . . . . . 414--414
                      Anonymous   A Thermo-Electric Pyrometer of Low
                                  Resistance and Compensator . . . . . . . 415--415
                      Anonymous   The Art of Piano Making --- I  . . . . . 416--418
                Edgar L. Larkin   Earthquake Observations  . . . . . . . . 418--418
               Arthur Inkersley   Effects of the Earthquake and Fire upon
                                  the City of San Francisco and Its
                                  Buildings  . . . . . . . . . . . . . . . 418--420
                      Anonymous   An Improved Adjustable Clutch  . . . . . 420--420
                      Anonymous   An Improved Hand-Operated Meat Press . . 420--420
                      Anonymous   Water-Feed Regulator with Automatic
                                  Alarm  . . . . . . . . . . . . . . . . . 420--420
                      Anonymous   Business and Personal Wants  . . . . . . 421--421
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 435--435
                      Anonymous   Recently Patented Inventions . . . . . . 441--441
                      Anonymous   Notes and Queries  . . . . . . . . . . . 442--442
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 442--443
                      Anonymous   Index of Inventions  . . . . . . . . . . 443--447
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 447--447
                      Anonymous   Conditions of the Rapid Transit Tunnel   430--430
                      Anonymous   Efficiency of the American Locomotive    430--430
                      Anonymous   Directed Wireless Telegraph Messages . . 430--431
                      Anonymous   The Manufacture of Turpentine  . . . . . 431--431
                      Anonymous   A New and Cheap Process for Generating
                                  Hydrogen . . . . . . . . . . . . . . . . 431--431
                      Anonymous   A Russian Gasoline--Electric Train . . . 431--431
                      Anonymous   The Art of Piano Making --- II . . . . . 432--435
                      Anonymous   An Automobile School . . . . . . . . . . 435--436
                      Anonymous   The Lorimer Automatic Telephone  . . . . 437--438
                      Anonymous   Pennsylvania Railroad's Terminal
                                  Station, New York City . . . . . . . . . 438--439
                      Anonymous   The Laocoön Group as it Ought to be . . . 439--439
                      Anonymous   The New Vickers--Maxim 12-Inch
                                  Breech-Loading Wire-Wound Gun  . . . . . 440--440
                      Anonymous   Business and Personal Wants  . . . . . . 441--441
        
           Henry Norris Russell   The Heavens in June  . . . . . . . . . . 451--451
                      Anonymous   Correspondence . . . . . . . . . . . . . 454--455
                      Anonymous   Recently Patented Inventions . . . . . . 461--461
                      Anonymous   Notes and Queries  . . . . . . . . . . . 461--461
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 461--461
                      Anonymous   Index of Inventions  . . . . . . . . . . 461--466
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 466--466
                      Anonymous   The Rapid Transit East River Tunnel
                                  Defects  . . . . . . . . . . . . . . . . 450--450
                      Anonymous   Present Conditions at Panama . . . . . . 450--450
                      Anonymous   Recent Experiments in the Preservation
                                  of Meat  . . . . . . . . . . . . . . . . 450--450
                      Anonymous   Denatured Alcohol Freed from Taxation    450--450
                      Anonymous   A New Compound . . . . . . . . . . . . . 451--451
                      Anonymous   A Unique Vacuum Apparatus  . . . . . . . 451--451
                      Anonymous   Lecture-Room Boomerang . . . . . . . . . 451--451
                      Anonymous   The Brierley Fog-Signaling Apparatus for
                                  Railroads  . . . . . . . . . . . . . . . 452--453
                      Anonymous   The Excavation for the Pennsylvania
                                  Railroad Station, New York . . . . . . . 453--454
                      Anonymous   Apparatus for Viewing Diffraction Color
                                  Photographs  . . . . . . . . . . . . . . 455--455
              Alfred Gradenwitz   Water Sterilization  . . . . . . . . . . 456--458
       Charles Frederick Holder   Through a Window of the Sea  . . . . . . 458--459
                      Anonymous   Thomas A. Edison Automobiling to the
                                  South  . . . . . . . . . . . . . . . . . 460--460
                      Anonymous   Business and Personal Wants  . . . . . . 461--461
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 474--475
                      Anonymous   Recently Patented Inventions . . . . . . 481--482
                      Anonymous   Notes and Queries  . . . . . . . . . . . 482--483
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 483--483
                      Anonymous   Index of Inventions  . . . . . . . . . . 483--487
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 487--487
                      Anonymous   The San Francisco Earthquake and the
                                  Senate Canal Committee . . . . . . . . . 470--470
                      Anonymous   Strength of the Japanese Navy  . . . . . 470--470
                      Anonymous   Denaturized Alcohol  . . . . . . . . . . 470--470
                      Anonymous   Some Facts about Portland Cement . . . . 470--471
                      Anonymous   Ehrlich's Remarkable Studies of Cancer
                                  in Mice  . . . . . . . . . . . . . . . . 471--471
                      Anonymous   Concrete: Its Rise and Its Applications  471--471
                      Anonymous   Fluid Lenses . . . . . . . . . . . . . . 471--471
                      Anonymous   Resistance of the Human Body to
                                  Automobile Accidents . . . . . . . . . . 471--471
                      Anonymous   Why Do Stars Seem Rayed? . . . . . . . . 471--471
                      Anonymous   The Reconstructed Christie Racer and its
                                  Record at the Automobile Carnival  . . . 472--472
                      Anonymous   Union Pacific Motor Car No. 7  . . . . . 472--473
                      Anonymous   The Earthquake and the Tracks of a
                                  Trolley Line . . . . . . . . . . . . . . 473--473
                      Anonymous   Fireproofing at San Francisco  . . . . . 473--474
                  Emile Guarini   Mechanical Compression of the Ground in
                                  the Construction of Foundations  . . . . 476--477
               Day Allen Willey   The Snag Boats of the South  . . . . . . 478--478
                      Anonymous   Power Transmission Line of the Long
                                  Island Railroad  . . . . . . . . . . . . 478--479
                      Anonymous   Patent Department  . . . . . . . . . . . 480--480
                      Anonymous   A Novel Reflecting Lamp Globe  . . . . . 480--480
                      Anonymous   Triple Gage, Butt Gage, and Tool Holder  480--480
                      Anonymous   Business and Personal Wants  . . . . . . 482--482
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 495--495
                      Anonymous   Recently Patented Inventions . . . . . . 501--501
                      Anonymous   Notes and Queries  . . . . . . . . . . . 501--502
                      Anonymous   Index of Inventions  . . . . . . . . . . 502--507
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 507--507
                      Anonymous   Steel and Wooden Cars in the Subway Fire 490--490
                      Anonymous   Ocean Races for Small Boats  . . . . . . 490--490
                      Anonymous   A Decade of Wireless Telegraphy  . . . . 490--491
         Charles Richards Dodge   The Need of a Pure-Food Law  . . . . . . 491--491
                      Anonymous   The British Naval Programme for 1906 . . 491--491
                      Anonymous   Steam Jacketing Investigations . . . . . 491--491
                      Anonymous   Dried Milk --- a New Process . . . . . . 492--492
              Alfred Gradenwitz   The Magic Sphere --- an Illusion
                                  Apparatus in Which Curious Optical
                                  Effects are Produced by Centrifugal
                                  Force  . . . . . . . . . . . . . . . . . 493--493
                      Anonymous   The Hot-Air Boiler . . . . . . . . . . . 494--494
                      Anonymous   The Latest and Largest Steamship . . . . 496--498
                      Anonymous   European Earthquake Recorders  . . . . . 498--499
              Arthur F. Bresler   Tempered Ductile Metals  . . . . . . . . 500--500
                      Anonymous   Wellman's Motor Bicycle Sled . . . . . . 500--500
                      Anonymous   A Simple Adding Machine  . . . . . . . . 501--501
                      Anonymous   Business and Personal Wants  . . . . . . 501--501
        
                      Anonymous   Recently Patented Inventions . . . . . . 521--521
                      Anonymous   Notes and Queries  . . . . . . . . . . . 521--522
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 522--523
                      Anonymous   Index of Inventions  . . . . . . . . . . 523--527
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 527--527
                      Anonymous   Present Condition of the Assouan Dam . . 510--510
                      Anonymous   Transatlantic Wireless Telegraph
                                  Troubles . . . . . . . . . . . . . . . . 510--510
                      Anonymous   The Influence of Increased Barometric
                                  Pressure on the Human Body . . . . . . . 510--511
                     Henry Hale   The Industrial Uses and Value of Alcohol 511--511
                      Anonymous   Automobile Notes . . . . . . . . . . . . 511--512
                      Anonymous   Artificial Regulation of Atmospheric
                                  Humidity and Temperature . . . . . . . . 512--513
                Gustave Michaud   A Chemical Trick . . . . . . . . . . . . 513--513
               Edwin J. Prindle   The Art of Inventing . . . . . . . . . . 513--515
                      Anonymous   A One-Hundred-Ton Derrick Crane for
                                  Fitting out Vessels  . . . . . . . . . . 515--515
                      Anonymous   A Locomotive Boiler Explosion  . . . . . 515--516
                  Jacques Boyer   French Candle Making . . . . . . . . . . 516--518
                      Anonymous   Patent Department  . . . . . . . . . . . 518--518
                      Anonymous   Device for Moving Pump Piston Rods . . . 518--518
                      Anonymous   Improved Scaffolding . . . . . . . . . . 518--519
                      Anonymous   An Improved Non-Skidding Tire  . . . . . 519--519
                      Anonymous   A New Insulator Pin  . . . . . . . . . . 519--519
                      Anonymous   Oddities in Invention  . . . . . . . . . 519--521
                      Anonymous   Business and Personal Wants  . . . . . . 521--521
        
           Henry Norris Russell   The Heavens in July  . . . . . . . . . . 531--531
                      Anonymous   Correspondence . . . . . . . . . . . . . 535--535
                      Anonymous   Recently Patented Inventions . . . . . . 540--540
                      Anonymous   Notes and Queries  . . . . . . . . . . . 540--540
                      Anonymous   Index of Inventions  . . . . . . . . . . 540--544
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 545--546
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 547--547
                      Anonymous   A Lock Canal for Panama  . . . . . . . . 530--530
                      Anonymous   Redwood in the San Francisco Fire  . . . 530--530
                      Anonymous   Comparison of Western Irrigation
                                  Reservoirs and the New Croton Dam  . . . 530--530
                      Anonymous   Seeds and Suspended Animation  . . . . . 530--530
                      Anonymous   Orientation of Carrier Pigeons . . . . . 531--531
                      Anonymous   The ``Italia'' Airship . . . . . . . . . 532--532
              Alfred Gradenwitz   The Laying of a 10,000-Volt Cable  . . . 532--533
              Walter L. Beasley   Making the Flags of our Warships . . . . 533--534
                  Charles Wiles   How Glaciers are Studied . . . . . . . . 534--535
               Day Allen Willey   Oil Fuel on Southwestern Railroads . . . 536--536
                      Anonymous   Supplying New York With Bluefish . . . . 537--538
                D. L. Beardsley   An Electrolytic Wireless Receiver  . . . 538--538
                      Anonymous   Replacing the Broadway Drawbridge with a
                                  New Span . . . . . . . . . . . . . . . . 539--539
                      Anonymous   Business and Personal Wants  . . . . . . 540--540
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 71--71
                      Anonymous   Recently Patented Inventions . . . . . . 77--78
                      Anonymous   Notes and Queries  . . . . . . . . . . . 78--79
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 79--79
                      Anonymous   Index of Inventions  . . . . . . . . . . 79--83
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 83--83
                      Anonymous   Pipe Galleries in the New Subway . . . . 66--66
                      Anonymous   We Should Use the Metric System  . . . . 66--66
                      Anonymous   Alternative Schemes for the Panama Canal 66--66
                      Anonymous   Electro-Technical Industries . . . . . . 66--67
             Arthur H. J. Keane   Some Costly Eggs . . . . . . . . . . . . 67--67
                      Anonymous   Science Notes  . . . . . . . . . . . . . 67--67
               Day Allen Willey   Floating Depot for Coaling Warships  . . 68--68
                      Anonymous   Proposed Excavation of the Panama Canal
                                  by Floating Dredges  . . . . . . . . . . 68--70
                   S. M. Howell   A Rational Method of Cooling Gas-Engine
                                  Cylinders  . . . . . . . . . . . . . . . 70--71
         Charles Richards Dodge   Bromelia Fiber . . . . . . . . . . . . . 71--71
                      Anonymous   A Chair Designed for the Prevention of
                                  Seasickness  . . . . . . . . . . . . . . 72--72
                      Anonymous   A New Composing Machine  . . . . . . . . 73--73
                      Anonymous   Historical Photograph from the Sea of
                                  Japan  . . . . . . . . . . . . . . . . . 74--76
                      Anonymous   Improved Cushion Sole for Shoes  . . . . 76--76
                      Anonymous   An Improved Form of Telephone Instrument 76--76
                      Anonymous   Clothes-Line Support . . . . . . . . . . 76--76
                      Anonymous   Adjustable Window Ventilator . . . . . . 76--76
                      Anonymous   Business and Personal Wants  . . . . . . 78--78
        
           Henry Norris Russell   The Heavens in February  . . . . . . . . 87--87
                      Anonymous   Correspondence . . . . . . . . . . . . . 91--91
                      Anonymous   Recently Patented Inventions . . . . . . 97--97
                      Anonymous   Notes and Queries  . . . . . . . . . . . 97--98
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 98--99
                      Anonymous   Index of Inventions  . . . . . . . . . . 99--103
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 103--103
                      Anonymous   Final Completion of the Croton Reservoir 86--86
                      Anonymous   Shipbuilding in the United States  . . . 86--86
                      Anonymous   Army Transport and the Merchant Marine   86--86
                      Anonymous   Two Centuries after Franklin . . . . . . 86--87
                      Anonymous   Improvements Noted at the Automobile
                                  Shows  . . . . . . . . . . . . . . . . . 87--87
                      Anonymous   The Ungentle Art of Burglary . . . . . . 88--89
                      Anonymous   A New and Interesting overhead Traveling
                                  Gear for Expediting Construction in
                                  Shipyards  . . . . . . . . . . . . . . . 90--90
                      Anonymous   Schlick's Marine Gyroscope in Use  . . . 90--90
           A. Frederick Collins   High-Potential Discharges  . . . . . . . 92--93
                      Anonymous   The Aero Club of America's Exhibit of
                                  Aeronautical Apparatus . . . . . . . . . 93--94
                      Anonymous   Changes and Improvements in the Edison
                                  Nickel-Iron Storage Cell . . . . . . . . 94--94
               Rudolf Schneider   The ``Roman Ordnance'' at the Saalburg   95--96
                      Anonymous   Improved Carrier for Barrels . . . . . . 96--96
                      Anonymous   A Novel Gun Attachment . . . . . . . . . 96--96
                      Anonymous   Corn Harvester and Husker  . . . . . . . 96--96
                      Anonymous   Oddities in Inventions . . . . . . . . . 96--96
                      Anonymous   Business and Personal Wants  . . . . . . 97--97
        
                      Anonymous   Recently Patented Inventions . . . . . . 116--116
                      Anonymous   Notes and Queries  . . . . . . . . . . . 117--118
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 118--118
                      Anonymous   Index of Inventions  . . . . . . . . . . 118--123
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 123--123
                      Anonymous   A Canal by Lake and Locks  . . . . . . . 106--106
                      Anonymous   Does a Water Famine Threaten New York
                                  City?  . . . . . . . . . . . . . . . . . 106--106
                      Anonymous   New Conceptions in Astronomy . . . . . . 106--107
                      Anonymous   The Voyage of the ``Discovery''  . . . . 107--107
                      Anonymous   Science Notes  . . . . . . . . . . . . . 107--107
              Alfred Gradenwitz   Novel Methods of Determining the Amount
                                  of Atmospheric Dust  . . . . . . . . . . 108--108
                      Anonymous   The Bates Plan for Lock and Lake Canal
                                  at Panama --- II . . . . . . . . . . . . 109--110
           A. Frederick Collins   Braun's New Method of Directing Wireless
                                  Messages . . . . . . . . . . . . . . . . 110--111
         William G. Fitz Gerald   The Soldier--Mountaineers of Italy . . . 111--111
                      Anonymous   Giant Creatures of Prehistoric Times . . 113--114
              Alfred Gradenwitz   Refrigeration with Electric Motive Power 114--114
                      Anonymous   New Automobile Speed Records in Florida  115--115
                      Anonymous   Business and Personal Wants  . . . . . . 116--116
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 131--131
                      Anonymous   Recently Patented Inventions . . . . . . 136--137
                      Anonymous   Notes and Queries  . . . . . . . . . . . 137--137
                      Anonymous   Index of Inventions  . . . . . . . . . . 138--143
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 143--143
                      Anonymous   State Commission on New York Water
                                  Supply . . . . . . . . . . . . . . . . . 126--126
                      Anonymous   The Delay of the Manhattan Bridge  . . . 126--126
                      Anonymous   On a Tour of the Shops . . . . . . . . . 126--127
                 Alton D. Adams   Proposed Dam for Lake Erie . . . . . . . 127--127
                      Anonymous   Prize for Electric Device  . . . . . . . 127--127
                      Anonymous   Official Meteorological Summary, New
                                  York, N.Y., January, 1906  . . . . . . . 127--127
                      Anonymous   An American Modification of the Parsons
                                  Steam Turbine  . . . . . . . . . . . . . 128--128
                      Anonymous   The Motor Skate --- a New Thousand
                                  League Boot  . . . . . . . . . . . . . . 129--129
                    L. Ramakers   The Helicopt\`ere Santos-Dumont's Latest
                                  Flying Machine . . . . . . . . . . . . . 129--130
                   H. B. Dailey   A Convenient Hydrogen Generator  . . . . 130--130
               Day Allen Willey   Ore-Unloading by Machinery . . . . . . . 131--132
                      Anonymous   Final Races at the Ormond Automobile
                                  Meet . . . . . . . . . . . . . . . . . . 133--134
              Alfred Gradenwitz   Moving a German Lighthouse . . . . . . . 134--134
       Charles Frederick Holder   Remarkable Phosphorescent Animals  . . . 135--136
                      Anonymous   An Improved Annunciator  . . . . . . . . 136--136
                      Anonymous   Business and Personal Wants  . . . . . . 137--137
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 151--151
                      Anonymous   Recently Patented Inventions . . . . . . 156--156
                      Anonymous   Notes and Queries  . . . . . . . . . . . 158--159
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 159--160
                      Anonymous   Index of Inventions  . . . . . . . . . . 160--163
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 163--163
                      Anonymous   Speed and Safety in Railroad Travel  . . 146--146
                      Anonymous   Superheat and Boiler Pressures . . . . . 146--146
                      Anonymous   Foreshore Protection with Chain-Cable
                                  Groynes  . . . . . . . . . . . . . . . . 146--146
                      Anonymous   Electrifying the St. Clair Tunnel  . . . 146--146
                      Anonymous   The Electric Fusion of Glass . . . . . . 146--147
                      Anonymous   Some Recent Discoveries in Oceanography  147--147
                      Anonymous   Science Notes  . . . . . . . . . . . . . 147--147
           A. Frederick Collins   Mercury Arc Rectifier for Charging
                                  Storage Batteries  . . . . . . . . . . . 148--149
                    L. Ramakers   The Tunnel Under the Seine River . . . . 149--150
                      Anonymous   The Size of Molecules  . . . . . . . . . 150--150
                      Anonymous   Making Valentines by the Million . . . . 152--153
                      Anonymous   The Total Solar Eclipse of 1905  . . . . 153--154
                      Anonymous   The Human Body as a Wireless Telegraph
                                  Transmitter and Receiver . . . . . . . . 154--154
                      Anonymous   A Novelty in Watch Dials . . . . . . . . 155--155
                      Anonymous   A Curious Arched Tree  . . . . . . . . . 155--155
                      Anonymous   The ``Auto-Carte'' . . . . . . . . . . . 155--155
                Thomas R. Baker   A Simple Dynamometer for School
                                  Gymnasium Testing  . . . . . . . . . . . 155--155
                      Anonymous   An Improved Rail Joint . . . . . . . . . 156--156
                      Anonymous   Wheel-Blocking Safety Device for
                                  Automobiles  . . . . . . . . . . . . . . 156--156
                      Anonymous   Business and Personal Wants  . . . . . . 158--158
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 171--171
                      Anonymous   Recently Patented Inventions . . . . . . 176--176
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 178--178
                      Anonymous   Notes and Queries  . . . . . . . . . . . 178--178
                      Anonymous   Index of Inventions  . . . . . . . . . . 178--183
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 183--183
                      Anonymous   The Ship Subsidy Bill  . . . . . . . . . 166--166
                      Anonymous   The ``Dreadnought''  . . . . . . . . . . 166--166
                      Anonymous   Evolution of Heat from Radium  . . . . . 166--166
                  Hugo De Vries   Experimental Evolution . . . . . . . . . 167--167
                      Anonymous   Science Notes  . . . . . . . . . . . . . 167--167
                   H. A. Crafts   Reinforced Concrete on the Pacific Coast 168--169
                      Anonymous   A Gravity Cable Railroad in the Swiss
                                  Alps . . . . . . . . . . . . . . . . . . 169--170
                      Anonymous   Detonation of Submarine Mines by Means
                                  of Sound Waves . . . . . . . . . . . . . 170--170
               Day Allen Willey   Sand Waves and Their Work  . . . . . . . 172--174
                      G. Luxton   An Ice Automobile  . . . . . . . . . . . 174--174
                      Anonymous   The Inhalatorium, a New Medical
                                  Institution  . . . . . . . . . . . . . . 175--175
                      Anonymous   Training Wall  . . . . . . . . . . . . . 176--176
                      Anonymous   Combination Chair and Life Preserver . . 176--176
                      Anonymous   Business and Personal Wants  . . . . . . 178--178
        
           Henry Norris Russell   The Heavens in March . . . . . . . . . . 187--187
                      Anonymous   Correspondence . . . . . . . . . . . . . 191--191
                      Anonymous   Recently Patented Inventions . . . . . . 198--199
                      Anonymous   Notes and Queries  . . . . . . . . . . . 199--200
                      Anonymous   Index of Inventions  . . . . . . . . . . 200--203
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 203--203
                      Anonymous   For a High-Level Lock Canal  . . . . . . 186--186
                      Anonymous   The Trench Method of Tunnel Construction 186--186
                      Anonymous   Distillation of Gold . . . . . . . . . . 186--186
              Ernest Archdeacon   Sixty Miles an Hour on the Water . . . . 187--187
             William M. Meacham   Hydroplane Boats: Latest Type of
                                  High-Speed Craft . . . . . . . . . . . . 188--189
                      Anonymous   A Motor Paddle Wheel for Small Boats . . 189--189
                      Anonymous   The ``Motogodille'' A Motor Device for
                                  Propelling Small Boats . . . . . . . . . 189--190
                      Anonymous   Speed and Energy Loss of Projectiles in
                                  Water  . . . . . . . . . . . . . . . . . 190--190
                      Anonymous   A Triple-Screw Motor Torpedo Boat  . . . 190--190
                      Anonymous   Light Power Boats at the Sportsmen's
                                  Show . . . . . . . . . . . . . . . . . . 191--191
                      Anonymous   A Typical Two-Cycle Marine Motor . . . . 192--192
                      Anonymous   Electric Launch with Recharging
                                  Equipment  . . . . . . . . . . . . . . . 192--192
                      Anonymous   The New ``Speedway'' Marine Engine . . . 192--192
                      Anonymous   A Sixteen-Cylinder Motor-Boat Engine of
                                  180 Horse-Power  . . . . . . . . . . . . 193--193
              Thomas J. Fay and   
                           E. E   A Serviceable Twin-Screw Motor Boat  . . 193--194
                      Anonymous   Improvements in Spark Coil Construction  194--194
                      Anonymous   Vibrationless Electric Light Sets for
                                  Yachts . . . . . . . . . . . . . . . . . 194--194
              Alfred Gradenwitz   Artificial Sea Baths . . . . . . . . . . 195--195
                      Anonymous   Count Von Zeppelin's Dirigible Airship   195--196
                  Emile Guarini   A Novel Tent . . . . . . . . . . . . . . 196--196
                      Anonymous   How Snakes Feed  . . . . . . . . . . . . 196--196
                      Anonymous   Business and Personal Wants  . . . . . . 199--199
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 9--9
                      Anonymous   Recently Patented Inventions . . . . . . 14--14
                      Anonymous   Index of Inventions  . . . . . . . . . . 14--19
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 19--19
                      Anonymous   Volcanic Activity and Radium . . . . . . 4--4
                      Anonymous   The Capture of a Live Okapi  . . . . . . 4--4
                      Anonymous   A New Blowpipe Welding Process . . . . . 4--4
                      Anonymous   The Vagaries of Wells  . . . . . . . . . 4--4
                      Anonymous   Nerve Impulses and Their Propagation . . 4--4
                      Anonymous   Statistics of Turbine-Propelled Vessels,
                                  May 1, 1906  . . . . . . . . . . . . . . 5--5
                      Anonymous   A Case of Alleged Reasoning in a Dog . . 5--5
                      Anonymous   Japanese Earthquake Theories . . . . . . 5--5
                      Anonymous   How England Disposes of Old Ships  . . . 5--5
             Frederick R. Honey   The Visible Heavens  . . . . . . . . . . 5--5
           A. Frederick Collins   An Electro-Mechanical Coin Counting and
                                  Wrapping Machine . . . . . . . . . . . . 6--6
       Charles Frederick Holder   The Tameness of Wild Animals . . . . . . 6--6
                      Anonymous   Wellman's Airship for his North Polar
                                  Expedition . . . . . . . . . . . . . . . 7--8
                      Anonymous   The Peterborough Lift-Lock of the Trent
                                  Valley Canal . . . . . . . . . . . . . . 8--8
                      Anonymous   From the Tobacco Leaf to the Cigar . . . 10--13
                      Anonymous   A Mechanical Prizefighter  . . . . . . . 13--13
                      Anonymous   An Improved Turbine  . . . . . . . . . . 13--13
                      Anonymous   Improved Rail Bond . . . . . . . . . . . 13--13
                      Anonymous   Business and Personal Wants  . . . . . . 14--14
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 175--175
                      Anonymous   Recently Patented Inventions . . . . . . 180--180
                      Anonymous   Index of Inventions  . . . . . . . . . . 180--182
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 183--183
                      Anonymous   Lack of Progress on the Manhattan Bridge 170--170
                      Anonymous   World's Record for United States Army
                                  Gun  . . . . . . . . . . . . . . . . . . 170--170
                      Anonymous   The Next Challenger for ``America's''
                                  Cup  . . . . . . . . . . . . . . . . . . 170--170
                      Anonymous   The Greatest Gem Mine in the World . . . 170--170
                      Anonymous   Adulteration of Cereal Breakfast Foods   170--170
                      Anonymous   Searching for the Real Origin of Species 171--171
                 Waldon Fawcett   A Motor Ambulance for the United States
                                  Army . . . . . . . . . . . . . . . . . . 172--172
                    Ben Winslow   Sanitation of the City of Washington.
                                  --- II . . . . . . . . . . . . . . . . . 173--174
                      Anonymous   An Office Building 612 Feet Tall --- the
                                  Loftiest Masonry Structure in the World  174--174
              S. Leonard Bastin   The Marvels of Plant Retardation . . . . 176--177
                      Anonymous   The Murray Automatic Page-Printing
                                  Telegraph --- Its History and Its
                                  Progress . . . . . . . . . . . . . . . . 178--178
                      Anonymous   Safety Stop Valve  . . . . . . . . . . . 179--179
                      Anonymous   An Improved Animal Trap  . . . . . . . . 179--179
                      Anonymous   A Portable Head Gate . . . . . . . . . . 179--179
                      Anonymous   Woodworker's Clamp . . . . . . . . . . . 179--179
                      Anonymous   Business and Personal Wants  . . . . . . 180--180
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 191--191
                      Anonymous   Recently Patented Inventions . . . . . . 197--197
                      Anonymous   Notes and Queries  . . . . . . . . . . . 198--199
                      Anonymous   Index of Inventions  . . . . . . . . . . 199--202
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 203--203
                      Anonymous   Stupendous Traffic of Greater New York   186--186
                      Anonymous   The Worst Enemy of the Good Roads
                                  Movement . . . . . . . . . . . . . . . . 186--186
                      Anonymous   Erosion --- The Last Problem for the
                                  Gunmaker . . . . . . . . . . . . . . . . 186--186
                   W. R. Gerard   The ``Virgina'' Potato . . . . . . . . . 187--187
                      Anonymous   A New Airship  . . . . . . . . . . . . . 187--187
                      Anonymous   Photograph of the ``Pennsylvania'' . . . 187--187
                      Anonymous   Road Tarring in France . . . . . . . . . 188--190
                  Thomas Parker   Hot-Water Supplies to Towns  . . . . . . 190--190
                   D. A. Willey   Gila Monsters  . . . . . . . . . . . . . 192--192
              Alfred Gradenwitz   Modern Bell Casting  . . . . . . . . . . 192--193
                      Anonymous   The Growth of Our Navy Since the War . . 194--195
                      Anonymous   A Simple Canceling Machine . . . . . . . 196--196
                      Anonymous   Support for Fire Hose  . . . . . . . . . 196--196
                      Anonymous   Implement for Plowing or Cultivating
                                  Around Trees . . . . . . . . . . . . . . 196--196
                      Anonymous   Means for Automatically Balancing
                                  Rotating Masses  . . . . . . . . . . . . 196--196
                      Anonymous   Business and Personal Wants  . . . . . . 197--197
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 211--211
                      Anonymous   Recently Patented Inventions . . . . . . 218--218
                      Anonymous   Notes and Queries  . . . . . . . . . . . 218--219
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 219--219
                      Anonymous   Index of Inventions  . . . . . . . . . . 219--223
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 223--223
                      Anonymous   Growth of American Universities  . . . . 206--206
                      Anonymous   Gasoline Engines and the Torpedo Boat    206--206
                      Anonymous   North Tube of Hudson River Tunnel
                                  Completed  . . . . . . . . . . . . . . . 206--206
                      Anonymous   Steel Passenger Cars for Trunk Railroads 206--206
                      Anonymous   James Dredge . . . . . . . . . . . . . . 206--207
                W. F. Cleveland   The Advantages of Crank Axles for
                                  Locomotives  . . . . . . . . . . . . . . 207--207
           Elizabeth C. Sprague   Investigating the Nutritive Value of
                                  Meat . . . . . . . . . . . . . . . . . . 207--207
                      Anonymous   The Alcohol Smugglers of Paris . . . . . 208--209
             Frederick R. Honey   How a Planet is Weighed  . . . . . . . . 210--210
               Day Allen Willey   The Pioneers of the Swiss Army . . . . . 212--212
                   W. D. Graves   A Peculiar Rupture . . . . . . . . . . . 213--213
                      Anonymous   A Mantel Made of Cigar Boxes . . . . . . 213--213
                   W. F. Miners   A Curious Accident to a Grain Elevator   213--213
                 Lawrence Lewis   The Minnequa Works of the Colorado Fuel
                                  and Iron Company . . . . . . . . . . . . 214--216
                      Anonymous   The Lodge--Muirhead Portable Wireless
                                  Telegraph Plant for Military Purposes    216--216
                      Anonymous   The Mathushek Piano  . . . . . . . . . . 217--217
                      Anonymous   Business and Personal Wants  . . . . . . 218--218
        
           Henry Norris Russell   The Heavens in October . . . . . . . . . 227--227
                      Anonymous   Correspondence . . . . . . . . . . . . . 231--231
                      Anonymous   Recently Patented Inventions . . . . . . 236--236
                      Anonymous   Index of Inventions  . . . . . . . . . . 236--239
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 239--239
                      Anonymous   Agriculture the True Source of our
                                  Wealth . . . . . . . . . . . . . . . . . 226--226
                      Anonymous   A Suggested Cure of Gun Erosion  . . . . 226--226
                      Anonymous   Wireless Telegraphy and Telephony in the
                                  Japanese Navy  . . . . . . . . . . . . . 226--226
                      Anonymous   The Erection of the Quebec Bridge  . . . 228--228
                Charles H. Coar   An Improved Ozone Generator  . . . . . . 229--230
                Carl L. Gruppen   A Home-Made Equatorial Mounting for
                                  Telescopes . . . . . . . . . . . . . . . 230--230
                      Anonymous   Machines in the Elimination Race for the
                                  Vanderbilt Cup . . . . . . . . . . . . . 232--234
                      Anonymous   Some Remarkable Results with
                                  Armor-Piercing Shells  . . . . . . . . . 234--234
                      Anonymous   An Improved Window Raising and Locking
                                  Device . . . . . . . . . . . . . . . . . 235--235
                      Anonymous   An Improved Cutter Head  . . . . . . . . 235--235
                      Anonymous   Business and Personal Wants  . . . . . . 236--236
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 247--247
                      Anonymous   Recently Patented Inventions . . . . . . 252--252
                      Anonymous   Index of Inventions  . . . . . . . . . . 252--255
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 255--255
                      Anonymous   Huge Proportions of the New Government
                                  Irrigation Dams  . . . . . . . . . . . . 242--242
                      Anonymous   Success of the Independent Railway Motor
                                  Car  . . . . . . . . . . . . . . . . . . 242--242
                      Anonymous   The Caliber of a Gun . . . . . . . . . . 242--242
                      Anonymous   A New Problem and Its Solution . . . . . 242--242
                      Anonymous   A New Process for the Commercial
                                  Utilization of Atmospheric Nitrogen  . . 242--243
                      Anonymous   Carbon Dioxide Pockets in France . . . . 243--243
                      Anonymous   How to Study Industrial Chemistry  . . . 243--243
                      Anonymous   Action of Radium on Organisms  . . . . . 243--243
                      Anonymous   A New Wireless Telephone . . . . . . . . 243--243
                Orrin E. Dunlap   A New 30,000-Horse-Power Plant at
                                  Niagara Falls  . . . . . . . . . . . . . 244--245
                      Anonymous   Archdeacon's Air-Propelled Motor Bicycle 245--246
                      Anonymous   Automatic Device for Turning off the Gas 246--246
              Randolph I. Geare   Masks of Classic and Modern Times, --- I 248--250
                      Anonymous   The ``R. C. Rickmers'' --- The Largest
                                  Sailing Ship Afloat  . . . . . . . . . . 250--250
                       M. Alger   The Birkeland--Eyde Process and the
                                  Artificial Production of Nitrates from
                                  the Atmosphere . . . . . . . . . . . . . 250--251
                      Anonymous   Business and Personal Wants  . . . . . . 252--252
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 263--263
                      Anonymous   Recently Patented Inventions . . . . . . 269--269
                      Anonymous   Notes and Queries  . . . . . . . . . . . 270--270
                      Anonymous   Index of Inventions  . . . . . . . . . . 270--275
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 275--275
                      Anonymous   A Forecast and Its Fulfillment . . . . . 258--258
                      Anonymous   New Method of River Tunneling  . . . . . 258--258
                      Anonymous   Growing Prosperity in Agriculture  . . . 258--258
                      Anonymous   What is the Interior Condition of the
                                  Earth? . . . . . . . . . . . . . . . . . 258--259
                      Anonymous   Results of the First International
                                  Balloon Race . . . . . . . . . . . . . . 259--259
                      Anonymous   Levavasseur's Gliding Boat . . . . . . . 259--259
                      Anonymous   Science Notes  . . . . . . . . . . . . . 259--259
              Randolph I. Geare   Masks of Classic and Modern Times --- II 260--261
               Arthur B. Turner   The Harvest Moon . . . . . . . . . . . . 262--262
                    L. H. Yates   The New Route to Ireland . . . . . . . . 262--262
                      Anonymous   The Winning Foreign Machines in the
                                  Third International Race for the
                                  Vanderbilt Cup . . . . . . . . . . . . . 263--265
                      Anonymous   The Teltow Canal . . . . . . . . . . . . 266--267
                      Anonymous   Progress of the New York Central
                                  Terminal Improvements  . . . . . . . . . 267--268
                      Anonymous   Business and Personal Wants  . . . . . . 270--270
        
                      Anonymous   Science Notes  . . . . . . . . . . . . . 279--279
                      Anonymous   Correspondence . . . . . . . . . . . . . 283--283
                      Anonymous   Recently Patented Inventions . . . . . . 289--290
                      Anonymous   Notes and Queries  . . . . . . . . . . . 290--290
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 290--290
                      Anonymous   Index of Inventions  . . . . . . . . . . 291--295
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 295--295
                      Anonymous   A 21$ 1 / 2 $-Knot Battleship  . . . . . 278--278
                      Anonymous   Completion of the Pennsylvania Double
                                  Tunnels  . . . . . . . . . . . . . . . . 278--278
                      Anonymous   Panama Canal to be Built by Contract . . 278--278
                      Anonymous   The Status of the Liquid Barretter . . . 278--279
                      Anonymous   Something about Cereal Breakfast Foods   279--279
                  Hugo Erichsen   The Need and the Testing of Pure Drugs   280--281
                      Anonymous   A Retrospect of the Vanderbilt Cup Race  281--282
              Kittredge Wheeler   The Canadian Pacific Railway Company's
                                  Irrigation Project . . . . . . . . . . . 284--285
                Obed C. Billman   An Electric Powderless, Smokeless,
                                  Flashless, and Soundless Gun . . . . . . 286--286
       Charles Frederick Holder   Photographing a Devil Fish --- The
                                  Chameleon of the Sea . . . . . . . . . . 286--288
                      Anonymous   Apparatus for Mixing Different Grades of
                                  Rice . . . . . . . . . . . . . . . . . . 288--288
                      Anonymous   A New Method of Propelling a Ship  . . . 288--288
                      Anonymous   Means for Facilitating the Cleansing of
                                  Street Catch Basins  . . . . . . . . . . 288--288
                      Anonymous   Sound Deflector for Pianos . . . . . . . 288--288
                      Anonymous   Business and Personal Wants  . . . . . . 290--290
        
           Henry Norris Russell   The Heavens in November  . . . . . . . . 299--299
                      Anonymous   Correspondence . . . . . . . . . . . . . 302--303
                      Anonymous   Recently Patented Inventions . . . . . . 309--309
                      Anonymous   Notes and Queries  . . . . . . . . . . . 309--310
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 310--310
                      Anonymous   Index of Inventions  . . . . . . . . . . 310--315
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 315--315
                      Anonymous   Our Vast Railroad System . . . . . . . . 298--298
                      Anonymous   A Brilliant Navy Yard Success  . . . . . 298--298
                      Anonymous   The Shape of the Sun . . . . . . . . . . 298--298
               Arthur Inkersley   Recovering Metals Melted in the San
                                  Francisco Fire . . . . . . . . . . . . . 299--299
                      Anonymous   Sir Richard Tangye . . . . . . . . . . . 299--299
                      Anonymous   The First International Balloon Race . . 300--301
                      Anonymous   The Battleships ``Dreadnought'' and
                                  ``South Carolina'' . . . . . . . . . . . 303--306
             C. Francis Jenkins   A Motor that Runs by Lightning . . . . . 306--306
                      Anonymous   Two Recent Fire-Fighting Inventions  . . 307--308
                      Anonymous   Motor Car for Whitewashing Railroad
                                  Tunnels  . . . . . . . . . . . . . . . . 308--308
                      Anonymous   A Huge Arched Yucca Tree . . . . . . . . 308--308
               Frank C. Perkins   A Novel Electrical Medical Treatment . . 308--308
                      Anonymous   Business and Personal Wants  . . . . . . 309--309
        
                      Anonymous   Recently Patented Inventions . . . . . . 329--329
                      Anonymous   Notes and Queries  . . . . . . . . . . . 329--330
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 330--330
                      Anonymous   Index of Inventions  . . . . . . . . . . 330--335
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 335--335
                      Anonymous   The Latest Marine Turbine Success  . . . 318--318
                      Anonymous   ``Caliber'' and ``Bore'' . . . . . . . . 318--318
                      Anonymous   The Carnegie Institution Magnetic Survey 318--318
                      Anonymous   Roads for Automobiles  . . . . . . . . . 318--318
                      Anonymous   Successful Flight of Santos Dumont's
                                  Aeroplane  . . . . . . . . . . . . . . . 318--319
           A. Frederick Collins   The International Wireless Conference    319--319
                      Anonymous   Aeronautical Notes . . . . . . . . . . . 319--319
                      Anonymous   The Current Supplement . . . . . . . . . 319--319
                      Anonymous   Manufacture of Iron in China . . . . . . 319--319
                      Anonymous   The 25$ 1 / 4 $-Knot Cunard Liner
                                  ``Mauretania'' . . . . . . . . . . . . . 320--320
               Day Allen Willey   Sugar Making in Cuba . . . . . . . . . . 321--322
                      Anonymous   The Creation of a Star . . . . . . . . . 323--324
              Walter L. Beasley   The Iona Naval Magazine --- I  . . . . . 325--326
                      Anonymous   Patent Department  . . . . . . . . . . . 327--327
                      Anonymous   Railway Signaling Device . . . . . . . . 327--327
                      Anonymous   An Improved Saw-Set  . . . . . . . . . . 327--328
                      Anonymous   Street Cleaner's Truck . . . . . . . . . 328--328
                      Anonymous   A Novel Cigar Lighter  . . . . . . . . . 328--329
                      Anonymous   Business and Personal Wants  . . . . . . 329--329
        
                      Anonymous   Recently Patented Inventions . . . . . . 350--350
                      Anonymous   Notes and Queries  . . . . . . . . . . . 351--351
                      Anonymous   Index of Inventions  . . . . . . . . . . 351--355
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 355--355
                      Anonymous   The Electric Railroad Wreck at Atlantic
                                  City . . . . . . . . . . . . . . . . . . 338--338
                      Anonymous   Single-Phase Electric Road Between
                                  Baltimore and the National Capital . . . 338--338
                      Anonymous   New Rating of the World's Fleets . . . . 338--339
                      Anonymous   A French ``Jungle''  . . . . . . . . . . 339--339
                      Anonymous   Tulare Lake Basin Again Filling Up . . . 339--339
                      Anonymous   The Current Supplement . . . . . . . . . 339--339
                      Anonymous   The New Dueling School in Paris  . . . . 340--340
                      Anonymous   Comparison of a Turbine and a
                                  Reciprocating Engine for the United
                                  States Navy  . . . . . . . . . . . . . . 340--340
              Alfred Gradenwitz   The Parseval Dirigible Airship . . . . . 341--342
           William Henry Perrin   The Story of the Discovery of the First
                                  Aniline Dye  . . . . . . . . . . . . . . 342--343
              Walter L. Beasley   The Iona Naval Magazine --- II . . . . . 343--344
            Harold J. Shepstone   Carl Hagenbeck's Novel Zoological Park   345--346
           A. Frederick Collins   A New Steel-Plate Printing and Embossing
                                  Machine  . . . . . . . . . . . . . . . . 347--347
             Isaac F. Marcosson   An Aid to Modern Business  . . . . . . . 348--349
                      Anonymous   Business and Personal Wants  . . . . . . 351--351
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 27--27
                      Anonymous   Recently Patented Inventions . . . . . . 33--34
                      Anonymous   Notes and Queries  . . . . . . . . . . . 34--36
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 36--39
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 39--40
                      Anonymous   Tunneling by the Freezing Method under
                                  the East River . . . . . . . . . . . . . 22--22
                      Anonymous   The Government as an Armor-Plate
                                  Manufacturer . . . . . . . . . . . . . . 22--22
                      Anonymous   The Canadian Commission's Report on the
                                  Electric Smelting of Iron Ores . . . . . 22--22
                      Anonymous   A New Algol Variable . . . . . . . . . . 22--23
                William H. Bale   Summer Meeting of the American
                                  Association for the Advancement of
                                  Science  . . . . . . . . . . . . . . . . 23--23
                      Anonymous   The Sense of Color in Animals  . . . . . 23--23
                      Anonymous   Science Notes  . . . . . . . . . . . . . 23--23
                   C. H. Claudy   A Machine that Smokes Cigars . . . . . . 24--24
                      Anonymous   The Galleys of Lake Nemi . . . . . . . . 25--26
         William G. Fitz Gerald   A City of Salt . . . . . . . . . . . . . 28--28
                      Anonymous   A Railroad Collision as a Form of
                                  Amusement  . . . . . . . . . . . . . . . 30--30
                      Anonymous   The Meredith Cigar-Vending Machine . . . 31--31
                      Anonymous   Brake Mechanism for Vehicles . . . . . . 31--31
                      Anonymous   An Improved Track-Sanding Device . . . . 31--31
                      Anonymous   Folding Crib . . . . . . . . . . . . . . 31--31
                      Anonymous   An Improved Parallel Ruler . . . . . . . 32--32
                      Anonymous   Oddities in Inventions . . . . . . . . . 32--32
                      Anonymous   Business and Personal Wants  . . . . . . 34--34
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 363--363
                      Anonymous   Recently Patented Inventions . . . . . . 369--369
                      Anonymous   Notes and Queries  . . . . . . . . . . . 369--370
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 370--370
                      Anonymous   Index of Inventions  . . . . . . . . . . 370--374
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 375--375
                      Anonymous   Drawbridge Protection  . . . . . . . . . 358--358
                      Anonymous   The Behr Mono-Rail in Brooklyn . . . . . 358--358
                      Anonymous   Exports and Imports Under the New
                                  Grouping . . . . . . . . . . . . . . . . 358--358
                      Anonymous   Cape to Cairo by Rail, River, and Lake   358--359
                      Anonymous   Peary's ``Farthest North'' . . . . . . . 359--359
                      Anonymous   Breakfast Foods  . . . . . . . . . . . . 359--359
                      Anonymous   The Current Supplement . . . . . . . . . 359--359
                      Anonymous   The Number of Words and Letters in the
                                  Bible  . . . . . . . . . . . . . . . . . 359--359
            Harold J. Shepstone   A Prehistoric Burial Ground  . . . . . . 360--361
                      Anonymous   The Cape to Cairo Railroad . . . . . . . 361--362
                      Anonymous   Progress of Aeronautics in France  . . . 363--364
              W. G. Fitz Gerald   The Turtle Trade of the West Indies  . . 365--366
                George J. Jones   Unveiling Statues by Electricity . . . . 366--366
                      Anonymous   A New Remedy for Seasickness . . . . . . 367--367
                      Anonymous   A Gasoline-Propelled Road Roller . . . . 367--367
                      Anonymous   An Ox-Shoeing Shop in the Woods  . . . . 367--367
                      Anonymous   Novel Door Hinge and Check . . . . . . . 368--368
                      Anonymous   An Improved Milking Machine  . . . . . . 368--368
                      Anonymous   Business and Personal Wants  . . . . . . 369--369
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 382--382
                      Anonymous   Recently Patented Inventions . . . . . . 389--389
                      Anonymous   Notes and Queries  . . . . . . . . . . . 390--390
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 390--390
                      Anonymous   Index of Inventions  . . . . . . . . . . 390--395
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 395--395
                      Anonymous   The Congestion at the Patent Office  . . 378--378
                      Anonymous   Extraordinary Conditions in the Steel
                                  Industry . . . . . . . . . . . . . . . . 378--378
                      Anonymous   Growth of the Salton Sea Arrested  . . . 378--378
                      Anonymous   Gun Trials of the ``Dreadnought''  . . . 378--378
                      Anonymous   The Size of Ocean Waves  . . . . . . . . 378--378
                      Anonymous   Progress of the Pennsylvania East River
                                  Tunnels  . . . . . . . . . . . . . . . . 378--378
                      Anonymous   Santos Dumont's Latest Flight  . . . . . 378--379
              Helen Lukens Gaut   What Do the Birds Eat? . . . . . . . . . 379--379
                      Anonymous   Science Notes  . . . . . . . . . . . . . 379--379
                George J. Jones   Cooking without Fire . . . . . . . . . . 380--380
                Gustave Michaud   A Curious Chemical Experiment  . . . . . 380--380
                      Anonymous   A New Apparatus for the Coaling of
                                  Warships . . . . . . . . . . . . . . . . 381--381
                      Anonymous   Blasting Out a Reef in New York Harbor   382--382
              Frederic R. Honey   The Opposition of Mars in 1907 . . . . . 383--383
                      Anonymous   Railway Accidents and Surgery  . . . . . 383--385
               Day Allen Willey   Effects of the Recent Hurricane at
                                  Mobile . . . . . . . . . . . . . . . . . 385--386
              Alfred Gradenwitz   Soft Crystals Showing Apparent Life  . . 387--387
                      Anonymous   A Unique Non-Refillable Bottle . . . . . 388--388
                      Anonymous   An Improved Try-Square . . . . . . . . . 388--388
                      Anonymous   Safety Can Lifter  . . . . . . . . . . . 388--388
                      Anonymous   Business and Personal Wants  . . . . . . 390--390
        
           Henry Norris Russell   The Heavens in December  . . . . . . . . 399--399
                      Anonymous   Recently Patented Inventions . . . . . . 409--409
                      Anonymous   Notes and Queries  . . . . . . . . . . . 409--410
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 410--411
                      Anonymous   Index of Inventions  . . . . . . . . . . 411--415
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 415--415
                      Anonymous   The President at Panama  . . . . . . . . 398--398
                      Anonymous   Japan Launches a Larger ``Dreadnought''  398--398
                      Anonymous   Recent Aeronautic Experiments in France  398--398
                      Anonymous   English Aeroplane Prizes . . . . . . . . 398--398
                      Anonymous   Peat in Italy  . . . . . . . . . . . . . 399--399
                      Anonymous   The First Machine for the Commercial
                                  Production of Window Glass by the Sheet
                                  Process  . . . . . . . . . . . . . . . . 400--400
                      Anonymous   The Interior Construction of a Piano
                                  Player . . . . . . . . . . . . . . . . . 401--403
                      Anonymous   Present Conditions at Panama . . . . . . 403--405
                      Anonymous   Beautifying the Roadbed by Sodding . . . 406--406
                      Anonymous   The Ancestors of the Elephant  . . . . . 406--407
                      Anonymous   Patent Department  . . . . . . . . . . . 408--408
                      Anonymous   An Improved Tie-Bar  . . . . . . . . . . 408--408
                      Anonymous   Pollen-Collecting Device . . . . . . . . 408--408
                      Anonymous   Business and Personal Wants  . . . . . . 409--409
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 426--426
                      Anonymous   Recently Patented Inventions . . . . . . 433--433
                      Anonymous   Notes and Queries  . . . . . . . . . . . 433--433
                      Anonymous   Index of Inventions  . . . . . . . . . . 434--439
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 439--439
                      Anonymous   Bridging the Hudson River  . . . . . . . 418--418
                      Anonymous   Safeguards for the Panama Canal Locks    418--418
                      Anonymous   Airships in the French Army  . . . . . . 418--419
                William H. Hale   National Academy of Sciences . . . . . . 419--419
                  H. R. Christy   Points about Needles . . . . . . . . . . 419--419
                  Jacques Boyer   The Pharmaceutical Industry of France    420--423
                      Anonymous   The De Pluvy Diving Dress  . . . . . . . 423--423
                      Anonymous   Some Novel Electric Labor-Saving Devices 424--424
               Day Allen Willey   A Pocket-Knife Artist  . . . . . . . . . 425--425
                      Anonymous   Oceanographic Museum of Monaco . . . . . 427--427
                       C. Field   Weapons Weird and Wonderful  . . . . . . 428--430
              Alfred Gradenwitz   The Microphotoscope --- an Apparatus for
                                  Examining Minute Maps  . . . . . . . . . 430--430
                  B. S. Bowdish   Birds of an Ocean Island . . . . . . . . 431--432
                      Anonymous   Business and Personal Wants  . . . . . . 433--433
                      Anonymous   The Progress of the Hollow Concrete
                                  Block Industry . . . . . . . . . . . . . 433--433
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 446--447
                      Anonymous   Recently Patented Inventions . . . . . . 453--454
                      Anonymous   Notes and Queries  . . . . . . . . . . . 454--454
                      Anonymous   Index of Inventions  . . . . . . . . . . 454--458
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 459--459
                      Anonymous   Genesis of the First Successful
                                  Aeroplane  . . . . . . . . . . . . . . . 442--442
                      Anonymous   The Seventh Annual Show of the
                                  Automobile Club of America . . . . . . . 442--443
                      Anonymous   The Patent Office in 1906  . . . . . . . 443--443
                      Anonymous   The Current Supplement . . . . . . . . . 443--443
           Stuart Stevens Scott   Righting a Capsized Lighthouse Caisson   444--444
                Robert Grimshaw   Automatic Apparatus for Selling Postage
                                  Stamps, Post Cards, and Newspapers . . . 445--446
                   Mary Proctor   Total Eclipse of the Sun in January,
                                  1907 . . . . . . . . . . . . . . . . . . 446--446
                      Anonymous   The Motive Power of a 25 $ 1 / 4 $ Knots
                                  Liner  . . . . . . . . . . . . . . . . . 447--447
                      Anonymous   The Second Annual Exhibition of the Aero
                                  Club of America  . . . . . . . . . . . . 447--449
           A. Frederick Collins   The Poulsen Selective System of Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 450--450
                     G. G. Copp   A Disease Which Threatens the American
                                  Chestnut Tree  . . . . . . . . . . . . . 451--451
                      Anonymous   Patent Department  . . . . . . . . . . . 452--452
                      Anonymous   Gage for Marking Window Casements  . . . 452--452
                      Anonymous   A Collapsible Ash-Pan  . . . . . . . . . 452--452
                      Anonymous   An Improved Hand Camera  . . . . . . . . 452--453
                      Anonymous   Business and Personal Wants  . . . . . . 454--454
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 467--467
                      Anonymous   Recently Patented Inventions . . . . . . 473--473
                      Anonymous   Notes and Queries  . . . . . . . . . . . 473--474
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 475--475
                      Anonymous   Index of Inventions  . . . . . . . . . . 475--479
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 476--479
                      Anonymous   Plans of our 20,000-Ton Battleship . . . 462--462
                      Anonymous   Sandy Hook Coast Defenses  . . . . . . . 462--463
               Randolph Bolling   Notes on Recharging Oxygen Gas Tanks . . 463--463
                      Anonymous   Long-Distance Ocean Race for Motor Boats 463--463
                      Anonymous   Science Notes  . . . . . . . . . . . . . 463--463
                      Anonymous   Opening of the New Grand Central
                                  Temporary Station  . . . . . . . . . . . 463--463
              Herrmann Albrecht   The German Marine Research Boat
                                  ``Planet'' . . . . . . . . . . . . . . . 464--465
                      Anonymous   The Rebuilding of the Campanile at
                                  Venice . . . . . . . . . . . . . . . . . 465--466
                      Anonymous   Controlling the Colorado River and
                                  Salton Sea . . . . . . . . . . . . . . . 467--469
                      Anonymous   Recent Airship and Aeroplane Experiments
                                  in Europe  . . . . . . . . . . . . . . . 470--472
                      Anonymous   A New Hand-Propelled Automobile for
                                  Children . . . . . . . . . . . . . . . . 472--472
                      Anonymous   A New Form of Railway Rolling Stock
                                  Construction . . . . . . . . . . . . . . 472--472
                      Anonymous   Lubricator for Steam Engine Cylinders    472--472
                      Anonymous   Business and Personal Wants  . . . . . . 473--473
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 487--487
                      Anonymous   Recently Patented Inventions . . . . . . 492--492
                      Anonymous   Notes and Queries  . . . . . . . . . . . 493--493
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 493--493
                      Anonymous   Index of Inventions  . . . . . . . . . . 493--498
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 499--499
                      Anonymous   Present Condition of the New York
                                  Tunnels  . . . . . . . . . . . . . . . . 482--482
                      Anonymous   The President's Message on the Panama
                                  Canal  . . . . . . . . . . . . . . . . . 482--482
                      Anonymous   Catechism of a Scientist . . . . . . . . 483--483
                Marous Benjamin   William Henry Welch  . . . . . . . . . . 483--483
                      Anonymous   The ``Unilens'' a Novel Form of
                                  Telescope  . . . . . . . . . . . . . . . 484--484
                  Jacques Boyer   The New Lusol Lamp . . . . . . . . . . . 484--485
               Paul H. Woodruff   A Simple Experimental Dynamo . . . . . . 485--486
                      Anonymous   The Solution of New York's
                                  transportation problem . . . . . . . . . 486--486
                 Waldon Fawcett   The Apparatus of the United States
                                  Life-Saving Service  . . . . . . . . . . 488--489
                      Anonymous   Increasing the Power of a Talking
                                  Machine by Means of Compressed Air . . . 490--490
                  Percy Collins   Eye-Spotting in Nature . . . . . . . . . 490--492
                      Anonymous   Business and Personal Wants  . . . . . . 493--493
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 47--47
                      Anonymous   Recently Patented Inventions . . . . . . 53--53
                      Anonymous   Notes and Queries  . . . . . . . . . . . 53--55
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 55--56
                      Anonymous   Index of Inventions  . . . . . . . . . . 56--59
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 59--59
                      Anonymous   Reclamation of Marsh Lands in the South  42--42
                      Anonymous   Automobile Racing and Touring in France
                                  and America  . . . . . . . . . . . . . . 42--43
                      Anonymous   An Electric Examination of European
                                  Mineral Water  . . . . . . . . . . . . . 43--43
                      Anonymous   A Kerosene-Oil Lamp  . . . . . . . . . . 43--43
                      Anonymous   Industrial Alcohol: How it is Made and
                                  How it is Used . . . . . . . . . . . . . 43--43
                      Anonymous   An Advance in Steam Engine Design  . . . 44--44
                      Anonymous   An Improved Light-Weight Ignition
                                  Storage Battery  . . . . . . . . . . . . 44--44
                      Anonymous   A New Adjustable Float-Feed Carbureter
                                  for Use with Gasoline or Alcohol . . . . 44--44
               Day Allen Willey   The Enlargement of the Erie Canal  . . . 45--46
              J. B. Van Brussel   The New Japanese Battleships ``Katori''
                                  and ``Kishima''  . . . . . . . . . . . . 47--48
                 Waldon Fawcett   New Sources of Gold  . . . . . . . . . . 49--50
                      Anonymous   The Fighting Tribes of Southern Africa   50--52
                      Anonymous   An Improved Valve  . . . . . . . . . . . 52--52
                      Anonymous   An Automatic Depression Recorder for the
                                  Scientific Control of Ventilation in
                                  Mines  . . . . . . . . . . . . . . . . . 52--52
                      Anonymous   Business and Personal Wants  . . . . . . 53--53
        
           Henry Norris Russell   The Heavens in August  . . . . . . . . . 63--63
                      Anonymous   Correspondence . . . . . . . . . . . . . 67--67
                      Anonymous   Recently Patented Inventions . . . . . . 72--72
                      Anonymous   Notes and Queries  . . . . . . . . . . . 72--72
                      Anonymous   Index of Inventions  . . . . . . . . . . 72--75
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 75--75
                      Anonymous   English Cars in Railroad Wrecks  . . . . 62--62
                      Anonymous   Early Opening of New York Central
                                  Electric Service . . . . . . . . . . . . 62--62
                      Anonymous   The First Foreign Salute of the American
                                  Flag . . . . . . . . . . . . . . . . . . 62--62
                      Anonymous   The Production of Precious Stones in
                                  1905 . . . . . . . . . . . . . . . . . . 62--62
                      Anonymous   The Original Selden Gasoline Automobile
                                  and Its Bearing on the Patent Litigation 63--63
           Lindon W. Bates, Jr.   Galveston --- a City Built Upon Sand . . 64--64
                      Anonymous   The Winning Car of the Grand Prix, and
                                  the New Detachable Rim . . . . . . . . . 65--66
                H. J. Shepstone   A One-Hundred-and-Fifty-Ton Electric
                                  Crane  . . . . . . . . . . . . . . . . . 67--67
                 William Mayner   Model Municipal Slaughtering
                                  Establishment at Berlin --- a Lesson in
                                  Sanitary Meat Dressing . . . . . . . . . 68--69
             J. Mayne Baltimore   A Monster Shark Captured . . . . . . . . 70--70
           A. Frederick Collins   The Flaming Arc Light  . . . . . . . . . 70--71
                      Anonymous   Proposed System of Guard Rails for the
                                  Subway . . . . . . . . . . . . . . . . . 71--71
                      Anonymous   Business and Personal Wants  . . . . . . 72--72
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 83--83
                      Anonymous   Recently Patented Inventions . . . . . . 88--88
                      Anonymous   Index of Inventions  . . . . . . . . . . 88--91
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 91--91
                      Anonymous   Railway Block Signal Legislation . . . . 78--78
                      Anonymous   The Risk of Locks in Flight  . . . . . . 78--78
                      Anonymous   The Thickness of the Earth's Crust . . . 78--78
                      Anonymous   Botany Up to Date  . . . . . . . . . . . 79--79
                      Anonymous   New Sulphur Process for the Preservation
                                  of Wood  . . . . . . . . . . . . . . . . 79--79
                      Anonymous   Bolometric Measurements in Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 79--79
               Day Allen Willey   The Sulphur Mines of Louisiana . . . . . 80--81
                      Anonymous   A Railroad Coach Constructed in Forty
                                  Hours  . . . . . . . . . . . . . . . . . 81--81
                      Anonymous   Recently Completed Battleship
                                  ``Nebraska'' . . . . . . . . . . . . . . 82--82
                      Anonymous   Our Latest Battleships, ``South
                                  Carolina'' and ``Michigan''  . . . . . . 82--83
                      Anonymous   Tunneling the East River . . . . . . . . 83--85
                 Weldon Fawcett   An Automobile for Rural Free Delivery    86--86
           A. Frederick Collins   A Mechanical Electro-Plating Apparatus   86--87
                      Anonymous   Business and Personal Wants  . . . . . . 88--88
        
                      Anonymous   Recently Patented Inventions . . . . . . 104--104
                      Anonymous   Index of Inventions  . . . . . . . . . . 104--107
                      Anonymous   Patents  . . . . . . . . . . . . . . . . 107--107
                      Anonymous   Pushing a Good Principle too Far . . . . 94--94
                      Anonymous   Fuel and Water Consumption on the
                                  ``Lusitania''  . . . . . . . . . . . . . 94--94
                      Anonymous   Canals as Rate Regulators  . . . . . . . 94--94
                      Anonymous   With the Baltic Fleet at Tsushima  . . . 94--95
                      Anonymous   Poisonous Eggs . . . . . . . . . . . . . 95--95
                      Anonymous   What the Glidden Tour Proved . . . . . . 95--95
                      Anonymous   The Color of Water . . . . . . . . . . . 95--95
            A. Frederic Collins   A New Sensitive Micro-Electroscope . . . 96--96
              Alfred Gradenwitz   Electric Heating Fabrics . . . . . . . . 96--96
                      Anonymous   Novel Commercial Vehicles in the Recent
                                  French Test  . . . . . . . . . . . . . . 97--98
              Frederic R. Honey   How Eclipses Occur . . . . . . . . . . . 98--98
                      Anonymous   The Magic Sphere . . . . . . . . . . . . 99--99
                 Edward W. Byrn   The Museum of Patent Office Models . . . 100--102
                  B. S. Bowdish   The Modern Taxidermist and His Art . . . 102--103
                      Anonymous   Business and Personal Wants  . . . . . . 104--104
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 115--115
                      Anonymous   Recently Patented Inventions . . . . . . 120--122
                      Anonymous   Notes and Queries  . . . . . . . . . . . 122--122
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 122--122
                      Anonymous   Index of Inventions  . . . . . . . . . . 122--127
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 127--127
                      Anonymous   Disappearing England . . . . . . . . . . 110--110
                      Anonymous   Aftermath of the San Francisco Fire  . . 110--110
                      Anonymous   Prof. See's Investigation of the Earth's
                                  Rigidity . . . . . . . . . . . . . . . . 110--110
                      Anonymous   Discoveries in the Sargasso Sea  . . . . 110--111
                Edgar L. Larkin   Electricity and Matter in a Gaseous
                                  State  . . . . . . . . . . . . . . . . . 111--111
                      Anonymous   The Descent of Man . . . . . . . . . . . 111--111
                      Anonymous   The Death of Daniel B. Wesson  . . . . . 111--111
                      Anonymous   The Race for the King's Cup  . . . . . . 112--112
                    W. N. Smith   The Electric Car Equipment of the Long
                                  Island Railroad  . . . . . . . . . . . . 113--114
                      Anonymous   Recent Aeroplanes and Airships in France 116--117
                      Anonymous   Patent Department  . . . . . . . . . . . 118--118
                      Anonymous   Automatic Door Opening and Closing
                                  Device . . . . . . . . . . . . . . . . . 118--118
                      Anonymous   Car Door Fastener  . . . . . . . . . . . 118--118
                      Anonymous   Non-Refillable Bottle  . . . . . . . . . 118--118
                      Anonymous   Hydraulic Apparatus for Cane Mills . . . 118--119
                      Anonymous   A Novel Tobacco Pipe . . . . . . . . . . 119--119
                      Anonymous   Anchor for Airships  . . . . . . . . . . 119--119
                      Anonymous   An Improved Trolley  . . . . . . . . . . 119--119
                      Anonymous   Business and Personal Wants  . . . . . . 122--122
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 135--135
                      Anonymous   Recently Patented Inventions . . . . . . 141--142
                      Anonymous   Notes and Queries  . . . . . . . . . . . 143--143
                      Anonymous   Index of Inventions  . . . . . . . . . . 143--147
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 147--148
                      Anonymous   Concrete and Crushed Rock  . . . . . . . 130--130
                      Anonymous   Elevation of Outer Rail on Curves  . . . 130--130
                      Anonymous   British Merchant Marine and the Commerce
                                  Destroyer  . . . . . . . . . . . . . . . 130--130
                      Anonymous   The Effect of the Sea Upon Climate . . . 130--131
                Charles Stirrup   Wanted: Brains to Dissect  . . . . . . . 131--131
                      Anonymous   A Severe Earthquake in South America . . 131--131
                      Anonymous   The Nickel Ore Mines of Canada . . . . . 131--131
                   C. H. Claudy   New Asteroid Camera at the Naval
                                  Observatory  . . . . . . . . . . . . . . 132--133
                      Anonymous   Finishing Touches to the New Croton
                                  Reservoir  . . . . . . . . . . . . . . . 133--134
                Baron K. Takaki   Japanese Military Sanitation and Hygiene 136--138
                      Anonymous   The British Battleship ``Dreadnought''   138--138
                   F R. Houssay   A Wheel Which Carries Its Own Track  . . 139--139
                      Anonymous   An Automatic Street Sweeper and
                                  Sprinkler  . . . . . . . . . . . . . . . 139--139
                      Anonymous   Improved Vehicle Spring  . . . . . . . . 140--140
                      Anonymous   Car Axle and Wheel . . . . . . . . . . . 140--140
                      Anonymous   Check Attachment for Pulleys and Chocks  140--140
                      Anonymous   Ore Stamp Mill . . . . . . . . . . . . . 140--140
                      Anonymous   Business and Personal Wants  . . . . . . 143--143
        
           Henry Norris Russell   The Heavens in September . . . . . . . . 151--151
                      Anonymous   Correspondence . . . . . . . . . . . . . 154--154
                      Anonymous   Recently Patented Inventions . . . . . . 161--161
                      Anonymous   Notes and Queries  . . . . . . . . . . . 161--162
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 162--162
                      Anonymous   Index of Inventions  . . . . . . . . . . 162--167
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 167--167
                      Anonymous   Air Resistance of Electric Cars  . . . . 150--150
                      Anonymous   Growth of the Hudson River Steamboat . . 150--150
                      Anonymous   Cement Bases for Wooden Telegraph Poles  150--151
                      Anonymous   The use of Clay Cones in Steel Heating   151--151
                      Anonymous   ``Galvanizing'' with Zinc-Aluminium
                                  Alloy  . . . . . . . . . . . . . . . . . 151--152
                    Ben Winslow   Sanitation of the City of Washington ---
                                  I  . . . . . . . . . . . . . . . . . . . 152--153
                      Anonymous   Review of the Atlantic Fleet by the
                                  President  . . . . . . . . . . . . . . . 155--156
                      Anonymous   Wreck of the Duluth--Superior Drawbridge 156--156
                   C. C. Fuller   Brick and Tile Making in the Tropics . . 157--158
                      Anonymous   The Screw-Propelled Swimmer  . . . . . . 158--158
              Alfred Gradenwitz   The Kromarograph --- an Automatic
                                  Music-Recording Apparatus  . . . . . . . 159--159
                      Anonymous   An Improved Puff Box . . . . . . . . . . 159--159
                W. F. Cleveland   A New Type of Sixty-Foot Summit Level
                                  Canal for Panama . . . . . . . . . . . . 160--160
                      Anonymous   Business and Personal Wants  . . . . . . 161--161
        
           Henry Norris Russell   The Heavens in January . . . . . . . . . 9--9
                      Anonymous   Recently Patented Inventions . . . . . . 14--14
                      Anonymous   Notes and Queries  . . . . . . . . . . . 14--15
                      Anonymous   Index of Inventions  . . . . . . . . . . 15--19
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 19--19
                      Anonymous   Review of the Year 1906  . . . . . . . . 4--5
                    L. Ramakers   An Interesting Process for Avoiding
                                  Sponginess in Heavy Steel Castings . . . 6--6
                      Anonymous   Speed Trials of the Battleship
                                  ``Vermont''  . . . . . . . . . . . . . . 7--8
                   L. A. Hawkes   The Manufacture of Steel Pens  . . . . . 10--12
                      Anonymous   A Church Blown up by Natural Gas . . . . 12--13
                      Anonymous   A Novel Door Lock  . . . . . . . . . . . 13--13
                      Anonymous   Hand-Operated Shaper . . . . . . . . . . 13--13
                      Anonymous   Wheel-Flange Oiler . . . . . . . . . . . 13--13
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 211--211
                      Anonymous   Recently Patented Inventions . . . . . . 217--217
                      Anonymous   Notes and Queries  . . . . . . . . . . . 217--218
                      Anonymous   Index of Inventions  . . . . . . . . . . 218--223
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 223--223
                      Anonymous   Army Engineers will Build Panama Canal   206--206
                      Anonymous   Side-Door Cars and Rapid Transit . . . . 206--206
                      Anonymous   Government Test of Submarines  . . . . . 206--206
                      Anonymous   New York Central Six-Track Subway  . . . 206--206
                      Anonymous   Bridging the Hudson River  . . . . . . . 206--206
                      Anonymous   Orson Desaix Munn  . . . . . . . . . . . 207--207
                      Anonymous   Kites in Life-Saving Operations  . . . . 207--207
                 William Mayner   A High-Speed Bavarian Locomotive . . . . 208--209
               James J. M'Curdy   The Passing of American Square-Rigged
                                  Vessels  . . . . . . . . . . . . . . . . 209--210
                      Anonymous   The Telharmonium --- an Apparatus for
                                  the Electrical Generation and
                                  Transmission of Music  . . . . . . . . . 210--211
                      Anonymous   The Opium Industry . . . . . . . . . . . 212--213
                      Anonymous   The Uviol Lamp . . . . . . . . . . . . . 214--214
                      Anonymous   Modern Use of an Ancient Invention . . . 215--215
                      Anonymous   Improved Cable-Cutting Device  . . . . . 215--215
                      Anonymous   Anchoring Device for Posts . . . . . . . 215--215
                      Anonymous   A Novel Steam Trap . . . . . . . . . . . 215--216
                      Anonymous   Oddities in Invention  . . . . . . . . . 216--216
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 231--231
                      Anonymous   Recently Patented Inventions . . . . . . 237--238
                      Anonymous   Notes and Queries  . . . . . . . . . . . 238--239
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 239--239
                      Anonymous   Index of Inventions  . . . . . . . . . . 239--243
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 243--243
                      Anonymous   Government Investigation of Rail Road
                                  Accidents  . . . . . . . . . . . . . . . 226--226
                      Anonymous   Comparative Economy of Producer Gas and
                                  Steam  . . . . . . . . . . . . . . . . . 226--226
                      Anonymous   Progress on the Erie Canal . . . . . . . 226--226
                      Anonymous   Completion of the Second Tube to
                                  Brooklyn . . . . . . . . . . . . . . . . 226--226
                      Anonymous   Preservation of Steel Work in Tall
                                  Buildings  . . . . . . . . . . . . . . . 226--227
               Day Allen Willey   Glasgow and Municipal Ownership  . . . . 227--227
                      Anonymous   The Current Supplement . . . . . . . . . 227--227
                      Anonymous   Science Notes  . . . . . . . . . . . . . 227--227
                  Jacques Boyer   Making Artificial Flowers  . . . . . . . 228--230
              Frederic R. Honey   How to Study a Star Map  . . . . . . . . 230--231
                      Anonymous   A Hydraulic Air-Compressing Plant  . . . 231--231
                      Anonymous   Wooden Cars in a Railroad Wreck  . . . . 232--232
                    H. D. Jones   Tablet Writings from the Ruins of Nippur 232--234
           A. Frederick Collins   Carborundum and Silicon Detectors for
                                  Wireless Telegraphy  . . . . . . . . . . 234--234
              Alfred Gradenwitz   Leduc's Artificial Plants and Cells  . . 234--236
                Gustave Michaud   An Experiment in Acoustics . . . . . . . 236--236
                      Anonymous   Special Camera for Copying and Enlarging 236--237
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 251--251
                      Anonymous   Recently Patented Inventions . . . . . . 257--258
                      Anonymous   Notes and Queries  . . . . . . . . . . . 258--258
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 258--259
                      Anonymous   Index of Inventions  . . . . . . . . . . 259--263
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 263--263
                      Anonymous   Architectural Improvement of New York
                                  City . . . . . . . . . . . . . . . . . . 246--246
                      Anonymous   The Demand for Technically Qualified
                                  Young Men  . . . . . . . . . . . . . . . 246--246
                      Anonymous   The ``Jena'' Disaster and Stable
                                  Gunpowders . . . . . . . . . . . . . . . 246--246
                      Anonymous   Cohesive Fireproof Tile Construction . . 246--247
              Charles A. Sidman   International Maritime Exposition
                                  Commemorating Anniversary of Steam
                                  Navigation in Bordeaux, France . . . . . 247--247
                      Anonymous   Burchell's Zebra . . . . . . . . . . . . 247--247
                      Anonymous   The Current Supplement . . . . . . . . . 247--247
                      Anonymous   An Alcohol-Acetylene Mixture for
                                  Internal-Combustion Engines  . . . . . . 248--248
              W. G. Fitz-Gerald   Latest Designs of the Motor in Warfare   249--250
                      Anonymous   How Compressed Air Raised a Sunken Ship.
                                  The Remarkable Salving of the Steamship
                                  ``Bavarian'' . . . . . . . . . . . . . . 250--250
                      Anonymous   Controlling Torpedoes by Wireless
                                  Telegraphy . . . . . . . . . . . . . . . 250--250
              Alfred Gradenwitz   An Interesting German Flying Machine . . 252--253
                  Jacques Boyer   The Story of a Silk Hat  . . . . . . . . 253--254
                      Anonymous   Autogenous Welding with the
                                  Oxy-Acetylene High-Pressure Blowpipe . . 255--255
                      Anonymous   The Aero Club Dinner . . . . . . . . . . 256--256
                      Anonymous   Steam Trap with Water Meter Attachment   256--256
                      Anonymous   Filter for Coffee Pots . . . . . . . . . 256--256
        
           Henry Norris Russell   The Heavens in April . . . . . . . . . . 267--267
                      Anonymous   Correspondence . . . . . . . . . . . . . 271--271
                      Anonymous   Recently Patented Inventions . . . . . . 277--278
                      Anonymous   Notes and Queries  . . . . . . . . . . . 278--279
                      Anonymous   Index of Inventions  . . . . . . . . . . 279--283
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 283--283
                      Anonymous   A City of Towers . . . . . . . . . . . . 266--266
                      Anonymous   Naval Marksmanship . . . . . . . . . . . 266--266
                      Anonymous   Electric Traction Vindicated . . . . . . 266--266
                      Anonymous   Metallic Sodium as a Conductor for
                                  Electric Currents  . . . . . . . . . . . 266--266
                      Anonymous   The Death of Pierre Berthelot  . . . . . 267--267
                      Anonymous   The Gasoline Motor in Shallow-Draft
                                  Vessels  . . . . . . . . . . . . . . . . 268--268
                      Anonymous   New French Aeroplanes  . . . . . . . . . 269--270
                Gustave Michaud   An Optical Illusion  . . . . . . . . . . 270--270
                      Anonymous   A Twentieth Century Campanile  . . . . . 270--270
                     Enos Brown   Excavations at Naga-Ed-Der, Where
                                  Prehistoric Man First Settled in Egypt   272--273
                      Anonymous   A New High-Speed Photographic Shutter    274--274
                      Anonymous   Dish Drainer . . . . . . . . . . . . . . 275--275
                      Anonymous   An Improved Concrete Wall Construction   275--275
                      Anonymous   A Novel Flag Holder  . . . . . . . . . . 275--275
                      Anonymous   A New Rifle Sight  . . . . . . . . . . . 275--275
                      Anonymous   Carpet Stretcher . . . . . . . . . . . . 275--276
                      Anonymous   Safety Cock  . . . . . . . . . . . . . . 276--276
                      Anonymous   Electric Gas-Lighter for Acetylene
                                  Automobile Lamps . . . . . . . . . . . . 276--276
                      Anonymous   An Improved Bit Brace  . . . . . . . . . 276--276
                      Anonymous   Oddities in Inventions . . . . . . . . . 276--276
        
                      Anonymous   Recently Patented Inventions . . . . . . 297--298
                      Anonymous   Notes and Queries  . . . . . . . . . . . 298--298
                      Anonymous   Index of Inventions  . . . . . . . . . . 298--303
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 303--303
                      Anonymous   The \booktitleScientific American Gold
                                  Medal for Safety Devices . . . . . . . . 286--286
                      Anonymous   Theory and Practice  . . . . . . . . . . 286--286
                      Anonymous   The Four-Day Liner . . . . . . . . . . . 286--286
                      Anonymous   Three Months of Denatured Alcohol  . . . 286--287
                      Anonymous   The Evaporation of Solid Metals and
                                  their Compounds  . . . . . . . . . . . . 287--287
                      Anonymous   The Current Supplement . . . . . . . . . 287--287
                      Anonymous   A Great Ice Jam on the Susquehanna River 288--288
                      Anonymous   A Time-Controlled Phonograph . . . . . . 289--289
                      Anonymous   A Combined Sleeper and Chair Car . . . . 289--289
                 Edward G. Gage   The Construction of a Magnetic Detector  290--291
                      Anonymous   A Continuous Variable-Speed System of
                                  Rapid Transit  . . . . . . . . . . . . . 291--292
                     F. P. Lotz   How Church Bells are Cast  . . . . . . . 292--293
                    E. J. Banks   A Babylonian Vase Inlaid with Ivory and
                                  Precious Stones Dating from 4500 B.C.    294--294
           A. Frederick Collins   The Gyroscope as a Compass . . . . . . . 294--295
                    L. Ramakers   An Unsinkable Motor Lifeboat . . . . . . 295--295
         Katherine Louise Smith   A Lecture Room on a Railroad Train . . . 295--296
              Alfred Gradenwitz   A Wire Rope Railway Used in the
                                  Construction of an Italian Fortress  . . 296--297
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 310--311
                      Anonymous   Recently Patented Inventions . . . . . . 317--318
                      Anonymous   Notes and Queries  . . . . . . . . . . . 318--319
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 319--319
                      Anonymous   Index of Inventions  . . . . . . . . . . 319--323
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 323--323
                      Anonymous   Electrolysis in Armored Concrete . . . . 306--306
                      Anonymous   In Touch with the Conditions . . . . . . 306--306
                      Anonymous   A New Theory of Gun Erosion  . . . . . . 306--307
                      Anonymous   The Value of the Nile Barrages to Egypt  307--307
                      Allen Day   Seal Hunting on the Ice Floes of the
                                  North  . . . . . . . . . . . . . . . . . 308--308
                   H. L. Wilson   The North Carolina--Virginia Inland
                                  Waterway . . . . . . . . . . . . . . . . 309--310
                      Anonymous   Branch Railways by the Telpherage System 311--312
               Day Allen Willey   The Carnegie Technical Schools,
                                  Pittsburgh, Pa . . . . . . . . . . . . . 313--314
                      Anonymous   Capt. Ferber's Aeroplane Experiments . . 315--315
                      Anonymous   Adjustable Boring Tool . . . . . . . . . 316--316
                      Anonymous   Lubricator for Street Railway Motors . . 316--316
                      Anonymous   Screw Driver with a Centering Device . . 316--316
                      Anonymous   Armored-Concrete Railway Tie . . . . . . 316--316
                      Anonymous   Stanchion for Cattle . . . . . . . . . . 316--317
                      Anonymous   Recording Auto Speed Meter . . . . . . . 317--317
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 331--331
                      Anonymous   Recently Patented Inventions . . . . . . 337--338
                      Anonymous   Notes and Queries  . . . . . . . . . . . 338--338
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 338--338
                      Anonymous   Index of Inventions  . . . . . . . . . . 338--343
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 343--343
                      Anonymous   The \booktitleScientific American
                                  Aeronautic Trophy  . . . . . . . . . . . 326--326
                      Anonymous   Broken Rails and Railroad Accidents  . . 326--326
                      Anonymous   The Cruiser of the Future  . . . . . . . 326--326
                      Anonymous   Sustained Electric Oscillations  . . . . 326--327
                   H. C. Dinger   Advantages of Turbine Propulsion for
                                  Battleships  . . . . . . . . . . . . . . 327--327
              W. G. Fitz-Gerald   A Harvest of the Sea . . . . . . . . . . 328--329
               W. Frank M'clure   The Manufacture of Worsted Cloth . . . . 329--330
                 E. A. Sterling   The Use of Compressed Air in Logging . . 330--330
                      Anonymous   The Hippodrome Mystery Unveiled  . . . . 332--333
                      Anonymous   A 250-Ton Mallet Locomotive  . . . . . . 333--333
                      Anonymous   Loss of the Largest Ship Ever Wrecked    334--335
                      Anonymous   An Improved Twine Cutter . . . . . . . . 336--336
                      Anonymous   Adjustable Tension Rods for Pianos . . . 336--336
                      Anonymous   A Novel Form of Nail . . . . . . . . . . 336--336
                      Anonymous   Pipe Stopper or Test Plug  . . . . . . . 336--337
        
                      Anonymous   Recently Patented Inventions . . . . . . 357--357
                      Anonymous   Notes and Queries  . . . . . . . . . . . 357--358
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 358--358
                      Anonymous   Index of Inventions  . . . . . . . . . . 358--363
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 363--363
                      Anonymous   The Peace Congress . . . . . . . . . . . 346--346
                      Anonymous   Scope and Purpose of the Jamestown
                                  Exposition . . . . . . . . . . . . . . . 346--346
                      Anonymous   Raising the Assouan Dam  . . . . . . . . 346--346
                      Anonymous   An Oppressive Postal Regulation  . . . . 346--347
                      Anonymous   Rules Governing the Competition for the
                                  \booktitleScientific American Flying
                                  Machine Trophy . . . . . . . . . . . . . 347--347
                      Anonymous   Saving a Ship by Amputation  . . . . . . 348--348
                 Harry W. Perry   The New Home of the Automobile Club of
                                  America  . . . . . . . . . . . . . . . . 349--350
                      Anonymous   The International Fleet at Jamestown . . 350--351
               John T. Maginnis   Opening of the Jamestown Exposition  . . 351--353
                   John Plummer   Australian Sapphires . . . . . . . . . . 354--354
              Alfred Gradenwitz   A Gigantic Clock . . . . . . . . . . . . 355--355
                      Anonymous   Improved Packing for Pistons . . . . . . 356--356
                      Anonymous   Wagon Brake  . . . . . . . . . . . . . . 356--356
                      Anonymous   Seal Box Fastener  . . . . . . . . . . . 356--356
                      Anonymous   Alarm Attachment for Self-Binders  . . . 356--356
        
           Henry Norris Russell   The Heavens in May . . . . . . . . . . . 367--367
                      Anonymous   Correspondence . . . . . . . . . . . . . 371--371
                      Anonymous   Recently Patented Inventions . . . . . . 377--378
                      Anonymous   Notes and Queries: Note and Queries  . . 378--378
                      Anonymous   Index of Inventions  . . . . . . . . . . 378--383
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 383--383
                      Anonymous   Accelerating Rate of Growth of our
                                  Commerce . . . . . . . . . . . . . . . . 366--366
                      Anonymous   The Commercial Supremacy of New York . . 366--366
                      Anonymous   Health Conditions at Panama  . . . . . . 366--366
                      Anonymous   Full Electric Service on the New York
                                  Central  . . . . . . . . . . . . . . . . 366--366
                      Anonymous   The President's Inland Waterways
                                  Commission . . . . . . . . . . . . . . . 366--366
                      Anonymous   No Bids for the New Subway . . . . . . . 366--366
                      Anonymous   Quarrying Glacier Ice  . . . . . . . . . 366--366
                      Anonymous   Developing Photographic Plates in
                                  Daylight . . . . . . . . . . . . . . . . 367--367
              Walter L. Beasley   Naosaurus: A Fossil Wonder . . . . . . . 368--368
           A. Frederick Collins   A Military Wireless Telegraph Equipment  369--370
                      Anonymous   The Felling of Factory Stacks  . . . . . 372--372
                Saito Tsunetaro   The Japanese Squadron at Jamestown . . . 373--373
            W. D. H. Washington   The Colorado River Closure . . . . . . . 374--377
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 391--391
                      Anonymous   Recently Patented Inventions . . . . . . 397--398
                      Anonymous   Notes and Queries  . . . . . . . . . . . 398--398
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 398--399
                      Anonymous   Index of Inventions  . . . . . . . . . . 399--403
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 403--403
                      Anonymous   The Peril of the Derelict  . . . . . . . 386--386
                      Anonymous   The Limits of Heavy Electric Traction    386--386
                      Anonymous   Turbo-Electric Engines for Ships?  . . . 386--386
                      Anonymous   The Spring Meeting of the American
                                  Society of Mechanical Engineers  . . . . 386--386
                Orrin E. Dunlap   Deflocculated Graphite and the ``Acheson
                                  Effect'' . . . . . . . . . . . . . . . . 387--387
                      Anonymous   An Automobile Hearse . . . . . . . . . . 388--388
                      Anonymous   The Blériot Aeroplane . . . . . . . . . . 388--388
              Alfred Gradenwitz   The Talking Siren of Dr. Marage  . . . . 389--390
                      Anonymous   A Theater Auditorium Turned Into a
                                  Ballroom at a Moment's Notice  . . . . . 391--391
                  Jacques Boyer   The Manufacture of Matches in France . . 392--394
                      Anonymous   Reconstructing a Great City Railroad
                                  Terminal . . . . . . . . . . . . . . . . 394--394
                      Anonymous   An Improved Vehicle Jack . . . . . . . . 395--395
                      Anonymous   Coupling for Large Pipes . . . . . . . . 395--395
                      Anonymous   Quick-Acting Wrench  . . . . . . . . . . 395--395
                      Anonymous   Portable Saw-Operating Mechanism . . . . 395--395
                      Anonymous   A New Form of Mushroom Bullet  . . . . . 395--396
                      Anonymous   Portable Coal Bin  . . . . . . . . . . . 396--396
                      Anonymous   Improved Netting for Airships  . . . . . 396--396
                      Anonymous   Attachment for Sewing Machines . . . . . 396--396
                      Anonymous   Roller Appliance for Rocking Chairs  . . 396--396
        
                      Anonymous   Recently Patented Inventions . . . . . . 37--37
                      Anonymous   Notes and Queries  . . . . . . . . . . . 37--37
                      Anonymous   Correspondence . . . . . . . . . . . . . 46--46
                      Anonymous   Index of Inventions  . . . . . . . . . . 56--63
                      Anonymous   Cape Cod Canal . . . . . . . . . . . . . 22--22
                      Anonymous   The Pennsylvania and New Haven
                                  Connecting Railroad  . . . . . . . . . . 22--22
                      Anonymous   The Seventh National Automobile Show at
                                  Madison Square Garden  . . . . . . . . . 22--23
                      Anonymous   Some Early American Automobiles  . . . . 23--23
                      Anonymous   Engines  . . . . . . . . . . . . . . . . 24--24
                      Anonymous   Engine of the Car De Luxe  . . . . . . . 24--24
                      Anonymous   An Engine with Low-Tension Magneto
                                  Ignition . . . . . . . . . . . . . . . . 25--25
                      Anonymous   An Automobile Motor with Rotary Valve    25--25
                      Anonymous   Engine of the 60-Horse-Power Thomas Car  25--25
                      Anonymous   The 50-Horse-Power Northern Engine . . . 25--25
                      Anonymous   Friction-Drive Cars  . . . . . . . . . . 26--26
                      Anonymous   The Holsman Rope-Drive Automobile  . . . 26--26
                      Anonymous   A Successful Friction-Drive Automobile   26--26
                      Anonymous   Transmissions  . . . . . . . . . . . . . 27--27
                      Anonymous   A New Form of Two-Speed Transmission
                                  Combined with the Differential . . . . . 27--27
                      Anonymous   A Transmission with Individual Jaw
                                  Clutches . . . . . . . . . . . . . . . . 27--27
                      Anonymous   The Haynes Transmission and Roller Bevel
                                  Drive  . . . . . . . . . . . . . . . . . 28--28
                      Anonymous   Transmission Gear with Double Clutches   28--28
                      Anonymous   Novel Clutch and Transmission Features
                                  of 1907 Cars . . . . . . . . . . . . . . 28--29
                      Anonymous   The Lozier Protected Drive Chain . . . . 29--29
                      Anonymous   The Pope--Toledo Combined Clutch and
                                  Transmission . . . . . . . . . . . . . . 29--29
                      Anonymous   A Novel Individual Clutch Transmission   29--29
                      Anonymous   Typical Brakes on 1907 Cars  . . . . . . 30--30
                      Anonymous   An Improved Sliding-Gear Transmission    30--30
                      Anonymous   The Dragon Chassis . . . . . . . . . . . 30--30
                      Anonymous   The Wayne Transmission and Clutch  . . . 30--31
                      Anonymous   A Novel Combined Sliding-Gear
                                  Transmission and Multiple-Disk Clutch    31--31
                      Anonymous   The Stoddard--Dayton Chassis . . . . . . 31--31
                      Anonymous   The Grout 35-Horse-Power Chassis . . . . 31--33
                      Anonymous   Controls . . . . . . . . . . . . . . . . 34--34
                      Anonymous   The Royal Touring Car and Limousine  . . 34--34
                      Anonymous   An Improved Type of Live Rear Axle . . . 34--34
                      Anonymous   The Northern Four-Cylinder
                                  50-Horse-Power Car . . . . . . . . . . . 34--34
                      Anonymous   Lubricators  . . . . . . . . . . . . . . 36--36
                      Anonymous   Novelties  . . . . . . . . . . . . . . . 38--38
                      Anonymous   An Improved Type of Steering Gear  . . . 38--38
                      Anonymous   An Instrument for Testing Shock
                                  Absorbers  . . . . . . . . . . . . . . . 38--38
                      Anonymous   Pneumatic Steel Hub for Automobile
                                  Wheels . . . . . . . . . . . . . . . . . 39--39
                      Anonymous   A Novel Reflector  . . . . . . . . . . . 39--39
                    H. D. Jones   Food Losses During Cooking . . . . . . . 40--42
                      Anonymous   Photographs with Bas-Relief Effects  . . 42--42
                      Anonymous   The Smallest Steam Engine on Earth . . . 42--42
                      Anonymous   Improvements in the White Steam Touring
                                  Car  . . . . . . . . . . . . . . . . . . 43--43
                      Anonymous   An Ingenious Locking Device  . . . . . . 43--43
                      Anonymous   A Simple Type of Automobile Speedometer  43--43
                     Rene Bache   Some Modern Inventions which are Ancient
                                  History  . . . . . . . . . . . . . . . . 44--44
                      Anonymous   Some Improvements in Honeycomb Radiators 47--47
                      Anonymous   The Moon Touring Car . . . . . . . . . . 48--48
                      Anonymous   The House Recoil Check . . . . . . . . . 49--49
                      Anonymous   The 1907 Peerless Touring Car  . . . . . 49--50
                      Anonymous   The Autocar Combined Engine and
                                  Transmission . . . . . . . . . . . . . . 51--52
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 411--411
                      Anonymous   Recently Patented Inventions . . . . . . 417--417
                      Anonymous   Notes and Queries  . . . . . . . . . . . 417--418
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 418--419
                      Anonymous   Index of Inventions  . . . . . . . . . . 419--423
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 423--423
                      Anonymous   A Speedy Solution of the ``Broken Rail''
                                  Problem  . . . . . . . . . . . . . . . . 406--406
                      Anonymous   The Subway Deadlock in New York  . . . . 406--406
                      Anonymous   New Uses for an Old Device --- The
                                  Gyroscopic Railroad Train  . . . . . . . 406--406
                      Anonymous   Third Annual Meeting and Run of the
                                  Automobile Engineers . . . . . . . . . . 407--407
                      Anonymous   New Commissioner of Patents  . . . . . . 407--407
                      Anonymous   Flights by Homing Pigeons  . . . . . . . 407--407
                      Anonymous   Science Notes  . . . . . . . . . . . . . 407--407
                 Walter Bernard   The Construction and Handling of
                                  Submarines . . . . . . . . . . . . . . . 408--408
                      Anonymous   The Peril of the ``Broken Rail'' --- Its
                                  Cause and Cure . . . . . . . . . . . . . 409--410
                     Allen Hale   Construction of Florida East Coast
                                  Railway  . . . . . . . . . . . . . . . . 412--413
                      Anonymous   English Exposition of Model Flying
                                  Machines . . . . . . . . . . . . . . . . 414--414
                      Anonymous   Patent Department  . . . . . . . . . . . 415--415
                      Anonymous   An Improved Bridle . . . . . . . . . . . 415--415
                      Anonymous   Motor-Driven Stump Puller  . . . . . . . 415--415
                      Anonymous   Metallic Piston Packing  . . . . . . . . 415--415
                      Anonymous   Improved Pipe Wrench . . . . . . . . . . 415--416
                      Anonymous   A Novel Swimming Apparatus . . . . . . . 416--416
                      Anonymous   Attachment for Stoves  . . . . . . . . . 416--416
                      Anonymous   Weighing Scoop . . . . . . . . . . . . . 416--416
                      Anonymous   Apparatus for Agitating Liquids  . . . . 416--416
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 431--431
                      Anonymous   Recently Patented Inventions . . . . . . 437--437
                      Anonymous   Notes and Queries  . . . . . . . . . . . 438--438
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 438--438
                      Anonymous   Index of Inventions  . . . . . . . . . . 438--443
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 443--443
                      Anonymous   Needed --- a Rational Railroad Track . . 426--426
                      Anonymous   Excellent Foundations for the Gatun
                                  Locks  . . . . . . . . . . . . . . . . . 426--426
                      Anonymous   The Smoke Peril at Fires . . . . . . . . 426--427
              William H. Tolman   The American Museum of Safety Devices
                                  and Industrial Hygiene . . . . . . . . . 427--427
                 Walter Beasley   Extraordinary Insect Enlargements  . . . 428--430
                      Anonymous   The New White Star Liner ``Adriatic''    431--432
                      Anonymous   Charles Haynes Haswell . . . . . . . . . 433--433
              Frederic R. Honey   Eclipse of the Sun in July, 1907 . . . . 434--434
               Day Allen Willey   Building a Town Site by Suction Dredge   435--436
                Gustave Michaud   A Curious Illusion . . . . . . . . . . . 436--436
              Alfred Gradenwitz   An X-Ray Stereoscope . . . . . . . . . . 436--436
        
           Henry Norris Russell   The Heavens in June  . . . . . . . . . . 447--447
                      Anonymous   Correspondence . . . . . . . . . . . . . 451--451
                      Anonymous   Recently Patented Inventions . . . . . . 457--457
                      Anonymous   Notes and Queries  . . . . . . . . . . . 458--458
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 458--458
                      Anonymous   Index of Inventions  . . . . . . . . . . 458--463
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 463--463
                      Anonymous   Slaughter in War and Peace . . . . . . . 446--446
                      Anonymous   Speed Indicators on Locomotives  . . . . 446--446
                      Anonymous   Single-Service Paper Milk Bottles  . . . 446--446
                      Anonymous   Running Municipal Trolley Cars with
                                  Garbage and Refuse . . . . . . . . . . . 446--446
                      Anonymous   Domestic Electric Light Plant Driven by
                                  a Windmill . . . . . . . . . . . . . . . 448--448
                      Anonymous   The Brennan Gyroscope Monorail . . . . . 449--450
                      Anonymous   Our 735,000,000-Bushel Wheat Crop  . . . 450--450
         George Ethelbert Walsh   To the Jamestown Exposition by Motor
                                  Boat . . . . . . . . . . . . . . . . . . 450--450
                  T. S. Parsons   Some Unknown American Natural Bridges    452--452
              S. Leonard Bastin   A Home-Made Barometer  . . . . . . . . . 453--454
                      Anonymous   The Wonderful Sulphur Mines of Louisiana 454--456
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 471--471
                      Anonymous   Recently Patented Inventions . . . . . . 477--477
                      Anonymous   Notes and Queries  . . . . . . . . . . . 477--478
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 478--478
                      Anonymous   Index of Inventions  . . . . . . . . . . 478--483
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 483--483
                      Anonymous   Tunnel Tubes in Soft Material  . . . . . 466--466
                      Anonymous   The Problem of Raising an Existing Dam
                                  Structure  . . . . . . . . . . . . . . . 466--466
                      Anonymous   The Shackleton Antarctic Expedition  . . 466--466
                      Anonymous   Influence of Light on the Conductivity
                                  of Antimonite  . . . . . . . . . . . . . 466--466
                      Anonymous   Government Tests of Safety Devices for
                                  Mines  . . . . . . . . . . . . . . . . . 467--467
                      Anonymous   Science Notes  . . . . . . . . . . . . . 467--467
                      Anonymous   The Largest Arch Bridge in the World . . 468--468
                      Anonymous   The Two Competitors in the Motor Boat
                                  Race to Bermuda  . . . . . . . . . . . . 469--470
               Day Allen Willey   Mining in Newfoundland . . . . . . . . . 472--473
                      Anonymous   Teaching Deaf-Mutes to Speak . . . . . . 473--474
                  Percy Collins   Nature's Touch-Me-Nots . . . . . . . . . 474--475
                      Anonymous   Improved Grass Cutter  . . . . . . . . . 476--476
                      Anonymous   A Novel Sash Lock  . . . . . . . . . . . 476--476
                      Anonymous   Combined Lightning Arrester, Fuse Box,
                                  and Insulator  . . . . . . . . . . . . . 476--476
                      Anonymous   A New Method of Handling Acids . . . . . 476--476
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 491--491
                      Anonymous   Recently Patented Inventions . . . . . . 497--497
                      Anonymous   Notes and Queries  . . . . . . . . . . . 497--498
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 498--498
                      Anonymous   Index of Inventions  . . . . . . . . . . 498--503
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 503--503
                      Anonymous   Gatun Lake is Double the Estimated Size  486--486
                      Anonymous   San Francisco Earthquake and Engineering
                                  Construction . . . . . . . . . . . . . . 486--486
                      Anonymous   Fluid Compression for Steel Rails  . . . 486--486
                      Anonymous   Sir Benjamin Baker . . . . . . . . . . . 486--487
              Frederic R. Honey   The Transit of Mercury in 1907 . . . . . 487--487
                      Anonymous   The Two-Hundred-Mile Automobile
                                  Endurance Test of the New York Motor
                                  Club . . . . . . . . . . . . . . . . . . 487--487
                      Anonymous   The Protective Works of the Assouan Dam  488--488
                John Trowbridge   Ball Lightning . . . . . . . . . . . . . 489--489
                      Anonymous   A New Signaling Machine System for the
                                  Automatic Control of Railroad Trains . . 489--490
                 Walter Beasley   Diplodocus: The Greatest of All Earthly
                                  Creatures  . . . . . . . . . . . . . . . 491--492
                      Anonymous   The Ocean Race of Torpedo-Boat
                                  Destroyers . . . . . . . . . . . . . . . 493--493
                      Anonymous   Practical Tests of the Schlick Gyrostat
                                  for Ships  . . . . . . . . . . . . . . . 494--494
                 C. R. Stockard   A Pair of Limbless, Snake-Like Lambs . . 495--495
                      Anonymous   A Successful Hydroplane Gliding Boat . . 495--496
                      Anonymous   A Mechanical Toy which Draws Geometrical
                                  Designs  . . . . . . . . . . . . . . . . 496--496
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 511--511
                      Anonymous   Recently Patented Inventions . . . . . . 517--517
                      Anonymous   Notes and Queries  . . . . . . . . . . . 517--518
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 518--518
                      Anonymous   Index of Inventions  . . . . . . . . . . 518--523
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 523--523
                      Anonymous   How the Law May Prevent Railroad
                                  Accidents  . . . . . . . . . . . . . . . 506--506
                      Anonymous   We Build a Locomotive on the Metric
                                  System . . . . . . . . . . . . . . . . . 506--506
                      Anonymous   Brunel and the Seven-Foot Gage . . . . . 506--506
                      Anonymous   Another Long-Distance Transmission in
                                  California . . . . . . . . . . . . . . . 506--506
                      Anonymous   Tinol  . . . . . . . . . . . . . . . . . 506--507
              W. G. Fitz-Gerald   A Telephone Newspaper  . . . . . . . . . 507--507
                      Anonymous   Result of the Motor Boat Race to Bermuda 507--507
                      Anonymous   Automobile Races and Record Runs . . . . 507--507
                      Anonymous   The Government Tests of Submarines . . . 508--508
                      Anonymous   The Wellman Polar Airship Expedition . . 509--510
                      Anonymous   Double-Deck Streets as a Relief for
                                  Traffic Congestion . . . . . . . . . . . 510--510
              Victor D. Brenner   The Art and Craft of the Medalist  . . . 511--512
              Alfred Gradenwitz   Mechanical Masterpieces of the
                                  Eighteenth Century . . . . . . . . . . . 513--514
                  L. A. Camacho   Do Animals Reason? . . . . . . . . . . . 515--515
                   John W. Hall   An Artificial Respirator . . . . . . . . 515--515
                      Anonymous   An Improved Clothes Line Hanger  . . . . 516--516
                      Anonymous   A Novel Pneumatic Massage Machine  . . . 516--516
                      Anonymous   Spark-Producing Mechanism for Explosion
                                  Engines  . . . . . . . . . . . . . . . . 516--516
                      Anonymous   Novel Safety Razor . . . . . . . . . . . 516--516
        
           Henry Norris Russell   The Heavens in July  . . . . . . . . . . 527--527
                      Anonymous   Recently Patented Inventions . . . . . . 536--536
                      Anonymous   Notes and Queries  . . . . . . . . . . . 536--537
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 537--537
                      Anonymous   Index of Inventions  . . . . . . . . . . 537--540
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 541--542
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 543--543
                      Anonymous   Costly Improvements in New York City . . 526--526
                      Anonymous   American Yachting Season of 1907 . . . . 526--526
                      Anonymous   Forty-Four-Mile Electrification on the
                                  West Shore Railroad  . . . . . . . . . . 526--526
                      Anonymous   Converting Music into Electricity  . . . 527--527
                      Anonymous   A New Hydroplane Boat  . . . . . . . . . 528--528
                      Anonymous   The Most Powerful Express Locomotive
                                  Ever Built . . . . . . . . . . . . . . . 528--528
                   C. H. Claudy   Sound Signals for Mariners: An Inventive
                                  Field Which is not Overworked  . . . . . 529--530
                      Anonymous   The Magnitude of Victoria Falls  . . . . 530--531
                      Anonymous   Inauguration of Work on the Catskill New
                                  York Water Supply  . . . . . . . . . . . 531--531
          Charles Oscar Paullin   The Vessels and Guns of the Old Navy,
                                  1775--1850 . . . . . . . . . . . . . . . 532--534
                  Jacques Boyer   Bertillon's New System of Anthropometry  534--535
              Alfred Gradenwitz   A Novel Apparatus for Demonstrating
                                  Atmospheric Pressure . . . . . . . . . . 535--535
        
                      Anonymous   Correspondence: Correspondences  . . . . 70--71
                      Anonymous   Recently Patented Inventions . . . . . . 77--77
                      Anonymous   Notes and Queries  . . . . . . . . . . . 78--79
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 79--79
                      Anonymous   Index of Inventions  . . . . . . . . . . 79--83
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 84--84
                      Anonymous   Large Powder Chambers and Gun Erosion    66--66
                      Anonymous   Value of Rare Earths for Electrical
                                  Purposes . . . . . . . . . . . . . . . . 66--66
                      Anonymous   Perhydrase Milk --- a New Sterilized
                                  Milk . . . . . . . . . . . . . . . . . . 66--67
                      Anonymous   Recent Performances of the French
                                  Airship ``Patrie'' . . . . . . . . . . . 67--67
           Katherine B. Calhoun   Facts about Black Lead Pencils . . . . . 67--67
                      Anonymous   The Yawning Cure for Throat Diseases . . 67--67
                      Anonymous   Climate: Past and Present  . . . . . . . 67--67
                      Anonymous   The Current Supplement . . . . . . . . . 67--67
          Reginald A. Fessenden   Recent Progress in Wireless Telephony    68--69
                      Anonymous   The Launch of the ``Satsuma''  . . . . . 69--69
                   D. A. Willey   A Machine that Predicts Tides  . . . . . 69--70
                      Anonymous   Opening of Electric Service on the New
                                  York Central and the New Haven Railroads 72--73
                      L. Lodian   Some Facts about Tea . . . . . . . . . . 74--74
                      Anonymous   Patent Department  . . . . . . . . . . . 75--75
                      Anonymous   Snow Shoes for Wagons  . . . . . . . . . 75--75
                      Anonymous   An Improved Self-Oiling Roller Bearing   75--76
                      Anonymous   Umbrella Frame with Detachable Ribs  . . 76--76
                      Anonymous   An Improved Receiver for Telephones  . . 76--76
           A. Frederick Collins   A Handy Portable Crane and Hoist . . . . 76--76
                      Anonymous   Liquid Soap Holder . . . . . . . . . . . 76--76
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 91--91
                      Anonymous   Recently Patented Inventions . . . . . . 97--97
                      Anonymous   Notes and Queries  . . . . . . . . . . . 97--99
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 99--99
                      Anonymous   Index of Inventions  . . . . . . . . . . 99--103
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 103--103
                      Anonymous   The Comedy of the Manhattan Bridge . . . 86--86
                      Anonymous   Mr. Hill on the Railroad Crisis  . . . . 86--86
                      Anonymous   Brooklyn Bridge Terminal Station and
                                  Subway Loop  . . . . . . . . . . . . . . 86--86
                      Anonymous   A New Electric Lamp Filament . . . . . . 86--87
                      Anonymous   The Jamaican Earthquake  . . . . . . . . 87--87
            Edward C. Broadwell   Method for Electro-Deposition and
                                  Separation . . . . . . . . . . . . . . . 87--87
                      Anonymous   The Bite of a Gila Monster . . . . . . . 87--87
                      Anonymous   The Cortlandt Street Tunnels and
                                  Terminal Building, New York  . . . . . . 88--90
                 Waldon Fawcett   The Work of the Rotary Snow Plow . . . . 92--92
                      Anonymous   An Exposition of Safety Devices and
                                  Industrial Hygiene . . . . . . . . . . . 93--94
                      Anonymous   Some More Electrical Devices for the
                                  Household  . . . . . . . . . . . . . . . 95--95
                      Anonymous   Laws of Falling Bodies . . . . . . . . . 96--96
                      Anonymous   A Safety Trip for Logging Cars . . . . . 96--96
                      Anonymous   Sheathing Lath . . . . . . . . . . . . . 96--96
                      Anonymous   Improved Measure for Foaming Liquids . . 96--96
        
           Henry Norris Russell   The Heavens in February  . . . . . . . . 107--107
                      Anonymous   Correspondence . . . . . . . . . . . . . 111--111
                      Anonymous   Recently Patented Inventions . . . . . . 117--117
                      Anonymous   Notes and Queries  . . . . . . . . . . . 117--118
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 118--118
                      Anonymous   Index of Inventions  . . . . . . . . . . 118--123
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 123--123
                      Anonymous   The English Channel Tunnel Scheme  . . . 106--106
                      Anonymous   Quick-Steaming Marine Boilers  . . . . . 106--106
                      Anonymous   Spontaneous Ignition of Coal . . . . . . 106--106
                      Anonymous   The Cornu Helicopter . . . . . . . . . . 107--107
               Day Allen Willey   To-morrow's Weather: How It Is Foretold  108--109
                      Anonymous   The ``Express'' Coal-Bagging Lighter for
                                  Coaling War Vessels in Harbor  . . . . . 110--111
               Day Allen Willey   The Sea-Rafts of the Northwest . . . . . 112--113
              W. G. Fitz-Gerald   Breathing Masks and Helmets  . . . . . . 113--114
                    R. Lydekker   Concerning Ears  . . . . . . . . . . . . 115--116
                      Anonymous   New Toy Automobiles  . . . . . . . . . . 116--116
                      Anonymous   Window-Blind Guard . . . . . . . . . . . 116--116
                      Anonymous   Chuck for Rock Drills  . . . . . . . . . 116--116
                      Anonymous   Business and Personal Wants  . . . . . . 117--117
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 131--131
                      Anonymous   Recently Patented Inventions . . . . . . 137--137
                      Anonymous   Notes and Queries  . . . . . . . . . . . 137--138
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 138--138
                      Anonymous   Index of Inventions  . . . . . . . . . . 138--143
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 143--143
                      Anonymous   The ``Casualty List'' of American
                                  Industries . . . . . . . . . . . . . . . 126--126
                      Anonymous   Satisfactory Foundations for Panama Dams
                                  and Locks  . . . . . . . . . . . . . . . 126--126
                      Anonymous   The Panama Canal Contract  . . . . . . . 126--126
                      Anonymous   Should the Steel Makers Subsidize our
                                  Shipbuilders?  . . . . . . . . . . . . . 126--126
                      Anonymous   Why the Big One-Caliber-Gun Battleships
                                  are Best . . . . . . . . . . . . . . . . 126--127
                      Anonymous   Comparative Test of Alcohol, Kerosene
                                  and Gasoline as Automobile Fuels . . . . 127--127
                      Anonymous   The Current Supplement . . . . . . . . . 127--127
                      Anonymous   Telephone Statistics . . . . . . . . . . 127--127
                      Anonymous   The Accident to the Stanley Steam Racer  128--128
                      Anonymous   The Fastest and Most Powerful American
                                  Motor Bicycle  . . . . . . . . . . . . . 128--128
               Daniel M. Luehrs   Machine for Recording the Vibration of
                                  Ships  . . . . . . . . . . . . . . . . . 129--130
              Frederic R. Honey   Morning and Evening Stars for 1907 . . . 130--131
                      Anonymous   The Somersaulting Automobile . . . . . . 132--132
            Forrest E. Cardullo   The Battleship of the Future --- I . . . 133--133
                     R. W. Wood   The Optical Intensification of Paintings 134--134
                      Anonymous   The New Lock and Key Bottle for Holding
                                  Poison . . . . . . . . . . . . . . . . . 135--135
                      Anonymous   The Spider's Web as a Negative . . . . . 135--135
                      Anonymous   A Clock Made of Slate  . . . . . . . . . 135--135
                      Anonymous   Public Weather Towers in Vienna  . . . . 135--135
        
                      Anonymous   Recently Patented Inventions . . . . . . 156--156
                      Anonymous   Notes and Queries  . . . . . . . . . . . 156--156
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--159
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 159--159
                      Anonymous   Government Regulation of Niagara Power   146--146
                      Anonymous   Stupendous Water Supply Scheme . . . . . 146--146
                      Anonymous   A Simple-Cylinder Superheat Locomotive
                                  Test . . . . . . . . . . . . . . . . . . 146--146
                      Anonymous   One Year's Wear of a Steam Turbine . . . 146--146
                      Anonymous   Reinforced Concrete Construction on the
                                  Pacific Coast  . . . . . . . . . . . . . 146--147
                      Anonymous   The Odors of Metals  . . . . . . . . . . 147--147
                      Anonymous   Aerial Navigation Prizes . . . . . . . . 147--147
                      Anonymous   Science Notes  . . . . . . . . . . . . . 147--147
                Robert Grimshaw   Korn's Photographic Fac-Simile Telegraph 148--148
               W. Frank M'clure   The Car Ferry Traffic of Lake Erie . . . 149--150
            Forrest E. Cardullo   The Battleship of the Future --- II  . . 150--151
                Hamilton Wright   Tobacco Raising in the Philippines . . . 152--153
                      Anonymous   The Subsidence of a Concrete Building    154--154
                      Anonymous   A Remarkable Accident  . . . . . . . . . 154--154
                      Anonymous   Vehicle Spring Buffer  . . . . . . . . . 155--155
                      Anonymous   Fresh-Air Cabinet  . . . . . . . . . . . 155--155
                      Anonymous   Metallic Piston Packing  . . . . . . . . 155--155
                      Anonymous   A New Electric Furnace . . . . . . . . . 155--155
        
                      Anonymous   Recently Patented Inventions . . . . . . 174--174
                      Anonymous   Notes and Queries  . . . . . . . . . . . 174--174
                      Anonymous   Index of Inventions  . . . . . . . . . . 174--181
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 183--183
                      Anonymous   The ``Larchmont'' Disaster . . . . . . . 162--162
                      Anonymous   Trend of Motor-Boat Development  . . . . 162--162
                      Anonymous   Gyroscopic Action of Marine Turbines . . 162--163
                      Anonymous   Long-Distance Motor-Boat Races for 1907  163--163
                      Anonymous   Power Boat Notes . . . . . . . . . . . . 163--163
                      Anonymous   Recent Performances of French Hydroplane
                                  Boats  . . . . . . . . . . . . . . . . . 164--165
                      Anonymous   The Branger Cup Race for Miniature Motor
                                  Boats  . . . . . . . . . . . . . . . . . 166--166
                      Anonymous   Latest Types of Cruising Power Boats . . 167--167
                 W. P. Stephens   Influence of the Automobile on Launch
                                  Development  . . . . . . . . . . . . . . 167--168
                  A. B. Willits   New Types of Gas Engines for Marine Work 169--170
                      Anonymous   A High-Speed Motor Boat that Can be
                                  Built at Home  . . . . . . . . . . . . . 170--170
                      Anonymous   Canovetti's Air-Resistance Experiments   170--171
           A. Frederick Collins   Some New and Useful's Electric Hand
                                  Tools  . . . . . . . . . . . . . . . . . 172--173
                  M. Glen Fling   Leather Goods Made of Human Skin . . . . 173--173
                      Anonymous   Huge Bowlders Raised by Bucket Dredges   173--173
        
           Henry Norris Russell   The Heavens in March . . . . . . . . . . 187--187
                      Anonymous   Correspondence . . . . . . . . . . . . . 190--191
                      Anonymous   Recently Patented Inventions . . . . . . 197--198
                      Anonymous   Notes and Queries  . . . . . . . . . . . 198--199
                      Anonymous   Index of Inventions  . . . . . . . . . . 199--203
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 203--203
                      Anonymous   Risks of Steel-Concrete Construction . . 186--186
                      Anonymous   Should Surface Soil be Stripped from
                                  Reservoirs?  . . . . . . . . . . . . . . 186--186
                      Anonymous   The ``Mikasa'' was Sunk by Spontaneous
                                  Magazine Explosion . . . . . . . . . . . 186--186
                      Anonymous   The Peril of the Electric Locomotive on
                                  Steam Roads  . . . . . . . . . . . . . . 186--186
                      Anonymous   Pearls from the Sulu Sea . . . . . . . . 187--187
                      Anonymous   Light and Blood  . . . . . . . . . . . . 187--187
           A. Frederick Collins   A Useful Combination Tool  . . . . . . . 188--188
                   M. U. Schoop   The Autogenous Soldering of Metals . . . 189--190
                      Anonymous   The Magnitude of the Gas Industry  . . . 190--190
                   A. E. Potter   The Motor Boat Show at Madison Square
                                  Garden . . . . . . . . . . . . . . . . . 191--192
                      Anonymous   Wreck of an Electric Train on the New
                                  York Central . . . . . . . . . . . . . . 192--193
              Alfred Gradenwitz   Electrically-Driven Target Trains in the
                                  German Army  . . . . . . . . . . . . . . 194--194
                      Anonymous   The Krieger Searchlight Automobile . . . 194--195
                      Anonymous   An Algerian Natural Bridge . . . . . . . 196--196
       Charles Frederick Holder   A New Fish for America . . . . . . . . . 196--196
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 9--9
                      Anonymous   Recently Patented Inventions . . . . . . 14--14
                      Anonymous   Notes and Queries  . . . . . . . . . . . 14--14
                      Anonymous   Index of Inventions  . . . . . . . . . . 14--19
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 18--18
                      Anonymous   Our Naval Forces in the Pacific  . . . . 4--4
                      Anonymous   The Enemies of Structural Steel  . . . . 4--4
                      Anonymous   Six Months Electric Operation of the
                                  Grand Central Station  . . . . . . . . . 4--5
              Milton B. Punnett   Original Methods of Toning Developed
                                  Photographic Prints  . . . . . . . . . . 5--5
                      Anonymous   Science Notes  . . . . . . . . . . . . . 5--5
                    W. W. Mills   Simple Apparatus for Producing the
                                  Manometric Flame . . . . . . . . . . . . 6--6
                      Anonymous   A Remarkable Outcrop of Silver . . . . . 6--6
                      Anonymous   A New Automobile Race Track  . . . . . . 7--7
                      Anonymous   Pile Foundations for Tunnel Tubes  . . . 8--8
               Day Allen Willey   New Railroad Construction in Canada and
                                  the Northwest  . . . . . . . . . . . . . 10--11
                     L. B. Ward   The Economical Surface Mining Operations
                                  of Cuba  . . . . . . . . . . . . . . . . 11--12
                      Anonymous   Water-Walking Shoes  . . . . . . . . . . 12--12
                      Anonymous   Santos Dumont's Combined Aeroplane and
                                  Airship  . . . . . . . . . . . . . . . . 12--13
        
                      Anonymous   Recently Patented Inventions . . . . . . 173--173
                      Anonymous   Notes and Queries  . . . . . . . . . . . 174--174
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 174--174
                      Anonymous   Index of Inventions  . . . . . . . . . . 174--179
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 179--179
                      Anonymous   The Quebec Bridge Disaster . . . . . . . 162--162
                      Anonymous   Progress of the Catskill Water Supply    162--162
                      Anonymous   The Cruise of Our Battleships to the
                                  Pacific  . . . . . . . . . . . . . . . . 162--162
                      Anonymous   Better Rails for 1908  . . . . . . . . . 162--162
                      Anonymous   Why Erosion is Greater in Large Guns . . 162--163
                William H. Hale   The Seventh International Zoological
                                  Congress --- Boston Meeting, August 19
                                  to 23, 1907  . . . . . . . . . . . . . . 163--163
                      Anonymous   Science Notes  . . . . . . . . . . . . . 163--163
                      Anonymous   Completion of the \booktitleScientific
                                  American Trophy for Heavier-Than-Air
                                  Flying Machines  . . . . . . . . . . . . 163--163
                      Anonymous   Modern Experimental Psychology --- Its
                                  Methods and Apparatus  . . . . . . . . . 164--167
                      Anonymous   The Erection of the 612-Foot Singer
                                  Building . . . . . . . . . . . . . . . . 168--169
                      Anonymous   Electric Locomotives of the Pennsylvania
                                  Railroad . . . . . . . . . . . . . . . . 170--170
                      Anonymous   Moving the Montauk Theater . . . . . . . 171--171
                   E. C. Hamner   The Launch of the Caissons Recently
                                  Built at the Norfolk Navy Yard . . . . . 172--172
                      Anonymous   The Cold Storage of Furs . . . . . . . . 172--173
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 187--187
                      Anonymous   Recently Patented Inventions . . . . . . 193--194
                      Anonymous   Notes and Queries  . . . . . . . . . . . 194--196
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 196--196
                      Anonymous   Index of Inventions  . . . . . . . . . . 196--199
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 200--200
                      Anonymous   A Portentous Bridge Disaster . . . . . . 182--182
                      Anonymous   Successful Flight of an Aeroplane
                                  Constructed After Langley's Model  . . . 182--182
                      Anonymous   The Evolution of Matter  . . . . . . . . 182--183
                   H. A. Crafts   Searching for Parasites to Fight Fruit
                                  Pests  . . . . . . . . . . . . . . . . . 183--183
                      Anonymous   Science Notes  . . . . . . . . . . . . . 183--183
                      Anonymous   A Forgotten Masterpiece --- the
                                  Rittenhouse Orrery and Its Maker . . . . 184--184
                      Anonymous   The Quebec Bridge Disaster . . . . . . . 186--187
                      Anonymous   The New Turbine Liner ``Lusitania''  . . 188--190
                      Anonymous   One of the Competing Aeroplanes for the
                                  \booktitleScientific American
                                  Aeronautical Trophy  . . . . . . . . . . 190--190
                      Anonymous   The \booktitleScientific American Trophy
                                  for Flying Machines Heavier than Air . . 191--191
                      Anonymous   Patent Department  . . . . . . . . . . . 192--192
                      Anonymous   Improved Pole-Climbing Shoe  . . . . . . 192--192
                      Anonymous   A Novel Advertising Device . . . . . . . 192--192
                      Anonymous   Cushioned Car Wheel  . . . . . . . . . . 192--192
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 207--207
                      Anonymous   Recently Patented Inventions . . . . . . 212--212
                      Anonymous   Index of Inventions  . . . . . . . . . . 212--215
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 215--215
                      Anonymous   Value of Transatlantic Speed . . . . . . 202--202
                      Anonymous   Moving Platforms for the Brooklyn Bridge 202--202
                      Anonymous   Compression Members in Bridges . . . . . 202--202
                      Anonymous   New Compounds  . . . . . . . . . . . . . 202--203
                      Anonymous   A German Chemist's Experiences in
                                  America  . . . . . . . . . . . . . . . . 203--203
                      Anonymous   Balloon, Airship, and Flying Machine
                                  Competitions at St. Louis  . . . . . . . 203--203
                      Anonymous   Butterflies and the Roentgen Rays  . . . 203--203
                   C. H. Claudy   Regarding Spar Buoys . . . . . . . . . . 204--204
           A. Frederick Collins   A Boy's Engines and How He Made Them . . 205--205
                      Anonymous   The Double-Deck Surface and Tunnel
                                  Station of the Hudson Companies in
                                  Jersey City  . . . . . . . . . . . . . . 206--207
              Charles A. Sidman   New 14-Inch Gun for Coast Defense  . . . 208--208
               W. Frank M'clure   The Chicago--St. Louis Waterway  . . . . 209--210
           A. Frederick Collins   The ``Turn-Down'' Electric Lamp  . . . . 210--210
            Harold J. Shepstone   Breaking up the Ill-Fated British
                                  Battleship ``Montagu'' . . . . . . . . . 211--211
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 223--223
                      Anonymous   Recently Patented Inventions . . . . . . 228--228
                      Anonymous   Notes and Queries  . . . . . . . . . . . 228--228
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 228--228
                      Anonymous   Index of Inventions  . . . . . . . . . . 228--231
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 231--231
                      Anonymous   Our Enormous Fire Losses . . . . . . . . 218--218
                      Anonymous   Important Addition to New York City's
                                  Water Supply . . . . . . . . . . . . . . 218--218
                      Anonymous   Observations of Mars during the Recent
                                  Opposition . . . . . . . . . . . . . . . 218--218
                      Anonymous   Cracked Car Axles  . . . . . . . . . . . 218--218
             Arthur H. J. Keane   Fabled Cities Submerged  . . . . . . . . 219--219
                      Anonymous   Science Notes  . . . . . . . . . . . . . 219--219
                      Anonymous   A Simple Pipe-Bending Machine  . . . . . 220--220
                      Anonymous   Simonis Liquid-Air Apparatus . . . . . . 220--220
                Herbert T. Wade   Wireless Telephony for the United States
                                  Navy . . . . . . . . . . . . . . . . . . 221--223
                      Anonymous   Daniel's Comet . . . . . . . . . . . . . 224--224
                      Anonymous   If Insects Were as Large as Elephants    225--225
                      Anonymous   The New Fastnet Rock Lighthouse  . . . . 226--227
                      Anonymous   A Device for Washing the Outside
                                  Surfaces of Windows  . . . . . . . . . . 227--227
                      Anonymous   A New Type of Car Fender . . . . . . . . 227--227
                      Anonymous   Hand Warmer and Body Heater  . . . . . . 227--227
                      Anonymous   Improved Fruit Picker  . . . . . . . . . 227--227
        
           Henry Norris Russell   The Heavens in October . . . . . . . . . 235--235
                      Anonymous   Correspondence . . . . . . . . . . . . . 239--239
                      Anonymous   Recently Patented Inventions . . . . . . 245--246
                      Anonymous   Notes and Queries  . . . . . . . . . . . 246--247
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 247--247
                      Anonymous   Index of Inventions  . . . . . . . . . . 247--251
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 251--251
                      Anonymous   Progress on the Panama Canal . . . . . . 234--234
                      Anonymous   The ``America'' Cup Challenge  . . . . . 234--234
                      Anonymous   A Proposed Hudson--Fulton Celebration    234--234
                      Anonymous   Transatlantic Wireless Telegraphy  . . . 234--234
                      Anonymous   Aluminium for Electric Uses  . . . . . . 234--234
            Harold J. Shepstone   The First British Military Airship . . . 236--237
                      Anonymous   Sea-Going Torpedo Boats  . . . . . . . . 237--238
                      Anonymous   Manufacture of Mechanical Rubber Goods   240--242
                  Jacques Boyer   The New Photographic Meridian Telescope
                                  of the Paris Observatory . . . . . . . . 242--242
                  T. W. Baldwin   The Outlook Tower of Beinn Bhreagh, the
                                  First Iron Structure Built of
                                  Tetrahedral Cells  . . . . . . . . . . . 242--243
                      Anonymous   Cooking Utensil for Campers  . . . . . . 244--244
                      Anonymous   Improved Track-Laying Machine  . . . . . 244--244
                      Anonymous   Ladder for Use on Uneven Ground  . . . . 244--244
                      Anonymous   Improved Leveling Rod  . . . . . . . . . 244--244
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 259--259
                      Anonymous   Recently Patented Inventions . . . . . . 264--264
                      Anonymous   Notes and Queries  . . . . . . . . . . . 264--264
                      Anonymous   Index of Inventions  . . . . . . . . . . 264--267
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 267--267
                      Anonymous   A Swedish Challenge for the Cup  . . . . 254--254
                      Anonymous   Ambitious Scheme of Electrification  . . 254--254
                      Anonymous   Our Stupendous Railroad System . . . . . 254--254
                      Anonymous   The Formula and the Testing Machine  . . 254--255
                      Anonymous   How to Prevent Failure in Concrete
                                  Construction . . . . . . . . . . . . . . 255--255
                      Anonymous   The Electrical Show at Madison Square
                                  Garden . . . . . . . . . . . . . . . . . 255--255
               Thomas C. Butten   The So-Called Hypnotic Influence of
                                  Snakes . . . . . . . . . . . . . . . . . 255--255
         F. Savorgnan Di Brazza   A New System for the Fixation of
                                  Atmospheric Nitrogen . . . . . . . . . . 256--257
                      Anonymous   Why the Quebec Bridge Failed . . . . . . 257--258
                 H. C. Gammeter   The Gammeter Orthopter --- A
                                  Beating-Wing Flying Machine  . . . . . . 258--258
               L. W. M'Caughrey   A Strong Home-Made Turnbuckle  . . . . . 259--259
                       C. Field   War Cars, Ancient and Modern . . . . . . 260--262
                      Anonymous   Blood Pressure and Mental Conditions . . 262--262
              Alfred Gradenwitz   A Universal Astronomical Clock . . . . . 262--263
               Willam H. Knight   Gas and Coke from Crude Oil  . . . . . . 263--263
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 275--275
                      Anonymous   Recently Patented Inventions . . . . . . 280--280
                      Anonymous   Notes and Queries  . . . . . . . . . . . 280--280
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 280--280
                      Anonymous   Index of Inventions  . . . . . . . . . . 280--283
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 283--283
                      Anonymous   Old French Machinery at Panama Does Good
                                  Work . . . . . . . . . . . . . . . . . . 270--270
                      Anonymous   The Four-Day Boat  . . . . . . . . . . . 270--270
                      Anonymous   Prospects of Relief of Brooklyn Bridge
                                  Crush  . . . . . . . . . . . . . . . . . 270--270
                      Anonymous   Battery Tunnel Ready in Two Months . . . 270--271
                    R. Lydekker   Some Mechanical Adaptations in Animals   271--271
                      Anonymous   The Water Supply of the United States    271--271
                      Anonymous   The Current Supplement . . . . . . . . . 271--271
                     L. J. Lesh   Some Preliminary Experiments in Flying   272--272
                Orrin E. Dunlap   Illuminating Niagara with Its Own Power  273--274
                      Anonymous   Enormous Power Consumed in our
                                  Industries . . . . . . . . . . . . . . . 274--274
                      Anonymous   How the \booktitleScientific American
                                  Trophy Was Made  . . . . . . . . . . . . 276--276
           Francis Henry Laking   Food Value of Dried Fruits . . . . . . . 276--277
                   J. S. Dunnet   By Motor Car to the South Pole . . . . . 278--278
                      Anonymous   Santos Dumont's New Hydroplane . . . . . 278--278
            Harold J. Shepstone   Plant Culture by Electricity --- an
                                  Interesting Experiment . . . . . . . . . 279--279
        
           Henry Norris Russell   The Heavens in November  . . . . . . . . 303--303
                      Anonymous   Correspondence . . . . . . . . . . . . . 307--307
                      Anonymous   Recently Patented Inventions . . . . . . 312--312
                      Anonymous   Index of Inventions  . . . . . . . . . . 312--315
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 315--315
                      Anonymous   Panama Canal Locks to Be Widened . . . . 302--302
                      Anonymous   Hoist with Its Own Petard  . . . . . . . 302--302
                      Anonymous   The Humanitarian Side of Vivisection . . 302--302
                      Anonymous   Shipbuilding in the United States  . . . 302--302
                      Anonymous   Artificial Honey . . . . . . . . . . . . 303--303
                      Anonymous   The \booktitleScientific American Trophy
                                  and Medal  . . . . . . . . . . . . . . . 303--303
                      Anonymous   The Crocco and Ricaldoni Hydroplane Boat 304--304
                      Anonymous   Combined Dam and Power Plant . . . . . . 305--306
                      Anonymous   The Long Distance Balloon Races from St.
                                  Louis  . . . . . . . . . . . . . . . . . 308--309
           A. Frederick Collins   A Convenient Pocket Transit  . . . . . . 310--310
                Louis I. Dublin   Natural and Artificial Mixed Colonies of
                                  Ants . . . . . . . . . . . . . . . . . . 310--311
                      Anonymous   An Interesting Type of Cow Milker  . . . 311--311
                      Anonymous   Folding Ironing Table  . . . . . . . . . 311--311
                      Anonymous   Extension Table  . . . . . . . . . . . . 311--311
                      Anonymous   Attachment for Traction-Operated
                                  Implements . . . . . . . . . . . . . . . 311--311
        
                      Anonymous   Index of Inventions  . . . . . . . . . . 335--335
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 351--351
                      Anonymous   Single-Phase Electric Equipment on the
                                  Erie Railroad  . . . . . . . . . . . . . 320--320
                      Anonymous   The Automobile at the Recent Shows . . . 320--320
                      Anonymous   A New French Aeroplane Record  . . . . . 320--321
         George Ethelbert Walsh   Rescuing our Roads . . . . . . . . . . . 321--321
                      Anonymous   Engines  . . . . . . . . . . . . . . . . 322--322
                      Anonymous   Improvements in the Marmon Air-Cooled
                                  Motor  . . . . . . . . . . . . . . . . . 322--322
                      Anonymous   The National 6-Cylinder Engine . . . . . 322--322
                      Anonymous   The Hewitt 8-Cylinder 90-Degree Motor    323--323
                      Anonymous   The Carter Two-Engine Car  . . . . . . . 323--323
                      Anonymous   Transmissions and Chassis  . . . . . . . 324--324
                      Anonymous   The Gearless Two-Speed Transmission  . . 324--324
                      Anonymous   The Power Plant of the Holsman Car . . . 324--324
                      Anonymous   A Unique form of Transmission Gear . . . 324--325
                      Anonymous   The Imperial Chassis . . . . . . . . . . 325--325
                      Anonymous   The Lambert Friction-Drive Chassis . . . 325--325
                  Howard Greene   Types of Shock Absorbers for Automobiles 326--326
                 Harry W. Perry   Taximeter Motor Cabs in America  . . . . 327--329
                Harry B. Haines   How to Tour in an Automobile . . . . . . 330--331
                      Anonymous   Novelties  . . . . . . . . . . . . . . . 332--332
                      Anonymous   An Automobile Used as a Hoisting Engine  332--332
                      Anonymous   Automatic Speed Governor . . . . . . . . 332--332
                      Anonymous   The Auto-Slip Archim\`ede --- a Portable
                                  Apparatus for Lifting Automobiles for
                                  Examination and Repair . . . . . . . . . 332--332
             Louis J. Stellmann   A New Musical Instrument Which Produces
                                  Violin Effects . . . . . . . . . . . . . 334--334
                      Anonymous   Electric Incubators  . . . . . . . . . . 336--336
                      Anonymous   The Aero Club Trophies at the Automobile
                                  Show in the Grand Central Palace . . . . 338--338
                      Anonymous   ``Newmastic'' --- a Reliable and Elastic
                                  Filling for Pneumatic Tires  . . . . . . 339--340
                      Anonymous   A Novel Gasoline Tester  . . . . . . . . 342--342
                      Anonymous   Automobile Traffic Growth in New York    343--344
                      Anonymous   Some Improvements for the Motor Bicycle  344--345
                      Anonymous   A Novel Floatless Carbureter . . . . . . 345--345
                      Anonymous   Single Vibrator Apparatus for
                                  Synchronizing the Ignition Sparks of
                                  Multiple-Unit Coils  . . . . . . . . . . 346--346
                      Anonymous   The New Stoddard--Dayton Engine  . . . . 346--347
                      Anonymous   The 1908 Peerless Motors and Trans
                                  Mission  . . . . . . . . . . . . . . . . 347--348
                      Anonymous   A New Two-Cycle Motor and Truck  . . . . 348--349
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 27--27
                      Anonymous   Recently Patented Inventions . . . . . . 33--34
                      Anonymous   Notes and Queries  . . . . . . . . . . . 34--34
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 34--35
                      Anonymous   Index of Inventions  . . . . . . . . . . 35--39
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 39--39
                      Anonymous   Navy to Build ``Octopus'' Type of
                                  Submarine  . . . . . . . . . . . . . . . 22--22
                      Anonymous   Electric Power Plants are Responsible    22--22
                      Anonymous   The Steel Rail Problem . . . . . . . . . 22--22
                      Anonymous   Contract Awarded for Two
                                  ``Dreadnoughts'' . . . . . . . . . . . . 22--22
                      Anonymous   Board of Underwriters on Cement
                                  Construction . . . . . . . . . . . . . . 22--23
                      Anonymous   The Grand Prix International Automobile
                                  Race . . . . . . . . . . . . . . . . . . 23--23
                      Anonymous   Gasoline Motor Cars Adopted for Branch
                                  Line Service on the Union Pacific
                                  Railroad . . . . . . . . . . . . . . . . 23--23
                      Anonymous   Science Notes  . . . . . . . . . . . . . 23--23
                      Anonymous   A Traction Wheel with Sinusoidal Tread   24--24
                      Anonymous   Sand Painting  . . . . . . . . . . . . . 24--24
                      Anonymous   The Riddle of Mars . . . . . . . . . . . 25--26
                      Anonymous   How Linoleums and Oilcloths are Made . . 28--30
                      Anonymous   Some Interesting Tricks  . . . . . . . . 30--30
              Alfred Gradenwitz   Captive Balloons in the German Army and
                                  Navy . . . . . . . . . . . . . . . . . . 30--31
                      Anonymous   Patent Department  . . . . . . . . . . . 32--32
                      Anonymous   Apparatus for Sustaining and Directing
                                  Balloons . . . . . . . . . . . . . . . . 32--32
                      Anonymous   The Plug Puzzle  . . . . . . . . . . . . 32--32
                      Anonymous   Railway Track Construction . . . . . . . 32--32
                      Anonymous   An Improved Button Latch . . . . . . . . 32--32
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 359--359
                      Anonymous   Recently Patented Inventions . . . . . . 365--366
                      Anonymous   Notes and Queries  . . . . . . . . . . . 366--367
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 367--367
                      Anonymous   Index of Inventions  . . . . . . . . . . 367--371
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 371--371
                      Anonymous   The Man before the Furnace . . . . . . . 354--354
                      Anonymous   The Present Status of Transatlantic,
                                  Wireless Telegraphy  . . . . . . . . . . 354--354
                      Anonymous   The Eighth National Automobile Show in
                                  Madison Square Garden  . . . . . . . . . 354--354
                 S. A. Mitchell   How the Planets are Photographed . . . . 355--355
                      Anonymous   The Current Supplement . . . . . . . . . 355--355
                      Anonymous   Science Notes  . . . . . . . . . . . . . 355--355
                      Anonymous   Official Meteorological Summary, New
                                  York, N.Y., October, 1907  . . . . . . . 355--355
                      Anonymous   Edison's System of Concrete Houses . . . 356--356
                      Anonymous   The Bredsdorff Stranding Buoy  . . . . . 356--357
          Jhon Miller Boneright   A New American Aeroplane . . . . . . . . 357--358
                      Anonymous   The Latest French Aeroplanes and Their
                                  Records  . . . . . . . . . . . . . . . . 358--359
                      Anonymous   The Vienna Serum Institute . . . . . . . 360--360
               Day Allen Willey   The Marble Quarries of Carrara . . . . . 361--362
                      Anonymous   The New Susquehanna Bridge, Pennsylvania
                                  Railroad . . . . . . . . . . . . . . . . 362--363
            Harold J. Shepstone   The Launch of the Bow of the ``Suevic''  363--363
         Katherine Louise Smith   A Curious Bread School . . . . . . . . . 364--364
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 379--379
                      Anonymous   Recently Patented Inventions . . . . . . 384--384
                      Anonymous   Index of Inventions  . . . . . . . . . . 384--387
                      Anonymous   Patent Notes: Patent . . . . . . . . . . 387--387
                      Anonymous   Labor Saving at Panama . . . . . . . . . 374--374
                      Anonymous   Our National Wastefulness  . . . . . . . 374--374
                      Anonymous   Commerce on the Great Lakes  . . . . . . 374--375
                Raymond M'Bride   Logging in the Northwest . . . . . . . . 375--375
                      Anonymous   Science Notes  . . . . . . . . . . . . . 375--375
                 S. A. Mitchell   ``Knots'' in the Rings of Saturn . . . . 376--376
                      Anonymous   The Clifden Station of the Marconi
                                  Wireless Telegraph System  . . . . . . . 377--377
                      Anonymous   The Largest Single Office Building in
                                  the World  . . . . . . . . . . . . . . . 378--378
                      Anonymous   The Quadruple Turbine Steamship
                                  ``Mauretania'' . . . . . . . . . . . . . 380--382
                      Anonymous   Patent Department  . . . . . . . . . . . 383--383
                      Anonymous   Automatic Coupling for Brake Pipes . . . 383--383
                      Anonymous   Water Elevator for Windmills . . . . . . 383--383
                      Anonymous   Improved Ditching Plow . . . . . . . . . 383--383
        
           Henry Norris Russell   The Heavens in December  . . . . . . . . 391--391
                      Anonymous   Correspondence . . . . . . . . . . . . . 394--395
                      Anonymous   Recently Patented Inventions . . . . . . 400--400
                      Anonymous   Index of Inventions  . . . . . . . . . . 400--403
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 403--403
                      Anonymous   Light on the Quebec Bridge Disaster  . . 390--390
                      Anonymous   Train Ferries for the English Channel    390--390
                      Anonymous   National Swamp Reclamation . . . . . . . 390--390
                      Anonymous   The Use of the Gyroscope in Connection
                                  with Airships  . . . . . . . . . . . . . 390--390
                      Anonymous   Electric Sunstroke . . . . . . . . . . . 391--391
                  J. A. Stewart   The New Bridge over the Wissahickon at
                                  Philadelphia . . . . . . . . . . . . . . 392--393
                 S. A. Mitchell   The Transit of Mercury . . . . . . . . . 393--393
                      Anonymous   The Enlargement and Reconstruction of
                                  Governor's Island  . . . . . . . . . . . 395--395
                      Anonymous   The Peters Self-Registering Electric
                                  Target for Rifle Ranges  . . . . . . . . 395--396
                  Percy Collins   The Nests and Nurseries of Insects . . . 396--398
                Gustave Michaud   Some Experiments with a Mirror . . . . . 398--398
                      Anonymous   Patent Department  . . . . . . . . . . . 399--399
                      Anonymous   A New Type of Storage Battery  . . . . . 399--399
                      Anonymous   Combined Water Heater, Filter, and
                                  Cooler . . . . . . . . . . . . . . . . . 399--399
                      Anonymous   Improved Boring Bar  . . . . . . . . . . 399--399
        
                      Anonymous   Recently Patented Inventions . . . . . . 419--419
                      Anonymous   Notes and Queries  . . . . . . . . . . . 423--423
                      Anonymous   Index of Inventions  . . . . . . . . . . 423--428
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 429--429
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 435--435
                      Anonymous   What Constitutes Naval Strength? . . . . 406--406
                      Anonymous   The Battleship and Gun of the Future . . 406--406
                      Anonymous   Remarkable Target Practice by the
                                  Flagship of the Pacific Fleet  . . . . . 406--406
                      Anonymous   The Motor Torpedo Boat --- a New Type    406--406
                    A. T. Mahan   The True Significance of the Pacific
                                  Cruise . . . . . . . . . . . . . . . . . 407--407
                      Anonymous   Battleships  . . . . . . . . . . . . . . 408--408
                      Anonymous   The Battleships ``Kearsarge'' and
                                  ``Kentucky'' . . . . . . . . . . . . . . 408--408
                      Anonymous   The First-Class Battleship ``Alabama''
                                  --- Class of Three Ships . . . . . . . . 408--409
                      Anonymous   First-Class Battleship ``Maine'' ---
                                  Class of Three Ships . . . . . . . . . . 409--409
                      Anonymous   First-Class Battleship ``Georgia'' ---
                                  Class of Five Ships  . . . . . . . . . . 409--409
                      Anonymous   First-Class Battleship ``Connecticut''
                                  --- Class of Six Ships . . . . . . . . . 409--410
                      Anonymous   Cruisers . . . . . . . . . . . . . . . . 411--411
                      Anonymous   Protected Cruiser ``Charleston'' ---
                                  Class of Three Ships . . . . . . . . . . 411--411
                      Anonymous   Unarmored Cruiser ``Chattanooga'' and
                                  Class  . . . . . . . . . . . . . . . . . 411--412
                      Anonymous   The Scout Cruiser ``Salem'' and Class    412--412
                      Anonymous   Harbor-Defense Monitors  . . . . . . . . 413--413
                      Anonymous   Torpedo-Boat Destroyers  . . . . . . . . 413--413
                      Anonymous   Warship Tonnage of the Principal Naval
                                  Powers . . . . . . . . . . . . . . . . . 414--414
                Edward L. Beach   The United States Naval Academy  . . . . 415--417
                   D. W. Taylor   Simple Explanation of Model Basin
                                  Methods  . . . . . . . . . . . . . . . . 418--418
                      Anonymous   The Development of Our Submarine Fleet   420--420
                      Anonymous   Guns and Armor . . . . . . . . . . . . . 422--422
                      Anonymous   First-Class Battleships ``Idaho'' and
                                  ``Mississippi''  . . . . . . . . . . . . 430--430
                      Anonymous   First-Class Battleships ``South
                                  Carolina'' and ``Michigan''  . . . . . . 430--431
                      Anonymous   The 20-000-Ton ``North Dakota'' and
                                  ``Delaware'' . . . . . . . . . . . . . . 431--431
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 443--443
                      Anonymous   Recently Patented Inventions . . . . . . 448--448
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 448--448
                      Anonymous   Index of Inventions  . . . . . . . . . . 448--451
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 451--451
                      Anonymous   Separate Entrances and Exits on Cars . . 438--438
                      Anonymous   Comprehensive Scheme for National
                                  Water-Ways . . . . . . . . . . . . . . . 438--438
                      Anonymous   The Loss of the French Airship ``La
                                  Patrie'' . . . . . . . . . . . . . . . . 438--438
                      Anonymous   Archæological Work in Wyoming . . . . . . 438--439
                      Anonymous   The Mysterious Railway Disasters in
                                  England  . . . . . . . . . . . . . . . . 439--439
                      Anonymous   Science Notes  . . . . . . . . . . . . . 439--439
                  Jacques Boyer   New Experiments in Radio-Activity  . . . 440--440
                Percival Lowell   Saturn's Tores . . . . . . . . . . . . . 441--442
                Thomas R. Baker   An Easily Made Micrometer  . . . . . . . 443--443
              Alfred Gradenwitz   A Glimpse of Western Tibet --- an
                                  Austrian Expedition to the Forbidden
                                  Land . . . . . . . . . . . . . . . . . . 444--444
                      Anonymous   Santos Dumont's Latest Aeroplane . . . . 445--446
              Walter L. Beasley   A Carnivorous Dinosaur: A Reconstructed
                                  Skeleton of a Huge Saurian . . . . . . . 446--447
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 459--459
                      Anonymous   Recently Patented Inventions . . . . . . 464--464
                      Anonymous   Notes and Queries  . . . . . . . . . . . 464--464
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 464--465
                      Anonymous   Index of Inventions  . . . . . . . . . . 465--467
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 468--468
                      Anonymous   The President on Employers' Liability    454--454
                      Anonymous   Difficulties in Constructing the Great
                                  Catskill Aqueduct Siphon . . . . . . . . 454--454
                      Anonymous   The Mastery of the Ocean . . . . . . . . 454--454
                      Anonymous   Proposed New Ships for the Navy  . . . . 454--455
                      Anonymous   Recent Automobile Endurance Tests  . . . 455--455
                      Anonymous   The Motor Boat Show at the Grand Central
                                  Palace . . . . . . . . . . . . . . . . . 455--455
                  Jacques Boyer   The Belin Process of Telephotography . . 456--457
                      Anonymous   An Artificial Horizon for Sextants . . . 457--457
         Katherine Louise Smith   Mexican Fiestas  . . . . . . . . . . . . 457--458
              James Cooke Mills   The Detroit River Tunnel . . . . . . . . 458--458
                      Anonymous   Recent Archæological Discoveries in Egypt 460--461
                Gustave Michaud   A Chromatic Illusion . . . . . . . . . . 462--462
                      Anonymous   New and Ingenious French Toys  . . . . . 462--463
        
                      Anonymous   Recently Patented Inventions . . . . . . 481--481
                      Anonymous   Notes and Queries  . . . . . . . . . . . 482--482
                      Anonymous   Index of Inventions  . . . . . . . . . . 482--484
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 485--486
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 487--487
                      Anonymous   Build Gatun Locks for the Future . . . . 470--470
                      Anonymous   Proposed Government Forest Preserves . . 470--470
                      Anonymous   Enormous Death Roll among the Miners . . 470--470
                      Anonymous   Vibration in Passenger Ships . . . . . . 470--471
                      Anonymous   Anthracite Coal Centennial . . . . . . . 471--471
                Marcus Benjamin   Edward Leamington Nichols  . . . . . . . 471--471
                      Anonymous   The Current Supplement . . . . . . . . . 471--471
                      Anonymous   Science Notes  . . . . . . . . . . . . . 471--471
                      Anonymous   The Foreign Automobile Show in Madison
                                  Square Garden  . . . . . . . . . . . . . 471--471
                      Anonymous   To Our Subscribers . . . . . . . . . . . 471--471
                      Anonymous   Safety Suit of Aeronauts . . . . . . . . 472--472
                Gustave Michaud   A Chemical Puzzle  . . . . . . . . . . . 472--472
                Harry A. Hannum   An Instrument for Drawing Ellipses and
                                  Hyperbolas . . . . . . . . . . . . . . . 472--472
                  Jacques Boyer   The New Henry Dynamometer  . . . . . . . 472--473
                      Anonymous   The Oval Billiard Table  . . . . . . . . 473--473
              Frederic R. Honey   The Total Eclipse of the Sun in January,
                                  1908 . . . . . . . . . . . . . . . . . . 474--474
                      Anonymous   Lord Kelvin  . . . . . . . . . . . . . . 475--475
                      Anonymous   The Manufacture of High Explosives . . . 475--478
              Alfred Gradenwitz   The Influence of Profession on the Shape
                                  of the Hand  . . . . . . . . . . . . . . 478--478
                      Anonymous   Dr. Branly's Apparatus for Control of
                                  Distant Mechanical Effects . . . . . . . 478--480
                 George Gilbert   An Automatic Violin Player . . . . . . . 480--480
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 47--47
                      Anonymous   Recently Patented Inventions . . . . . . 52--52
                      Anonymous   Index of Inventions  . . . . . . . . . . 52--55
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 55--55
                      Anonymous   Around the World in Forty Days . . . . . 42--42
                      Anonymous   Steady Improvement in Naval Gunnery  . . 42--42
                      Anonymous   Relative Risk of Overhead and Third-Rail
                                  Conductors . . . . . . . . . . . . . . . 42--42
                      Anonymous   The Lumi\`ere Single-Plate Process of
                                  Color Photography  . . . . . . . . . . . 42--43
                  J. Kent Smith   The Rail Situation . . . . . . . . . . . 43--43
                      Anonymous   Engineering Notes  . . . . . . . . . . . 43--43
                  Jacques Boyer   A New Automobile Boat  . . . . . . . . . 44--44
                     Cara Reese   An Exhibition of Fruits and Vegetables
                                  in Wax . . . . . . . . . . . . . . . . . 45--46
              Frederic R. Honey   The Moon's Phases and Eclipse in July,
                                  1907 . . . . . . . . . . . . . . . . . . 46--46
                     Henry Hale   Osborne College: An English Naval School 48--49
                   H. L. Morgan   A New Identification System in the
                                  United States Army . . . . . . . . . . . 50--50
                      Anonymous   Ionic Therapeutics . . . . . . . . . . . 51--51
        
           Henry Norris Russell   The Heavens in August  . . . . . . . . . 59--59
                      Anonymous   Correspondence . . . . . . . . . . . . . 63--63
                      Anonymous   Recently Patented Inventions . . . . . . 68--68
                      Anonymous   Index of Inventions  . . . . . . . . . . 68--71
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 71--71
                      Anonymous   Is a Revision of Gatun Dam Necessary?    58--58
                      Anonymous   Battleship ``Georgia'' Disaster  . . . . 58--58
                      Anonymous   Latest Results with Marine Turbines  . . 58--58
                      Anonymous   Opening of the New Haven Railroad
                                  Electric Service . . . . . . . . . . . . 58--58
                      Anonymous   The Heating of Copper Wires by Electric
                                  Currents . . . . . . . . . . . . . . . . 59--59
                      Anonymous   Building Railway Coaches with Side Doors 59--59
                      Anonymous   The First Races and Records on the New
                                  Weybridge Track  . . . . . . . . . . . . 60--61
                      Anonymous   Block Signals in the Cab of the
                                  Locomotive . . . . . . . . . . . . . . . 61--62
                      Anonymous   Death of Sir William Perkin  . . . . . . 62--62
                   C. H. Claudy   Photomicrographs without a Microscope    64--64
                  Jacques Boyer   Orthopedic Appliances  . . . . . . . . . 65--66
            Arthur L. Williston   Some Strange Sources of Water Power on
                                  the Coast of Dalmatia  . . . . . . . . . 66--66
                      Anonymous   Patent Department  . . . . . . . . . . . 67--67
                      Anonymous   Attachment for Sewing Machines . . . . . 67--67
                      Anonymous   Answer to the Plug Puzzle  . . . . . . . 67--67
                      Anonymous   Building Block for Concrete Construction 67--67
                      Anonymous   An Improvement in Hammers  . . . . . . . 67--67
        
                      Anonymous   Recently Patented Inventions . . . . . . 85--86
                      Anonymous   Notes and Queries  . . . . . . . . . . . 86--87
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 87--87
                      Anonymous   Index of Inventions  . . . . . . . . . . 87--91
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 91--91
                      Anonymous   A Costly Blunder . . . . . . . . . . . . 74--74
                      Anonymous   The Perils of the Long Island Grade
                                  Crossing . . . . . . . . . . . . . . . . 74--74
                      Anonymous   Perils of Record Target Firing . . . . . 74--74
                      Anonymous   Good Work by Our Submarines  . . . . . . 74--74
                      Anonymous   Bright Outlook for Better Rails  . . . . 74--74
                      Anonymous   Designer Fife on the ``America'' Cup
                                  Contest  . . . . . . . . . . . . . . . . 74--75
                      Anonymous   A Fleet of French Military Airships  . . 75--75
                   H. A. Crafts   Present and Prospective Docking
                                  Facilities of the Pacific Coast  . . . . 75--75
                      Anonymous   The Current Supplement . . . . . . . . . 75--75
                      Anonymous   A Practical Gliding Craft with Submerged
                                  Hydroplanes  . . . . . . . . . . . . . . 76--76
                      Anonymous   Results of the American Automobile
                                  Association's Fourth Annual Tour for the
                                  Glidden and Hower Trophies . . . . . . . 77--78
                      Anonymous   The Inauguration of the New Haven
                                  Railroad Electric Service  . . . . . . . 79--81
           A. Frederick Collins   An Improved Electric Welder  . . . . . . 82--82
                      Anonymous   The New Vickers--Maxim Automatic
                                  Rifle-Caliber Gun  . . . . . . . . . . . 83--83
                    H. G. Moore   A Home-Made Airship  . . . . . . . . . . 83--84
                      Anonymous   An Improved Lath Cutter  . . . . . . . . 84--84
                      Anonymous   Improved Vehicle Wheel . . . . . . . . . 84--84
                      Anonymous   An Improvised Tandem . . . . . . . . . . 84--84
                      Anonymous   An Improved Bench Stop . . . . . . . . . 84--84
                      Anonymous   Oddities in Invention  . . . . . . . . . 84--84
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 99--99
                      Anonymous   Recently Patented Inventions . . . . . . 105--106
                      Anonymous   Notes and Queries  . . . . . . . . . . . 106--106
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 107--107
                      Anonymous   Index of Inventions  . . . . . . . . . . 107--111
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 111--111
                      Anonymous   At Last a 25-Knot Liner  . . . . . . . . 94--94
                      Anonymous   Colorado Dam is Permanent  . . . . . . . 94--94
                      Anonymous   Is Rusting Electrolytic? . . . . . . . . 94--94
                      Anonymous   Cause and Cure of Split Rail Heads . . . 94--95
                      Anonymous   Ramsay's Discovery of the Degradation of
                                  Copper to Lithium  . . . . . . . . . . . 95--95
         Herbert W. Horwill and   
                           M. A   The Story of an Ancient Mine . . . . . . 95--95
                      Anonymous   Science Notes  . . . . . . . . . . . . . 95--95
                      Anonymous   The 25-Knot Turbine Liner ``Lusitania''  96--96
                S. P. Fergusson   The International Kite Ascensions  . . . 97--98
                      Anonymous   The Erection of the Blackwell's Island
                                  Bridge . . . . . . . . . . . . . . . . . 100--101
                  Louis C. Kane   A Revolution in Postal Car Construction  102--103
              Walter L. Beasley   The Greatest of Mastodons  . . . . . . . 103--104
                      Anonymous   An Electric Dining Table . . . . . . . . 104--105
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 119--119
                      Anonymous   Recently Patented Inventions . . . . . . 124--124
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 124--124
                      Anonymous   Index of Inventions  . . . . . . . . . . 124--127
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 127--127
                      Anonymous   Concrete and Cupidity  . . . . . . . . . 114--114
                      Anonymous   Ambrose Channel now One-Half Completed   114--114
                      Anonymous   Smokeless Powder and Ammunition Rooms    114--114
                      Anonymous   Route of Catskill Aqueduct Changed . . . 114--114
                      Anonymous   Growth of our Exports of Manufactures    114--114
                      Anonymous   A Prize for the Extraction of Flax . . . 114--115
      George Frederick Stratton   A College of Invention . . . . . . . . . 115--115
                      Anonymous   Science Notes  . . . . . . . . . . . . . 115--115
                      Anonymous   The Current Supplement . . . . . . . . . 115--115
                      Anonymous   A Scientific Study of the Racehorse, and
                                  Its use in Mounting the Skeleton of
                                  Sysonby  . . . . . . . . . . . . . . . . 116--117
                      Anonymous   The New United States Scout Cruiser
                                  ``Salem''  . . . . . . . . . . . . . . . 117--118
                 Baker Brownell   A Home-Made Air Thermometer  . . . . . . 118--118
                      Anonymous   The Largest Locomotive Ever Constructed  119--121
                      Anonymous   A Locomotive Driving-Wheel Recording
                                  Device . . . . . . . . . . . . . . . . . 122--122
              J. B. Van Brussel   A New Egyptian Irrigation Canal  . . . . 122--123
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 135--135
                      Anonymous   Recently Patented Inventions . . . . . . 140--140
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 140--140
                      Anonymous   Index of Inventions  . . . . . . . . . . 140--143
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 143--143
                      Anonymous   The Question of Two Engineers in the Cab 130--130
                      Anonymous   Steam Trials of the ``Lusitania''  . . . 130--130
                      Anonymous   ``Cecilie'': The Fastest
                                  Reciprocating-Engine Liner Afloat  . . . 130--130
                      Anonymous   Government Fuel Tests at Jamestown . . . 131--131
                      Anonymous   The 24-Hour Automobile Race on the
                                  Brighton Beach Track . . . . . . . . . . 131--131
                      Anonymous   The Current Supplement . . . . . . . . . 131--131
                      Anonymous   Science Notes  . . . . . . . . . . . . . 131--131
                      Anonymous   Opening of the Large Drydock at League
                                  Island . . . . . . . . . . . . . . . . . 132--132
              Randolph I. Geare   Magical Cures  . . . . . . . . . . . . . 132--133
                 Wilmar F. Lent   A Home-Made Alternating-Current
                                  Rectifier  . . . . . . . . . . . . . . . 134--134
                      Anonymous   The Meats We Eat . . . . . . . . . . . . 135--135
                  M. J. Peltier   The ``Typhonoid'' --- a New Type of
                                  Motor Boat . . . . . . . . . . . . . . . 136--136
               Day Allen Willey   Magnified Models of Insect Pests . . . . 137--138
                  Jacques Boyer   Employment of High-Frequency Currents in
                                  Therapeutics . . . . . . . . . . . . . . 138--139
                      Anonymous   An Improvement in Safety Razors  . . . . 139--139
                      Anonymous   A Novel Vehicle Spring . . . . . . . . . 139--139
                      Anonymous   An Improved Invalid's Bed  . . . . . . . 139--139
                      Anonymous   Barrel Stand and Truck . . . . . . . . . 139--139
        
                      Anonymous   Recently Patented Inventions . . . . . . 156--156
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 156--156
                      Anonymous   Index of Inventions  . . . . . . . . . . 156--159
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 159--159
                      Anonymous   Combined Reciprocating and Turbine
                                  Engines  . . . . . . . . . . . . . . . . 146--146
                      Anonymous   United States and British Gunnery  . . . 146--146
                      Anonymous   Health Conditions in the Subway  . . . . 146--146
                      Anonymous   Fulton the Father of Commercial
                                  Steamboat Navigation . . . . . . . . . . 146--146
           Henry Norris Russell   The Heavens in September . . . . . . . . 147--147
                      Anonymous   The Competition for the
                                  \booktitleScientific American Flying
                                  Machine Trophy . . . . . . . . . . . . . 147--147
                      Anonymous   ``Black Art'' Redivivus  . . . . . . . . 148--148
                  Percy Collins   Striking a Light . . . . . . . . . . . . 149--150
                      Anonymous   The Races for the Astor and King's Cup   151--151
                    F. C. Kuntz   Some Notable German Bridges  . . . . . . 151--154
             George R. Marriner   The Sheep-Killing Kea  . . . . . . . . . 154--154
                      Anonymous   Variable Pressure Mechanism for Air
                                  Brakes . . . . . . . . . . . . . . . . . 155--155
        
           Henry Norris Russell   The Heavens in January . . . . . . . . . 9--9
                      Anonymous   Recently Patented Inventions . . . . . . 15--16
                      Anonymous   Notes and Queries  . . . . . . . . . . . 16--16
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 16--17
                      Anonymous   Index of Inventions  . . . . . . . . . . 17--19
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 20--20
                      Anonymous   Retrospect of the Year 1907  . . . . . . 4--5
               Day Allen Willey   A North Carolina Power Dam . . . . . . . 6--6
                      Anonymous   Signal Lights for Breeches Buoys . . . . 7--7
                      Anonymous   The Fastest Warships Afloat  . . . . . . 10--10
                   J. F. Howell   Target Practice --- One Element of our
                                  National Coast Defense . . . . . . . . . 10--12
                  William Allen   A Motor for Winter Traction  . . . . . . 12--12
                      Anonymous   Device for Stretching Wire . . . . . . . 13--13
                      Anonymous   Novel Attachment for Agricultural
                                  Implements . . . . . . . . . . . . . . . 13--13
                      Anonymous   Safety Plate for Horseshoes  . . . . . . 13--13
                      Anonymous   Covering for Automobile Tires  . . . . . 13--13
                      Anonymous   Mail Deliverer and Receiver  . . . . . . 13--14
                      Anonymous   Lock for Vehicle Seats . . . . . . . . . 14--14
                      Anonymous   An Improved Marking Gage . . . . . . . . 14--14
                      Anonymous   Oddities in Invention  . . . . . . . . . 14--14
        
           Henry Norris Russell   The Heavens in March . . . . . . . . . . 163--163
                      Anonymous   Correspondence . . . . . . . . . . . . . 167--167
                      Anonymous   Index of Inventions  . . . . . . . . . . 172--175
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 175--175
                      Anonymous   Heavy Traffic through the Newly-Opened
                                  Hudson Tunnel  . . . . . . . . . . . . . 162--162
                      Anonymous   Double-Door Cars for Subway Congestion   162--162
                      Anonymous   Urgent Need for the Catskill Water
                                  Supply . . . . . . . . . . . . . . . . . 162--162
                      Anonymous   The Alleged Patent Office Frauds . . . . 162--162
                      Anonymous   Sand Building-Bricks . . . . . . . . . . 163--163
                      Anonymous   Experiments with Recent French
                                  Aeroplanes . . . . . . . . . . . . . . . 164--165
                      Anonymous   Progress of the Catskill Water Supply    165--166
                      Anonymous   II --- The British Navy of To-Day  . . . 167--170
                Frank J. Kenney   A Simple Wireless Telegraph Detector . . 170--170
                      Anonymous   Patent Department  . . . . . . . . . . . 171--171
                      Anonymous   Stamp-Affixing Machine . . . . . . . . . 171--171
                      Anonymous   Improved Plane Provided with Adjustable
                                  Guides . . . . . . . . . . . . . . . . . 171--171
                      Anonymous   An Improved Washing Machine  . . . . . . 171--171
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 183--183
                      Anonymous   Recently Patented Inventions . . . . . . 189--191
                      Anonymous   Notes and Queries  . . . . . . . . . . . 191--192
                      Anonymous   Books: New Books Etc . . . . . . . . . . 192--192
                      Anonymous   Index of Inventions  . . . . . . . . . . 192--195
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 195--195
                      Anonymous   Cause of the Quebec Bridge Failure . . . 178--178
                      Anonymous   Second Pennsylvania East River Tube
                                  Finished . . . . . . . . . . . . . . . . 178--178
                      Anonymous   Extemporized Jet Propulsion  . . . . . . 178--178
                      Anonymous   The Ocean Mail Bill  . . . . . . . . . . 178--178
                      Anonymous   The Crookedness of the Hudson Tunnel . . 178--178
                      Anonymous   Submarines Versus Battleships  . . . . . 178--179
                      Anonymous   An International Life-Saving Congress    179--179
                      Anonymous   Radiography in Pearl Fishing . . . . . . 179--179
                      Anonymous   Official Meteorological Summary, New
                                  York, N.Y., February, 1908 . . . . . . . 179--179
                      Anonymous   The Current Supplement . . . . . . . . . 179--179
                      Anonymous   A New Planet . . . . . . . . . . . . . . 179--179
                      Anonymous   A Motor Ice Boat . . . . . . . . . . . . 180--180
                      Anonymous   The Fastest Ship in the American Navy    180--180
                Herbert T. Wade   Poetry and Speech Subjects of Scientific
                                  Inquiry  . . . . . . . . . . . . . . . . 181--182
                  Jacques Boyer   A Hospital for Small Animals . . . . . . 184--184
                   C. H. Claudy   The Ourdan Engraving Machine . . . . . . 185--188
                 Owen Macdonald   The United States Military Academy at
                                  West Point --- Where the American
                                  Officer is Trained . . . . . . . . . . . 188--189
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 203--203
                      Anonymous   Recently Patented Inventions . . . . . . 209--209
                      Anonymous   Notes and Queries  . . . . . . . . . . . 209--210
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 210--211
                      Anonymous   Index of Inventions  . . . . . . . . . . 211--215
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 215--215
                      Anonymous   Joining the Blackwell's Island Bridge
                                  Cantilevers  . . . . . . . . . . . . . . 198--198
                      Anonymous   New Transatlantic Records  . . . . . . . 198--198
                      Anonymous   A New Explanation of Raised Ocean
                                  Beaches  . . . . . . . . . . . . . . . . 198--198
                      Anonymous   Competition in Submarine Construction    198--199
                      Anonymous   Reinforced Concrete in Shipbuilding  . . 199--199
                      Anonymous   How to Take Advantage of Variations in
                                  Rates of Gas and Electricity . . . . . . 199--199
                      Anonymous   The Use of the Cinematograph in Medicine 199--199
                      Anonymous   The Current Supplement . . . . . . . . . 199--199
                      Anonymous   Death of John Burry  . . . . . . . . . . 199--199
                      Anonymous   The First Successful Trial of a New
                                  American Aeroplane . . . . . . . . . . . 200--200
               W. Frank M'clure   The Largest Fresh-Water Dock in the
                                  World  . . . . . . . . . . . . . . . . . 201--201
                 S. A. Mitchell   Water Vapor on Mars  . . . . . . . . . . 201--202
                    J. Springer   The Fourth Dimension Simply Explained    202--203
                      Anonymous   A Unique System of Illumination for
                                  Harbor Channels  . . . . . . . . . . . . 203--203
              Alfred Gradenwitz   The Mutual Relations of Geometry and
                                  Mechanics and Prof. Reuleaux's
                                  Mechanical Movements . . . . . . . . . . 204--205
                Gustave Michaud   Photographs with Tapestry Effects  . . . 206--206
                      Anonymous   An Improved Railway Spike  . . . . . . . 207--207
                      Anonymous   Combined Chair and Cabinet . . . . . . . 207--207
                      Anonymous   Ax Attachment for Sawing Logs  . . . . . 207--207
                      Anonymous   Combined Steam and Hot-Water Heating
                                  Apparatus  . . . . . . . . . . . . . . . 207--207
                      Anonymous   Bell Piano . . . . . . . . . . . . . . . 207--208
                      Anonymous   Oddities in Inventions . . . . . . . . . 208--208
        
           Henry Norris Russell   The Heavens in April . . . . . . . . . . 219--219
                      Anonymous   Recently Patented Inventions . . . . . . 229--229
                      Anonymous   Notes and Queries  . . . . . . . . . . . 229--230
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 230--230
                      Anonymous   Index of Inventions  . . . . . . . . . . 230--235
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 235--235
                      Anonymous   Acetylene Lamps and Smoky Automobiles    218--218
                      Anonymous   The Comparative Trials of Our Scout
                                  Cruisers . . . . . . . . . . . . . . . . 218--218
                      Anonymous   The New York High-Pressure Fire
                                  Protection System  . . . . . . . . . . . 218--218
            Charles Christadoro   ``Gluten'' Bread and Cracker Frauds  . . 219--219
                      Anonymous   Rubber Statistics of 1907  . . . . . . . 219--219
                      Anonymous   A Reinforced Concrete Elevated Tank  . . 220--220
                      Anonymous   New Process for Making Shoes . . . . . . 220--220
                      Anonymous   An Automatic Milk Supply . . . . . . . . 220--220
                Gustave Michaud   Some Experiments with Carbon Disulphide  221--221
                      Anonymous   An Observatory for Public Use  . . . . . 221--222
                      Anonymous   Curious Facts about Numbers  . . . . . . 222--223
                      Anonymous   Joining of Last Span of Blackwell's
                                  Island Bridge  . . . . . . . . . . . . . 223--223
                      Anonymous   How to Construct a Balloon. --- The
                                  Making, Inflating and Sailing of Gas
                                  Balloons . . . . . . . . . . . . . . . . 224--227
                 J. F. Springer   The Ever-Shifting Eyeball. --- Some New
                                  Experiments and Some New Conclusions . . 227--228
                      Anonymous   New Types of Lifebelts . . . . . . . . . 228--228
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 243--243
                      Anonymous   Recently Patented Inventions . . . . . . 248--248
                      Anonymous   Index of Inventions  . . . . . . . . . . 248--251
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 251--251
                      Anonymous   The Peril of the Turnstile Door  . . . . 238--238
                      Anonymous   The Senate Hearing on the Alleged
                                  Defects of our Navy  . . . . . . . . . . 238--238
                      Anonymous   Government Aid in the Development of
                                  Aeronautics  . . . . . . . . . . . . . . 238--239
             Herbert W. Horwill   Scientists at Play . . . . . . . . . . . 239--239
                      Anonymous   Decolorizing Power of Animal Charcoal    239--239
                      Anonymous   The Current Supplement . . . . . . . . . 239--239
                   L. F. Wilson   Lowering the Traction Tunnels Tinder the
                                  Chicago River  . . . . . . . . . . . . . 240--240
                      Anonymous   Japanese Battleship ``Iwami'' as she was
                                  and is --- a Lesson in ``Freeboard'' . . 241--242
                      Anonymous   Lippmann's Method of Stereophotography
                                  without a Lens . . . . . . . . . . . . . 242--242
                      Anonymous   A New Apparatus for Submarine Operations 243--243
                  Jacques Boyer   The Manufacture of Mechanical Organs . . 244--245
                 S. A. Mitchell   Saturn's Rings . . . . . . . . . . . . . 246--246
                      Anonymous   Patent Department  . . . . . . . . . . . 247--247
                      Anonymous   Gas Engine Igniter . . . . . . . . . . . 247--247
                      Anonymous   Casting Tool for Printing Offices  . . . 247--247
                      Anonymous   Improved Sash Lock . . . . . . . . . . . 247--247
                      Anonymous   An Improved Gasoline Trap  . . . . . . . 247--247
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 259--259
                      Anonymous   Recently Patented Inventions . . . . . . 264--264
                      Anonymous   Index of Inventions  . . . . . . . . . . 264--267
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 267--267
                      Anonymous   British and American Railway Accidents   254--254
                      Anonymous   East River Bridge Number Five  . . . . . 254--254
                      Anonymous   Great Economy of Electric Traction on
                                  Steam Railroads  . . . . . . . . . . . . 254--254
                      Anonymous   Oil Fuel in the British Navy . . . . . . 254--254
                      Anonymous   A Producer-Gas-Driven Automobile . . . . 255--255
                 J. W. Moultrie   Lime Beton . . . . . . . . . . . . . . . 255--255
                      Anonymous   The Latest International Aeronautic
                                  Prize  . . . . . . . . . . . . . . . . . 255--255
                      Anonymous   Extermination of Mosquitoes by Cactus
                                  Paste  . . . . . . . . . . . . . . . . . 255--255
                      Anonymous   The First Two-Passenger Aeroplane  . . . 256--256
                      Anonymous   A Physician's Novel Use of an Automobile
                                  Acetylene Light  . . . . . . . . . . . . 256--256
                      Anonymous   A Salvage Dock for Submarines  . . . . . 257--257
                  Jacques Boyer   The New Refuse Receptacles of Paris. ---
                                  a Suggestion for American Municipalities 257--258
                      Anonymous   The Henry Hudson Memorial Bridge . . . . 258--258
        Riley M. Fletcher Berry   The Recent Work of Luther Burbank  . . . 260--262
                      Anonymous   The Use of Balloons for the Prevention
                                  of Hail  . . . . . . . . . . . . . . . . 262--262
                   Barnum Brown   Trachodont, the Duck-Billed Dinosaur.
                                  --- Skeletons of Prehistoric Reptiles
                                  More Than Three Million Years Old  . . . 262--263
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 275--275
                      Anonymous   Recently Patented Inventions . . . . . . 281--282
                      Anonymous   Notes and Queries  . . . . . . . . . . . 282--282
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 283--283
                      Anonymous   Index of Inventions  . . . . . . . . . . 283--287
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 287--287
                      Anonymous   Healthy Conditions at Panama in 1907 . . 270--270
                      Anonymous   Safety of the Brooklyn Bridge  . . . . . 270--270
                      Anonymous   Double-Deck Subway Express Stations  . . 270--270
                      Anonymous   Heroic Measures in Hudson Tunnel
                                  Construction . . . . . . . . . . . . . . 270--270
                      Anonymous   Safety Devices on Railroads  . . . . . . 270--271
                      Anonymous   The Aviation Section of the Aero Club of
                                  America  . . . . . . . . . . . . . . . . 271--271
                      Anonymous   New York's Automobile Carnival and Hill
                                  Climb  . . . . . . . . . . . . . . . . . 271--271
                   L. F. Wilson   Facts about the Use of the Air Brake . . 271--271
                      Anonymous   Second Exhibition of Safety Devices  . . 271--271
                      Anonymous   The Current Supplement . . . . . . . . . 271--271
                      Anonymous   Science Notes  . . . . . . . . . . . . . 271--271
                  F. C. Coleman   The Latest Development in British
                                  Railway Locomotive Design  . . . . . . . 272--272
               William H. Place   Weather Vane with Attachment for Indoor
                                  Readings . . . . . . . . . . . . . . . . 272--272
                  Jacques Boyer   A Machine that Saws 240,000 Wooden
                                  Paving Blocks in a Day . . . . . . . . . 273--274
                 J. F. Springer   Is the Axis of the Earth Shifting? . . . 274--275
                      Anonymous   Successful Test of the Cornu Helicopter  276--276
                      Anonymous   The United States Battleships
                                  ``Delaware'' and ``North Dakota''  . . . 276--278
                      Anonymous   Puck's Conception of the
                                  \booktitleScientific American  . . . . . 278--278
                      Anonymous   Patent Department  . . . . . . . . . . . 279--279
                      Anonymous   Tobacco Hanger . . . . . . . . . . . . . 279--279
                      Anonymous   Thill Coupling . . . . . . . . . . . . . 279--279
                      Anonymous   Revolving Flash Lamp . . . . . . . . . . 279--279
                      Anonymous   Pneumatic Valve Mechanism for Piano
                                  Players  . . . . . . . . . . . . . . . . 279--280
                      Anonymous   A New Type of Automobile Horn  . . . . . 280--280
                      Anonymous   A Machine for Vending Postage Stamps . . 280--280
                      Anonymous   Frying Pan with Folding Handle . . . . . 280--280
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 295--295
                      Anonymous   Index of Inventions  . . . . . . . . . . 300--303
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 303--303
                      Anonymous   Reinforcement of the Brooklyn Subway
                                  Tunnels  . . . . . . . . . . . . . . . . 290--290
                      Anonymous   The Panic and the Railroads  . . . . . . 290--290
                      Anonymous   Report on the Quebec Bridge Disaster . . 290--290
                      Anonymous   Urgent Need of Forest Preservation . . . 290--290
                      Anonymous   The British Naval Programme for 1908 . . 290--291
                      Anonymous   Delagrange's Record Aeroplane Flight . . 291--291
              William P. Munger   Improvement of the American Merchant
                                  Marine . . . . . . . . . . . . . . . . . 291--291
                      Anonymous   A New Process in Milling . . . . . . . . 291--291
                      Anonymous   Combined Mutoscope and Talking Machine   292--292
                Gustave Michaud   A Simple Apparatus for Generating
                                  Hydrogen . . . . . . . . . . . . . . . . 292--292
                      Anonymous   Convertible Military Transport Motor
                                  Wagon  . . . . . . . . . . . . . . . . . 292--292
                      R. Newton   A Clock with a Single Wheel  . . . . . . 293--293
              Alfred Gradenwitz   The Explorations of the German Orient
                                  Society  . . . . . . . . . . . . . . . . 293--294
               Day Allen Willey   The Practical Work of the United States
                                  Bureau of Forestry . . . . . . . . . . . 295--296
                      Anonymous   The United States Training Ship
                                  ``Severn'' . . . . . . . . . . . . . . . 297--297
              Frederic R. Honey   Some Phases of the Planets in 1908 . . . 298--298
                      Anonymous   American Turbines for the Japanese
                                  Armored Cruiser ``Ibuki''  . . . . . . . 299--299
        
           Henry Norris Russell   The Heavens in May . . . . . . . . . . . 307--307
                      Anonymous   Correspondence . . . . . . . . . . . . . 311--311
                      Anonymous   Recently Patented Inventions . . . . . . 317--318
                      Anonymous   Notes and Queries  . . . . . . . . . . . 318--318
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 319--319
                      Anonymous   Index of Inventions  . . . . . . . . . . 319--323
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 324--324
                      Anonymous   Sir William White on the American Navy   306--306
                      Anonymous   The Senate, the \booktitleScientific
                                  American, and the New York Sun . . . . . 306--307
                      Anonymous   Erecting the First Cored Monolith  . . . 307--307
                      Anonymous   The Stock Car Race for the Briarcliff
                                  Trophy . . . . . . . . . . . . . . . . . 308--309
                Gustave Michaud   How Stereoscopic Effects may be Produced
                                  with a Pinhole Diaphragm . . . . . . . . 309--310
                      Anonymous   A Campanile 700 Feet High  . . . . . . . 310--310
              Alfred Gradenwitz   The Berlin Oceanographic Museum  . . . . 312--314
                      Anonymous   Fireless Locomotives in Germany  . . . . 314--314
                      Anonymous   Locking Device for Screws  . . . . . . . 315--315
                      Anonymous   Grinding Attachment for Check Valves . . 315--315
                      Anonymous   A Camp on Wheels . . . . . . . . . . . . 315--315
                      Anonymous   An Attachment for Trolley Car Poles  . . 315--315
                      Anonymous   Oddities in Inventions . . . . . . . . . 315--316
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 331--331
                      Anonymous   Recently Patented Inventions . . . . . . 337--337
                      Anonymous   Notes and Queries  . . . . . . . . . . . 337--338
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 338--339
                      Anonymous   Index of Inventions  . . . . . . . . . . 339--343
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 343--343
                      Anonymous   Criticism of Catskill Water Supply
                                  Scheme . . . . . . . . . . . . . . . . . 326--326
                      Anonymous   Coal consumption, of the ``Lusitania''   326--326
                      Anonymous   Spraying Roads with Tar  . . . . . . . . 326--326
                      Anonymous   Phenomenal Speed of Latest Torpedoes . . 326--326
                      Anonymous   Germany's Great Armored Cruiser  . . . . 326--326
                      Anonymous   The World's Shipbuilding . . . . . . . . 327--327
                      Anonymous   Collecting the Venom from a Lancehead
                                  Snake  . . . . . . . . . . . . . . . . . 327--327
                Marcus Benjamin   National Academy of Sciences . . . . . . 327--327
                      Anonymous   For Practical Forestry . . . . . . . . . 327--327
                  Jacques Boyer   Cutting Metals with Oxygen . . . . . . . 328--328
                Herbert T. Wade   Gas Phosphorescence and Meteor Trains    329--330
                      Anonymous   A Submarine Boat for Sponge Fishing  . . 330--330
                      Anonymous   Cheap Hydrogen . . . . . . . . . . . . . 330--330
                      Anonymous   Some Notable Groups of North American
                                  Birds  . . . . . . . . . . . . . . . . . 332--334
                 Edgar J. Banks   The Origin of the Star and Crescent  . . 334--334
               W. Frank M'clure   A New Inspection Locomotive  . . . . . . 335--335
                      Anonymous   Shipping Submarines Intact to the
                                  Philippines  . . . . . . . . . . . . . . 335--335
                      Anonymous   The Record Flight of the Delagrange
                                  Aeroplane  . . . . . . . . . . . . . . . 336--336
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 27--27
                      Anonymous   Recently Patented Inventions . . . . . . 32--32
                      Anonymous   Notes and Queries  . . . . . . . . . . . 32--32
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 32--32
                      Anonymous   Index of Inventions  . . . . . . . . . . 32--35
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 36--36
                      Anonymous   Important Change of Panama Canal Locks   22--22
                      Anonymous   Our Decadent Merchant Marine . . . . . . 22--22
                      Anonymous   Prevention of ``Flarebacks'' in Modern
                                  Guns . . . . . . . . . . . . . . . . . . 22--22
                      Anonymous   Warship Construction at our Navy Yards   22--23
                      Anonymous   A New Coin Counter . . . . . . . . . . . 23--23
                      Anonymous   The Economic Waste of Accidents  . . . . 23--23
               C. E. Hutchinson   Habits of the Tarantula  . . . . . . . . 23--23
                      Anonymous   Official Meteorological Summary, New
                                  York, N.Y., December, 1907 . . . . . . . 23--23
                      Anonymous   The Current Supplement . . . . . . . . . 23--23
               Day Allen Willey   Winter Fires . . . . . . . . . . . . . . 24--24
                      Anonymous   An Apparatus for Indicating Fire Damp in
                                  Coal Mines . . . . . . . . . . . . . . . 25--26
              W. G. Fitz-Gerald   A Railroad in Miniature --- a Toy Line
                                  which Cost . . . . . . . . . . . . . . . 28--29
         Katherine Louise Smith   The Most Wonderful Railroad of the North 29--30
                  Jacques Boyer   Tissot's Respiratory Apparatus . . . . . 30--31
                 S. A. Mitchell   Great Storms on the Sun  . . . . . . . . 31--31
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 351--351
                      Anonymous   Recently Patented Inventions . . . . . . 357--357
                      Anonymous   Notes and Queries  . . . . . . . . . . . 357--357
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 358--358
                      Anonymous   Index of Inventions  . . . . . . . . . . 358--363
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 363--363
                      Anonymous   Investigations for the Gatun Dam . . . . 346--346
                      Anonymous   To Secure Better Rails . . . . . . . . . 346--346
                      Anonymous   A Heat Flywheel  . . . . . . . . . . . . 346--346
                      Anonymous   Former Chief Engineer Stevens on the
                                  Canal  . . . . . . . . . . . . . . . . . 346--346
                      Anonymous   Metchnikoff's Theory of Longevity  . . . 347--347
                      Anonymous   Copper-Clad Steel  . . . . . . . . . . . 347--347
                      Anonymous   Machine for Making Window Glass  . . . . 347--347
                      Anonymous   The Current Supplement . . . . . . . . . 347--347
                      Anonymous   Motors for Viticulture . . . . . . . . . 347--347
                      Anonymous   The Wright Aeroplane Experiments . . . . 347--347
                      Anonymous   The ``Caterpillar'' Tractor  . . . . . . 348--348
                      Anonymous   Range and Position Finders for Coast
                                  Artillery Fire Control . . . . . . . . . 349--350
              Frederic R. Honey   The Annular Eclipse of the Sun in June,
                                  1908 . . . . . . . . . . . . . . . . . . 350--350
                      Anonymous   A Magazine for the Blind . . . . . . . . 351--352
                   C. H. Claudy   How Cave Air is Used to Regulate the
                                  Temperature of a House . . . . . . . . . 353--354
                      Anonymous   A New Electric Renovator . . . . . . . . 355--355
               Frank C. Perkins   A French Universal System of Machine
                                  Molding  . . . . . . . . . . . . . . . . 355--355
                      Anonymous   Patent Department  . . . . . . . . . . . 356--356
                      Anonymous   Folding Washing Machine for Stationary
                                  Tubs . . . . . . . . . . . . . . . . . . 356--356
                      Anonymous   Hose Nozzle with Movable Spray Cap . . . 356--356
                      Anonymous   Improved Switchboard Plug  . . . . . . . 356--356
                      Anonymous   Folding Step Ladder  . . . . . . . . . . 356--356
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 371--371
                      Anonymous   Recently Patented Inventions . . . . . . 377--377
                      Anonymous   Notes and Queries  . . . . . . . . . . . 377--378
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 378--379
                      Anonymous   Index of Inventions  . . . . . . . . . . 379--383
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 384--384
                      Anonymous   President Roosevelt on the Conservation
                                  of Our Natural Resources . . . . . . . . 366--366
                      Anonymous   Safety of the Blackwell's Island Bridge  366--366
                      Anonymous   A City of Towers . . . . . . . . . . . . 366--367
                      Anonymous   Progress of the Wright Aeroplane
                                  Experiments  . . . . . . . . . . . . . . 367--367
                      Anonymous   Postal Railway in Berlin . . . . . . . . 367--367
                      Anonymous   Experiments with a Postal Automobile in
                                  France . . . . . . . . . . . . . . . . . 367--367
                      Anonymous   Protection for Patents and Trade Marks
                                  of Goods to be Exhibited . . . . . . . . 367--367
                      Anonymous   The Current Supplement . . . . . . . . . 367--367
                      Anonymous   Sending Wireless Messages to a Balloon   367--367
                  Jacques Boyer   The Use of the Air Brush in the
                                  Decoration of Wall Paper and Fabrics . . 368--368
                      Anonymous   Maximum Economical Storage Capacity of
                                  the Croton Watershed . . . . . . . . . . 369--370
                 R. G. Skerrett   Control by Sound Waves . . . . . . . . . 371--371
               Day Allen Willey   Forest Destruction and the Erosion of
                                  Arable Lands . . . . . . . . . . . . . . 372--373
                      Anonymous   Extracting the Venom from Lancehead
                                  Snake for Medicinal Use  . . . . . . . . 374--374
                      Anonymous   The Largest Clock in the World . . . . . 375--376
                      Anonymous   A New Type of Filter . . . . . . . . . . 376--376
                      Anonymous   Gathering and Loading Fork . . . . . . . 376--376
                      Anonymous   A Computing Cheese Cutter  . . . . . . . 376--376
        
           Henry Norris Russell   The Heavens in June  . . . . . . . . . . 387--387
                      Anonymous   Correspondence . . . . . . . . . . . . . 391--391
                      Anonymous   Recently Patented Inventions . . . . . . 397--397
                      Anonymous   Notes and Queries  . . . . . . . . . . . 397--398
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 398--399
                      Anonymous   Index of Inventions  . . . . . . . . . . 399--403
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 404--404
                      Anonymous   Gratifying Decrease in Railway Accidents 386--386
                      Anonymous   Mr. Hill on Our Natural Resources  . . . 386--386
                      Anonymous   Lowering the Transatlantic Record  . . . 386--386
                      Anonymous   Our Rank as Second Naval Power . . . . . 386--386
                      Anonymous   Severe Fire Tests for Skyscrapers  . . . 386--386
                      Anonymous   Automobile Sled for Dr. Charcot's
                                  Expedition . . . . . . . . . . . . . . . 388--388
             Percival A. Hislam   The British ``Dreadnought'' Cruisers . . 389--390
                      Anonymous   First Flights of the Aerial Experiment
                                  Association's Second Aeroplane . . . . . 392--392
                      Anonymous   The Wright Aeroplane Test in North
                                  Carolina . . . . . . . . . . . . . . . . 393--393
                Berthold Laufer   Chinese Pigeon Whistles  . . . . . . . . 394--394
                      Anonymous   A New Automatic Violin Player  . . . . . 395--395
                Gustave Michaud   An Oral System of Telegraphy . . . . . . 395--395
                      Anonymous   Incandescent Gas Lamp with
                                  Self-Generated Forced Draft  . . . . . . 396--396
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 411--411
                      Anonymous   Recently Patented Inventions . . . . . . 416--416
                      Anonymous   Index of Inventions  . . . . . . . . . . 416--419
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 419--419
                      Anonymous   Battle Test of a 12-Inch Turret  . . . . 406--406
                      Anonymous   The Capacity of the Subway . . . . . . . 406--406
                      Anonymous   Rectangular Latticed Compression Members
                                  in Bridges . . . . . . . . . . . . . . . 406--406
             William J. Manning   Permanent Printed Records on Linen . . . 407--407
                      Anonymous   Aeronautical Notes . . . . . . . . . . . 407--407
                      Anonymous   The Current Supplement . . . . . . . . . 407--407
                      Anonymous   The Award of the \booktitleScientific
                                  American Medal . . . . . . . . . . . . . 408--408
           Grace Agnes Thompson   The Largest Reflecting Telescope in the
                                  World  . . . . . . . . . . . . . . . . . 409--410
                      Anonymous   Panama Canal: Final Plan and Present
                                  Condition of the Work  . . . . . . . . . 410--411
                      Anonymous   The Mechanics of ``Autos that Pass in
                                  the Air''  . . . . . . . . . . . . . . . 411--411
                      Anonymous   Knudsen's Process of Transmitting
                                  Pictures by Wireless Telegraphy  . . . . 412--412
                  Jacques Boyer   The Insect Enemies of Books  . . . . . . 413--414
                      Anonymous   A New Sun Dial . . . . . . . . . . . . . 414--415
                      Anonymous   An Improved Saw Handle . . . . . . . . . 415--415
                      Anonymous   Rack for Coats, Wraps, and Other
                                  Garments . . . . . . . . . . . . . . . . 415--415
                      Anonymous   Power Transmission Mechanism . . . . . . 415--415
                      Anonymous   Tongs with Adjustable Jaws . . . . . . . 415--415
        
                      Anonymous   Recently Patented Inventions . . . . . . 432--432
                      Anonymous   Index of Inventions  . . . . . . . . . . 432--435
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 435--435
                      Anonymous   Airship Follies  . . . . . . . . . . . . 422--422
                      Anonymous   A Marine Steam Turbine Anomaly . . . . . 422--422
                      Anonymous   Admiral Evans's Report on the Needs of
                                  our Ships  . . . . . . . . . . . . . . . 422--423
             Orville Wright and   
                  Wilbur Wright   Our Aeroplane Tests at Kitty Hawk  . . . 423--423
                      Anonymous   Death of Francis B. Stevens  . . . . . . 423--423
                      Anonymous   Death of Miss Tyler  . . . . . . . . . . 423--423
                      Anonymous   Future Foreign Postage Reduction with
                                  Great Britain and Colonies . . . . . . . 423--423
                      Anonymous   The Current Supplement . . . . . . . . . 423--423
                      Anonymous   Science Notes  . . . . . . . . . . . . . 423--423
                      Anonymous   The New Method of Trying Battleships . . 424--425
                  E. M. Douglas   Sun Dials: How they are Made and Used    425--427
               Day Allen Willey   Towing Tank at the University of
                                  Michigan . . . . . . . . . . . . . . . . 428--429
             J. Mayne Baltimore   A Machine for Burning Weeds along
                                  Railroads  . . . . . . . . . . . . . . . 429--429
                      Anonymous   Removing the Grand Central Train Shed
                                  New York . . . . . . . . . . . . . . . . 429--429
                      Anonymous   A Gigantic Airship Disaster  . . . . . . 430--431
                      Anonymous   The British Challenger for the
                                  Harmsworth Motor-Boat Trophy. --- a
                                  400-Horse-Power Racing Craft . . . . . . 431--431
        
                      Anonymous   Recently Patented Inventions . . . . . . 448--448
                      Anonymous   Index of Inventions  . . . . . . . . . . 448--451
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 452--452
                      Anonymous   The Cost of Government . . . . . . . . . 438--438
                      Anonymous   The Double-Flow Turbine  . . . . . . . . 438--438
                      Anonymous   Government Tests of Railway Safety
                                  Devices  . . . . . . . . . . . . . . . . 438--438
                      Anonymous   Congress Increases Patent Office
                                  Salaries . . . . . . . . . . . . . . . . 438--438
                      Anonymous   Improvement of New Jersey--New York
                                  Suburban Service --- I . . . . . . . . . 438--439
                      Anonymous   The Autogenous Soldering of Aluminium in
                                  Aeronautic Construction  . . . . . . . . 439--439
                      Anonymous   A New Balloon Material . . . . . . . . . 439--439
                      Anonymous   The Current Supplement . . . . . . . . . 439--439
                    John R. Cox   Training in the Navy . . . . . . . . . . 440--440
                   C. H. Claudy   New Electrical Apparatus of the United
                                  States Signal Corps  . . . . . . . . . . 441--442
                      Anonymous   The Motor-Boat Race to Bermuda . . . . . 442--442
                      Anonymous   Farman's Aeroplane Flights in Belgium    443--444
               W. Frank M'Clure   Making Casts in Gelatin Molds  . . . . . 445--445
                      Anonymous   A German Compass-Testing Station . . . . 445--445
              Alfred Gradenwitz   A Remarkable Mountain Railway  . . . . . 446--446
                      Anonymous   An Aero Tube Flying Machine  . . . . . . 447--447
                      Anonymous   Pipe and Rod Lifting Tongs . . . . . . . 447--447
                      Anonymous   An Improved Dabbing Brush  . . . . . . . 447--447
                      Anonymous   Bracket Hose Reel  . . . . . . . . . . . 447--447
                      Anonymous   Saw Swage  . . . . . . . . . . . . . . . 447--447
        
           Henry Norris Russell   The Heavens in July  . . . . . . . . . . 455--455
                      Anonymous   Correspondence . . . . . . . . . . . . . 459--459
                      Anonymous   Recently Patented Inventions . . . . . . 464--465
                      Anonymous   Notes and Queries  . . . . . . . . . . . 465--465
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 465--466
                      Anonymous   Index of Inventions  . . . . . . . . . . 466--471
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 472--472
                      Anonymous   Inspection of Niagara Falls Power
                                  Company Tunnel . . . . . . . . . . . . . 454--454
                      Anonymous   First Cable Strung on Manhattan Bridge   454--454
                      Anonymous   The Gas Driven Warship . . . . . . . . . 454--454
                      Anonymous   Brilliant Medical Work of Col. Gorgas at
                                  Panama . . . . . . . . . . . . . . . . . 454--454
                      Anonymous   An Incandescent Lamp without a Vacuum    454--454
                      Anonymous   Reduction of Foreign Parcel Postal Rates 455--455
                      Anonymous   Delagrange to Come to America  . . . . . 455--455
                      Anonymous   Torpedo Attack on the Monitor
                                  ``Florida''  . . . . . . . . . . . . . . 456--456
                      Anonymous   The Taxicab in Old Rome  . . . . . . . . 456--456
                      Anonymous   Seeing from Paris to Rome  . . . . . . . 457--457
               Frank C. Perkins   The Modern Farmer's Tireless Horse . . . 458--458
              J. B. Van Brussel   A Curious Electric Elevator  . . . . . . 460--460
          Newton Forest Russell   A Philippine Leper Colony  . . . . . . . 461--462
                      Anonymous   New Grouping of Stars in the United
                                  States Flag  . . . . . . . . . . . . . . 463--463
                  H. M. Masdell   A Clever Substitute for a Drydock  . . . 463--463
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 43--43
                      Anonymous   Recently Patented Inventions . . . . . . 48--48
                      Anonymous   Notes and Queries  . . . . . . . . . . . 48--48
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 48--48
                      Anonymous   Index of Inventions  . . . . . . . . . . 48--51
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 52--52
                      Anonymous   The Reuterdahl Attack on our Navy  . . . 38--39
                      Anonymous   Inauguration of Electric Trains under
                                  the Hudson and East Rivers . . . . . . . 39--39
                      Anonymous   Why not an American ``Scientists'
                                  Corner'' in the Cathedral of St. John
                                  the Divine?  . . . . . . . . . . . . . . 39--39
                      Anonymous   The Use of Glass Fabrics in the
                                  Electrical and Chemical Industries . . . 39--39
                      Anonymous   The Current Supplement . . . . . . . . . 39--39
                      Anonymous   New European Aeroplanes and Airships . . 40--41
                   L. F. Wilson   Jet Condensers and the Chicago to the
                                  Gulf Canal . . . . . . . . . . . . . . . 42--42
                      Anonymous   A Novel Sand Plow for Saving Ships . . . 42--42
              Walter L. Beasley   The Huichol Indians of Mexico  . . . . . 44--46
                      Anonymous   How the Speed of Light is Measured . . . 46--46
                      Anonymous   Placer Mining by a Combination of
                                  Hydraulic and Electric Methods . . . . . 47--47
                      Anonymous   Automatic Weighing Machine . . . . . . . 47--47
                      Anonymous   Traveling Cards for Car Advertising  . . 47--47
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 59--59
                      Anonymous   Recently Patented Inventions . . . . . . 65--67
                      Anonymous   Index of Inventions: Notes and Queries   67--67
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 67--68
                      Anonymous   Index of Inventions  . . . . . . . . . . 68--71
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 72--72
                      Anonymous   Panama Canal to Cost \$300,00,00?  . . . 54--54
                      Anonymous   The Pennsylvania Tunnel Excavation
                                  Beneath Manhattan Completed  . . . . . . 54--54
                      Anonymous   Great Increase in Transatlantic Travel   54--54
                      Anonymous   The Farman Aeroplane Wins the Deutsch
                                  Archdeacon Prize . . . . . . . . . . . . 54--54
                      Anonymous   Pure Hydrogen from Carbides  . . . . . . 54--54
                      Anonymous   The Patent Office in 1907  . . . . . . . 55--55
                      Anonymous   The Pacific Scientific Institution of
                                  Honolulu . . . . . . . . . . . . . . . . 55--55
                      Anonymous   International Investigation of the Upper
                                  Air  . . . . . . . . . . . . . . . . . . 55--55
                      Anonymous   The Current Supplement . . . . . . . . . 55--55
                      Anonymous   A Unique Aerial Tramway Used in the
                                  Construction of Chicago's Lake Tunnel    56--56
              Alfred Gradenwitz   A Photographic Method of Producing
                                  Bas-Reliefs  . . . . . . . . . . . . . . 57--58
                      Anonymous   The Reuterdahl Attack on our Navy  . . . 60--62
                  Percy Collins   Insects that are Eaten . . . . . . . . . 63--64
                      Anonymous   An Improved Bale Tie . . . . . . . . . . 64--64
                      Anonymous   Device for Pulling Spokes  . . . . . . . 64--64
                      Anonymous   An Improved Portable Concrete Mixer  . . 64--64
                      Anonymous   An Apparatus for Electrically
                                  Transmitting Sight . . . . . . . . . . . 64--64
        
           Henry Norris Russell   The Heavens in February  . . . . . . . . 75--75
                      Anonymous   Correspondence . . . . . . . . . . . . . 79--79
                      Anonymous   Recently Patented Inventions . . . . . . 84--84
                      Anonymous   Index of Inventions  . . . . . . . . . . 84--87
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 88--88
                      Anonymous   A Year's Progress on the Panama Canal    74--74
                      Anonymous   The Lessons of the Parker Building Fire  74--74
                      Anonymous   The Enlargement of the Assouan Dam . . . 74--74
                      Anonymous   The Fastest Warship Afloat . . . . . . . 74--74
                      Anonymous   Pennsylvania Railroad Delays
                                  Improvements . . . . . . . . . . . . . . 74--74
                      Anonymous   A \$25,000 Prize for a Mathematical
                                  Solution . . . . . . . . . . . . . . . . 75--75
                      Anonymous   A Strip of Territory Added to Alaska . . 75--75
                      Anonymous   A Universal Bench Vise . . . . . . . . . 76--76
                      Anonymous   A Motor Chair Invented by a Woman  . . . 76--76
                      Anonymous   Chess in Three Dimensions  . . . . . . . 76--76
                      Anonymous   Erection of the Manhattan Bridge across
                                  the East River . . . . . . . . . . . . . 77--79
                      Anonymous   An Open-Air Veneer Machine . . . . . . . 80--80
                Herbert T. Wade   How our Measures of Length are Tested    80--82
                      Anonymous   How we know that the Earth Rotates . . . 82--82
            Harold J. Shepstone   A Famous Taxidermist and His Methods . . 83--83
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 95--95
                      Anonymous   Recently Patented Inventions . . . . . . 100--100
                      Anonymous   Notes and Queries  . . . . . . . . . . . 100--100
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 100--101
                      Anonymous   Index of Inventions  . . . . . . . . . . 101--103
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 104--104
                      Anonymous   The Hudson River Pierhead Line Should be
                                  Extended . . . . . . . . . . . . . . . . 90--90
                      Anonymous   Progress on the New York Barge Canal ---
                                  and a Suggestion . . . . . . . . . . . . 90--90
                      Anonymous   The Recent Criticisms of our Navy  . . . 90--90
                      Anonymous   The World's Production of Cereals  . . . 90--91
       George Frederic Stratton   The Making of an Electrical Engineer . . 91--91
                      Anonymous   Science Notes  . . . . . . . . . . . . . 91--91
                      Anonymous   The Current Supplement . . . . . . . . . 91--91
                      Anonymous   The Prize-Winning Circular Flight of the
                                  Farman Aeroplane . . . . . . . . . . . . 92--92
                Herbert T. Wade   The International Bureau of Weights and
                                  Measures . . . . . . . . . . . . . . . . 93--94
                      Anonymous   New Terminal Station and Approaches of
                                  the Brooklyn Bridge  . . . . . . . . . . 94--94
                      Anonymous   Gobelin Tapestry Works . . . . . . . . . 96--97
               Frank C. Perkins   A New Solar Power Plant  . . . . . . . . 97--98
                 Charles Forbes   Foucault's Pendulum Experiment Repeated
                                  at Columbia University . . . . . . . . . 98--98
                      Anonymous   Patent Department  . . . . . . . . . . . 99--99
                      Anonymous   Safety Lock for Switch Stands  . . . . . 99--99
                      Anonymous   Basket Holder for Fruit Pickers  . . . . 99--99
                      Anonymous   A Novel Observation Swing  . . . . . . . 99--99
        
                      Anonymous   Recently Patented Inventions . . . . . . 116--116
                      Anonymous   Index of Inventions  . . . . . . . . . . 116--119
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 119--119
                      Anonymous   Southwest Pass Jetties of the
                                  Mississippi Completed  . . . . . . . . . 106--106
                      Anonymous   Progress of the Key West Railroad  . . . 106--106
                      Anonymous   The Last of the Cable Roads  . . . . . . 106--106
                      Anonymous   More Block Signals; Fewer Accidents  . . 106--106
                      Anonymous   Precautions against Anthracite Mining
                                  Accidents  . . . . . . . . . . . . . . . 106--107
                      Anonymous   Turbines in the United States Navy . . . 107--107
                      Anonymous   Mine Blasting Invention  . . . . . . . . 107--107
                      Anonymous   The Use of the Lumi\`ere System of Color
                                  Photography in Medicine  . . . . . . . . 107--107
                      Anonymous   Exposition of Safety Devices . . . . . . 107--107
                      Anonymous   The Current Supplement . . . . . . . . . 107--107
                      Anonymous   Growing Rubber in Sumatra  . . . . . . . 107--107
                      Anonymous   The Tunis Monorail System  . . . . . . . 108--108
                Charles R. King   A High-Power European Locomotive . . . . 108--109
               Day Allen Willey   A Reinforced Concrete Hotel  . . . . . . 109--110
              Frederic R. Honey   Morning and Evening Stars for 1908 . . . 110--111
                Herbert T. Wade   Magnetic Survey on the Pacific Ocean . . 112--113
                      Anonymous   The Sampson Gas-Electric Road Train  . . 114--114
                      Anonymous   Patent Department  . . . . . . . . . . . 115--115
                      Anonymous   Ice Tongs with Weighing Attachment . . . 115--115
                      Anonymous   Safety Clutch for Elevators  . . . . . . 115--115
                      Anonymous   An Improved Draft Regulator and
                                  Ventilator . . . . . . . . . . . . . . . 115--115
                      Anonymous   Cutting Tool for use in Making Paper
                                  Boxes  . . . . . . . . . . . . . . . . . 115--115
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 127--127
                      Anonymous   Recently Patented Inventions . . . . . . 132--132
                      Anonymous   Notes and Queries  . . . . . . . . . . . 132--132
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 132--132
                      Anonymous   Index of Inventions  . . . . . . . . . . 132--135
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 136--136
                      Anonymous   Where the Reciprocating Engine Drove Out
                                  the Turbine  . . . . . . . . . . . . . . 122--122
                      Anonymous   The Pennsylvania Railroad and the Steel
                                  Rail Problem . . . . . . . . . . . . . . 122--122
                      Anonymous   ``The Navy'' and Naval Criticism . . . . 122--122
                      Anonymous   Designers of the Brooklyn Bridge
                                  Terminal . . . . . . . . . . . . . . . . 122--122
                      Anonymous   Award of the Army Aeroplane Contracts    123--123
                      Anonymous   When Was the First Pendulum Experiment
                                  Performed in this Country? . . . . . . . 123--123
                      Anonymous   Lemoine and His Artificial Diamonds  . . 123--123
                      Anonymous   Asbestos Slates --- a German Invention   123--123
                      Anonymous   Extermination of Fruit Pests in
                                  California . . . . . . . . . . . . . . . 123--123
                      Anonymous   The Current Supplement . . . . . . . . . 123--123
                      Anonymous   Opening of the Hudson River Tunnel
                                  System . . . . . . . . . . . . . . . . . 124--126
         Frederic Blount Warren   The Testing of a Locomotive  . . . . . . 126--127
                  Paul J. Brand   Closing a 700-Foot Break in the
                                  Mississippi Levees . . . . . . . . . . . 128--129
                     L. E. Moss   Sending the Whalebacks Out to Sea  . . . 129--130
              René Bache   The Efficiency of the Human Machine  . . 130--130
                      Anonymous   Shipping Can for Transporting Milk . . . 131--131
                      Anonymous   An Improved Fish-Line Float  . . . . . . 131--131
                      Anonymous   Safety Connection for Gas Stoves . . . . 131--131
                      Anonymous   Micrometer Attachment for Calipers and
                                  the Like . . . . . . . . . . . . . . . . 131--131
        
                      Anonymous   Recently Patented Inventions . . . . . . 153--153
                      Anonymous   Index of Inventions  . . . . . . . . . . 153--159
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 159--159
                      Anonymous   Shall America Take the Lead in
                                  Aeronautics? . . . . . . . . . . . . . . 138--138
                      Anonymous   Under-Water Attack of Ships by Gunfire   138--138
                      Anonymous   Speed of Government and Private
                                  Excavation Compared  . . . . . . . . . . 138--139
                  B. S. Bowdish   The Relation of the Audubon Movement to
                                  the Sportsman  . . . . . . . . . . . . . 139--139
                  Wilbur Wright   Flying as a Sport --- Its Possibilities  139--139
                      Anonymous   Some Impressive Wireless Statistics  . . 139--139
                      Anonymous   Modern Seven-League Boots  . . . . . . . 140--140
                  Percy Collins   Nature's Flying Machines . . . . . . . . 140--142
                H. Percy Ashley   An Ice Yacht with a Hollow Backbone and
                                  250 Square Feet Sail Area  . . . . . . . 142--143
                      Anonymous   A Record-Breaking Automobile Bus . . . . 144--144
               Day Allen Willey   Mountaineering in the Himalayas --- The
                                  Hardships of Climbing at High Altitudes  144--145
             Harry Wilkin Perry   Motor Boating for the Man of Small Means 146--147
                      Anonymous   A New Target Grip  . . . . . . . . . . . 147--147
                      Anonymous   The New Syracuse University Stadium ---
                                  The Finest Athletic Arena in America . . 148--150
                  Peter Coleman   Fish Doctoring . . . . . . . . . . . . . 150--152
                      Anonymous   Improvements in Timers . . . . . . . . . 152--153
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 9--9
                      Anonymous   Recently Patented Inventions . . . . . . 14--15
                      Anonymous   Notes and Queries  . . . . . . . . . . . 15--15
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 16--16
                      Anonymous   Index of Inventions  . . . . . . . . . . 16--19
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 20--20
                      Anonymous   The Fastest Warship Afloat . . . . . . . 4--4
                      Anonymous   Present Condition of the Pan-American
                                  Railway  . . . . . . . . . . . . . . . . 4--4
                      Anonymous   Conservation of Our Fuel Resources . . . 4--4
                      Anonymous   Power Consumption in the Rapid Transit
                                  Subway . . . . . . . . . . . . . . . . . 4--4
                      Anonymous   Steel Ties on Roads with Heavy Traffic   4--4
                      Anonymous   The Irrigation of Egypt and the Success
                                  of the Aswan Dam . . . . . . . . . . . . 5--5
                      Anonymous   Special Schools for Eminently Gifted
                                  Pupils . . . . . . . . . . . . . . . . . 5--5
                      Anonymous   The Emanation of Sodium  . . . . . . . . 5--5
                      Anonymous   The Current Supplement . . . . . . . . . 5--5
                      Anonymous   Science Notes  . . . . . . . . . . . . . 5--5
                      Anonymous   The Outcome of the Lemoine Case  . . . . 5--5
                  Jacques Boyer   The Curiosities of Feeling, Hearing,
                                  Seeing and Smelling  . . . . . . . . . . 6--6
              William L. Finley   The California Condor  . . . . . . . . . 7--8
               Day Allen Willey   The Great Roosevelt Irrigation Dam . . . 10--11
               Frank C. Perkins   The German Battleship ``Braunschweig''   12--12
                      Anonymous   The ``June Bug'' Aeroplane --- a
                                  Competitor for the \booktitleScientific
                                  American Trophy  . . . . . . . . . . . . 13--13
                      Anonymous   An Aeronautic Society for Inventors  . . 13--13
        
           Henry Norris Russell   The Heavens in September . . . . . . . . 151--151
                      Anonymous   Correspondence . . . . . . . . . . . . . 155--155
                      Anonymous   Recently Patented Inventions . . . . . . 160--160
                      Anonymous   Notes and Queries  . . . . . . . . . . . 160--160
                      Anonymous   Index of Inventions  . . . . . . . . . . 160--163
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 163--163
                      Anonymous   Ornamental Elevated Structures . . . . . 150--150
                      Anonymous   Experimental Dams at the Panama Canal    150--150
                      Anonymous   The Street Noise Crusade and the Rail
                                  Joint  . . . . . . . . . . . . . . . . . 150--150
                      Anonymous   A Delayed-Action Torpedo . . . . . . . . 150--150
                      Anonymous   Ferment of Egg Yolk  . . . . . . . . . . 151--151
                      Anonymous   Reinforced Concrete as a Building
                                  Material for Boats . . . . . . . . . . . 152--154
                   I. C. Bayley   Repairing Railroad Picks . . . . . . . . 155--155
                      Anonymous   The British 38-Knot Destroyer ``Swift''  156--156
                      Anonymous   The Mari-Kanave Dam in Southern India    156--157
               Day Allen Willey   Antique Bronze Cannon at Annapolis and
                                  Washington . . . . . . . . . . . . . . . 158--158
                Gustave Michaud   Three Optical Illusions  . . . . . . . . 158--158
                      Anonymous   The New Davis Projectile Torpedo . . . . 159--159
        
                      Anonymous   Recently Patented Inventions . . . . . . 176--176
                      Anonymous   Notes and Queries  . . . . . . . . . . . 176--176
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 177--177
                      Anonymous   Index of Inventions  . . . . . . . . . . 177--178
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 179--179
                      Anonymous   Is the Aeroplane Practicable for
                                  Scouting?  . . . . . . . . . . . . . . . 166--166
                      Anonymous   Manufacturing Under the Requirements of
                                  the British Patent Act . . . . . . . . . 166--166
                      Anonymous   Proposals for Cooling the Subway . . . . 166--166
                      Anonymous   Improvement of New Jersey--New York
                                  Suburban Service --- III . . . . . . . . 166--167
                 Alton D. Adams   Acetylene Gas for Isolated Street Lamps  167--167
                      Anonymous   Official Meteorological Summary, New
                                  York, N.Y., August, 1908 . . . . . . . . 167--167
                      Anonymous   The Current Supplement . . . . . . . . . 167--167
                      Anonymous   Excavations at Abydos  . . . . . . . . . 167--167
                Herbert T. Wade   Sugar Testing in the United States
                                  Customs Service  . . . . . . . . . . . . 168--168
                      Anonymous   The First Flight of the Wright Aeroplane
                                  at Fort Myer . . . . . . . . . . . . . . 169--170
                      Anonymous   A Huge Bucket Dredger  . . . . . . . . . 171--171
              Frederic R. Honey   The Recurrence of Eclipses . . . . . . . 171--171
              Alfred Gradenwitz   A Police Academy at Rome . . . . . . . . 172--173
                      Anonymous   The New German Racing Schooner
                                  ``Germania'' . . . . . . . . . . . . . . 173--173
                D. T. Macdougal   The Faculties of Plants  . . . . . . . . 174--175
                   H. A. Crafts   Modern Improvements in Drydock
                                  Construction . . . . . . . . . . . . . . 175--175
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 187--187
                      Anonymous   Recently Patented Inventions . . . . . . 193--193
                      Anonymous   Notes and Queries  . . . . . . . . . . . 194--194
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 194--196
                      Anonymous   Index of Inventions  . . . . . . . . . . 196--199
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 200--200
                      Anonymous   The Rebuilding of the Quebec Bridge  . . 182--182
                      Anonymous   Improved Rails by the Dry-Blast System   182--182
                      Anonymous   Progress in the Gas-Driven Ship Problem  182--182
                      Anonymous   More Powerful Express Locomotives  . . . 182--182
                      Anonymous   Future Speed of Cruisers . . . . . . . . 182--182
                      Anonymous   The Making of Aeroplane History  . . . . 182--182
                      Anonymous   Doubtful Cases of Radioactivity  . . . . 182--183
                 J. F. Springer   A Few Facts about Fakes  . . . . . . . . 183--183
                      Anonymous   The Current Supplement . . . . . . . . . 183--183
                      Anonymous   The Morehouse Comet Observed . . . . . . 183--183
               Day Allen Willey   Reconstruction of the Baltimore & Ohio
                                  Bridge Over the Susquehanna River  . . . 184--184
                      Anonymous   The Collins System of Long-Distance
                                  Wireless Telephony . . . . . . . . . . . 185--186
                      Anonymous   Public Service Car Fender and Wheel
                                  Guard Tests  . . . . . . . . . . . . . . 186--186
                      Anonymous   IV. --- The French Navy of To-Day  . . . 187--189
                      Anonymous   The ``Flip-Flap''  . . . . . . . . . . . 190--190
                G. W. MacMurray   Protecting Trains Under the East River   191--191
                      Anonymous   Shaft Sinking by the Freezing Process    191--191
                      Anonymous   Patent Department  . . . . . . . . . . . 192--192
                      Anonymous   Ore Concentrator . . . . . . . . . . . . 192--192
                      Anonymous   An Improved Pipe Wrench  . . . . . . . . 192--192
                      Anonymous   Attachment for Letter Boxes  . . . . . . 192--192
                      Anonymous   A Simple Package Tie . . . . . . . . . . 192--192
        
                      Anonymous   Recently Patented Inventions . . . . . . 212--212
                      Anonymous   Notes and Queries  . . . . . . . . . . . 212--212
                      Anonymous   Index of Inventions  . . . . . . . . . . 213--215
                      Anonymous   Lessons of the Wright Aeroplane Disaster 202--202
                      Anonymous   Some Submarine Successes . . . . . . . . 202--202
                      Anonymous   Our Ponderous Passenger Cars . . . . . . 202--202
                      Anonymous   Repairing the Concrete Pier of a Bridge
                                  by Injection of Liquid Cement Mortar . . 203--203
                 Edwin Phillips   A Few Suggestions for Inventors of
                                  Safety Devices . . . . . . . . . . . . . 203--203
                      Anonymous   Science Notes  . . . . . . . . . . . . . 203--203
                      Anonymous   The Current Supplement . . . . . . . . . 203--203
                      Anonymous   The Narrowing of the Ganges and
                                  Construction of the Curzon Bridge  . . . 204--204
                      Anonymous   Sawing a Building in Two . . . . . . . . 205--206
                      Anonymous   The Construction of the Wright Aeroplane 209--210
                      Anonymous   An Early Armor-Piercing Gun  . . . . . . 210--210
                      Anonymous   Car Fender Tests by the Public Service
                                  Commission . . . . . . . . . . . . . . . 210--211
        
           Henry Norris Russell   The Heavens in October . . . . . . . . . 219--219
                      Anonymous   Correspondence . . . . . . . . . . . . . 223--223
                      Anonymous   Recently Patented Inventions . . . . . . 229--229
                      Anonymous   Notes and Queries: Note and Queries  . . 229--231
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 231--232
                      Anonymous   Index of Inventions  . . . . . . . . . . 232--235
                      Anonymous   The Naval Aeroplane  . . . . . . . . . . 218--218
                      Anonymous   Yacht Racing in 1908 . . . . . . . . . . 218--218
                      Anonymous   Water Storage Destroys the Typhoid
                                  Bacillus . . . . . . . . . . . . . . . . 218--218
                      Anonymous   Progress on Panama and Erie Canals
                                  Compared . . . . . . . . . . . . . . . . 218--218
                      Anonymous   The Liner ``Cleveland'' Launched . . . . 219--219
                      Anonymous   A Motor-Car Lock is Wanted . . . . . . . 219--219
                      Anonymous   The New York State Barge Canal . . . . . 220--222
                      Anonymous   The Price of Water . . . . . . . . . . . 224--224
                   Percy Colins   Table-Top Photography  . . . . . . . . . 224--226
            Hereward Carrington   Hindu Magic  . . . . . . . . . . . . . . 226--227
                      Anonymous   Patent Department  . . . . . . . . . . . 227--227
                      Anonymous   Some Recent Toys and Tricks  . . . . . . 227--227
                      Anonymous   Tire for Automobile Wheels . . . . . . . 228--228
                      Anonymous   An Automatic Gas Lighter . . . . . . . . 228--228
                      Anonymous   Oddities in Invention  . . . . . . . . . 228--228
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 243--243
                      Anonymous   Recently Patented Inventions . . . . . . 248--248
                      Anonymous   Notes and Queries  . . . . . . . . . . . 248--248
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 248--248
                      Anonymous   Index of Inventions  . . . . . . . . . . 248--251
                      Anonymous   Encouraging Decrease of Idle Cars  . . . 238--238
                      Anonymous   Postal Tubes in the Subways  . . . . . . 238--238
                      Anonymous   The Enormous Loss by Forest Fires  . . . 238--238
                      Anonymous   The Schenectady Car Fender Tests . . . . 238--238
                      Anonymous   A Four-Track Freight Tunnel for
                                  Manhattan Island . . . . . . . . . . . . 238--238
                      Anonymous   Nasmyth --- The Centenary of a Great
                                  Inventor . . . . . . . . . . . . . . . . 238--238
                      Anonymous   Engineering  . . . . . . . . . . . . . . 239--239
                      Anonymous   Electricity  . . . . . . . . . . . . . . 239--239
                      Anonymous   Science  . . . . . . . . . . . . . . . . 239--239
                  William Allen   Fall of the B. & O. Susquehanna Bridge    240--240
                Herbert T. Wade   The Sun's Radiation and Its Study  . . . 241--242
                      Anonymous   The Paper Industry as Related to Forests
                                  and Education  . . . . . . . . . . . . . 243--243
                      Anonymous   The Multiple Air Propeller. Its
                                  Aeronautic Possibilities for Dirigible
                                  Airships, Aeroplanes, and Helicopters    244--244
               Day Allen Willey   The Naval Stores Industry  . . . . . . . 245--246
            Charles Christadoro   The Evolution of the Dovetailed Box  . . 247--247
                      Anonymous   Cutting Wood with Paper  . . . . . . . . 247--247
                      Anonymous   A Universal Joint of Simple Design . . . 247--247
                      Anonymous   How to Obtain Fresh Water from Sea Water 247--247
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 259--259
                      Anonymous   Recently Patented Inventions . . . . . . 265--265
                      Anonymous   Notes and Queries  . . . . . . . . . . . 265--267
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 267--267
                      Anonymous   Index of Inventions  . . . . . . . . . . 267--271
                      Anonymous   Some Theories Verified . . . . . . . . . 254--254
                      Anonymous   Langley --- a Tribute  . . . . . . . . . 254--254
                      Anonymous   Wanted: A Sanitary Railway Car . . . . . 254--254
                      Anonymous   Engineering  . . . . . . . . . . . . . . 255--255
                      Anonymous   Electricity  . . . . . . . . . . . . . . 255--255
                      Anonymous   Science  . . . . . . . . . . . . . . . . 255--255
                      Anonymous   The Eyes of Plants . . . . . . . . . . . 256--256
                      Anonymous   A New Ice-Making Machine for Domestic
                                  Use  . . . . . . . . . . . . . . . . . . 257--257
                      Anonymous   A Rescue Training School and
                                  Experimental Gallery for Miners  . . . . 260--261
              Walter L. Beasley   New Fossil Wonders from the Fayum of
                                  Egypt  . . . . . . . . . . . . . . . . . 261--262
                      Anonymous   Polishing the great Cullinan Diamond . . 262--262
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 263--264
                       A. Fagan   A Simple Method for Making a Coiled
                                  Spring . . . . . . . . . . . . . . . . . 264--264
                  John R. Allen   A Home-Made Wimshurst Machine  . . . . . 264--264
                      Anonymous   A Blacksmith's Napkin Ring . . . . . . . 264--264
                      Anonymous   An Unbreakable Leyden Jar  . . . . . . . 264--264
                   A. E. Osborn   A Simple Foot-Power Compound Grinder . . 264--264
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 279--279
                      Anonymous   Recently Patented Inventions . . . . . . 285--285
                      Anonymous   Notes and Queries  . . . . . . . . . . . 285--288
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 288--288
                      Anonymous   Index of Inventions  . . . . . . . . . . 288--291
                      Anonymous   The Balloon in Foggy Weather . . . . . . 274--274
                      Anonymous   Our Macadamized Road Fiasco  . . . . . . 274--274
                      Anonymous   Flarebacks in the French Navy  . . . . . 274--274
                      Anonymous   Manufacturing Paper from Cornstalks  . . 274--274
                      Anonymous   Engineering  . . . . . . . . . . . . . . 275--275
                      Anonymous   Electricity  . . . . . . . . . . . . . . 275--275
                      Anonymous   Science  . . . . . . . . . . . . . . . . 275--275
                      Anonymous   An Automobile for Horses . . . . . . . . 276--276
                      Anonymous   Original Method of Making a Railroad
                                  Fill . . . . . . . . . . . . . . . . . . 276--276
            Harold J. Shepstone   The Mountain Telescopes of Switzerland   277--278
                      Anonymous   V --- The Japanese Navy of To-Day  . . . 279--282
                      Anonymous   Patent Department  . . . . . . . . . . . 283--283
                      Anonymous   Door Check and Closes  . . . . . . . . . 283--283
                      Anonymous   Water Current Motor  . . . . . . . . . . 283--283
                      Anonymous   Improved Railway Spike . . . . . . . . . 283--283
                      Anonymous   An Improved Telegraph Sounder  . . . . . 283--283
                      Anonymous   Report of the Commissioner of Patents    284--284
                      Anonymous   A New Shutter Attachment . . . . . . . . 284--284
                      Anonymous   An Improved Air Pump . . . . . . . . . . 284--284
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 299--299
           Henry Norris Russell   The Heavens in November  . . . . . . . . 302--302
                      Anonymous   Recently Patented Inventions . . . . . . 304--304
                      Anonymous   Index of Inventions  . . . . . . . . . . 304--307
                      Anonymous   That Newport Conference  . . . . . . . . 294--294
                      Anonymous   The Force involved in Automobile
                                  Collisions . . . . . . . . . . . . . . . 294--294
                      Anonymous   The 1908 Vanderbilt Cup Race . . . . . . 294--294
                      Anonymous   Engineering  . . . . . . . . . . . . . . 295--295
                      Anonymous   Electricity  . . . . . . . . . . . . . . 295--295
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 295--295
                      Anonymous   The Knudsen Wireless Typewriter  . . . . 296--297
                Percival Hislam   Salving the Wrecked British Cruiser
                                  ``Gladiator''  . . . . . . . . . . . . . 297--298
                      Anonymous   Fire-Control Masts . . . . . . . . . . . 299--299
                      Anonymous   Curious Facts about Numbers  . . . . . . 299--299
                  Jacques Boyer   The Manufacture of Incandescent Gas
                                  Mantles  . . . . . . . . . . . . . . . . 300--301
                     L. B. Ward   The ``Lifting Process'' in the Quarrying
                                  of Granite . . . . . . . . . . . . . . . 301--302
               Day Allen Willey   The Yuma Irrigation Dam  . . . . . . . . 302--303
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 315--315
                      Anonymous   Recently Patented Inventions . . . . . . 321--321
                      Anonymous   Notes and Queries  . . . . . . . . . . . 321--323
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 323--323
                      Anonymous   Index of Inventions  . . . . . . . . . . 323--327
                      Anonymous   A Precaution against Water Famine  . . . 310--310
                      Anonymous   Carnegie Meridian Astrometry Expedition  310--310
                      Anonymous   Detection of Carbon Monoxide in the Air  310--310
                      Anonymous   The Fallacy of Artificial Food . . . . . 310--310
                      Anonymous   Engineering  . . . . . . . . . . . . . . 311--311
                      Anonymous   Electricity  . . . . . . . . . . . . . . 311--311
                      Anonymous   Science  . . . . . . . . . . . . . . . . 311--311
                      Anonymous   The Fourth Vanderbilt Cup Automobile
                                  Race . . . . . . . . . . . . . . . . . . 312--313
                      Anonymous   A Mammoth Gyratory Stone Crusher . . . . 314--314
                      Anonymous   Was This an Aerolite?  . . . . . . . . . 315--315
                      Anonymous   A Paddle Wheel for Gliding Boats . . . . 315--315
                      Anonymous   Electric Scrubber for Cleaning Ships'
                                  Bottoms without Drydocking . . . . . . . 316--317
                 J. F. Springer   Metallographs, or Photographs of the
                                  Structure of Metal Specimens . . . . . . 317--318
                      L. Lodian   Some Commercial Uses of the
                                  Glass-Sponges  . . . . . . . . . . . . . 318--318
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 319--319
                      Anonymous   A Painter's Platform Bracket . . . . . . 319--319
                  H. D. Chapman   Screw-Slotting Attachment for Lathes . . 319--319
                      Anonymous   A Guide for Drilling Horizontal Holes    319--319
                J. A. Bergstrom   Substitutes for a Pipe Wrench  . . . . . 319--319
                  A. V. Searing   Old Glue Pot as a Metal Pot and Ladle    319--319
                      Anonymous   Starting Device for Siphons  . . . . . . 319--319
                      Anonymous   Rag Carpet Needle  . . . . . . . . . . . 319--320
                       W. J. C.   Home-Made Vacuum Cleaner . . . . . . . . 320--320
                Gustave Michaud   A Stereoscope for Single Photographs . . 320--320
        
                      Anonymous   Recently Patented Inventions . . . . . . 32--32
                      Anonymous   Notes and Queries  . . . . . . . . . . . 32--32
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 32--32
                      Anonymous   Index of Inventions  . . . . . . . . . . 32--35
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 36--36
                      Anonymous   Side Doors for Subway Cars . . . . . . . 22--22
                      Anonymous   Government Restrictions of Niagara Water
                                  Power  . . . . . . . . . . . . . . . . . 22--22
                      Anonymous   Marine Engine Endurance  . . . . . . . . 22--22
                      Anonymous   Extensive Electrification of German
                                  Railroads  . . . . . . . . . . . . . . . 22--22
                      Anonymous   A Question of Speed  . . . . . . . . . . 22--22
                      Anonymous   Electro-Plating Non-Metallic Articles    22--23
                       C. Field   Further Notes on the Star and Crescent   23--23
                      Anonymous   The Kaiser's Silver Flotilla at the
                                  Berlin Shipbuilding Exhibition . . . . . 23--23
                      Anonymous   Official Meteorological Summary, New
                                  York, N.Y., June, 1908 . . . . . . . . . 23--23
                      Anonymous   The Current Supplement . . . . . . . . . 23--23
                      Anonymous   No Award of the Prize for Humane
                                  Slaughtering . . . . . . . . . . . . . . 23--23
                      Anonymous   Successful Test of New York's New
                                  High-Pressure Fire Service . . . . . . . 24--24
                      Anonymous   The Trials of the Scout Cruiser
                                  ``Salem''  . . . . . . . . . . . . . . . 25--26
                Otto G. Luyties   Experiments with a Helicopter  . . . . . 26--27
                      Anonymous   Government Tests of Mine Explosives  . . 27--28
            Harold J. Shepstone   A Collection of Models of Old London . . 29--30
                      Anonymous   The First Trial Flight of an Aeroplane
                                  for the \booktitleScientific American
                                  Trophy . . . . . . . . . . . . . . . . . 30--30
                      Anonymous   Book for Fish Hooks  . . . . . . . . . . 31--31
                      Anonymous   Attachment for Printing Stamps . . . . . 31--31
                      Anonymous   Hook for Garments  . . . . . . . . . . . 31--31
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 335--335
                      Anonymous   Recently Patented Inventions . . . . . . 341--341
                      Anonymous   Notes and Queries  . . . . . . . . . . . 341--343
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 343--343
                      Anonymous   Index of Inventions  . . . . . . . . . . 343--347
                      Anonymous   Accuracy and Uniformity in Electrical
                                  Standards  . . . . . . . . . . . . . . . 330--330
                      Anonymous   The Tactical Value of Torpedo Craft  . . 330--330
                      Anonymous   Engineering  . . . . . . . . . . . . . . 331--331
                      Anonymous   Electricity  . . . . . . . . . . . . . . 331--331
                      Anonymous   Science  . . . . . . . . . . . . . . . . 331--331
                Herbert T. Wade   Successful Test of New York's
                                  High-Pressure Fire Service . . . . . . . 332--332
               Day Allen Winley   The Menace of the Forest Fire  . . . . . 333--334
                      Anonymous   The Launch of Our First ``Dreadnought''  334--335
                      Anonymous   A Multiple Cycle for the Blind . . . . . 336--336
                      Anonymous   Action Aloft; or Fighting Tops, Past and
                                  Passing  . . . . . . . . . . . . . . . . 336--338
                      Anonymous   The Aeronautic Society's First
                                  Exhibition . . . . . . . . . . . . . . . 338--338
                      Anonymous   Patent Department  . . . . . . . . . . . 339--339
                      Anonymous   Combined Poncho and Tent . . . . . . . . 339--339
                      Anonymous   Plow for Turning the Surface Soil Under
                                  the Subsoil  . . . . . . . . . . . . . . 339--339
                      Anonymous   An Improved Winch  . . . . . . . . . . . 339--339
                      Anonymous   Collapsible Step-Ladder  . . . . . . . . 339--339
                      Anonymous   Brake for Bob Sleds  . . . . . . . . . . 340--340
                      Anonymous   Waterproof Fuse Cap  . . . . . . . . . . 340--340
                      Anonymous   Novel Type of Plow . . . . . . . . . . . 340--340
                      Anonymous   Oddities in Invention  . . . . . . . . . 340--340
        
                      Anonymous   Recently Patented Inventions . . . . . . 361--361
                      Anonymous   Notes and Queries  . . . . . . . . . . . 361--362
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 362--362
                      Anonymous   Index of Inventions  . . . . . . . . . . 362--367
                      Anonymous   A Monumental Blunder . . . . . . . . . . 350--350
                      Anonymous   A New Era in Aeroplane Transport . . . . 350--350
                      Anonymous   Wilbur Wright's Record for Height  . . . 350--350
                      Anonymous   The Handy Man's Workshop . . . . . . . . 350--350
                      Anonymous   Engineering  . . . . . . . . . . . . . . 351--351
                      Anonymous   Electricity  . . . . . . . . . . . . . . 351--351
                      Anonymous   Science  . . . . . . . . . . . . . . . . 351--351
                Robert Grimshaw   A New Form of Telautograph . . . . . . . 352--352
                 S. A. Mitchell   Cyclones on the Sun  . . . . . . . . . . 353--355
                      Anonymous   Correspondence . . . . . . . . . . . . . 355--355
                  Jacques Boyer   An Aeroplane Factory . . . . . . . . . . 356--356
                      Anonymous   The Latest European Airships and
                                  Aeroplanes and Their Performances  . . . 357--359
                      Anonymous   Handy Man's Workshop . . . . . . . . . . 359--359
                    B. A. Johns   Ejector Made out of Pipe Fittings  . . . 359--359
                Walton Harrison   Storage Battery without Chemicals  . . . 359--359
                Edward J. Tiede   Convenient Holder for Sandpaper  . . . . 359--359
                   I. C. Bayley   The Construction of a Workshop . . . . . 359--360
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 374--374
           Henry Norris Russell   The Heavens in December  . . . . . . . . 375--375
                      Anonymous   Recently Patented Inventions . . . . . . 382--382
                      Anonymous   Notes and Queries  . . . . . . . . . . . 382--383
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 383--384
                      Anonymous   Index of Inventions  . . . . . . . . . . 384--387
                      Anonymous   Technical Heads for Technical City
                                  Departments  . . . . . . . . . . . . . . 370--370
                      Anonymous   Making Rocks and Minerals Artificially   370--370
                      Anonymous   Engineering  . . . . . . . . . . . . . . 371--371
                      Anonymous   Electricity  . . . . . . . . . . . . . . 371--371
                      Anonymous   Science  . . . . . . . . . . . . . . . . 371--371
              Frederic R. Honey   The Eclipse of the Sun and Lunar Appulse
                                  in December, 1908  . . . . . . . . . . . 372--372
                      Anonymous   Launch of the ``North Dakota'' . . . . . 372--372
              J. A. Fitzpatrick   Is Concrete Steel a Permanent
                                  Construction?  . . . . . . . . . . . . . 373--373
                      Anonymous   How India is Fighting the Plague --- the
                                  Manufacture and Use of Anti-Plague
                                  Vaccine  . . . . . . . . . . . . . . . . 373--374
                  Jacques Boyer   An Automobile Hoe  . . . . . . . . . . . 376--377
                   C. H. Claudy   The Guiding Lights of Our Coasts . . . . 377--377
                      Anonymous   Handyman's Workshop  . . . . . . . . . . 378--378
               George W. Naylor   Roller Mounting for the Christmas Tree   378--378
                  A. V. Searing   Folding Tree Stand . . . . . . . . . . . 378--378
                       H. G. L.   To Prevent the Christmas Tree from
                                  Upsetting  . . . . . . . . . . . . . . . 378--378
              L. Gessford Handy   A Christmas Tree Garden  . . . . . . . . 379--379
               G. H. Rutherford   Protection for Christmas Tree Candles    379--379
                      Anonymous   Some Home-Made Christmas Presents  . . . 379--379
                       W. J. C.   Copper-Plating Flowers and Other
                                  Perishable Articles  . . . . . . . . . . 379--380
               Ralph C. Davison   Ornamental Concrete Flower Pots and How
                                  to Make Them . . . . . . . . . . . . . . 380--380
                    B. A. Johns   Home-Made Metal Lamp Shade . . . . . . . 380--381
                      Anonymous   The Christmas Entertainment  . . . . . . 381--381
                Gustave Michaud   A Trick with Tourmaline  . . . . . . . . 381--381
        
                      Anonymous   Index of Inventions  . . . . . . . . . . 418--423
                      Anonymous   The Ethics of Criticism  . . . . . . . . 392--392
                      Anonymous   Some Early Light-Weight Motors . . . . . 392--392
                      Anonymous   Schooners for International Yacht Racing 392--392
                      Anonymous   The Grand Prize Automobile Road Race and
                                  Its Probable Successor . . . . . . . . . 392--392
                      Anonymous   Engineering  . . . . . . . . . . . . . . 393--393
                      Anonymous   Electricity  . . . . . . . . . . . . . . 393--393
                      Anonymous   Aeronautical and Automobile  . . . . . . 393--393
                      Anonymous   Water Supply . . . . . . . . . . . . . . 394--396
                      Anonymous   The Catskill Water Supply  . . . . . . . 396--396
                      Anonymous   The City's Giant Bridges . . . . . . . . 397--397
                      Anonymous   The Williamsburg Suspension Bridge . . . 397--397
                      Anonymous   The Manhattan Suspension Bridge  . . . . 397--400
                      Anonymous   The Queensborough Cantilever Bridge  . . 400--400
                      Anonymous   Tall Buildings of New York . . . . . . . 400--403
                      Anonymous   Tunnels and Subways  . . . . . . . . . . 404--407
                      Anonymous   Harbor and Dock Improvements . . . . . . 408--408
                      Anonymous   Railway Terminals  . . . . . . . . . . . 409--409
                      Anonymous   Pennsylvania Railroad Terminal Station   409--410
                      Anonymous   New Grand Central Terminal Station . . . 410--412
                      Anonymous   Freight Distribution by Subway . . . . . 413--413
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 431--431
                      Anonymous   Recently Patented Inventions . . . . . . 437--438
                      Anonymous   Notes and Queries  . . . . . . . . . . . 438--439
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 439--439
                      Anonymous   Index of Inventions  . . . . . . . . . . 439--443
                      Anonymous   Legislation to Prevent Forest Fires  . . 426--426
                      Anonymous   Newport Conference Approves Designs of
                                  New Battleships  . . . . . . . . . . . . 426--426
                      Anonymous   Detection of Sulphurous Acid in
                                  Foodstuffs . . . . . . . . . . . . . . . 426--426
                      Anonymous   Engineering  . . . . . . . . . . . . . . 427--427
                      Anonymous   Electricity  . . . . . . . . . . . . . . 427--427
                      Anonymous   Science  . . . . . . . . . . . . . . . . 427--427
                      Anonymous   Brazilian Battleship ``Minas Geraes''
                                  --- Most Powerful Fighting Ship Afloat   428--429
                      Anonymous   A Hydraulic Drive System . . . . . . . . 429--430
              James Cooke Mills   New Discoveries about Lightning  . . . . 430--430
                      Anonymous   Progress on the Panama Canal . . . . . . 431--433
                      Anonymous   Santos Dumont's Latest Aeroplane . . . . 433--433
                      Anonymous   The Fourth Aeroplane of the Aerial
                                  Experiment Association . . . . . . . . . 433--434
                 S. Frank Aaron   Mechanism of the Ovipositor Drill  . . . 435--435
                      Anonymous   Patent Department  . . . . . . . . . . . 436--436
                      Anonymous   Grain-Washing Machine  . . . . . . . . . 436--436
                      Anonymous   Novel Boat-Propelling Device . . . . . . 436--436
                      Anonymous   Brake Mechanism for Wagons . . . . . . . 436--436
                      Anonymous   Improved Railroad Tie  . . . . . . . . . 436--436
        
                      Anonymous   Recently Patented Inventions . . . . . . 457--457
                      Anonymous   Notes and Queries  . . . . . . . . . . . 457--458
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 458--458
                      Anonymous   Patent Notes: Patent Causes  . . . . . . 458--458
                      Anonymous   Index of Inventions  . . . . . . . . . . 458--463
                      Anonymous   President Roosevelt Would Reorganize the
                                  Navy Department  . . . . . . . . . . . . 446--446
                      Anonymous   Tribute to a Civilian Inventor . . . . . 446--446
                      Anonymous   Aeronautics  . . . . . . . . . . . . . . 447--447
                      Anonymous   Electricity  . . . . . . . . . . . . . . 447--447
                      Anonymous   Science Notes  . . . . . . . . . . . . . 447--447
                Percival Hislam   Battle Practice in the British Navy  . . 448--449
                  F. C. Coleman   How English Royalty Travels  . . . . . . 449--449
                      Anonymous   The Aeroplane Military Scout . . . . . . 450--450
                      Anonymous   Curious Facts about Numbers  . . . . . . 451--451
                      Anonymous   Gun Erosion  . . . . . . . . . . . . . . 451--451
                      Anonymous   Artificial Sapphires . . . . . . . . . . 452--452
                  Jacques Boyer   New Mechanical Toys  . . . . . . . . . . 453--454
                      Anonymous   Destructive Fungus of White Cedar  . . . 454--455
                      Anonymous   Announcement . . . . . . . . . . . . . . 455--455
                H. L. Whitemore   Let the Clock Open the Furnace Drafts    455--455
              Frederic R. Honey   How to Use the Slide Rule  . . . . . . . 455--456
                    L. G. Handy   Simple Driver for Small Drills . . . . . 456--456
                J. O. Brouillet   Drilling Holes in Marbles  . . . . . . . 456--456
                   I. G. Bayley   Furnishing the Workshop  . . . . . . . . 456--456
                    F. D. Sweet   Device for Finding Centers of Round Work 456--456
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 471--471
                      Anonymous   Recently Patented Inventions . . . . . . 476--476
                      Anonymous   Notes and Queries  . . . . . . . . . . . 476--478
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 478--478
                      Anonymous   Index of Inventions  . . . . . . . . . . 478--480
                      Anonymous   Index  . . . . . . . . . . . . . . . . . 481--482
                      Anonymous   Gatun Dam Facts Perverted  . . . . . . . 466--466
                      Anonymous   Fashions in Electric Systems . . . . . . 466--466
                      Anonymous   Manhattan Suspension Bridge to be
                                  Investigated . . . . . . . . . . . . . . 466--467
                      Anonymous   Engineering  . . . . . . . . . . . . . . 467--467
                      Anonymous   Electricity  . . . . . . . . . . . . . . 467--467
                      Anonymous   Science  . . . . . . . . . . . . . . . . 467--467
                   P. A. Hislam   The Transportation of Submarines . . . . 468--468
                      Anonymous   Farman's Experiments with his
                                  Triple-Surface Aeroplane . . . . . . . . 468--469
              Alfred Gradenwitz   Models for Illustrating the Strain on
                                  Structures . . . . . . . . . . . . . . . 469--470
                      Anonymous   Magnitude of the Salt Industry . . . . . 470--471
                      Anonymous   A Defense of the Wright System of
                                  Propellers . . . . . . . . . . . . . . . 471--472
               Day Allen Willey   A Novel System of Concrete Construction  472--473
                Otto Kretschmer   Fast Steamers Built on ``Tetrahedral''
                                  Lines  . . . . . . . . . . . . . . . . . 473--474
             Arthur H. J. Keane   A New and Interesting Motor Cycle  . . . 474--475
                      Anonymous   A New Incandescent Gas Mantle  . . . . . 475--475
            Crittenden Marriott   The Measles Cannibal . . . . . . . . . . 475--475
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 43--43
                      Anonymous   Recently Patented Inventions . . . . . . 48--48
                      Anonymous   Index of Inventions  . . . . . . . . . . 48--51
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 52--52
                      Anonymous   The \booktitleScientific American
                                  Aeronautical Trophy  . . . . . . . . . . 38--38
                      Anonymous   The First 25-Knot Liner  . . . . . . . . 38--38
                      Anonymous   Aeronautics in War --- a \em Reductio ad
                                  Absurdum . . . . . . . . . . . . . . . . 38--38
                      Anonymous   Peary's Quest of the North Pole  . . . . 38--38
                      Anonymous   Test of Safety Devices by the Public
                                  Service Commission . . . . . . . . . . . 38--39
                      Anonymous   The Present Position of the Darwinian
                                  Theory . . . . . . . . . . . . . . . . . 39--39
                      Anonymous   Science Notes  . . . . . . . . . . . . . 39--39
                      Anonymous   The Current Supplement . . . . . . . . . 39--39
                   I. G. Bayley   A Novel Music Stand or Book Rest . . . . 40--40
                      Anonymous   A Machine for Handling Coke in the Yard  40--40
              James Cooke Mills   A Multiple Molding Machine . . . . . . . 41--41
                  F. C. Coleman   A New British Locomotive . . . . . . . . 41--42
                      Anonymous   A Selenium Photometer  . . . . . . . . . 42--42
                      Anonymous   The New French and German Airships
                                  ``République'' and ``Zeppelin IV''  . . . 43--44
                      Anonymous   First Successful Flights of Blériot's No.
                                  8 Monoplane  . . . . . . . . . . . . . . 44--44
                      Anonymous   The Winning Flight of the ``June Bug''
                                  Aeroplane for the \booktitleScientific
                                  American Trophy  . . . . . . . . . . . . 45--45
                      Anonymous   Hatching Snakes  . . . . . . . . . . . . 46--46
                      Anonymous   Patent Department  . . . . . . . . . . . 47--47
                   C. M. Foster   Home-Made Rotary Printing Press Built of
                                  Junk . . . . . . . . . . . . . . . . . . 47--47
                      Anonymous   Rope Bracket for Swing Seats . . . . . . 47--47
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 59--59
                      Anonymous   Recently Patented Inventions . . . . . . 64--64
                      Anonymous   Index of Inventions  . . . . . . . . . . 64--67
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 68--68
                      Anonymous   The Wreck of the White Mountain Express  54--54
                      Anonymous   The Pros and Cons of the Marine Gas
                                  Engine . . . . . . . . . . . . . . . . . 54--54
                      Anonymous   The Fifth Annual Automobile Tour for the
                                  Glidden Trophy . . . . . . . . . . . . . 54--55
                 S. A. Mitchell   Some Results from the 1908 Total Solar
                                  Eclipse  . . . . . . . . . . . . . . . . 55--55
            Charles R. Stockard   How Does an Egg Develop into an Animal?  56--58
                      Anonymous   Comparison of a Steam-Driven and a
                                  Gas-Driven Battleship of the Same Size
                                  and Speed  . . . . . . . . . . . . . . . 58--59
                      Anonymous   Limit of Height for Tall Buildings . . . 59--59
                      Anonymous   The Widening of the Suez Canal . . . . . 60--62
                      Anonymous   Preserving Grand Opera Records for
                                  Future Generations . . . . . . . . . . . 62--62
                  Jacques Boyer   The Soaring Flight of Birds Attained
                                  Mechanically . . . . . . . . . . . . . . 63--63
        
           Henry Norris Russell   The Heavens in August  . . . . . . . . . 71--71
                      Anonymous   Correspondence . . . . . . . . . . . . . 75--75
                      Anonymous   Recently Patented Inventions . . . . . . 80--80
                      Anonymous   Notes and Queries  . . . . . . . . . . . 80--80
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 80--80
                      Anonymous   Index of Inventions  . . . . . . . . . . 80--83
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 84--84
                      Anonymous   The Pollution of New York Harbor . . . . 70--70
                      Anonymous   Good Work in the Rainy Season at Panama  70--70
                      Anonymous   More Daylight for Recreation . . . . . . 70--70
                      Anonymous   Relation of the Gas Producer to
                                  Low-Grade Fuels  . . . . . . . . . . . . 70--70
                      Anonymous   A New Process for the Manufacture of
                                  Copper Wire  . . . . . . . . . . . . . . 70--70
                      Anonymous   Immortality of Micro-Organisms . . . . . 71--71
              S. Leonard Bastin   Some Home-Made Weather Instruments . . . 72--72
               Day Allen Willey   Irrigation of the Yuma Valley  . . . . . 73--74
                      Anonymous   Erecting the Construction Footways of
                                  the Manhattan Bridge . . . . . . . . . . 76--77
                      Anonymous   The Work of a Nebraska Cyclone . . . . . 78--78
                      Anonymous   Patent Department  . . . . . . . . . . . 79--79
                      Anonymous   Improved Lock for Cars . . . . . . . . . 79--79
                      Anonymous   Non-Refillable Bottle  . . . . . . . . . 79--79
                      Anonymous   Elevator for Raising Ore Concentrates    79--79
        
                      Anonymous   Recently Patented Inventions . . . . . . 96--96
                      Anonymous   Notes and Queries  . . . . . . . . . . . 96--96
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 97--97
                      Anonymous   Index of Inventions  . . . . . . . . . . 97--99
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 100--100
                      Anonymous   The Railroad Spike --- an Anachronism of
                                  the Twentieth Century  . . . . . . . . . 86--86
                      Anonymous   A Talk with Henry Farman . . . . . . . . 86--87
                      Anonymous   Clothing for the Tropics . . . . . . . . 87--87
                      Anonymous   The Japanese Exposition  . . . . . . . . 87--87
                      Anonymous   The Calendar of the Inhabitants of Venus 87--87
                      Anonymous   Science Notes  . . . . . . . . . . . . . 87--87
                      Anonymous   The Current Supplement . . . . . . . . . 87--87
                      Anonymous   Our ``Notes and Queries'' Column . . . . 87--87
                      Anonymous   A Machine for Piling Timber  . . . . . . 88--88
                      Anonymous   Artificial Sea Water . . . . . . . . . . 88--88
                 J. F. Springer   The Mystery of Comets  . . . . . . . . . 89--90
                      Anonymous   III. --- The German Navy of To-Day . . . 91--94
                      Anonymous   Progress of Excavation of Culebra Cut    94--94
                  Jacques Boyer   The Opacity of Bones to Roentgen Rays as
                                  an Indication of Age . . . . . . . . . . 95--95
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 107--107
                      Anonymous   Recently Patented Inventions . . . . . . 112--112
                      Anonymous   Notes and Queries  . . . . . . . . . . . 112--113
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 113--113
                      Anonymous   Index of Inventions  . . . . . . . . . . 113--115
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 116--116
                      Anonymous   The Successful Defender of the
                                  International Motor Boat Cup . . . . . . 102--102
                      Anonymous   A Cruiser-Battleship Holds the
                                  Transatlantic Record . . . . . . . . . . 102--102
                      Anonymous   The Zeppelin Airship Disaster  . . . . . 102--102
                      Anonymous   May a Manufacturer Buy a Patent, Never
                                  Use It, and Sue for Infringement?  . . . 102--103
                 J. F. Springer   Color-Blindness  . . . . . . . . . . . . 103--103
                      Anonymous   Military Ballooning in Japan . . . . . . 103--103
                      Anonymous   The Current Supplement . . . . . . . . . 103--103
            Harold J. Shepstone   A Municipal ``Microbe Farm'' . . . . . . 104--104
                  Percy Collins   The Evolution of the Blow  . . . . . . . 105--106
                      Anonymous   The Mechanical Joys of Coney Island  . . 108--110
                      Anonymous   A No-Segment Graphite-Resistance
                                  Controller . . . . . . . . . . . . . . . 110--110
                      Anonymous   The International Motor Boat Race for
                                  the Harmsworth Trophy  . . . . . . . . . 111--111
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 123--123
                      Anonymous   Recently Patented Inventions . . . . . . 128--128
                      Anonymous   Notes and Queries  . . . . . . . . . . . 128--128
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 129--129
                      Anonymous   Index of Inventions  . . . . . . . . . . 129--131
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 132--132
                      Anonymous   Paucity of Monuments to Engineers  . . . 118--118
                      Anonymous   International Electrical Units . . . . . 118--118
                      Anonymous   Improvement of New York--New Jersey
                                  Suburban Service --- II  . . . . . . . . 118--119
                  H. W. Horwill   Science and the Schoolboy Mind . . . . . 119--119
                      Anonymous   Science Notes  . . . . . . . . . . . . . 119--119
                      Anonymous   The Current Supplement . . . . . . . . . 119--119
               W. Frank M'clure   Dry Farming in Semi-Arid Districts . . . 120--121
                      Anonymous   The Ekenberg Process for Manufacturing
                                  Dried Milk . . . . . . . . . . . . . . . 121--122
                      Anonymous   Side Launching of the U.S.S.
                                  ``Patuxent'' . . . . . . . . . . . . . . 122--123
                      Anonymous   Recent Foreign Aeroplanes  . . . . . . . 124--125
                      Anonymous   The United States and British Government
                                  Airships . . . . . . . . . . . . . . . . 125--125
                      Anonymous   A Boat Made of Newspapers  . . . . . . . 126--126
              B. Leonard Bastin   Why do Roots Grow Down and Shoots Grow
                                  Up?  . . . . . . . . . . . . . . . . . . 126--127
        
                      Anonymous   Correspondence . . . . . . . . . . . . . 139--139
                      Anonymous   Recently Patented Inventions . . . . . . 144--144
                      Anonymous   Notes and Queries  . . . . . . . . . . . 144--145
                      Anonymous   Books: New Books, Etc. . . . . . . . . . 145--145
                      Anonymous   Index of Inventions  . . . . . . . . . . 145--148
                      Anonymous   Patent Notes: Patents  . . . . . . . . . 148--148
                      Anonymous   Is the Motor Bus Profitable? . . . . . . 134--134
                      Anonymous   Proposed Test of Full-Sized Blackwell's
                                  Island Bridge Chord  . . . . . . . . . . 134--134
                      Anonymous   The Pneumatic Tire and the Heavy
                                  Commercial Automobile  . . . . . . . . . 134--134
                      Anonymous   On Courtesy  . . . . . . . . . . . . . . 134--135
                   John Plummer   The Shackleton Antarctic Expedition  . . 135--135
                      Anonymous   The Wright Aeroplane Tests . . . . . . . 135--135
                      Anonymous   Recent Military Dirigible Balloons . . . 135--135
                      Anonymous   Science Notes  . . . . . . . . . . . . . 135--135
                  W. L. Salvage   Wire Suspension Foot Bridge at Platt
                                  National Park  . . . . . . . . . . . . . 136--136
                 J. F. Springer   Testing for Hardness . . . . . . . . . . 136--136
                      Anonymous   A New Type of Clam-Shell Bucket  . . . . 137--137
                      Anonymous   Some Ingenious Foreign Inventions  . . . 137--139
                      Anonymous   Gasoline-Propelled Gunboats for River
                                  Service  . . . . . . . . . . . . . . . . 140--140
                      Anonymous   The Wright Brothers' Aeroplane in France
                                  and the United States  . . . . . . . . . 140--141
                      Anonymous   The Propagating Influence of
                                  High-Tension Electric Currents Upon
                                  Plants . . . . . . . . . . . . . . . . . 142--142
                      Anonymous   Patent Department  . . . . . . . . . . . 143--143
                      Anonymous   Some Novel Types of Shaving Brushes  . . 143--143
                      Anonymous   Holder for Brooms and Similar Articles   143--143