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                Wed Sep 26 08:28:44 MDT 2018
            
            
                          
            
                 
            
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 2--2
               Edgar D. Tillyer   Personalities in Science . . . . . . . . 3--3
                      Anonymous   Frontispiece: X Rays Reveal the Secrets
                                  Beneath its Paint  . . . . . . . . . . . 4--4
                      Anonymous   Editorials: Our Point of View  . . . . . 9--9
               F. D. McHugh and   
               Alexander Klemin   \booktitleScientific American Digest:
                                  Versatile Eye-Testing Machine, Improved
                                  White Lead, and more . . . . . . . . . . 26--54
                  Jacob Deschin   Camera Angles Round Table  . . . . . . . 55--55
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 56--57
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 58--61
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 62--62
                  Orson D. Munn   Legal High-Lights: Apportionment,
                                  Unreconstructed, and more  . . . . . . . 63--63
         Charles Wisner Barrell   Identifying `Shakespeare'  . . . . . . . 5--8
                James A. Bauble   To Combat Noise  . . . . . . . . . . . . 10--11
           Henry Norris Russell   Dust Clouds of Space . . . . . . . . . . 12--13
              Albert G. Ingalls   The Carboniferous Mystery  . . . . . . . 14--14
                      Anonymous   Four Fastest . . . . . . . . . . . . . . 15--15
                   G. M. Barnes   Our Superior Modernized 75's . . . . . . 16--18
                      Anonymous   Controlled Comfort for Workers . . . . . 19--19
                Andrew R. Boone   Electrons Dance the Rhumba . . . . . . . 20--21
                  Nelson Glueck   The Pittsburgh of Old Palestine  . . . . 22--24
                      Anonymous   The Snow Cruiser, A Mobile Base for
                                  Antarctica . . . . . . . . . . . . . . . 25--25
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 66--66
                      Anonymous   Editorials: Our Point of View  . . . . . 68--68
            Philo T. Farnsworth   Personalities in Science . . . . . . . . 69--69
               F. D. McHugh and   
               Alexander Klemin   \booktitleScientific American Digest:
                                  Neon Lamps Simplify Slip-Speed Checks,
                                  Weighting ``Top-Heavy'' Destroyers, and
                                  more . . . . . . . . . . . . . . . . . . 95--118
                      Anonymous   Camera Angles Round Table  . . . . . . . 119--119
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 120--121
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 122--125
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 126--126
                  Orson D. Munn   Legal High-Lights: Reassuring,
                                  Recordings, and more . . . . . . . . . . 127--127
                      Anonymous   For Propeller Designers to Study . . . . 70--70
                J. Edgar Hoover   Photography in Crime Detection . . . . . 71--74
             Charles F. A. Mann   A Bridge that Floats . . . . . . . . . . 75--77
                 H. T. Rutledge   Air, Water, Coal . . . . . . . . . . . . 78--81
                 Robert Littell   Stopping Time  . . . . . . . . . . . . . 82--84
                      Anonymous   Winners in the Fourth Annual
                                  \booktitleScientific American
                                  Photography Contest  . . . . . . . . . . 85--85
           Henry Norris Russell   Algol's Eclipses . . . . . . . . . . . . 86--87
                Andrew R. Boone   Seven Million Maps . . . . . . . . . . . 88--88
                      Anonymous   Molds by Electro-Forming . . . . . . . . 89--89
                   A. W. Jessup   Engineering in Dentistry . . . . . . . . 90--91
               G. H. Estabrooks   Spare Parts  . . . . . . . . . . . . . . 92--94
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 130--130
             George R. Harrison   Personalities in Science . . . . . . . . 131--131
                      Anonymous   Frontispiece: Pure Science Teams With
                                  Industry . . . . . . . . . . . . . . . . 132--132
                      Anonymous   Editorials: Our Point of View  . . . . . 137--137
               F. D. McHugh and   
               Alexander Klemin   \booktitleScientific American Digest:
                                  Screen Made by Electroplating, The
                                  Eskimo Goes Modern, and more . . . . . . 158--182
                      Anonymous   Camera Angles Round Table  . . . . . . . 183--183
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 184--185
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 186--189
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 190--190
                  Orson D. Munn   Legal High-Lights: Varicolored, Ham and
                                  Eggs, and more . . . . . . . . . . . . . 191--191
               Benjamin Adelman   Silent Enemies . . . . . . . . . . . . . 133--135
                      Anonymous   `Open House' . . . . . . . . . . . . . . 136--136
                 Charles Edison   New Engineering in the Navy  . . . . . . 138--139
           Henry Norris Russell   A Famous Theory Weakens  . . . . . . . . 140--141
                Philip H. Smith   Debutante Metal --- Beryllium  . . . . . 142--144
             A. Cressy Morrison   Why Pure Science Pays  . . . . . . . . . 145--147
               Walter L. Finlay   Soundless Sound Waves  . . . . . . . . . 148--149
                 H. T. Rutledge   Restoring Rome's Colosseum . . . . . . . 150--151
                     Earl Aiken   Glass Takes On Color . . . . . . . . . . 152--154
                      Anonymous   An `Engineered' Lily Pad . . . . . . . . 155--155
                  C. E. Milbury   Mystery of the Magnetic Mine . . . . . . 156--157
        
                      Anonymous   Personalities in Industry  . . . . . . . 195--195
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 196--196
                      Anonymous   Editorials: Our Point of View  . . . . . 203--203
               F. D. McHugh and   
               Alexander Klemin   \booktitleScientific American Digest:
                                  ``Damp Cold'' Better than Dry Cold,
                                  Engineer Discovers ``Lightning''
                                  Radiation, and more  . . . . . . . . . . 222--246
                      Anonymous   Camera Angles Round Table  . . . . . . . 247--247
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 248--249
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 250--253
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 254--254
                  Orson D. Munn   Legal High-Lights: Crown Caps, Bubble
                                  Tower, and more  . . . . . . . . . . . . 255--255
                      Anonymous   Air Control Solves Tube Problem  . . . . 198--198
          Charles Morrow Wilson   Green Dragon of the Tropics  . . . . . . 199--202
                   Graham Edgar   More Miles Per Gallon  . . . . . . . . . 204--206
                 H. T. Rutledge   What Does the Soil Need? . . . . . . . . 207--207
           Henry Norris Russell   Stars that have Chemistries  . . . . . . 208--209
              Kirtley F. Mather   Man's Earthly Future . . . . . . . . . . 210--212
                Edward Nuebling   When Water Shortage Threatens  . . . . . 213--215
               Walter L. Finlay   Soundless Sound Waves  . . . . . . . . . 216--217
                R. T. Griebling   Railroads in the Cellar  . . . . . . . . 218--219
            Barclay Moon Newman   Food by Vein . . . . . . . . . . . . . . 220--221
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 258--258
             Ernest O. Lawrence   Personalities in Science . . . . . . . . 259--259
                      Anonymous   Frontispiece: Flagship of a Record
                                  Breaking Fleet . . . . . . . . . . . . . 260--260
                      Anonymous   Editorials: Our Point of View  . . . . . 265--265
               F. D. McHugh and   
               Alexander Klemin   \booktitleScientific American Digest:
                                  Glycerine from Petroleum, Electrostatic
                                  Iron Ore Separator, and more . . . . . . 286--310
                  Jacob Deschin   Camera Angles Round Table  . . . . . . . 311--311
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 312--313
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 314--317
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 318--318
                  Orson D. Munn   Legal High-Lights: Corporate Names,
                                  Equitable Morality, and more . . . . . . 319--319
          Brockholst Livingston   Blimps and Modern Warfare  . . . . . . . 261--263
                      Anonymous   Who was Shakespeare? . . . . . . . . . . 264--264
                   J. Reid Moir   Treasure in East Anglia  . . . . . . . . 266--267
                Jean Harrington   Don't Worry --- it Can't Happen  . . . . 268--268
                      Anonymous   Packaged by Science  . . . . . . . . . . 269--269
                     F. E. Wood   Railroadbed Highway  . . . . . . . . . . 270--271
           Henry Norris Russell   Even the Earth Errs  . . . . . . . . . . 272--273
              Kirtley F. Mather   Man's Earthly Future . . . . . . . . . . 274--276
                      Anonymous   Fish Hooks of New Alloy  . . . . . . . . 277--277
                John F. McMahon   Employee Health Pays Dividends . . . . . 278--281
                     A. P. Peck   Television Relayed . . . . . . . . . . . 282--282
                      Anonymous   Rail Fissures Give up Secrets  . . . . . 283--283
            Barclay Moon Newman   Making Tissues Ageless . . . . . . . . . 284--285
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 322--322
                      Anonymous   Editorials: Our Point of View  . . . . . 329--329
               F. D. McHugh and   
               Alexander Klemin   \booktitleScientific American Digest:
                                  Indian Arrow Poison for Arthritis,
                                  Mental Disease, Enamels for Plastics,
                                  and more . . . . . . . . . . . . . . . . 350--372
                      Anonymous   Camera Angles Round Table  . . . . . . . 373--373
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 374--375
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 376--379
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 380--380
                  Orson D. Munn   Legal High-Lights: Ethyl, Style Piracy,
                                  and more . . . . . . . . . . . . . . . . 381--381
                      Anonymous   Index to Vol. 162  . . . . . . . . . . . 382--383
                      Anonymous   Long Range Defense . . . . . . . . . . . 324--324
            William H. Wenstrom   Inventions Win Wars  . . . . . . . . . . 325--327
                      Anonymous   Seismographing for Oil . . . . . . . . . 328--328
                W. F. McCulloch   History in a Bog . . . . . . . . . . . . 330--331
           Henry Norris Russell   What Causes Magnetic Storms? . . . . . . 332--333
                Philip H. Smith   Tantalum --- New Old Metal . . . . . . . 334--335
            Barclay Moon Newman   What is Death? . . . . . . . . . . . . . 336--337
                William Crowder   Marvels of the Night . . . . . . . . . . 338--340
                      Anonymous   Foods X-Rayed  . . . . . . . . . . . . . 341--341
                 C. W. Sheppard   A Big Gun of Science . . . . . . . . . . 342--343
            Thomas H. MacDonald   For Better Roads . . . . . . . . . . . . 344--346
                Victor E. Maier   Goethe Link Observatory  . . . . . . . . 347--347
                    Ruth Ringle   Ghost Forests  . . . . . . . . . . . . . 348--349
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 2--2
              Donald W. Douglas   Personalities in Industry  . . . . . . . 3--3
                      Anonymous   Frontispiece: The World's Most Powerful
                                  X-Ray Apparatus  . . . . . . . . . . . . 4--4
                      Anonymous   Editorials: Our Point of View  . . . . . 9--9
                Philip H. Smith   Industrial Trends  . . . . . . . . . . . 12--12
                      Anonymous   Browsing with the Editor . . . . . . . . 17--17
                Jean Harrington   Seeing With Electricity  . . . . . . . . 20--22
               F. D. McHugh and   
               Alexander Klemin   \booktitleScientific American Digest:
                                  Coal and Kilowatts, Carboloy Extrusion
                                  Process, and more  . . . . . . . . . . . 23--32
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 33--35
                  Jacob Deschin   Camera Angles: Making the Most of Your
                                  Vacation Shots, Prepared Solutions Vs
                                  Mixing Your Own, and more  . . . . . . . 36--40
                      Anonymous   Camera Angles Round Table  . . . . . . . 41--41
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 42--43
              A. D. Rathbone IV   Your Firearms and Fishing Tackle: Gun
                                  Collector's Philosophy, Are Fish
                                  Color-Blind?, and more . . . . . . . . . 44--46
                  Orson D. Munn   Legal High-Lights: Affirmation, FTC
                                  Injunction, and more . . . . . . . . . . 47--47
               James L. H. Peck   America's Winged Weapons . . . . . . . . 5--7
                      Anonymous   Crew of Ten Handles a London Barrage
                                  Balloon  . . . . . . . . . . . . . . . . 8--8
            William H. Waggaman   The Chemical Giant . . . . . . . . . . . 10--11
                      Anonymous   Insect Quarantine  . . . . . . . . . . . 13--13
                Frank C. Hibben   Sandia Man . . . . . . . . . . . . . . . 14--15
                Roy H. Copperud   Is Atomic Energy Nearer? . . . . . . . . 16--16
           Henry Norris Russell   Bleak Black Ball of Rock . . . . . . . . 18--19
        
                      Anonymous   Editorials: Our Point of View  . . . . . 51--51
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 52--52
                      Anonymous   Frontispiece: Steel Cavalry of Modern
                                  War  . . . . . . . . . . . . . . . . . . 54--54
                J. E. McInerney   Military Science: Machines for War . . . 55--59
                      Anonymous   Tanks, Larger Cruisers . . . . . . . . . 59--59
                Philip H. Smith   Science in Industry: Achievements in
                                  Textiles . . . . . . . . . . . . . . . . 60--62
                      Anonymous   Metal from the Sea . . . . . . . . . . . 62--63
                      Anonymous   Bond, Porcelain-Like, and more . . . . . 63--66
                Philip H. Smith   Industrial Trends  . . . . . . . . . . . 67--67
              Loring A. Schuler   Scientific Research: Maestro of the Atom 68--71
                      Anonymous   More About the Cyclotron . . . . . . . . 71--72
                      Anonymous   Electron Volts, Raman Effect . . . . . . 72--72
                      Anonymous   Browsing with the Editor . . . . . . . . 73--73
           Henry Norris Russell   Astronomy: An Ideal Experiment . . . . . 74--75
             Willis H. Magratha   Archeology: The Temple of the Effigy . . 76--78
                      Anonymous   Mound Builders, Exaggerated  . . . . . . 78--78
               Joseph G. Levine   Aviation: What Makes an Aviator? . . . . 79--80
                      Anonymous   50,000 Airplanes, Camera Guns, and more  80--81
              Albert G. Ingalls   Health Science: Is your Pet Dentrifice
                                  Safe?  . . . . . . . . . . . . . . . . . 82--82
                      Anonymous   Bleeders, Theelin, and more  . . . . . . 82--83
                Frederick Kuhne   Miscellany: Why Universal
                                  Fingerprinting?  . . . . . . . . . . . . 84--85
                      Anonymous   Healthier Plants, Heroic Casting, and
                                  more . . . . . . . . . . . . . . . . . . 85--91
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 92--93
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 100--102
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 103--105
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 106--109
                  Orson D. Munn   Legal High-Lights  . . . . . . . . . . . 110--111
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 112--112
                      Anonymous   Fifth Annual \booktitleScientific
                                  American Amateur Photography Contest . . 94--94
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 114--114
                   David Burpee   Personalities in Science . . . . . . . . 115--115
                      Anonymous   Frontispiece: A Hail of Lead Fire Over
                                  England  . . . . . . . . . . . . . . . . 116--116
             Charles M. Hackett   Science in Industry: Coal Tar Began it   117--119
                Harold Lawrence   Breath of Industry . . . . . . . . . . . 119--121
                      Anonymous   Hot-Spray, Spring Isolator, and more . . 121--124
                Philip H. Smith   Industrial Trends  . . . . . . . . . . . 125--125
              Charles A. McAvoy   Health Science: First Aid For Burns  . . 126--127
                      Anonymous   Stimulating, Fair Exchange, and more . . 127--127
           Henry Norris Russell   Astronomy: Interstellar Gas  . . . . . . 128--129
          Brockholst Livingston   National Defense: Build No Freaks  . . . 130--132
                      Anonymous   U.S. Tanks, ``North Carolina'' . . . . . 132--132
                      Anonymous   Editorials: Our Point of View  . . . . . 133--133
                Andrew R. Boone   Engineering: Mud, Concrete, and Oil  . . 134--135
                 R. G. Skerrett   Under Mohile River . . . . . . . . . . . 135--136
                      Anonymous   Road Protection  . . . . . . . . . . . . 136--136
                      Anonymous   Browsing with the Editor . . . . . . . . 137--137
               Alexander Klemin   Aviation: Helicopters  . . . . . . . . . 138--138
                      Anonymous   Airships, Engine, and more . . . . . . . 138--139
                Philip H. Smith   Scientific Research: No Short-Cut
                                  Horticulture . . . . . . . . . . . . . . 140--142
                      Anonymous   Efficient Turbines, Star ``Jackets'',
                                  and more . . . . . . . . . . . . . . . . 142--143
                 C. W. Sheppard   Miscellany: Physics In Court . . . . . . 144--145
                      Anonymous   Edison, Inventors Aid, and more  . . . . 145--155
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 156--163
              A. D. Rathbone IV   Your Firearms and Fishing Tackle: Your
                                  Firearms And Ishing- Tackle. . . . . . . 164--166
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 167--169
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 170--173
                  Orson D. Munn   Legal High-Lights  . . . . . . . . . . . 174--175
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 176--176
        
                      Anonymous   Editorials: Our Point of View  . . . . . 179--179
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 180--180
                      Anonymous   Frontispiece: Mechanical Shock-Troops of
                                  the Blitzkrieg . . . . . . . . . . . . . 182--182
                A. B. Vosseller   National Defense: Bombers Plus
                                  Battleships  . . . . . . . . . . . . . . 183--185
                      Anonymous   Aircraft Versus Warships . . . . . . . . 185--186
               James L. H. Peck   Helldivers . . . . . . . . . . . . . . . 186--188
                      Anonymous   Smokeless, Flashless . . . . . . . . . . 188--188
               Alexander Klemin   Aviation: Sikorsky's Helicopter  . . . . 189--189
                      Anonymous   Propeller Cuffs  . . . . . . . . . . . . 189--189
            Barclay Moon Newman   Health Science: Geriatrics . . . . . . . 190--192
                      Anonymous   Steadily Better, Roto  . . . . . . . . . 192--192
                      Anonymous   Browsing with the Editor . . . . . . . . 193--193
           Henry Norris Russell   Astronomy: How Big Does the Mood Look?   194--195
                     A. P. Peck   Science in Industry: When You Steer a
                                  Motor-Car  . . . . . . . . . . . . . . . 196--197
                      Anonymous   Carbon Dioxide on Wheels . . . . . . . . 197--198
                      Anonymous   Nylon, Turbine Shafts, and more  . . . . 198--200
                Philip H. Smith   Industrial Trends  . . . . . . . . . . . 201--201
                 C. W. Sheppard   Scientific Research: The Evanescent
                                  Mesotron . . . . . . . . . . . . . . . . 202--203
                      Anonymous   Spectro Photometer, Hygrometer, and more 203--204
                Philip H. Smith   Roots are Pumps  . . . . . . . . . . . . 205--205
              Clarence A. Mills   Miscellany: Business and Changing
                                  Climates . . . . . . . . . . . . . . . . 206--208
                      Anonymous   Turkey Steaks, Niagara Bridge, and more  208--219
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 220--223
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 224--230
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 231--233
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 234--237
                  Orson D. Munn   Legal High-Lights  . . . . . . . . . . . 238--239
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 240--240
        
                      Anonymous   Editorials: Our Point of View  . . . . . 243--243
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 244--245
                      Anonymous   Browsing with the Editor . . . . . . . . 246--246
               William H. Mason   Personalities in Industry  . . . . . . . 247--247
                      Anonymous   Frontispiece: Relief Maps from Aerial
                                  Photographs  . . . . . . . . . . . . . . 248--248
              William B. Landis   Science in Industry: Rubber for America  249--252
                      Anonymous   Dry-Cleaning Grows Up  . . . . . . . . . 252--253
                      Anonymous   Banana Fiber, Temperature Pills, and
                                  more . . . . . . . . . . . . . . . . . . 253--256
                      Anonymous   Industrial Trends  . . . . . . . . . . . 257--257
           Hugh O'Neill Hencken   Archeology: What are Pattee's Caves? . . 258--259
               Alexander Klemin   Aviation: Blind Landing  . . . . . . . . 260--261
                      Anonymous   Autogiro, Safety . . . . . . . . . . . . 261--261
               Sidney J. French   Scientific Research: Plastic Metals  . . 262--264
                      Anonymous   Less Friction, ``Oiling'' Oil, and more  264--265
           Henry Norris Russell   Astronomy: The Origin of the Earth . . . 266--267
                L. T. Henderson   Engineering: Dumps a Car a Minute  . . . 268--269
                      Anonymous   Nitrided Stainless, Cantonments, and
                                  more . . . . . . . . . . . . . . . . . . 269--270
               Edwin R. Bogusch   Miscellany: Life's Debt to Death . . . . 271--273
                 H. T. Rutledge   The Auto Show Moves In . . . . . . . . . 273--275
                      Anonymous   Battery, Long-Lived Fungus, and more . . 275--283
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 284--291
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 295--297
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 298--301
                  Orson D. Munn   Legal High-Lights  . . . . . . . . . . . 302--303
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 304--304
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 292--294
        
                      Anonymous   Editorials: Our Point of View  . . . . . 307--307
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 308--308
                Martin L. Davey   Personalities in Industry  . . . . . . . 309--309
                      Anonymous   Frontispiece: Eight Streams of Metal
                                  Stings . . . . . . . . . . . . . . . . . 310--310
               James L. H. Peck   National Defense: Airpower for Defense   311--314
                      Anonymous   Rubber Die, Dive-Bomber  . . . . . . . . 314--314
                      Anonymous   Browsing with the Editor . . . . . . . . 315--315
              Yandell Henderson   Health Science: Government-Made Addicts  316--318
                      Anonymous   Radio Knives, Nervous, and more  . . . . 318--319
           Henry Norris Russell   Astronomy: What is on Venus? . . . . . . 320--321
               Alexander Klemin   Aviation: Protecting Gasoline Tanks  . . 322--322
                      Anonymous   Hydraulic Testing, Air Trailers, and
                                  more . . . . . . . . . . . . . . . . . . 322--323
                Philip H. Smith   Science in Industry: Lightless Light . . 324--327
                      Anonymous   Carbolic from Gases  . . . . . . . . . . 327--328
                      Anonymous   Natural Gas Storage, Powder Screen, and
                                  more . . . . . . . . . . . . . . . . . . 328--330
                Philip H. Smith   Industrial Trends  . . . . . . . . . . . 331--331
              Albert G. Ingalls   Miscellany: Four Centuries Late  . . . . 332--333
                      Anonymous   Saving Snow, Wood Briquettes, and more   333--345
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 346--353
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 354--356
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 357--358
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 360--363
                  Orson D. Munn   Legal High-Lights  . . . . . . . . . . . 364--365
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 366--366
                      Anonymous   Index to Volume 163, July--December,
                                  1940 . . . . . . . . . . . . . . . . . . 367--370
        
                      Anonymous   Editorials: Our Point of View  . . . . . 3--3
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 4--4
             James B. Macelwane   Personalities in Science . . . . . . . . 5--5
                      Anonymous   Frontispiece: The Outer Mummy Case of
                                  Egypt's King Psusennes . . . . . . . . . 6--6
            Barclay Moon Newman   Medical Science: Animal Methuselahs  . . 7--10
                      Anonymous   Too Strong, Schizophrenia  . . . . . . . 10--10
                      Anonymous   Browsing with the Editor . . . . . . . . 11--11
               James L. H. Peck   National Defense: Heroes in Glass Houses 12--14
                      Anonymous   Speed-Up, Expansion, and more  . . . . . 14--15
               Sidney J. French   Science in Industry: The Inside Story of
                                  Rayon  . . . . . . . . . . . . . . . . . 16--18
                      Anonymous   Better Glass, Frequency Meter, and more  18--20
                      Anonymous   Industrial Trends  . . . . . . . . . . . 21--21
           Henry Norris Russell   Astronomy: The Brightest Known Star  . . 22--23
                 R. G. Skerrett   Engineering: Water for our Greatest City 24--26
                      Anonymous   ``Pancake'' Locomotive, Ground Wires . . 26--26
              Albert G. Ingalls   Archeology: Psusennes' Tomb  . . . . . . 27--27
                     A. P. Peck   Miscellany: What Makes `Fantasia' Click  28--30
                  W. Mack Angas   Fireless Steam Locomotives . . . . . . . 30--32
               Francis M. Falge   Photo-Finishes . . . . . . . . . . . . . 32--33
                      Anonymous   Humidifiers, Stack ``Surgery'', and more 33--45
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 46--51
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 52--54
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 55--57
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 58--61
                  Orson D. Munn   Legal High-Lights  . . . . . . . . . . . 62--63
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 64--64
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 66--67
                      Anonymous   Editorials: Our Point of View  . . . . . 68--68
                  C. V. Whitney   Personalities in Industry  . . . . . . . 69--69
                      Anonymous   Frontispiece: 20 years of Broadcasting   70--70
                Andrew R. Boone   Health Science: Better Health from the
                                  Sea  . . . . . . . . . . . . . . . . . . 74--76
                      Anonymous   Verification, Eyesight, and more . . . . 76--76
                      Anonymous   Browsing with the Editor . . . . . . . . 77--77
               Walter L. Finlay   Scientific Research: Fighting Friction   78--81
                      Anonymous   Photometer, March of Technology  . . . . 81--81
           Henry Norris Russell   Astronomy: Sun-Spot Distribution . . . . 82--83
               Alexander Klemin   Aviation: Robot Photographic Observer    84--84
                      Anonymous   Inexpensive  . . . . . . . . . . . . . . 84--85
                      Anonymous   Cockpit Release, Test Tower  . . . . . . 85--85
         W. Creighton Peet, Jr.   National Defense: We Build More Ships    86--88
                      Anonymous   Floating Power Plant, Test Bomb  . . . . 88--88
               J. F. Neumueller   Science in Industry: Eye Science Moves
                                  Forward  . . . . . . . . . . . . . . . . 89--91
                      Anonymous   Extruded Metals, Bearing Checker, and
                                  more . . . . . . . . . . . . . . . . . . 91--94
                      Anonymous   Industrial Trends  . . . . . . . . . . . 95--95
                     A. P. Peck   Miscellany: What is `FM'?  . . . . . . . 96--98
                      Anonymous   Half Soles, Shockless Fuse, and more . . 98--109
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 110--110
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 116--118
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 119--121
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 122--125
                  Orson D. Munn   Legal High-Lights  . . . . . . . . . . . 126--127
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 128--128
               Mortimer H. Cobb   Time to the Second . . . . . . . . . . . 71--73
                      Anonymous   Grand Prize Winners  . . . . . . . . . . 111--115
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 131--131
                      Anonymous   Editorials: Our Point of View  . . . . . 132--132
                  James Hillier   Personalities in Science . . . . . . . . 133--133
                      Anonymous   Frontispiece: Splitting Hairs in
                                  Aircraft Engine Production . . . . . . . 134--134
                     A. P. Peck   Science in Industry: X-Rays Show the Way 138--141
                 H. T. Rutledge   Radio Changes its Tune . . . . . . . . . 141--142
                      Anonymous   Brake Linings, Tube Maker, and more  . . 142--144
                      Anonymous   Industrial Trends  . . . . . . . . . . . 145--145
                Holcombe Parkes   National Defense: The Railroads are
                                  Ready  . . . . . . . . . . . . . . . . . 146--148
                      Anonymous   The ``Jeep'', Two Navies, and more . . . 148--149
                  H. E. Winlock   Archeology: Wah --- Late of Thebes,
                                  Egypt  . . . . . . . . . . . . . . . . . 150--152
                      Anonymous   American Prehistory  . . . . . . . . . . 152--152
                Jean Harrington   Scientific Research: Magnetism Comes of
                                  Age  . . . . . . . . . . . . . . . . . . 153--155
                      Anonymous   Sound, Nature Leads, and more  . . . . . 155--155
           Henry Norris Russell   Astronomy: A New Tool for Science  . . . 156--158
                      Anonymous   Browsing with the Editor . . . . . . . . 159--159
               Alexander Klemin   Aviation: Conveyor System for Planes . . 160--160
                      Anonymous   Research, Plastic Tabs, and more . . . . 160--161
             Charles M. Hackett   Miscellany: Fungi  . . . . . . . . . . . 162--166
                      Anonymous   Cotton Seeds, Alcohol, and more  . . . . 166--173
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 174--181
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 182--184
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 185--187
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 188--191
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 192--192
                Robert M. Zingg   India's Wolf-Children  . . . . . . . . . 135--137
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 194--194
                      Anonymous   Editorials: Our Point of View  . . . . . 196--196
                Margaret Ingels   Personalities in Industry  . . . . . . . 197--197
                      Anonymous   Frontispiece: A Bomber Type Frequently
                                  Seen Over London . . . . . . . . . . . . 198--198
            Barclay Moon Newman   Health Science: Milk Made More
                                  Digestible . . . . . . . . . . . . . . . 199--202
                      Anonymous   Acid Bogey, Poliomyelitis, and more  . . 202--202
                      Anonymous   Browsing with the Editor . . . . . . . . 203--206
                      Anonymous   Science in Industry: Insulation Test,
                                  Shellac Fortifier, and more  . . . . . . 206--208
                      Anonymous   Industrial Trends  . . . . . . . . . . . 209--209
                      Anonymous   Science in Industry: Our Search for the
                                  Supernatural . . . . . . . . . . . . . . 210--211
               James L. H. Peck   National Defense: Warbird Doctors  . . . 212--214
                      Anonymous   Sealed, Brobdingnagian, and more . . . . 214--215
           Henry Norris Russell   Astronomy: Inside the White Dwarf Stars  216--217
                 Randall Wright   Scientific Research: Our Next Source of
                                  Oil  . . . . . . . . . . . . . . . . . . 218--220
                      Anonymous   Lost Ring, ``Fossil Lightning'', and
                                  more . . . . . . . . . . . . . . . . . . 220--220
            Henry M. Lewis, Jr.   Miscellany: Evolution in the Future  . . 221--223
                    Duck Dormin   Electricity Catches Trout  . . . . . . . 223--224
                      Anonymous   Frozen Food Pack, Wattage, and more  . . 224--236
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 240--245
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 246--248
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 249--251
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 252--255
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 256--256
        
                      Anonymous   Editorials: Our Point of View  . . . . . 259--259
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 260--260
              A. D. Rathbone IV   Our Search for the Supernatural --- II   263--265
                     A. P. Peck   Science in Industry: What Light for
                                  Industry?  . . . . . . . . . . . . . . . 266--269
                 H. T. Rutledge   New Porcelain Insulation . . . . . . . . 269--270
                      Anonymous   Inspection, Timer, and more  . . . . . . 270--274
                      Anonymous   Industrial Trends  . . . . . . . . . . . 275--275
           Henry Norris Russell   Astronomy: A Strange Picture . . . . . . 276--277
                      Anonymous   National Defense: Quality in Warplanes   278--280
                      Anonymous   Speed and Sting --- The M.T.B.'s . . . . 281--281
                 C. W. Sheppard   Scientific Research: Atom Smashing: Two
                                  Methods  . . . . . . . . . . . . . . . . 282--285
                      Anonymous   Petroleum Research, Home-Idity, and more 285--285
            Barclay Moon Newman   Health Science: Human Hibernation  . . . 286--287
                      Anonymous   Like Humans  . . . . . . . . . . . . . . 287--287
                      Anonymous   Miscellany: Electrical Gold Mining . . . 288--289
                      Anonymous   Pulling the Wool off Your Eyes . . . . . 289--290
                      Anonymous   Lubricant `Washes' the Engine  . . . . . 290--291
                      Anonymous   Spray Poison, Aniseikonia, and more  . . 291--302
               Alexander Klemin   Aviation: Supercharging the Pilot  . . . 302--303
                      Anonymous   Plane Location, Plane Conversion, and
                                  more . . . . . . . . . . . . . . . . . . 303--305
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 306--309
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 310--312
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 313--315
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 316--319
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 320--320
                      Anonymous   Details of a German Bomb Sight . . . . . 261--262
        
                Edward A. Doisy   Personalities in Science . . . . . . . . 323--323
                      Anonymous   50 Years Ago: 5O Years Ago in
                                  \booktitleScientific American  . . . . . 324--324
                      Anonymous   Frontispiece: Running a String of
                                  Oil-Well Casing  . . . . . . . . . . . . 326--326
              A. D. Rathbone IV   Psychic Research: Our Search for the
                                  Supernatural --- III . . . . . . . . . . 327--329
               Raymond F. Yates   Science in Industry: A Skin Game in
                                  Metallurgy . . . . . . . . . . . . . . . 330--332
                     A. P. Peck   New Brazing Method Cuts Costs  . . . . . 332--334
                      Anonymous   Foil Substitute, Matting, and more . . . 334--338
                      Anonymous   Industrial Trends  . . . . . . . . . . . 339--339
           Neilson C. Debevoise   Archeology: Mud Huts to Skyscrapers  . . 340--342
                      Anonymous   Folsom Man . . . . . . . . . . . . . . . 342--342
                      Anonymous   Editorials: Our Point of View  . . . . . 343--343
           Henry Norris Russell   Astronomy: The Shope of the Earth  . . . 344--345
                 Charles Barton   Health Science: Mad Dog --- Mad Man  . . 346--347
                      Anonymous   Pregnancy Test, Slit-Lamp, and more  . . 347--348
                   P. R. Rieber   National Defense: Trucks for Defense . . 349--351
                      Anonymous   Badges . . . . . . . . . . . . . . . . . 351--351
                 Randall Wright   Scientific Research: Bird Dogs of the
                                  Oil Field  . . . . . . . . . . . . . . . 352--353
                 R. Burton Rose   To Find  . . . . . . . . . . . . . . . . 353--353
                      Anonymous   Polarizer  . . . . . . . . . . . . . . . 353--353
             John Davis Buddhue   Miscellaneous Notes: Tektites, Puzzle of
                                  Science  . . . . . . . . . . . . . . . . 354--356
                      Anonymous   Lamp, Magnifier, and more  . . . . . . . 356--362
               Alexander Klemin   Aviation: ``Winged Warfare'' . . . . . . 363--364
                      Anonymous   Wind Tunnel, Light-Plane Flying, and
                                  more . . . . . . . . . . . . . . . . . . 364--365
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 366--367
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 374--375
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 376--378
             Joseph F. Montague   Our Book Corner  . . . . . . . . . . . . 379--381
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 382--382
                      Anonymous   Index To Volume 164, January--June, 1941 383--384
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 2--2
                 Joseph Slepian   Personalities in Science . . . . . . . . 3--3
                      Anonymous   Frontispiece: Theater Television . . . . 4--4
              A. D. Rathbone IV   Our Search for the Supernatural --- IV   5--7
                   Ed C. Powers   Science in Industry: A Bottle-Neck
                                  Breaker  . . . . . . . . . . . . . . . . 8--11
                      Anonymous   Portable Substation, Protection, and
                                  more . . . . . . . . . . . . . . . . . . 11--12
                      Anonymous   Industrial Trends  . . . . . . . . . . . 13--13
           Henry Norris Russell   Astronomy: Wartime Astronomy . . . . . . 14--15
                Gilbert T. Rude   Scientific Research: Radio Runs a
                                  Transit  . . . . . . . . . . . . . . . . 16--18
                      Anonymous   Oil Wells, Cosmic Rays . . . . . . . . . 18--18
                      Anonymous   Editorials: Our Point of View  . . . . . 19--19
            E. F. McDonald, Jr.   National Defense: Pilots, Pilots, More
                                  Pilots . . . . . . . . . . . . . . . . . 20--23
                      Anonymous   `Green-Bouses' for Bombers . . . . . . . 23--23
             Hamilton M. Wright   Engineering: More Power to the South . . 24--26
                      Anonymous   Sampling, Mine Locomotives . . . . . . . 26--26
                     A. P. Peck   Miscellany: Television Today . . . . . . 27--28
                      Anonymous   Quiet Offices, Stutterers, and more  . . 28--31
                      Anonymous   Science in Industry: Precision Filing,
                                  Thermostat, and more . . . . . . . . . . 32--33
               Alexander Klemin   Aviation: Helicopter Records . . . . . . 34--34
                      Anonymous   Dive Bomber, Self Sealing Tanks  . . . . 35--35
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 36--41
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 42--43
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 44--45
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 46--48
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 50--51
                      Anonymous   Frontispiece: When Lightning Hits a
                                  Motor Car  . . . . . . . . . . . . . . . 52--52
              A. D. Rathbone IV   National Defense: Keep Our Transport
                                  Planes . . . . . . . . . . . . . . . . . 53--56
                  J. J. Kershaw   Will Bacteria be Used in War?  . . . . . 56--58
                      Anonymous   Meium Tank, Bombproof, and more  . . . . 58--58
                     A. P. Peck   Science in Industry: When Bores Must be
                                  Hardened . . . . . . . . . . . . . . . . 59--61
              Albert G. Ingalls   New Tin from Old Cans  . . . . . . . . . 61--62
                      Anonymous   Better Tobacco, Canada Far Ahead, and
                                  more . . . . . . . . . . . . . . . . . . 62--64
                      Anonymous   Industrial Trends  . . . . . . . . . . . 65--65
                A. H. Alexander   Health Science: The Healing Poison . . . 66--68
                      Anonymous   Salt Loss, New Drug, and more  . . . . . 68--69
           Henry Norris Russell   Astronomy: A Puzzle Solved?  . . . . . . 70--71
              Herbert H. Foster   Engineering: `Sky-Books' in Bridge
                                  Building . . . . . . . . . . . . . . . . 72--74
                      Anonymous   Ancient Engineers, Tunnel Trucks, and
                                  more . . . . . . . . . . . . . . . . . . 74--74
                      Anonymous   Editorials: Our Point of View  . . . . . 75--75
                      Anonymous   Psychic Research: Our Search for the
                                  Supernatural --- V . . . . . . . . . . . 76--77
                  Louise Boyden   Scientific Research: Bats on the Beam    78--79
                      Anonymous   Your Breath, Electronic Camera, and more 79--80
               Edgar D. Tillyer   Miscellany: If you Value your Eyes . . . 81--83
                      Anonymous   Teledeltos, Cool, and more . . . . . . . 83--88
                      Anonymous   Science in Industry: All-Glass Tape,
                                  File, and more . . . . . . . . . . . . . 88--92
               Alexander Klemin   Aviation: Air Fighters . . . . . . . . . 93--93
                      Anonymous   Flaps, Flying Boat, and more . . . . . . 93--95
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 96--103
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 104--105
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 106--108
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 109--111
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 112--112
        
                      Anonymous   Editorials: Our Point of View  . . . . . 115--115
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 116--116
               Arthur W. Hixson   Personalities in Science . . . . . . . . 117--117
                      Anonymous   Frontispiece: Portable Atom Sorter to
                                  Aid Science and Industry . . . . . . . . 118--118
               James L. H. Peck   National Defense: How Good Are America's
                                  Warplanes? . . . . . . . . . . . . . . . 119--123
                      Anonymous   Hall Tractor, Hall Truck . . . . . . . . 123--123
                     A. P. Peck   Science in Industry: Infra-Red Does the
                                  Trick  . . . . . . . . . . . . . . . . . 124--127
                 Nathan Schnoll   For Checking Water Purity  . . . . . . . 127--128
                      Anonymous   Vanishing Oil, Salvage, and more . . . . 128--130
                      Anonymous   Industrial Trends  . . . . . . . . . . . 131--131
           Henry Norris Russell   Astronomy: The Sun's Faint Edge  . . . . 132--133
                      Anonymous   Archeology: Telltale Tracks  . . . . . . 134--134
            Barcaly Moon Newman   Health Science: The Silver Clamp . . . . 135--136
                      Anonymous   Forestallment, Sight, and more . . . . . 136--137
              A. D. Rathbone IV   Psychic Research: Our Search for the
                                  Supernatural ---- VI . . . . . . . . . . 138--139
                      Anonymous   Engineering: Across Panama by Rood . . . 140--141
                      Anonymous   Safe at Work . . . . . . . . . . . . . . 141--141
               Walter L. Finlay   Scientific Research: Plain Water's
                                  Unplainness  . . . . . . . . . . . . . . 142--144
                      Anonymous   Atom Sorter  . . . . . . . . . . . . . . 144--144
             Charles M. Hackett   Miscellany: A False Paradise for Pests   145--148
                      Anonymous   Flying Suits, Man Slumped, and more  . . 148--150
                      Anonymous   Science in Industry: Inserted Blades,
                                  Efficiency, and more . . . . . . . . . . 152--157
               Alexander Klemin   Aviation: Washington Notional Airport    158--160
                      Anonymous   Flight Training, Baltimore Bomber, and
                                  more . . . . . . . . . . . . . . . . . . 160--161
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 162--168
              A. D. Rathbone IV   Your Firearms and Fishing Tackle: Your
                                  Firearms And Fishing Tackle  . . . . . . 168--169
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 170--172
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 173--176
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 176--176
        
                      Anonymous   Editorials: Our Point of View  . . . . . 179--179
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 180--180
                      Anonymous   Frontispiece: Mechanized Power on the
                                  March  . . . . . . . . . . . . . . . . . 182--182
              A. D. Rathbone IV   National Defense: Bounce! --- Bump! ---
                                  Clank! . . . . . . . . . . . . . . . . . 183--187
                      Anonymous   Tank Headache  . . . . . . . . . . . . . 187--187
               P. F. Korycinski   Science in Industry: On they Roll  . . . 188--191
                    C. E. Smith   Stored Energy for Welding  . . . . . . . 191--192
                      Anonymous   Back to Bessemer, Communication, and
                                  more . . . . . . . . . . . . . . . . . . 192--194
                      Anonymous   Industrial Trends  . . . . . . . . . . . 195--195
            Barclay Moon Newman   Health Science: Cataract . . . . . . . . 196--197
                      Anonymous   Prostate, Ridiculous, and more . . . . . 197--198
                 Randall Wright   Scientific Research: Whence Came Oil?    199--200
                      Anonymous   Petrosnooping, Becoming Commonplace, and
                                  more . . . . . . . . . . . . . . . . . . 200--201
           Henry Norris Russell   Astronomy: Star Stuff  . . . . . . . . . 202--203
                      Anonymous   Engineering: Curbing the Connecticut . . 204--206
             Harland Manchester   Miscellany: Insulate to Aid Defense  . . 208--210
                      Anonymous   Less Eyestrain, Touch-Up, and more . . . 210--217
                      Anonymous   Science in Industry: Clamp, Paint, and
                                  more . . . . . . . . . . . . . . . . . . 218--222
               Alexander Klemin   Aviation: Ocean Air Transport  . . . . . 223--224
                      Anonymous   Soaring, Trainer, and more . . . . . . . 224--225
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 226--231
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 232--233
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 234--236
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 237--239
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 240--240
        
                      Anonymous   Editorials: Our Point of View  . . . . . 243--243
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 244--244
               Fowler McCormick   Personalities in Industry  . . . . . . . 245--245
                      Anonymous   Frontispiece: Treating Glass to
                                  Eliminate Glare  . . . . . . . . . . . . 246--246
                   Edwin Muller   National Defense: Bombers to Britain . . 247--249
                      Anonymous   Bullet-Sealing, Blackouts?, and more . . 249--250
                     A. P. Peck   Science in Industry: Oil is Where you
                                  Ship It  . . . . . . . . . . . . . . . . 251--253
                      Anonymous   Oil, Clean-Up, and more  . . . . . . . . 253--256
                      Anonymous   Industrial Trends  . . . . . . . . . . . 257--257
                Andrew R. Boone   Health Science: Escape from Surgery  . . 258--260
                      Anonymous   Master Diet, Thiamin, and more . . . . . 260--260
                 J. Alden Mason   Archeology: Gold from the Grave  . . . . 261--263
           Henry Norris Russell   Astronomy: High Pressures Within . . . . 264--265
                 F. W. Penhorst   Engineering: A Bridge Because of a Dam   266--267
                 Raymond F. Guy   Miscellany: International Beams  . . . . 268--270
                      Anonymous   Hormones for Plant Growth  . . . . . . . 270--271
                      Anonymous   ``Darcy'', Saw, and more . . . . . . . . 271--281
                      Anonymous   Science in Industry: Sander, Vibration,
                                  and more . . . . . . . . . . . . . . . . 282--286
               Alexander Klemin   Aviation: Keeping Pace . . . . . . . . . 287--288
                      Anonymous   Mirador, Block Signals, and more . . . . 288--289
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 290--295
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 296--297
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 298--300
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 301--303
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 304--304
        
                      Anonymous   Editorials: Our Point of View  . . . . . 307--307
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 308--308
                      Anonymous   Frontispiece: ``Tea Kettles'' that
                                  Salvage Valuable Metals  . . . . . . . . 310--310
                    Don Wharton   National Defense: Builders for the Army  311--314
                      Anonymous   British Ingenuity, Anti-Aircraft . . . . 314--314
               Jane V. Sheppard   Scientific Research: Physics Scores an
                                  Assist . . . . . . . . . . . . . . . . . 315--317
                      Anonymous   Thin Films . . . . . . . . . . . . . . . 317--317
                     A. P. Peck   Science in Industry: ``Make-up'' for
                                  Better Seeing  . . . . . . . . . . . . . 318--321
                      Anonymous   Sorter, Scrap Shortage, and more . . . . 321--322
                      Anonymous   Industrial Trends  . . . . . . . . . . . 323--323
              A. D. Rathbone IV   Psychic Research: Who Threw Them?  . . . 324--325
           Henry Norris Russell   Astronomy: 93,000,000 Miles  . . . . . . 326--327
                 H. T. Rutledge   Engineering: Insulating ``Blackout''
                                  Plants . . . . . . . . . . . . . . . . . 328--329
                   L. J. Pankow   Health Science: Just What is Insanity?   330--332
                      Anonymous   Vitallium, Burns . . . . . . . . . . . . 332--332
             C. Stuart Johnston   Miscellany: How to Make a Mastodon . . . 333--334
                      Anonymous   ``Crazy Drivers'', Timber, and more  . . 334--343
                      Anonymous   Science in Industry: Cool Welding,
                                  Markers, and more  . . . . . . . . . . . 344--347
               Alexander Klemin   Aviation: Autogiros Against Submarines   348--348
                      Anonymous   Balloons, Air Safety, and more . . . . . 348--351
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 352--357
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 358--359
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 360--362
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 363--365
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 366--366
                      Anonymous   Index to Volume 165, July--December,
                                  1941 . . . . . . . . . . . . . . . . . . 367--368
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 2--2
              A. D. Rathbone IV   National Defense: ``The Marines Have
                                  Landed'' . . . . . . . . . . . . . . . . 4--6
                  Jo Chamberlin   Meet the Jeep  . . . . . . . . . . . . . 6--8
                      Anonymous   Decoy Blackouts  . . . . . . . . . . . . 8--8
                   L. J. Pankow   Health Science: Insanity . . . . . . . . 9--11
                      Anonymous   Impaired Sight, Asylums, and more  . . . 11--11
                    H. W. Field   Science in Industry: Malodorous
                                  Mercaptans . . . . . . . . . . . . . . . 12--14
                      Anonymous   Plastics Priorities, Replacements and
                                  more . . . . . . . . . . . . . . . . . . 14--15
                      Anonymous   Industrial Trends  . . . . . . . . . . . 16--16
                      Anonymous   Editorials: Our Point of View  . . . . . 17--17
           Henry Norris Russell   Astronomy: Molecular Spectra . . . . . . 18--19
                      Anonymous   Psychic Research: How They, Do It  . . . 20--21
              Albert H. Ebeling   Scientific Research: Dr. Carrel's
                                  Immortal Chicken Heart . . . . . . . . . 22--24
                      Anonymous   In Big Demand, Crystals  . . . . . . . . 24--24
                 H. T. Rutledge   Miscellany: Wheat Peeled for Better
                                  Bread  . . . . . . . . . . . . . . . . . 25--26
                Joseph C. Coyle   Desert Alphabet  . . . . . . . . . . . . 26--27
                      Anonymous   Troposphere, Anti-Freeze, and more . . . 27--31
                      Anonymous   Science in Industry: Soldering,
                                  Insulation, and more . . . . . . . . . . 32--34
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 35--35
               Alexander Klemin   Aviation: Molded Plywood Planes  . . . . 36--37
                      Anonymous   Airplane Armor, Midget Engine, and more  37--37
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 38--41
              A. D. Rathbone IV   Your Firearms and Fishing Tackle . . . . 42--43
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 44--45
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 46--48
        
                      Anonymous   Editorials: Our Point of View  . . . . . 51--51
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 52--52
                      Anonymous   Frontispiece: A Laboratory
                                  ``Thundercloud'' to Aid Aviators . . . . 54--54
             Walton L. Robinson   National Defense: `Maid-Of-All-Work' . . 55--58
                      Anonymous   Inch by Inch, Tooth by Gear  . . . . . . 58--59
                      Anonymous   Smokeless Powder . . . . . . . . . . . . 59--59
                 B. L. McKenzie   Science in Industry: Shutters and
                                  Cutters  . . . . . . . . . . . . . . . . 60--62
                      Anonymous   Glass Blocks Bend Light  . . . . . . . . 62--63
                      Anonymous   Science in Industry: Safe at Work,
                                  Light, and more  . . . . . . . . . . . . 63--66
                      Anonymous   Industrial Trends  . . . . . . . . . . . 67--67
           Henry Norris Russell   Astronomy: Stellar Advertising Signs . . 68--69
         Aline Abaecherli Boyce   Archeology: Ancient Ostia  . . . . . . . 70--72
                      Anonymous   Fossil . . . . . . . . . . . . . . . . . 72--72
                Donald A. Laird   Health Science: No Mystery in Pep  . . . 73--75
                      Anonymous   Yardstick, Noise . . . . . . . . . . . . 75--75
                      Anonymous   Miscellany: For Better Paint . . . . . . 76--78
                      Anonymous   Cloud Charge, Canal Lighting, and more   78--82
              A. D. Rathbone IV   Psychic Research: Our Search for the
                                  Sapernatural . . . . . . . . . . . . . . 84--86
                      Anonymous   Miscellany: Mobile Power, Coach-Sleeper,
                                  and more . . . . . . . . . . . . . . . . 88--91
                      Anonymous   Science in Industry: Glue Spreader, Hand
                                  Guards, and more . . . . . . . . . . . . 92--96
               Alexander Klemin   Aviation: Military Rockets . . . . . . . 97--98
                      Anonymous   Flying Boat, Skyfarer, and more  . . . . 98--100
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 101--103
                      Anonymous   Winning Pictures in \booktitleScientific
                                  American's 6th Annual Photography
                                  Contest  . . . . . . . . . . . . . . . . 104--105
              Albert G. Ingalls   Telescoptics: A Monthly Department For
                                  The Amateur Telescope Maker  . . . . . . 106--108
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 109--111
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 112--112
        
                      Anonymous   Editorials: Our Point of View  . . . . . 114--114
           Alfred P. Sloan, Jr.   Personalities in Industry  . . . . . . . 115--115
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 116--116
               T. Swann Harding   Health Science: Food for Britain Helps
                                  Us . . . . . . . . . . . . . . . . . . . 117--120
                      Anonymous   Transfusions, Sensitive, and more  . . . 120--120
               James L. H. Peck   National Defense: Our Navy's Air Arm . . 121--123
                      Anonymous   Water 'Chuting, Fluorescent, and more    123--124
                Thomas D. Perry   Science in Industry: Rolling Off a Log   125--128
                     A. P. Peck   Duplicating Without Dies . . . . . . . . 128--129
                      Anonymous   Telephone Savings  . . . . . . . . . . . 129--130
                      Anonymous   Steel, Aluminum Clay, and more . . . . . 130--130
                      Anonymous   Industrial Trends  . . . . . . . . . . . 131--133
           Henry Norris Russell   Astronomy: Orbit Sleuthing . . . . . . . 134--135
                 R. G. Skerrett   Engineering: Fidgety Atoms Purify Water  136--137
                      Anonymous   Miscellany: Excavating for Meteorites    138--139
                      Anonymous   Weed Killer, Battling Bats, and more . . 139--145
               Alexander Klemin   Aviation: Night Vision . . . . . . . . . 146--146
                      Anonymous   Shop Lighting, ``Happy'' Speaks, and
                                  more . . . . . . . . . . . . . . . . . . 146--148
                      Anonymous   Science in Industry: ``Distilled''
                                  Water, Jack, and more  . . . . . . . . . 149--151
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 152--153
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 154--156
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 157--157
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 158--160
        
                      Anonymous   Editorials: Our Point of View  . . . . . 163--163
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 164--164
                      Anonymous   Frontispiece: ``Guns'' of Industry Point
                                  Skyward  . . . . . . . . . . . . . . . . 166--166
               Sidney J. French   Scientific Research: Gasoline Miracles   167--170
                      Anonymous   Pyrheliometer, Element 61, and more  . . 170--170
                     A. P. Peck   Science in Industry: Testing With
                                  `Lightning Bolts'  . . . . . . . . . . . 171--173
               Julian J. Wilson   Recap to Keep Em Rolling . . . . . . . . 173--175
                      Anonymous   Reclaimed, Wire Salvage, and more  . . . 175--176
                      Anonymous   Industrial Trends  . . . . . . . . . . . 177--177
                Andrew R. Boone   Engineering: `Water, Water, Everywhere'  178--179
           Henry Norris Russell   Astronomy: New Pleiades  . . . . . . . . 180--181
            Barclay Moon Newman   Health Science: Shockless Surgery  . . . 182--184
                      Anonymous   Again Guilty?, Pronunciation, and more   184--184
                 Donald Wilhelm   National Defense: Torpedo! . . . . . . . 185--187
                      Anonymous   Success, All-Metal Yacht, and more . . . 187--187
              Arthur H. Carhart   Miscellany: Glass Guns for Victory . . . 188--189
                      Anonymous   Bread Protection, Microscope, and more   189--202
                      Anonymous   Science in Industry: Demagnetizer,
                                  Induction Hardening, and more  . . . . . 203--204
               Alexander Klemin   Aviation: The Thunderbolt  . . . . . . . 205--205
                      Anonymous   Plywood, Civil Air Patrol, and more  . . 205--206
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 207--209
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 210--212
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 213--213
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 214--216
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 218--218
               A. W. Herrington   Personalities in Industry  . . . . . . . 219--219
                      Anonymous   Frontispiece: Battleship Types of Three
                                  World Powers . . . . . . . . . . . . . . 220--220
             Walton L. Robinson   National Defense: Dreadnoughts of the
                                  U.S. Navy  . . . . . . . . . . . . . . . 221--223
                   E. U. Condon   Scientific Research: We Need More
                                  Physicists . . . . . . . . . . . . . . . 224--226
                      Anonymous   Delayed Jump, Eyes . . . . . . . . . . . 226--226
           Everett White Melson   Health Science: Have you Heterophoria?   227--228
                      Anonymous   Sulfanilamide, Antibodies, and more  . . 228--229
           Henry Norris Russell   Astronomy: Astrono-Mexico  . . . . . . . 230--231
               Henry W. Roberts   Science in Industry: Why are we Short of
                                  Aluminum?  . . . . . . . . . . . . . . . 232--234
                      Anonymous   Insulation, Plywood, and more  . . . . . 234--235
                      Anonymous   Industrial Trends  . . . . . . . . . . . 236--236
                     A. P. Peck   Editorials: Our Point of View  . . . . . 237--237
             William R. Ballard   Miscellany: Patents and Free Enterprise  238--239
               F. Wallace Taber   Air-Conditioning Fish  . . . . . . . . . 240--241
                      Anonymous   Ozone, Gasoline, and more  . . . . . . . 241--251
                      Anonymous   Science in Industry: Blind Rivets, Tap
                                  Reconditioner, and more  . . . . . . . . 252--253
               Alexander Klemin   Aviation: Jet Propulsion . . . . . . . . 254--254
                      Anonymous   Templates, Multiple Mower, and more  . . 254--255
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 256--257
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 258--260
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 261--261
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 262--264
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 266--267
                      Anonymous   Frontispiece: X-Ray Photographs in a
                                  Millionth of a Second  . . . . . . . . . 268--268
              Paul W. Eberhardt   National Defense: `Pop-Gas' Aids War
                                  Drive  . . . . . . . . . . . . . . . . . 269--270
                      Anonymous   Plane Detector, Blackout Bulbs . . . . . 271--271
                Andrew R. Boone   Engineering: Cement Aids Oil Production  272--273
           Henry Norris Russell   Astronomy: Rotating Galaxies . . . . . . 274--275
                      Anonymous   Scientific Research: Rubber Facts That
                                  Don't Stretch  . . . . . . . . . . . . . 276--277
           Douglas M. Considine   Science in Industry: From the Ground Up  278--280
                      Anonymous   To Replace Copper, Eyes of Defense, and
                                  more . . . . . . . . . . . . . . . . . . 280--281
                      Anonymous   Industrial Trends  . . . . . . . . . . . 282--282
                      Anonymous   Editorials: Our Point of View  . . . . . 283--283
                 John A. Sibley   Miscellany: Harnessing the Sun . . . . . 284--286
                      Anonymous   Funnels, Refrigerated, and more  . . . . 286--295
                      Anonymous   Health Science: Sugar, Beware of
                                  Cadmium, and more  . . . . . . . . . . . 296--297
                      Anonymous   Science in Industry: Clean?, Sand
                                  Blasting, and more . . . . . . . . . . . 298--299
               Alexander Klemin   Aviation: Post-War Possibilities . . . . 300--300
                      Anonymous   Airport Capacity . . . . . . . . . . . . 300--301
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 302--303
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 304--306
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 307--307
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 308--310
                      Anonymous   Index to Volume 166  . . . . . . . . . . 311--312
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 2--2
                      Anonymous   Editorials: Our Point of View  . . . . . 3--3
           Charles F. Kettering   Science in Industry: Horsepower is War
                                  Power  . . . . . . . . . . . . . . . . . 4--8
                      Anonymous   Tin Plating, Control, and more . . . . . 8--8
                      Anonymous   Industrial Trends  . . . . . . . . . . . 9--9
               Sidney J. French   Scientific Research: Synthetic
                                  Elastomers . . . . . . . . . . . . . . . 10--13
                      Anonymous   Best Wavelength  . . . . . . . . . . . . 13--13
                    C. V. Raman   Personalities in Science . . . . . . . . 13--13
              A. D. Rathbone IV   Engineering: A Pier in Time ---  . . . . 14--15
           Henry Norris Russell   Astronomy: RW Tauri  . . . . . . . . . . 16--17
      Linton Satterthwaite, Jr.   Archeology: A Maya Temple Grows Up . . . 18--19
                Andrew R. Boone   Health Science: Food for Fighters  . . . 20--22
                      Anonymous   Hallucination, Poison Ivy, and more  . . 22--22
              Gilbert D. McCann   Miscellany: When Lightning Strikes . . . 23--25
                      Anonymous   Blackoutology, Wood Farming, and more    25--35
               Alexander Klemin   Aviation: Cargo Planes of the Future . . 36--36
                      Anonymous   Raiders, Icing . . . . . . . . . . . . . 36--37
                      Anonymous   Science in Industry: Toggle Clamp,
                                  Rivet, and more  . . . . . . . . . . . . 38--39
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 40--41
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 42--44
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 45--45
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 46--48
        
                      Anonymous   50 Years Ago: 50 Years Ago in \ldots
                                  \booktitleScientific American  . . . . . 50--50
             Walton L. Robinson   National Defense: Sea Nests for War
                                  Birds  . . . . . . . . . . . . . . . . . 52--54
                  Albert Ramond   Science in Industry: Motion Study Goes
                                  Human  . . . . . . . . . . . . . . . . . 55--57
                      Anonymous   Iron-Glass Seal, Forgery, and more . . . 57--59
                      Anonymous   Industrial Trends  . . . . . . . . . . . 60--60
                      Anonymous   Editorials: Our Point of View  . . . . . 61--61
               George Michelson   Engineering: Housing on the Double Quick 62--63
           Henry Norris Russell   Astronomy: Star of 1054  . . . . . . . . 64--65
                      Anonymous   Psychic Research: Our Search for the
                                  Supernatural --- VII . . . . . . . . . . 66--66
             Hamilton M. Wright   Miscellany: East-Coast Cattle Ranching   70--72
                      Anonymous   Lawns, Fingerprint, and more . . . . . . 72--81
                      Anonymous   Science in Industry: Brazing, Strickers,
                                  and more . . . . . . . . . . . . . . . . 84--85
               Alexander Klemin   Aviation: Tales Told By Ears . . . . . . 86--86
                      Anonymous   Cargo Plane, Research  . . . . . . . . . 86--87
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 88--89
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 90--92
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 93--93
          Albert G. Ingalls and   
                   Conducted by   Telescoptics . . . . . . . . . . . . . . 94--96
              A. D. Rathbone IV   Ships Off the Line . . . . . . . . . . . 67--69
        
                      Anonymous   Our Point of View --- Editorials: Our
                                  point of view  . . . . . . . . . . . . . 99--99
                      Anonymous   50 Years Ago: 50 Years Ago in \ldots . . 100--100
             Walton L. Robinson   National Defense: Naval Indispensables   102--104
                     A. P. Peck   Science in Industry: Domestic Rubber
                                  `Plantations'  . . . . . . . . . . . . . 105--107
                      Anonymous   New Steel, Polishing Brush, and more . . 107--109
                      Anonymous   Industrial Trends  . . . . . . . . . . . 110--110
           Vladimir K. Zworykin   Scientific Research: The Scanning
                                  Electron Microscope  . . . . . . . . . . 111--113
                      Anonymous   Metal Details, Heat, and more  . . . . . 113--113
           Henry Norris Russell   Astronomy: The Nebular Spectrum  . . . . 114--115
                Howard C. Forst   Health Science: Buckets of Blood \ldots  118--120
                      Anonymous   Bleeders, Aniseikonia, and more  . . . . 120--120
              Lucile N. McMahon   Miscellany: Little Pictures --- Big
                                  Savings  . . . . . . . . . . . . . . . . 121--124
                      Anonymous   Glass Stoves, Tractor Lugs, and more . . 124--129
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 130--131
                      Anonymous   Science in Industry: Time Saving,
                                  Plasticizer, and more  . . . . . . . . . 132--133
               Alexander Klemin   Aviation: Aircraft Engines Get New Heads 134--134
                      Anonymous   Air Advice, Air Transport, and more  . . 134--135
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 136--137
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 138--140
          Albert G. Ingalls and   
                   Conducted by   Telescoptics . . . . . . . . . . . . . . 142--144
              George H. Stahler   Pumps For Home Protection  . . . . . . . 116--116
                      Anonymous   Bomb Snatcher, Simple Pump . . . . . . . 116--117
              A. D. Rathbone IV   Air-Raid Shelters  . . . . . . . . . . . 117--117
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 146--146
            Charles B. Jolliffe   Personalities in Industry  . . . . . . . 147--147
             Walton L. Robinson   National Defense: Slender, Speedy,
                                  Scrappy  . . . . . . . . . . . . . . . . 148--150
                     A. P. Peck   Science in Industry: Day After Tomorrow  151--154
                      Anonymous   Cork Substitute, War Plants, and more    154--156
                      Anonymous   Industrial Trends  . . . . . . . . . . . 157--157
           Henry Norris Russell   Astronomy: Cometary Tails  . . . . . . . 158--159
            Barclay Moon Newman   Health Science: Refrigeration for
                                  Insanity . . . . . . . . . . . . . . . . 160--162
                      Anonymous   Better Tests, Electrocution, and more    162--162
                      Anonymous   Editorials: Our Point of View  . . . . . 163--163
                   C. C. Furnas   Scientific Research: Future Sources of
                                  Power  . . . . . . . . . . . . . . . . . 164--166
                      Anonymous   Free Electrons . . . . . . . . . . . . . 166--166
          Austin C. Lescarboura   Miscellany: Fluorescent Lighting
                                  Stretches Out  . . . . . . . . . . . . . 167--169
                      Anonymous   Glass, Lightning Charted, and more . . . 169--179
                      Anonymous   Science in Industry: Destruction Tests,
                                  Throw-Aways, and more  . . . . . . . . . 180--181
               Alexander Klemin   Aviation: The Mighty Mars  . . . . . . . 182--183
                      Anonymous   Plane Range, Jap Engines . . . . . . . . 183--183
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 184--185
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 186--188
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 189--189
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 190--192
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 195--195
             Walton L. Robinson   National Defense: `Down-Under' Ships of
                                  the Navy . . . . . . . . . . . . . . . . 196--198
                      Anonymous   Health Science: What is Being Done About
                                  Cancer?  . . . . . . . . . . . . . . . . 199--201
                      Anonymous   Born that Way, Child Outlook, and more   201--202
                     A. P. Peck   Science in Industry: Day After Tomorrow  203--207
                      Anonymous   Silver Linings, Bounceless Ball, and
                                  more . . . . . . . . . . . . . . . . . . 207--208
                      Anonymous   Industrial Trends  . . . . . . . . . . . 209--209
           Henry Norris Russell   Astronomy: Portentous Eclipse  . . . . . 210--211
                 R. G. Skerrett   Engineering: Tunneling Under
                                  Difficulties . . . . . . . . . . . . . . 212--214
                      Anonymous   Editorials: Our Point of View  . . . . . 215--215
                      Anonymous   Miscellany: Miracle Beans  . . . . . . . 216--218
                      Anonymous   Partial Prefabrication, Pipe Finder, and
                                  more . . . . . . . . . . . . . . . . . . 218--227
                      Anonymous   Science in Industry: Marking Machine,
                                  Safety Solvent, and more . . . . . . . . 228--229
               Alexander Klemin   Aviation: A Troopship of the Sky . . . . 230--231
                      Anonymous   The Sea Ranger . . . . . . . . . . . . . 231--232
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 232--234
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 234--236
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 237--237
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 238--240
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 242--242
                      Anonymous   Editorials: Our Point of View  . . . . . 244--244
           Edgar Staley Gorrell   Personalities in Industry  . . . . . . . 245--245
             Walton L. Robinson   National Defense: Navy Sky-Fighters  . . 246--249
                   Eugene Ayres   Science in Industry: A Chemist Looks at
                                  Research . . . . . . . . . . . . . . . . 250--252
                      Anonymous   New Glass for Precision Optics . . . . . 252--253
                      Anonymous   Workers, Research Continues, and more    253--256
                      Anonymous   Industrial Trends  . . . . . . . . . . . 257--257
           Henry Norris Russell   Astronomy: Star Populations  . . . . . . 258--259
               Loren C. Eiseley   Archeology: The Folsom Mystery . . . . . 260--261
              David O. Woodbury   Engineering: Broken Ships Made New . . . 262--266
                Alston Callahan   Health Science: Contact Lenses . . . . . 267--269
                      Anonymous   Particle Remover, Saccharin, and more    269--269
              G. H. Collingwood   Miscellany: Science in the Forest  . . . 270--273
                      Anonymous   How's the Weather? . . . . . . . . . . . 273--274
                      Anonymous   Floating Glass, Sunfall, and more  . . . 274--284
                      Anonymous   Science in Industry: Electronic Control,
                                  Reduction Drive, and more  . . . . . . . 285--288
               Alexander Klemin   Aviation: How Germany Does It  . . . . . 289--290
                      Anonymous   Fear and Hate, The Thunderbolt, and more 290--291
                  Jacob Deschin   Camera Angles  . . . . . . . . . . . . . 292--293
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 294--297
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 298--301
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 302--302
                      Anonymous   Index To Volume 167, July--December,
                                  1942 . . . . . . . . . . . . . . . . . . 303--304
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 3--3
              A. D. Rathbone IV   National Defense: Down to the Sea for
                                  Subs . . . . . . . . . . . . . . . . . . 4--6
                     A. P. Peck   Science in Industry: Spreading the Tin
                                  Thin . . . . . . . . . . . . . . . . . . 7--9
                      Anonymous   Vinyl Acetal, Hardening, and more  . . . 9--12
                      Anonymous   Industrial Trends  . . . . . . . . . . . 13--13
             Lois Mattox Miller   Health Science: Biodynes . . . . . . . . 14--16
                      Anonymous   Vitagrass, No More Mess  . . . . . . . . 16--16
                      Anonymous   Our Point of View --- Editorials: Our
                                  point of View  . . . . . . . . . . . . . 17--17
           Henry Norris Russell   Astronomy: Star of A.D. 1054 . . . . . . 18--19
                  J. V. Shepard   Scientific Research: Soil Saboteur . . . 20--21
                      Anonymous   Agar . . . . . . . . . . . . . . . . . . 21--21
                   R. A. Miller   Miscellany: Glass, Present and Future    22--24
                      Anonymous   Glass Walls, Grain Pests, and more . . . 24--36
                      Anonymous   Science in Industry: Surface Flaws,
                                  Protection, and more . . . . . . . . . . 37--39
               Alexander Klemin   Aviation: The Thunderbolt in Action  . . 40--40
                      Anonymous   Materials, Sound-Proofing, and more  . . 40--41
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 42--42
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 43--45
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 46--48
        
                      Anonymous   Our Point of View --- Editorials: Our
                                  Point View . . . . . . . . . . . . . . . 51--51
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 52--53
              A. D. Rathbone IV   National Defense: `We Defend what we
                                  Build' . . . . . . . . . . . . . . . . . 54--57
                     A. P. Peck   Science in Industry: Salvaging Light . . 58--60
                      Anonymous   Regimenting Atoms, Steel Making, and
                                  more . . . . . . . . . . . . . . . . . . 60--62
                      Anonymous   Industrial Trends  . . . . . . . . . . . 63--63
           Henry Norris Russell   Astronomy: Two New Discoveries . . . . . 64--65
                  E. B. Collins   Celestial Navigation . . . . . . . . . . 66--67
                      Anonymous   Health Science: Something that's Getting
                                  Better . . . . . . . . . . . . . . . . . 68--69
                      Anonymous   Prognostication, Stuttering, and more    69--69
                George R. Ewald   Miscellany: `Commercial Sound' Enlists   70--72
                      Anonymous   Heads, Salt, and more  . . . . . . . . . 72--85
                      Anonymous   Science in Industry: Rapid Plating,
                                  Timber Trusses, and more . . . . . . . . 86--87
               Alexander Klemin   Aviation: Freight Planes . . . . . . . . 88--88
                      Anonymous   Zero Truth, Wartime Propellers, and more 89--89
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 90--92
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 93--93
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 94--98
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 98--98
           Mary Elizabeth Warga   Personalities in Science . . . . . . . . 99--99
                      Anonymous   National Defense: How Naval Battles are
                                  Fought . . . . . . . . . . . . . . . . . 100--103
                Margaret Ingels   Science in Industry: Industrial Air
                                  Control  . . . . . . . . . . . . . . . . 104--106
                      Anonymous   Paper, Ship Cleaner, and more  . . . . . 106--108
                      Anonymous   Industrial Trends  . . . . . . . . . . . 109--109
                 Edwin W. James   Engineering: Highways to Strategic
                                  Materials  . . . . . . . . . . . . . . . 110--112
                      Anonymous   Editorials: Our Point of View  . . . . . 113--113
                Arthur L. Meyer   Scientific Research: Water and You . . . 114--115
                      Anonymous   Ultra-Sonic, Piston Study  . . . . . . . 115--115
           Henry Norris Russell   Astronomy: A Dream Almost Attained . . . 116--117
               Loren C. Eiseley   Archeology: Pseudo-Fossil Man  . . . . . 118--119
             Harland Manchester   Miscellany: Simon Lake, Submarine Genius 120--123
                      Anonymous   Tent, Telephone Alarm, and more  . . . . 123--131
                      Anonymous   Science in Industry: Signal Liquid,
                                  Power Plants, and more . . . . . . . . . 132--134
               Alexander Klemin   Aviation: Most Powerful Dive-Bomber  . . 135--135
                      Anonymous   Experts Abroad, Lumber, and more . . . . 135--136
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 138--140
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 141--141
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 142--144
        
                      Anonymous   Editorials: Our Point of View  . . . . . 147--147
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 148--149
              A. D. Rathbone IV   War: ``Smoke Eaters'' of the Navy  . . . 150--153
                      Anonymous   War Vehicles . . . . . . . . . . . . . . 153--153
                  J. A. Summers   Industry: Anti-Sabotage Lighting . . . . 154--157
                      Anonymous   Quenching Oil, Bonded, and more  . . . . 157--159
                      Anonymous   Industrial Trends  . . . . . . . . . . . 160--160
                Temple C. Smith   Engineering: Buried Telephone Talk . . . 161--163
           Henry Norris Russell   Astronomy: In Flight, Troubles Begin . . 164--165
                   A. G. McNish   Research: Fossil Magnetism . . . . . . . 166--167
             Hamilton M. Wright   Miscellany: Using all but the Smell  . . 168--170
                    A. L. Muray   Save Your Tires  . . . . . . . . . . . . 170--171
                      Anonymous   Tuning Forks Govern Time . . . . . . . . 172--172
                      Anonymous   Vacuum Seal, U.S. Rubber, and more . . . 172--181
               Alexander Klemin   Aviation: No Oxygen Needed . . . . . . . 182--183
                      Anonymous   Counter Rotating . . . . . . . . . . . . 183--183
                      Anonymous   Industry: Copper Babbitt, Air Clamp, and
                                  more . . . . . . . . . . . . . . . . . . 184--185
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 186--188
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 189--189
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 190--192
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 194--194
                 Albert W. Hull   Personalities in Science . . . . . . . . 195--195
                   Jas. K. Hunt   Industry: Long is the List . . . . . . . 196--198
                      Anonymous   Electrical Progress, Cold Conquest, and
                                  more . . . . . . . . . . . . . . . . . . 198--200
                      Anonymous   Industrial Trends  . . . . . . . . . . . 201--201
              Albert G. Ingalls   War: A Hobby Goes to War . . . . . . . . 202--205
                      Anonymous   Editorials: Our Point of View  . . . . . 206--206
                A. R. Wildhagen   Research: The Betatron . . . . . . . . . 207--209
                      Anonymous   Color and Heat, T V Archeology . . . . . 209--209
           Henry Norris Russell   Astronomy: Nature's Cross-Word Puzzles   210--211
               Loren C. Eiseley   Archeology: Who Were Our Ancestors?  . . 212--213
               T. Swann Harding   Health: What About Vitamin Tablets?  . . 214--215
                      Anonymous   Ideal Weights, Menace  . . . . . . . . . 215--215
                    Alvah Small   Miscellany: Testing for Victory  . . . . 216--218
                      Anonymous   Ants, Visual Purple, and more  . . . . . 218--228
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 229--229
                      Anonymous   Industry: Grinders, Sander, and more . . 230--231
               Alexander Klemin   Aviation: When Engineers Meet  . . . . . 232--233
                      Anonymous   Engine Production  . . . . . . . . . . . 233--233
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 234--237
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 238--240
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 242--242
                      Anonymous   Editorials: Our Point of View  . . . . . 244--244
   Major Edwin Howard Armstrong   Personalities in Science . . . . . . . . 245--245
                   Roger Conant   Natural History: Gorilla Round-Up  . . . 246--248
                 Merrill Folsom   War: Where War Surprises Are Born  . . . 249--251
                      Anonymous   Decking Material, ``Sea-Sickness''
                                  Machine  . . . . . . . . . . . . . . . . 251--251
                  S. R. Winters   Industry: Helium Aids in Welding . . . . 252--254
                      Anonymous   Corks, Industrial Analysis, and more . . 254--256
                      Anonymous   Industrial Trends  . . . . . . . . . . . 257--257
                      Anonymous   Engineering: A House in Six Hours  . . . 258--258
                      Anonymous   Safety: Fighting Fires Aloft . . . . . . 259--259
           Henry Norris Russell   Astronomy: Planet Companions . . . . . . 260--261
              A. D. Rathbone IV   Miscellany: New Key to the North . . . . 262--264
                      Anonymous   Myopes, Nylon Screens, and more  . . . . 264--274
               Alexander Klemin   Aviation: Latest Helicopter  . . . . . . 275--275
                      Anonymous   ``Exploded'' Sketch, Cold Tunnel, and
                                  more . . . . . . . . . . . . . . . . . . 275--276
                      Anonymous   Industry: Plant Sweeper, Quick-Drying
                                  Oil, and more  . . . . . . . . . . . . . 277--279
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 280--282
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 283--283
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 284--286
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 2--2
                      Anonymous   Editorials: Our Point of View  . . . . . 4--4
            Edward C. Schneider   Personalities in Science . . . . . . . . 5--5
            R. G. Picinich, Jr.   War: Sky Sentries on Guard . . . . . . . 6--8
                      Anonymous   War Prisoners  . . . . . . . . . . . . . 8--8
                Roy H. Cottrell   Industry: Sugar, A `Chemically-Pure'
                                  Food . . . . . . . . . . . . . . . . . . 9--11
                      Anonymous   Die Production, Odor Problems, and more  11--13
                     A. P. Peck   Industrial Trends  . . . . . . . . . . . 14--14
             Lawrence C. Porter   Research: Ultra-Violet --- Near, Middle,
                                  Far  . . . . . . . . . . . . . . . . . . 15--17
                      Anonymous   Electronics Mystery, Molecular
                                  Attraction . . . . . . . . . . . . . . . 17--17
           Henry Norris Russell   Astronomy: Anthropocentrism's Demise . . 18--19
                Robert H. Feldt   Health: Can Colds Be Prevented?  . . . . 20--21
                      Anonymous   Climacteric, Heart Watching, and more    21--22
           Ulysses S. Grant III   Miscellany: ``Wers'' Calling . . . . . . 23--25
                      Anonymous   Electric ``Brain'', Radio Sewing
                                  Machine, and more  . . . . . . . . . . . 25--36
                      Anonymous   Industry: Three-Liquid Pump, Commutator
                                  Cleaner, and more  . . . . . . . . . . . 37--39
               Alexander Klemin   Aviation: Helicopter Progress  . . . . . 40--40
                      Anonymous   Fuselage Sandblasting, Flight Training,
                                  and more . . . . . . . . . . . . . . . . 40--42
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 43--43
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 44--45
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 46--48
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 50--51
                      Anonymous   Quotes . . . . . . . . . . . . . . . . . 52--52
            Richard L. Sigerson   War: Invasion Communications . . . . . . 53--55
                 Frank J. Byrne   Industry: Industrial Blasting  . . . . . 56--58
                      Anonymous   Vest-Pocket Automobiles, Glue
                                  ``Welding'', and more  . . . . . . . . . 58--60
                     A. P. Peck   Industrial Trends  . . . . . . . . . . . 61--61
           Henry Norris Russell   Astronomy: Galactic Gas Clouds . . . . . 62--63
                  C. E. Randall   Science Enters the Woods . . . . . . . . 64--65
          Francis Sill Wickware   Elmer Sperry and his Magic Top . . . . . 66--67
                L. W. Giellerup   Health: The Culprit is Histamine . . . . 68--69
                      Anonymous   Child Cancer, Whose Fault? . . . . . . . 69--69
                      Anonymous   Our Point of View --- Editorials: OUR
                                  Point of View  . . . . . . . . . . . . . 70--70
                 Leonard Bourne   Miscellany: Oil from Canadian Sands  . . 71--73
                    Harold Keen   Orphan Agar  . . . . . . . . . . . . . . 73--75
                      Anonymous   Finest Wind Tunnel, Electrical
                                  Protection, and more . . . . . . . . . . 75--83
                      Anonymous   Industry: Plastic Adhesive and Cleaner,
                                  Wrinkle Finish, and more . . . . . . . . 85--87
               Alexander Klemin   Aviation: Pre-Flight Training  . . . . . 88--88
                      Anonymous   Integral Supercharger, Post-War, and
                                  more . . . . . . . . . . . . . . . . . . 88--90
                 John P. Candia   Our Book Corner  . . . . . . . . . . . . 91--93
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 94--95
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 96--96
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 99--99
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 100--101
                      Anonymous   Quotes . . . . . . . . . . . . . . . . . 102--102
                   Keith Henney   Electronics: Electronics' Brightest Star 103--105
               Edward J. Cleary   Engineering: Dollars From Sewers . . . . 106--108
                 S. R. Williams   What is Hardness?  . . . . . . . . . . . 109--111
                 Fred P. Peters   Metals in Industry: Hard,
                                  Corrosion-Resistant, Slippery  . . . . . 112--114
                  James M. Crow   Chemistry in Industry: Synthetic Rubber
                                  Today  . . . . . . . . . . . . . . . . . 115--117
               Alexander Klemin   Aviation: Floating Airports in Mid-Ocean 118--120
                    J. H. Sachs   In Other Fields: Dyes Will Be Even
                                  Better . . . . . . . . . . . . . . . . . 121--135
                      Anonymous   New Products . . . . . . . . . . . . . . 136--138
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 139--139
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 140--141
                 John P. Candia   Our Book Corner  . . . . . . . . . . . . 142--144
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 146--147
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 148--148
                      Anonymous   Quotes . . . . . . . . . . . . . . . . . 150--150
                 Fred P. Peters   Metals in Industry: Silver in Peace and
                                  War  . . . . . . . . . . . . . . . . . . 151--153
               Alexander Klemin   Aviation: Tomorrow's Air Transport
                                  Planes . . . . . . . . . . . . . . . . . 154--156
               Edwin Laird Cady   Engineering: Taking Dust Out of Industry 157--159
                 James M. Crowe   Chemistry in Industry: Progress in
                                  Proteins . . . . . . . . . . . . . . . . 160--162
          Albert G. Ingalls and   
                   A. F. Caprio   Fundamental Science: Plastics' Parade    163--165
                   Keith Henney   Electronics: Motors do a Better Job  . . 166--168
                  The Staff and   
               Earl N. Bressman   In Other Fields: Rubber: Natural Or
                                  Synthetic? . . . . . . . . . . . . . . . 169--183
                      Anonymous   New Products . . . . . . . . . . . . . . 184--186
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 187--187
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 188--189
                 John P. Candia   Our Book Corner  . . . . . . . . . . . . 190--192
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 195--195
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 196--196
                      Anonymous   Quotes . . . . . . . . . . . . . . . . . 198--198
               Alexander Klemin   Aviation: Post-War Private Planes  . . . 199--201
                 James M. Crowe   Chemistry in Industry: From the Pine . . 202--204
           Edward J. Cleary and   
                    Hal W. Hunt   Engineering: Seagoing Concrete . . . . . 205--207
                 Fred P. Peters   Metals in Industry: Pressing Metal into
                                  Service  . . . . . . . . . . . . . . . . 208--210
          Albert G. Ingalls and   
             Franklin P. Huddle   Fundamental Science: A New Industrial
                                  Frontier . . . . . . . . . . . . . . . . 211--213
               Keith Henney and   
                    John Markus   Electronics: Super-Sight With Phototubes 214--216
                  The Staff and   
              Steven M. Spencer   In Other Fields: Packaging Delivers the
                                  Goods  . . . . . . . . . . . . . . . . . 217--229
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 230--230
                      Anonymous   New Products . . . . . . . . . . . . . . 232--234
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 236--237
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 238--240
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 243--243
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 244--244
                      Anonymous   Quotes . . . . . . . . . . . . . . . . . 246--246
                D. H. Killeffer   Chemistry in Industry: Penicillin Poses
                                  Production Problems  . . . . . . . . . . 247--249
               Edwin Laird Cady   Engineering: Industrial Temperature
                                  Control  . . . . . . . . . . . . . . . . 250--252
               Alexander Klemin   Aviation: A Lighter Age is Coming  . . . 253--255
               Keith Henney and   
                    John Markus   Electronics: Color Matching in Industry  256--258
                 Fred P. Peters   Metals in Industry: Found: The
                                  `Lost-Wax' Process . . . . . . . . . . . 259--261
          Albert G. Ingalls and   
            Harold Burris-Meyer   Fundamental Science: Music in Industry   262--264
                  The Staff and   
                  Worth Colwell   In Other Fields: Felt Goes to Work . . . 265--267
                    Allan Perry   Photography, An Industrial Tool  . . . . 267--283
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 284--284
                      Anonymous   New Products . . . . . . . . . . . . . . 285--288
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 289--292
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 293--294
                      Anonymous   Index to Volume 169, July--December,
                                  1943 . . . . . . . . . . . . . . . . . . 295--296
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 3--3
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 4--5
                      Anonymous   Quotes . . . . . . . . . . . . . . . . . 6--6
                D. H. Killeffer   Chemistry in Industry: As Metal
                                  Resources Dwindle  . . . . . . . . . . . 7--9
                    Keith Henny   Electronics: Seeing is Believing . . . . 10--12
               Alexander Klemin   Aviation: Air Transportation --- a
                                  Review and Forecast  . . . . . . . . . . 13--15
                 Fred P. Peters   Metals in Industry: Ultra-Low-Melting
                                  Alloys . . . . . . . . . . . . . . . . . 16--16
           Edward J. Cleary and   
                    Hal W. Hunt   Engineering: Winning the Battle with
                                  Snow . . . . . . . . . . . . . . . . . . 19--21
          Albert G. Ingalls and   
                 C. J. Phillips   Fundamental Science: What Glass is and
                                  isn't  . . . . . . . . . . . . . . . . . 22--23
                      C. Powers   In Other Fields: Compressed Air in
                                  Industry . . . . . . . . . . . . . . . . 24--39
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 40--41
                      Anonymous   New Products . . . . . . . . . . . . . . 41--44
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 44--45
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 46--48
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 51--51
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 52--53
                      Anonymous   Quotes . . . . . . . . . . . . . . . . . 54--54
                   Keith Henney   Electronics: Supercontrol by Electronics 55--57
                D. H. Killeffer   Chemistry in Industry: What About
                                  Synthetic Tires? . . . . . . . . . . . . 58--60
               Edwin Laird Cady   Engineering: Materials Must Move . . . . 61--64
               Alexander Klemin   Aviation: Aviation's Hot-House . . . . . 64--66
                 Fred P. Peters   Metals in Industry: Refrigerated Metals  67--69
          Albert G. Ingalls and   
                       A. Nadai   Fundamental Science: Plastic Flow and
                                  Creep  . . . . . . . . . . . . . . . . . 70--72
                  The Staff and   
Representative Jennings Randolph   In Other Fields: Gasoline from Coal  . . 73--86
                      Anonymous   New Products . . . . . . . . . . . . . . 87--90
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 91--91
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 92--93
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 94--96
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 99--99
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 100--101
                      Anonymous   Quotes . . . . . . . . . . . . . . . . . 102--102
                D. H. Killeffer   Chemistry in Industry: Plastics Tomorrow 103--105
               Keith Henney and   
                    John Markus   Electronics: Electronic Processing . . . 106--108
               Alexander Klemin   Aviation: Engines of the Air . . . . . . 109--111
               Edward J. Cleary   Engineering: Chicago's New Subway  . . . 112--114
                 Fred P. Peters   Metals in Industry: Casting's Progress   115--117
          Albert G. Ingalls and   
                Harry B. Shaper   Fundamental Science: Measuring Roughness 118--119
                     A. P. Peck   In Other Fields: Keeping Business in
                                  Business . . . . . . . . . . . . . . . . 120--135
                      Anonymous   New Products . . . . . . . . . . . . . . 136--138
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 139--139
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 140--141
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 142--144
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 147--147
                      Anonymous   50 and 100 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 148--149
                      Anonymous   Quotes . . . . . . . . . . . . . . . . . 150--150
                D. H. Killeffer   Chemistry in Industry: Here's How! . . . 151--153
             Fred P. Peters and   
                   Kenneth Rose   Metals in Industry: Versatile Indium . . 154--156
               Keith Henney and   
                     Vin Zeluff   Electronics: Welding in Production . . . 157--159
               Edwin Laird Cady   Engineering: Precision for Every Plant   160--162
              Albert G. Ingalls   Fundamental Science: X Marks the Spot    163--165
               Alexander Klemin   Aviation: Jet-Propulsion Flight  . . . . 166--168
                  The Staff and   
          Francis Sill Wickware   In Other Fields: `Our Business is
                                  Improving' . . . . . . . . . . . . . . . 169--182
                      Anonymous   New Products . . . . . . . . . . . . . . 183--186
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 187--187
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 188--189
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 190--192
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 194--195
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 196--197
                      Anonymous   Quotes . . . . . . . . . . . . . . . . . 198--198
                 Fred P. Peters   Metals in Industry: Mass Production
                                  Metal-Forms  . . . . . . . . . . . . . . 199--201
           Edward J. Cleary and   
                   A. N. Carter   Engineering: Wood in War Construction    202--204
                D. H. Killeffer   Chemistry in Industry: Progress by
                                  Substitution . . . . . . . . . . . . . . 205--207
                   Keith Henney   Electronics: Prospecting for Petroleum   208--210
          Albert G. Ingalls and   
                   E. M. Barber   Fundamental Science: Modern Lubrication  211--213
               Alexander Klemin   Aviation: Aviation Surveyed  . . . . . . 214--216
                  The Staff and   
                 H. R. Drackett   In Other Fields: By-Passing the Sheep    217--231
                      Anonymous   New Products . . . . . . . . . . . . . . 232--235
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 236--236
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 237--238
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 239--240
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 242--243
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 244--246
                      Anonymous   Quotes . . . . . . . . . . . . . . . . . 246--246
                D. H. Killeffer   Chemistry in Industry: Synthetics Offer
                                  Solutions  . . . . . . . . . . . . . . . 247--249
                 Fred P. Peters   Metals in Industry: Lead Carries its
                                  Weight . . . . . . . . . . . . . . . . . 250--252
               Edwin Laird Cady   Engineering: Safety Increases, But . . . 253--255
               Keith Henney and   
                     Vin Zeluff   Electronics: Electronic Aviation . . . . 256--258
          Albert G. Ingalls and   
               Sidney J. French   Explosives --- Inside and Out  . . . . . 259--261
               Alexander Klemin   Aviation: High-Octane Gas  . . . . . . . 262--264
       The Staff J. D. Ratcliff   In Other Fields: Water Conditioning  . . 265--277
                      Anonymous   New Products . . . . . . . . . . . . . . 278--281
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 282--282
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 283--284
              Albert G. Ingalls   Telescoptics: A Monthly Department for
                                  the Amateur Telescope Maker  . . . . . . 285--286
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 2--3
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 4--5
                      Anonymous   Quotes . . . . . . . . . . . . . . . . . 6--6
               Alexander Klemin   Aviation: Bringing Down the Stratosphere 7--10
                   Keith Henney   Electronics: Supersonics at Work . . . . 10--12
                D. H. Killeffer   Chemistry in Industry: Insects Can be
                                  Controlled . . . . . . . . . . . . . . . 13--15
           Edward J. Cleary and   
                 V. T. Boughton   Engineering: Highways Alter the War  . . 16--18
             Fred P. Peters and   
                  T. W. Lippert   Metals in Industry: Continuous Casting   19--21
          Albert G. Ingalls and   
                   R. G. Sloane   Fundamental Science: Man Against Oxygen  22--24
                  The Staff and   
             Charles J. Romieux   In Other Fields: Meet Melamine . . . . . 25--37
                      Anonymous   New Products . . . . . . . . . . . . . . 38--43
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 44--44
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 45--46
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 47--49
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 50--52
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 52--53
                      Anonymous   Quotes . . . . . . . . . . . . . . . . . 54--54
               Edwin Laird Cady   Engineering: Fighting Factory Fires  . . 55--57
                 Fred P. Peters   Metals in Industry: Nonferrous Metals
                                  Tomorrow . . . . . . . . . . . . . . . . 58--60
                   Keith Henney   Electronics: Electronic Sorting  . . . . 61--63
            D. H. Killeffer and   
                 H. P. Ouadland   Chemistry in Industry: Safety with
                                  Solvents . . . . . . . . . . . . . . . . 64--66
              Albert G. Ingalls   Fundamental Science: Keep them Tight . . 67--69
               Alexander Klemin   Aviation: Safely in the Air  . . . . . . 70--72
                    T. A. Walsh   In Other Fields: Detenderizing Glass . . 73--85
                      Anonymous   New Products . . . . . . . . . . . . . . 86--90
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 91--91
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 92--94
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 95--96
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 98--99
                      Anonymous   50 Years Ago: 50 Years Ago
                                  \booktitleScientific American  . . . . . 100--101
                      Anonymous   Quotes . . . . . . . . . . . . . . . . . 102--102
             Fred P. Peters and   
                 Daniel Minturn   Metals in Industry: Flume Filled Future  103--105
                   Keith Henney   Electronics: Electronic Counting . . . . 106--108
               Alexander Klemin   Aviation: Airports for America . . . . . 109--111
               Edward J. Cleary   Engineering: Better Water for Industry   112--114
                D. H. Killeffer   Chemistry in Industry: The Resin Dog
                                  with the Plastics Tail . . . . . . . . . 115--117
          Albert G. Ingalls and   
                     H. H. Fink   Fundamental Science: If you Can't Kill
                                  it, Isolate It . . . . . . . . . . . . . 118--120
                      Anonymous   In Other Fields: Battleship of the Air   121--134
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 135--135
                      Anonymous   New Products . . . . . . . . . . . . . . 136--139
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 140--142
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 143--144
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 146--147
                      Anonymous   50 Years Ago: 50 Years Ago
                                  \booktitleScientific American  . . . . . 148--150
             Fred P. Peters and   
                  Edwin F. Cone   Metals in Industry: Centrifugal Casting  151--153
          Albert G. Ingalls and   
                     Jean Mater   Medical Science: They Do Practically
                                  Anything . . . . . . . . . . . . . . . . 154--156
               Edwin Laird Cady   Engineering: What About the Gas Turbine
                                  ?  . . . . . . . . . . . . . . . . . . . 157--159
                   Keith Henney   Electronics: Electronics in
                                  Transportation . . . . . . . . . . . . . 160--162
            D. H. Killeffer and   
              Steven M. Spencer   Chemistry in Industry: Chemical
                                  Guardians of Fabrics . . . . . . . . . . 163--165
               Alexander Klemin   Aviation: Progress in Instrumentation    166--168
                      Anonymous   In Other Fields: Continuous Hardening    169--184
                      Anonymous   New Products . . . . . . . . . . . . . . 185--187
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 188--188
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 189--190
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 191--192
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 194--195
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 196--198
             Fred P. Peters and   
                   Kenneth Rose   Metals in Industry: Thermit Branches Out 199--201
                D. H. Killeffer   Chemistry in Industry: Abundant Chlorine 202--204
               Edwin Laird Cady   Engineering: Precast Solves Many
                                  Problems . . . . . . . . . . . . . . . . 205--207
                   Keith Henney   Electronics: Electronics in Tomorrow's
                                  Industry . . . . . . . . . . . . . . . . 208--210
               Alexander Klemin   Aviation: Has the Glider A Future? . . . 211--213
          Albert G. Ingalls and   
                 M. A. Heikkila   Fundamental Science: Glowing Color in
                                  the Durk . . . . . . . . . . . . . . . . 214--215
           Harvey C. Rentschler   In Other Fields: Rays that Sterilize . . 216--229
                      Anonymous   New Products . . . . . . . . . . . . . . 230--234
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 235--235
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 236--238
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 239--240
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 242--243
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 244--246
               Edwin Laird Cady   Engineering: Power Transmission Tamed    247--249
            D. H. Killeffer and   
            F. J. Van Antwerpen   Chemistry in Industry: Petroleum's `Big
                                  three' . . . . . . . . . . . . . . . . . 250--252
                 Fred P. Peters   Metals in Industry: Steel Treating . . . 253--255
               Alexander Klemin   Aviation: A Miracle of Production  . . . 256--258
               Keith Henney and   
                     Vin Zeluff   Electronics: Electronic Controls . . . . 259--261
          Albert G. Ingalls and   
                  W. J. Sweeney   Fundamental Science: Why Engines Knock   262--265
                William H. Page   In Other Fields: Glass in Textiles . . . 266--274
                      Anonymous   New Products . . . . . . . . . . . . . . 275--280
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 281--282
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 283--284
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 285--286
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 2--3
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 4--6
           Charles F. Kettering   Research Opens the Door  . . . . . . . . 7--12
                 Fred P. Peters   Metals in Industry: Better Metals
                                  Through Research . . . . . . . . . . . . 13--15
                     C. B. Peck   Railroad Transportation: Railways Roll
                                  on Research  . . . . . . . . . . . . . . 16--18
               Keith Henney and   
                    John Markus   Electronics: Electronic Aids to Research 19--21
               Alexander Klemin   Aviation: Research Gave Mankind Wings    22--25
             Charles A. Breskin   Plastics: Plastics --- Products of
                                  Research . . . . . . . . . . . . . . . . 26--29
               Edwin Laird Cady   Engineering: Everything Under Control    30--34
            D. H. Killeffer and   
            F. J. Van Antwerpen   Chemistry in Industry: Where Research is
                                  King . . . . . . . . . . . . . . . . . . 35--37
                      Anonymous   In Other Fields: Research in Metal
                                  Heating  . . . . . . . . . . . . . . . . 38--52
                      Anonymous   New Products . . . . . . . . . . . . . . 53--58
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 59--60
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 60--62
              Albert G. Ingalls   Telescoptics: A Monthly Department for
                                  the Amateur Telescope Maker  . . . . . . 63--64
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 66--67
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 68--70
               Edwin Laird Cady   A Century of Engineering . . . . . . . . 71--81
             Charles F. Breskin   Plastics: Plastics' Future . . . . . . . 82--85
                    Leslie Peat   Highway Transportation: Tomorrow's
                                  Vehicles . . . . . . . . . . . . . . . . 86--88
               Keith Henney and   
                     Vin Zeluff   Electronics: Engineered Electronics  . . 89--90
               Alexander Klemin   Aviation: Engineers and Wings  . . . . . 92--94
                 Fred P. Peters   Metals in Industry: Backbone of
                                  Engineering  . . . . . . . . . . . . . . 95--97
            D. H. Killeffer and   
            F. J. Van Antwerpen   Chemistry in Industry: Partners in
                                  Production . . . . . . . . . . . . . . . 98--100
          Albert G. Ingalls and   
                   G. W. Penney   Fundamental Science: Heat Transfer . . . 101--105
                Jerome Campbell   In Other Fields: Multi-Room Air
                                  Conditioning . . . . . . . . . . . . . . 106--116
                      Anonymous   New Products . . . . . . . . . . . . . . 117--122
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 123--124
                      Anonymous   Our Book Corner: Our Book corner . . . . 125--126
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 127--128
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 130--131
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 132--134
               Edwin Laird Cady   Engineering: Weather-Proof Revolution    145--148
             Charles A. Breskin   Plastics: Plastics Days Ahead  . . . . . 149--152
               Alexander Klemin   Aviation: Planes and Trains  . . . . . . 153--155
               Keith Henney and   
                    John Markus   Electronics: Electronics in Boilroading  156--158
                D. H. Killeffer   Chemistry in Industry: Chemistry Serves
                                  the Railroads  . . . . . . . . . . . . . 159--161
                 Fred P. Peters   Metals in Industry: Metals Make
                                  Railroads  . . . . . . . . . . . . . . . 162--164
          Albert G. Ingalls and   
                  L. K. Sillcox   Fundamental Science: Wheels of Worth . . 165--169
               Harry E. Schaden   In Other Fields: Luxury on Rails . . . . 170--179
                      Anonymous   New Products . . . . . . . . . . . . . . 180--186
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 187--188
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 189--190
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 191--192
                     C. B. Peck   On the Railroad Frontier . . . . . . . . 135--144
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 194--195
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 196--198
                 Fred P. Peters   Into the Alloy Age . . . . . . . . . . . 199--207
                    Leslie Peat   Highway Transportation: Engineering
                                  Thinking . . . . . . . . . . . . . . . . 208--209
              Keith Thenney and   
                     Vin Zeluff   Electronics: Metals by Electronics . . . 210--212
               Alexander Klemin   Aviation: Metals in the Air  . . . . . . 213--215
                D. H. Killeffer   Chemistry in Industry: Metals of the
                                  Future . . . . . . . . . . . . . . . . . 216--218
          Albert G. Ingalls and   
                 S. E. Maddigan   Fundamental Science: Microradiography    219--221
             Charles A. Breskin   Plastics: Plastics Plus Metals . . . . . 222--225
               Edwin Laird Cady   Engineering: Partners in Production  . . 226--231
               Robert L. Zahour   In Other Fields: Drawing out Fine  . . . 232--235
                      Anonymous   New Products and Processes . . . . . . . 236--250
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 251--252
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 253--254
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 255--256
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 258--259
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 260--262
             Charles A. Breskin   Plastics: Plastics Through the Years . . 269--273
               Keith Henney and   
                    John Markus   Electronics: Working for Industry  . . . 274--276
                Jerome Campbell   Petroleum: Oil Pushes Production . . . . 277--279
               Alexander Klemin   Aviation: Aide to Aviation . . . . . . . 280--282
                 Fred P. Peters   Metals in Industry: Metals Fight
                                  Corrosion  . . . . . . . . . . . . . . . 283--285
                     C. B. Peck   Railroad Transportation: Chemicals on
                                  Rails  . . . . . . . . . . . . . . . . . 286--288
               Edwin Laird Cady   Engineering: Minimum Maintenance Motors  289--292
                      Anonymous   In Other Fields: Taking Steel's
                                  Temperature  . . . . . . . . . . . . . . 293--297
                      Anonymous   New Products and Processes . . . . . . . 298--313
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 314--315
             Harland Manchester   Our Book Corner  . . . . . . . . . . . . 316--318
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 319--320
                D. H. Killeffer   A Century of Chemistry . . . . . . . . . 263--268
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 322--323
                      Anonymous   50 Years Ago: 50 Years Ago in \ldots
                                  \booktitleScientific American  . . . . . 324--326
                      Anonymous   Engineering: Bearing Down on Friction    336--340
             Charles A. Breskin   Plastics: Plastics Aloft . . . . . . . . 341--344
                    Leslie Peat   Highway Transportation: Motor Vehicles
                                  Post-War . . . . . . . . . . . . . . . . 345--347
               Keith Henney and   
                     Vin Zeluff   Electronics: Flying Electronics  . . . . 348--350
                D. H. Killeffer   Chemistry in Industry: Engines of the
                                  Air  . . . . . . . . . . . . . . . . . . 351--353
            Jerome Campbell and   
                B. W. Story and   
                   E. A. Martin   Petroleum: Lubricants for Air Power  . . 354--356
                 Fred P. Peters   Metals in Industry: Soft Dies \ldots
                                  Hard Jobs  . . . . . . . . . . . . . . . 357--361
                      Anonymous   In Other Fields: Better Television . . . 362--365
                      Anonymous   New Products and Processes . . . . . . . 366--376
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 377--378
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 379--380
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 381--382
               Alexander Klemin   Since Man Took Wings . . . . . . . . . . 327--335
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 2--3
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 4--6
               Edwin Laird Cady   Engineering: It Pays to Listen . . . . . 18--21
             Charles A. Breskin   Plastics: Better Plastics Heating  . . . 22--25
               Alexander Klemin   Aviation: Control in the Air . . . . . . 26--28
            Jerome Campbell and   
                    Budd Mulloy   Petroleum: Gas in Bottles  . . . . . . . 29--31
                 C. B. Peck and   
                   A. G. Oehler   Railroad Transportation: Power Plants on
                                  Wheels . . . . . . . . . . . . . . . . . 32--35
                 Fred P. Peters   Metals in Industry: Industry's Permanent
                                  Pull . . . . . . . . . . . . . . . . . . 36--39
                D. H. Killeffer   Chemistry in Industry: Infra-Red in
                                  Industry . . . . . . . . . . . . . . . . 40--43
                  L. H. Woodman   In Other Fields: Cathodic Protection . . 44--49
                      Anonymous   New Products and Processes . . . . . . . 50--57
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 58--59
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 60--62
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 63--64
                 Vin Zeluff and   
                    John Markus   100 Years of Electricity and Electronics 7--17
        
                      Anonymous   Previews of the Industrial Horizon . . . 66--67
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 68--70
               Edwin Laird Cady   Engineering: Machine Tool Magic  . . . . 79--82
             Charles A. Breskin   Plastics: Automotive Plastics  . . . . . 83--86
                Jerome Campbell   Petroleum: Petroleum Pavements . . . . . 87--89
               Keith Henney and   
                    John Markus   Electronics: Electronics on the Road . . 90--92
               Alexander Klemin   Aviation: Highways of the Air  . . . . . 93--95
                D. H. Killeffer   Chemistry in Industry: Automotive Rubber 96--98
                    Fred P. Pet   Metals in Industry: Miracle or Mirage?   99--101
                      Anonymous   In Other Fields: The `Jeep' Post-War . . 102--109
                      Anonymous   New Products and Processes . . . . . . . 110--122
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 123--123
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 124--126
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 127--128
                    Leslie Peat   America on Wheels  . . . . . . . . . . . 71--78
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 132--133
                      Anonymous   50 Years Ago: 50 Years Ago
                                  \booktitleScientific American  . . . . . 134--136
                Jerome Campbell   Light and Progress . . . . . . . . . . . 137--150
               Edwin Laird Cady   Engineering: Cutting Oil Comes Back  . . 151--154
             Charles A. Breskin   Plastics: Plastics Sandwiches  . . . . . 155--158
               Alexander Klemin   Aviation: Gas Turbine Possibilities  . . 159--161
                D. H. Killeffer   Chemistry in Industry: Fuels for Jets    162--164
               Keith Henney and   
                     Vin Zeluff   Electronics: Glass and Electronics . . . 165--167
             Fred P. Peters and   
                   Kenneth Rose   Metals in Industry: Glass-Metal
                                  Collaboration  . . . . . . . . . . . . . 168--170
                     C. B. Peck   Turbines on Rails  . . . . . . . . . . . 171--173
           Harvey C. Rentschler   In Other Fields: Solarization  . . . . . 174--177
                      Anonymous   New Products and Processes . . . . . . . 178--186
                  K. M. Canavan   In Other Fields: Current Bulletin Briefs 187--188
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 189--190
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 191--192
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 196--197
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 198--200
             Charles A. Breskin   Plastics: Plastics Take to Water . . . . 210--213
               Edwin Laird Cady   Engineering: Export Packaging is
                                  Different  . . . . . . . . . . . . . . . 214--217
                 Fred P. Peters   Metals in Industry: Ship Welding Wins    218--221
               Keith Henney and   
                    John Markus   Electronics: Electronics Afloat  . . . . 222--224
               Wesley D. Archer   Petroleum: Oil for Ships' Turbines . . . 225--227
               Alexander Klemin   Aviation: To Europe by Air . . . . . . . 228--230
            D. H. Killeffer and   
                    A. C. Purdy   Chemistry in Industry: Water --- a
                                  Marine Problem!  . . . . . . . . . . . . 231--233
                    Leslie Peat   Highway Transportation: Motor Cars
                                  Tomorrow . . . . . . . . . . . . . . . . 234--237
                     A. P. Peck   In Other Fields: Atomic Bombs  . . . . . 238--241
                      Anonymous   New Products and Processes . . . . . . . 242--251
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 251--252
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 253--254
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 255--256
                 Harry Botsford   America on the Sea . . . . . . . . . . . 201--209
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 258--259
                      Anonymous   50 Years Ago: 50 Years Ago
                                  \booktitleScientific American  . . . . . 260--262
                  Russell Hogin   Life-Blood of the World  . . . . . . . . 263--273
               Edwin Laird Cady   Engineering: Precision Quenching . . . . 274--277
                 Vin Zeluff and   
                   Keith Henney   Electronics: Refinery Electronics  . . . 278--280
                      Anonymous   Aviation: Cargo by Air . . . . . . . . . 281--283
                D. H. Killeffer   Chemistry in Industry: How Soon Atomic
                                  Energy?  . . . . . . . . . . . . . . . . 284--289
                 Fred P. Peters   Metals in Industry: Lithium, Servant
                                  Metal  . . . . . . . . . . . . . . . . . 290--293
             Charles A. Breskin   Plastics: Petroleum in Plastics
                                  Processing . . . . . . . . . . . . . . . 294--297
                     C. B. Peck   Chasing Water Pockets  . . . . . . . . . 298--301
                      Anonymous   In Other Fields: An Expanding Chemical   302--305
                      Anonymous   New Products and Processes . . . . . . . 306--314
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 315--316
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 317--318
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 319--320
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 322--323
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 324--326
                    Edwin Laird   Engineering: Lost Wax at Work  . . . . . 334--337
             Charles A. Breskin   Plastics: Your Home in Plastics  . . . . 338--341
                 Fred P. Peters   Metals in Industry: Two-in-One Materials 342--345
                D. H. Killeffer   Chemistry in Industry: Research for
                                  Small Business . . . . . . . . . . . . . 346--348
               Keith Henney and   
                    John Markus   Electronics: Economics of Electronics    349--351
               Alexander Klemin   Aviation: Flying Aids  . . . . . . . . . 352--354
                    Leslie Peat   Highway Transportation: Power Brakes . . 355--359
               Wesley D. Archer   Petroleum: More Oil From Wells . . . . . 360--363
                  Lewis Nordyke   In Other Fields: 'Mightiest Nothing' . . 364--367
                      Anonymous   New Products and Processes . . . . . . . 368--376
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 377--378
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 379--380
               Alert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 381--382
              Albert G. Ingalls   A Century of \booktitleScientific
                                  American . . . . . . . . . . . . . . . . 327--333
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 2--3
                     A. P. Peck   Previews of the Industrial Horizon . . . 4--4
                D. H. Killeffer   Chemistry in Industry: Is DDT Poisonous? 5--7
                 Fred P. Peters   Metals in Industry: Boron Carbide: A
                                  Challenge  . . . . . . . . . . . . . . . 8--10
               Keith Henney and   
                     Vin Zeluff   Electronics: Television in the Dark  . . 11--12
                    John Markus   100,000,000 Electron Volts . . . . . . . 12--13
               Edwin Laird Cady   Engineering: Standards for Versatility   14--16
               Alexander Klemin   Aviation: Motorless Flight . . . . . . . 17--19
             Charles A. Breskin   Plastics: Frictional Heat  . . . . . . . 20--22
                    Luther Hill   Petroleum: Story of Hydroforming . . . . 23--27
             Harland Manchester   In Other Fields: Microwaves on the Way   28--35
                    Die Inserts   New Products and Processes . . . . . . . 36--42
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 43--44
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 45--46
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 47--48
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 50--51
                     A. P. Peck   Previews of the Industrial Horizon . . . 52--52
                 Fred P. Peters   Metals in Industry: Extrusions Push
                                  Ahead  . . . . . . . . . . . . . . . . . 53--55
             Charles A. Breskin   Plastics: Plastics in Radio  . . . . . . 56--58
               Keith Henney and   
                     Vin Zeluff   Electronics: Electronic Inspection . . . 59--61
            D. H. Killeffer and   
           Howard C. E. Johnson   Chemistry in Industry: Amino Acids: in
                                  Quantity . . . . . . . . . . . . . . . . 62--64
               Alexander Klemin   Aviation: Helicopters in Civil Aviation  65--67
               Edwin Laird Cady   Engineering: Never-Ending Studies  . . . 68--70
                    Leslie Peat   Highway Transportation: The Public and
                                  the Engineer . . . . . . . . . . . . . . 71--73
              Leonard I. Katzin   In Other Fields: Industrial Uses of
                                  Atomic Energy  . . . . . . . . . . . . . 74--81
                      Anonymous   New Products and Processes . . . . . . . 82--90
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 91--92
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 93--94
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 95--96
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 98--98
                     A. P. Peck   Previews of the Industrial Horizon . . . 100--100
                 Fred P. Peters   Metals in Industry: Steel Fights Back    101--103
               Keith Henney and   
                    John Markus   Electronics: Detecting the Invisible . . 104--106
             Charles A. Breskin   Plastics: Plastics in 1946 . . . . . . . 107--109
               Edwin Laird Cady   Engineering: A New Eye for Industry  . . 110--112
                 E. F. Lindsley   Petroleum: Fuels Rated by Performance    113--115
               Alexander Klemin   Aviation: Air Transport Progress . . . . 116--118
            D. H. Killeffer and   
           Howard C. E. Johnson   Chemistry in Industry: Ion Exchange  . . 119--121
                      Anonymous   In Other Fields: Keeping the Heat In . . 122--127
                      Anonymous   New Products and Processes . . . . . . . 128--137
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 138--139
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 140--142
              Albert G. Ingalls   Telescoptics: A Monthly Department for
                                  the Amateur Telescope Maker  . . . . . . 143--144
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 146--147
                     A. P. Peck   Previews of the Industrial Horizon . . . 148--148
               Edwin Laird Cady   Engineering: Quality Control Creates
                                  Jobs . . . . . . . . . . . . . . . . . . 149--151
                 Fred P. Peters   Metals in Industry: Alloys Beat the Heat 152--154
               Keith Henney and   
                    John Markus   Electronics: `Huff Duff' . . . . . . . . 155--157
             Charles A. Breskin   Plastics: Premiums in Plastics . . . . . 158--160
                      Anonymous   Chemistry in Industry: Rust Not --- Want
                                  Not  . . . . . . . . . . . . . . . . . . 161--163
               Alexander Klemin   Aviation: Research for Power . . . . . . 164--166
             E. F. Lindsley and   
                 A. Bruce Boehm   Petroleum: `Alloyed' Oils  . . . . . . . 167--169
                  Clark Simmons   In Other Fields: Plastics Precede
                                  Production . . . . . . . . . . . . . . . 170--175
                      Anonymous   New Products and Processes . . . . . . . 176--186
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 187--187
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 188--190
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 191--192
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 194--194
                     A. P. Peck   Previews of the Industrial Horizon . . . 196--196
             Charles A. Breskin   Plastics: Partners of Light  . . . . . . 197--200
            D. H. Killeffer and   
              Howard C. Johnson   Chemistry in Industry: Wooden Wealth . . 201--203
               Keith Henney and   
                     Vin Zeluff   Electronics: Aircraft Radar  . . . . . . 204--206
                 Fred P. Peters   Metals in Industry: Speculum for
                                  Brightness . . . . . . . . . . . . . . . 207--209
               Edwin Laird Cady   Engineering: Sell, Then Buy  . . . . . . 210--212
             E. F. Lindsley and   
                   John C. Dean   Petroleum: Petroleum Process Products    213--215
               Alexander Klemin   Aviation: Aviation Engineering Emerges   216--218
                      Anonymous   In Other Fields: Color to Order  . . . . 219--223
                      Anonymous   New Products and Processes . . . . . . . 224--233
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 234--235
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 236--238
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 239--240
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 242--243
                     A. P. Peck   Previews of the Industrial Horizon . . . 244--244
               Keith Henney and   
                    John Markus   Joints in a Jiffy  . . . . . . . . . . . 245--248
                 Fred P. Peters   Metals in Industry: Beryllium: Workaday
                                  Metal  . . . . . . . . . . . . . . . . . 249--251
               Alexander Klemin   Aviation: Private Plane Prospects  . . . 252--254
               Edwin Laird Cady   Engineering: Factories on the Move . . . 255--257
            D. H. Killeffer and   
           Howard C. E. Johnson   Chemistry in Industry: Chemical Crop
                                  Insurance  . . . . . . . . . . . . . . . 258--260
             Charles A. Breskin   Plastics: Molding Unlimited  . . . . . . 261--263
             Harland Manchester   In Other Fields: Successor to the
                                  Sextant  . . . . . . . . . . . . . . . . 264--269
                      Anonymous   New Products and Processes . . . . . . . 270--279
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 280--281
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 282--284
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 285--286
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 2--2
                     A. P. Peck   Previews of the Industrial Horizon . . . 4--4
               Edwin Laird Cady   Engineering: Processes Must Mature . . . 5--8
                      Anonymous   Useful Wood, One-Minute Motors, and more 8--8
                 Fred P. Peters   Metals in Industry: Industrial
                                  Hemstitcher  . . . . . . . . . . . . . . 9--11
                      Anonymous   Copper-Coated, Non-Aging Steel . . . . . 11--11
             E. F. Lindsley and   
                   John C. Dean   Petroleum: By-Product Bonuses  . . . . . 12--14
                      Anonymous   East Coast Oil, Form Spreaders, and more 14--14
               Alexander Klemin   Aviation: Flying's Easier, Now . . . . . 15--17
                      Anonymous   Anti-Friction, Changed Aircraft Rules    17--17
                D. H. Killeffer   Chemistry in Industry: Chemicals Grow on
                                  Trees  . . . . . . . . . . . . . . . . . 18--20
                      Anonymous   Insulating Board, Non-Metallic Magnets,
                                  and more . . . . . . . . . . . . . . . . 20--20
               Keith Henney and   
                     Vin Zeluff   Electronics: Sight at Night  . . . . . . 21--23
                      Anonymous   Vacuum Systems, Liquid Level, and more   23--23
             Charles A. Breskin   Plastics: Pin-Ball Proving Ground  . . . 24--26
                      Anonymous   Expanded Plastics, Plastics Candies  . . 26--26
            Leonard R. Phillips   In Other Fields: Diffusion Defeats
                                  Drafts . . . . . . . . . . . . . . . . . 27--29
                      Anonymous   Helium-Shielded Arc, Lens Antenna, and
                                  more . . . . . . . . . . . . . . . . . . 29--31
                      Anonymous   New Products and Processes: Tool Tips,
                                  Modified Thermoplastic, and more . . . . 32--41
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 42--43
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 44--46
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 47--48
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 50--50
                     A. P. Peck   Previews of the Industrial Horizon . . . 52--52
                 Fred P. Peters   Metals in Industry: Magnesium:
                                  Inexhaustible Metal  . . . . . . . . . . 53--56
                      Anonymous   Aluminized Steel, Copper-Bearing, and
                                  more . . . . . . . . . . . . . . . . . . 56--56
            D. H. Killeffer and   
           Howard C. E. Johnson   Chemistry in Industry: Is Soap Slipping? 57--59
                      Anonymous   Buckwheat Drug, Rayon Fabrics  . . . . . 59--59
             Charles A. Breskin   Plastics: Pack it in Plastics  . . . . . 60--61
                      Anonymous   Cosmetic Bag, Plastics Horse, and more   62--62
               Keith Henney and   
                    John Markus   Electronics: Mechanized Wiring . . . . . 63--65
                      Anonymous   Gas-Stove Generator, Coffee  . . . . . . 65--65
             E. F. Lindsley and   
            William A. Sullivan   Petroleum: Fuel Oils have changed  . . . 66--68
                      Anonymous   Fuel Control, Pour Point . . . . . . . . 68--68
               Edwin Laird Cady   Engineering: Machine Tools for Heating   69--71
                      Anonymous   Steel Wool, Machine Scraps . . . . . . . 71--71
               Alexander Klemin   Aviation: Plane Sense and Safety . . . . 72--74
                      Anonymous   Wind Tunnel, Aircraft Sound-Proofing,
                                  and more . . . . . . . . . . . . . . . . 74--75
             Harland Manchester   In Other Fields: Powdered Coal . . . . . 76--79
                      Anonymous   Accident Costs, Gap-Filling Glue, and
                                  more . . . . . . . . . . . . . . . . . . 79--81
                      Anonymous   New Products and Processes: Portable
                                  Light, Auto Lacquer, and more  . . . . . 82--89
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 90--91
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 92--94
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 95--96
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 98--98
                     A. P. Peck   Previews of the Industrial Horizon . . . 100--100
               Edwin Laird Cady   Engineering: Oxygen for Industry . . . . 101--104
                      Anonymous   Air Control, Precision Cooling, and more 104--104
            D. H. Killeffer and   
           Howard C. E. Johnson   Chemistry in Industry: Take A Grain Of
                                  Sand . . . . . . . . . . . . . . . . . . 105--107
                      Anonymous   Anodized Magnesium . . . . . . . . . . . 107--107
               Keith Henney and   
                     Vin Zeluff   Electronics: Tubing Without Troubles . . 108--110
                      Anonymous   Shoran Maps, St. Elmo's Fire, and more   110--110
             Fred P. Peters and   
                  Herbert Chase   Metals in Industry: Extrusions by Impact 111--113
                      Anonymous   Steel-Aluminum Rivet, Plated Piston
                                  Rings  . . . . . . . . . . . . . . . . . 113--113
             Charles A. Breskin   Plastics: Plastics Stick Together  . . . 114--116
                      Anonymous   Plastics Re-Design, Dust Pan . . . . . . 116--116
             E. F. Lindsley and   
                   John C. Dean   Petroleum: Wax Against Water . . . . . . 117--119
                      Anonymous   Detergent Oils . . . . . . . . . . . . . 119--119
               Alexander Klemin   Aviation: Pressed-Out Planes . . . . . . 120--122
                      Anonymous   Constellation Cowling, Long-Range Plane,
                                  and more . . . . . . . . . . . . . . . . 122--122
                  The Staff and   
                  J. A. Meacham   In Other Fields: Paint for Production    123--125
                      Anonymous   Atomic Power Plant, Artificial Limbs,
                                  and more . . . . . . . . . . . . . . . . 125--129
                      Anonymous   New Products and Processes: Speed Lathe,
                                  Insulating Window, and more  . . . . . . 130--137
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 138--139
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 140--142
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 143--144
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 146--146
                     A. P. Peck   Previews of the Industrial Horizon . . . 148--148
                 Fred P. Peters   Metals in Industry: Tests or
                                  ``Traditions''?  . . . . . . . . . . . . 149--152
                      Anonymous   Aluminum vs Copper, Silver ``Solder''
                                  Base, and more . . . . . . . . . . . . . 152--152
                D. H. Killeffer   Chemistry in Industry: Making Heat Work
                                  Overtime . . . . . . . . . . . . . . . . 153--156
                      Anonymous   Paper-Mill Slime . . . . . . . . . . . . 156--156
               Edwin Laird Cady   Engineering: Departments Without Names   157--159
                      Anonymous   ``Butter-Layers'', Aircraft Techniques   159--159
             Charles A. Breskin   Plastics: Layer-Cake Plastics  . . . . . 160--162
                      Anonymous   Ice-Cube Tray, Excavator Window  . . . . 162--162
               Alexander Klemin   Aviation: Cabins Can be Quieter  . . . . 163--165
                      Anonymous   Flying Wing, Plane Comfort Quiz  . . . . 165--165
             E. F. Lindsley and   
                  T. G. Roehner   Petroleum: Multi-Purpose Paradox . . . . 166--168
                      Anonymous   Paint Removal, Plastisols  . . . . . . . 168--168
               Keith Henney and   
                    John Markus   Electronics: Mixed Metal Magic . . . . . 169--171
                      Anonymous   Plastics Balls, Horseshoes, and more . . 171--171
                      Anonymous   In Other Fields: Looking to the Light    172--174
                      Anonymous   Color Chip Manual, Spot-Welder, and more 174--175
                      Anonymous   New Products and Processes: Band-Saw
                                  Lubricator, Humidity Tester, and more    176--185
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 186--187
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 188--190
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 191--192
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 194--195
                     A. P. Peck   Previews of the Industrial Horizon . . . 196--196
                 Fred P. Peters   Metals in Industry: Brightening the
                                  Surface  . . . . . . . . . . . . . . . . 197--200
                      Anonymous   Stamped Motor Parts, Uniform Metal
                                  Powders, and more  . . . . . . . . . . . 200--200
                Foster D. Snell   Chemistry in Industry: Plastics and
                                  Fires  . . . . . . . . . . . . . . . . . 201--204
                      Anonymous   Plastics Oyster Shells, Colored Rubber,
                                  and more . . . . . . . . . . . . . . . . 203--204
               Edwin Laird Cady   Engineering: Moisture Meters Move Up . . 205--207
                      Anonymous   Handy Hydraulics, Actual Limits: Shop
                                  Limits . . . . . . . . . . . . . . . . . 207--207
               Alexander Klemin   Aviation: Ideas in the Air . . . . . . . 208--210
                      Anonymous   Arrow-Like Wings, Aircraft Static  . . . 210--210
                     Vin Zeluff   Electronics: Electrons Guide the Loom    211--213
                      Anonymous   Plant-Truck ``Intercoms'', Aluminum
                                  Welding  . . . . . . . . . . . . . . . . 213--213
             Charles A. Breskin   Plastics: Covering Up with Plastics  . . 214--216
                      Anonymous   Structural Plastics, Plastics Hinges . . 216--216
                     John Smith   Petroleum: Oil Heat for Industry . . . . 217--219
                      Anonymous   Piston-Ring Oiling, Synthetic Fuels and
                                  Oils . . . . . . . . . . . . . . . . . . 219--219
            Barclay Moon Newman   In Other Fields: New Vitamin C for Old   220--225
                      Anonymous   Parts Washer, Steel on Farms, and more   222--225
                      Anonymous   New Products and Processes: Dial Gage,
                                  Liquid Soap, and more  . . . . . . . . . 226--233
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 234--236
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 236--238
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 239--242
        
                      Anonymous   50 and 100 Years Ago: 50 Years Ago in
                                  100 Years Ago in \booktitleScientific
                                  American . . . . . . . . . . . . . . . . 242--243
                     A. P. Peck   Previews of the Industrial Horizon . . . 244--244
               Edwin Laird Cady   Engineering: Industry Embraces Weldments 245--247
                      Anonymous   Fiberglas Use, In-Plant Teletype, and
                                  more . . . . . . . . . . . . . . . . . . 248--248
             Charles A. Breskin   Plastics: High Pressure Plastics . . . . 249--251
                      Anonymous   Railcoach Rejuvenated, Plastics Fabrics,
                                  and more . . . . . . . . . . . . . . . . 251--251
                     Vin Zeluff   Electronics: Electrostatic Painting  . . 252--254
                      Anonymous   Slide-Fastener Reliability, Miniature
                                  Rectifier, and more  . . . . . . . . . . 254--254
               Alexander Klemin   Aviation: Must Flying be a ``Racket''?   255--257
                 Fred P. Peters   Metals in Industry: Coming Changes in
                                  Metal-Economics  . . . . . . . . . . . . 258--260
                      Anonymous   Tantalum, Ceramic-Coated Steel, and more 260--260
           Howard C. E. Johnson   Chemistry in Industry: Atomic-Bomb
                                  by-Products  . . . . . . . . . . . . . . 261--264
                      Anonymous   Fluorine, Wild Ginger Germicides, and
                                  more . . . . . . . . . . . . . . . . . . 264--264
              Warren L. Bassett   In Other Fields: Paper Gets Webbed Feet  265--268
                      Anonymous   Radiant Murals, Color Change, and more   268--271
                      Anonymous   New Products and Processes: Silicone
                                  Oil, Heavy Tires, and more . . . . . . . 272--279
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 280--281
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 282--284
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 285--286
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 3--3
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 4--5
                    John Markus   Electronics: Little Shakers Test Big
                                  Structures . . . . . . . . . . . . . . . 6--10
                      Anonymous   Television Color, High-Frequency Stove,
                                  and more . . . . . . . . . . . . . . . . 10--10
             Charles A. Breskin   Plastics: Taking the Stress out of
                                  Styrene  . . . . . . . . . . . . . . . . 11--14
                      Anonymous   Wipe-Clean Cloth, Plastics-Bonded
                                  Abrasives, and more  . . . . . . . . . . 14--14
                  H. R. Clauser   Metals in Industry: Electroforming for
                                  Precision  . . . . . . . . . . . . . . . 15--17
                      Anonymous   ``Super-Alloy'', Phone line Sheaths, and
                                  more . . . . . . . . . . . . . . . . . . 17--17
               Edwin Laird Cady   Engineering: Apprenticeship vs
                                  Mechanization  . . . . . . . . . . . . . 18--20
                      Anonymous   Better Fire Brick  . . . . . . . . . . . 20--20
             Marshall J. Waters   Petroleum: A New Diet for Diesels? . . . 21--23
                      Anonymous   Premium Oil, Cold-Weather Fuels, and
                                  more . . . . . . . . . . . . . . . . . . 23--23
                D. H. Killeffer   Chemistry in Industry: Soaps that Wash
                                  Nothing  . . . . . . . . . . . . . . . . 24--26
                      Anonymous   Ship Fouling, Cesium-Vapor Lamps, and
                                  more . . . . . . . . . . . . . . . . . . 26--26
                Jerome Campbell   In Other Fields: Pipe with a future  . . 27--29
                      Anonymous   Continuous Rail, Coal Mine Hazards, and
                                  more . . . . . . . . . . . . . . . . . . 29--33
                      Anonymous   New Products and Processes: Radiation
                                  Calculator, Industrial Cleaners, and
                                  more . . . . . . . . . . . . . . . . . . 34--42
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 43--43
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 44--46
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 47--48
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 50--50
                     A. P. Peck   Previews of the Industrial Horizon . . . 52--52
                  Samuel Burger   Electronics: Ray-Tracer of Atomic
                                  Fission  . . . . . . . . . . . . . . . . 53--56
                     Vin Zeluff   Air-Cleaning Efficiency Tested
                                  Electronically . . . . . . . . . . . . . 57--59
                      Anonymous   Dishwasher Soap, Electronic Dynamometer  59--59
           Howard C. E. Johnson   Chemistry in Industry: Fugitive Fluorine
                                  Works for Industry . . . . . . . . . . . 60--62
                      Anonymous   Uranium Metal, Iso-Octane Solvent  . . . 62--62
                 Fred P. Peters   Metals in Industry: Aluminum Advances on
                                  all Fronts . . . . . . . . . . . . . . . 63--65
                      Anonymous   Drawing Stainless  . . . . . . . . . . . 65--65
             Charles A. Breskin   Plastics: Plastics on Wheels . . . . . . 66--68
               Edwin Laird Cady   Engineering: Pilots to Profits . . . . . 69--70
                      Anonymous   Abrasive Blasters, Steel Troubles  . . . 75--75
                      Anonymous   In Other Fields: Flying for Business . . 76--76
                      Anonymous   Cars for 1950, Steel Temperature, and
                                  more . . . . . . . . . . . . . . . . . . 76--79
                      Anonymous   New Products and Processes: Vibration
                                  Meter, Fabric-Spring Tubing, and more    80--90
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 91--91
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 92--94
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 95--96
        
                      Anonymous   50 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 98--98
                     A. P. Peck   Metals in Industry: Brazil: A Coming
                                  Industrial Empire  . . . . . . . . . . . 100--104
                 Fred P. Peters   Precision Forgings . . . . . . . . . . . 105--107
                      Anonymous   Rolling Magnesium, Contact Alloys  . . . 107--107
               Edwin Laird Cady   Engineering: Job Rating for Square
                                  Dealing  . . . . . . . . . . . . . . . . 108--111
                      Anonymous   Flexible-Shaft Life, Friction Sawing,
                                  and more . . . . . . . . . . . . . . . . 111--111
                     A. P. Peck   Previews of the Industrial Horizon . . . 112--112
             Charles A. Breskin   Plastics: What Plastics Mean to Plywood  113--115
                      Anonymous   Mottled Sheeting, Plexiglas Canopy, and
                                  more . . . . . . . . . . . . . . . . . . 115--115
           Howard C. E. Johnson   Chemistry in Industry: Metals Plus
                                  Hydrogen . . . . . . . . . . . . . . . . 116--118
                      Anonymous   Fungus on Optics . . . . . . . . . . . . 118--118
                    John Markus   Electronics: Electronic Insurance in the
                                  Shop . . . . . . . . . . . . . . . . . . 119--121
                      Anonymous   Audio Filter, Electronic Eyesight, and
                                  more . . . . . . . . . . . . . . . . . . 121--121
               Alexander Klemin   In Other Fields: Instrumentation,
                                  Measurement, and Control . . . . . . . . 122--124
                      Anonymous   Atom-Powered City, Portable Induction
                                  Phone, and more  . . . . . . . . . . . . 124--128
                      Anonymous   New Products and Processes: Collet
                                  Fixture, Heat-Stable Resin, and more . . 130--138
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 139--139
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 140--142
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 143--144
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 146--146
                     A. P. Peck   Previews of the Industrial Horizon . . . 148--148
                 Fred P. Peters   Metals in Industry: Tough Alloys Cut
                                  Like Cheese  . . . . . . . . . . . . . . 149--152
                      Anonymous   Gallium Thermometer, Flat Wire, and more 152--152
                     Vin Zeluff   Electronics: Batching by Electronics . . 153--155
                      Anonymous   Foundry Cores, Continuous Wire Measurer,
                                  and more . . . . . . . . . . . . . . . . 155--156
                D. H. Killeffer   Chemistry in Industry: Chemists Fight
                                  for Food, Forage, Fiber  . . . . . . . . 157--159
                      Anonymous   Cotton Production, Textile Dressings,
                                  and more . . . . . . . . . . . . . . . . 159--160
             Charles A. Breskin   Plastics: Plastics in Sheets . . . . . . 161--162
                      Anonymous   Plastics Compounded --- While You Wait   162--163
                      Anonymous   Plastics Decorating, Plastics-Coated
                                  Mesh . . . . . . . . . . . . . . . . . . 163--163
               Edwin Laird Cady   Engineering: Salt Baths for Metals . . . 164--166
                      Anonymous   Plug Welding, Fast-Acting Furnaces . . . 166--166
             Harland Manchester   In Other Fields: Pictures in 60 Seconds  167--170
                      Anonymous   Rock Drilling with Flame . . . . . . . . 170--171
                      Anonymous   Air Drying for Preservation  . . . . . . 171--172
                      Anonymous   Germicidal Lamps, Turbine Blades, and
                                  more . . . . . . . . . . . . . . . . . . 172--175
                      Anonymous   New Products and Processes: Salvage
                                  Tool, Steel Baseboard Trim, and more . . 176--183
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 184--184
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 185--188
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 189--192
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 194--195
                     A. P. Peck   Previews of the Industrial Horizon . . . 196--196
             Harland Manchester   Engineering: Fireless Heat for the Home  197--200
               Edwin Laird Cady   Metallizing Takes Over . . . . . . . . . 201--203
                      Anonymous   Ascent by Rocket . . . . . . . . . . . . 203--203
                D. H. Killeffer   Chemistry in Industry: Oxygen by the Ton 204--206
                      Anonymous   Slime Preventive, Stored Vegetables  . . 206--206
                    John Markus   Electronics: Predictions by Electronics  207--209
                      Anonymous   Magnetic Sound Film, Radar on Airliners,
                                  and more . . . . . . . . . . . . . . . . 209--209
                 Fred P. Peters   Metals in Industry: Hardenability  . . . 210--213
                      Anonymous   Carbide Guide-Rest, Spring Material, and
                                  more . . . . . . . . . . . . . . . . . . 213--213
             Charles A. Breskin   Plastics: Where do Plastics Go from
                                  Here?  . . . . . . . . . . . . . . . . . 214--216
                      Anonymous   Acrylic Lids, Display Bottle . . . . . . 216--216
                N. C. Dezendorf   In Other Fields: Diesel Power Comes of
                                  Age  . . . . . . . . . . . . . . . . . . 217--218
                      Anonymous   Nylon Staple, Torque Tests, and more . . 219--222
                      Anonymous   New Products and Processes: Push-Pull
                                  Latch, Midget Dry Battery, and more  . . 223--229
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 230--231
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 232--234
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 235--238
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 242--243
                     A. P. Peck   Previews of the Industrial Horizon . . . 244--244
               Allen C. Holland   Engineering: Better Vision Boosts
                                  Production . . . . . . . . . . . . . . . 245--248
               Edwin Laird Cady   Processes have Families  . . . . . . . . 249--251
                      Anonymous   Hydraulic Accumulators . . . . . . . . . 251--251
                     Vin Zeluff   Electronics: Demobilized Microwaves  . . 252--255
                      Anonymous   Electronic Drive, See-Saw Bed and more   255--255
             Charles A. Breskin   Plastics: Coats Make the Product . . . . 256--258
                      Anonymous   Polyethylene Bags, Resin Adhesive, and
                                  more . . . . . . . . . . . . . . . . . . 258--258
           Howard C. E. Johnson   Chemistry in Industry: Glycerine and
                                  Glycols Gain Ground  . . . . . . . . . . 259--261
                      Anonymous   Agricultural Fungicide, Vinyl Ethers . . 261--261
                 Fred P. Peters   Metals in Industry: Deep Draws with Hot
                                  Magnesium  . . . . . . . . . . . . . . . 262--264
                      Anonymous   Aluminum Welded, Printed Silver, and
                                  more . . . . . . . . . . . . . . . . . . 264--264
                      Anonymous   In Other Fields: Micro-Hardness Testing  265--266
                      Anonymous   Artificial Legs, Lightweight Motors, and
                                  more . . . . . . . . . . . . . . . . . . 266--269
                      Anonymous   New Products and Processes:
                                  Self-Soldering Tape, Shrinkproof Rayons,
                                  and more . . . . . . . . . . . . . . . . 270--277
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 278--280
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 280--282
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 283--286
        
                     A. P. Peck   Previews of the Industrial Horizon . . . 2--3
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 4--5
Brigadier General David Sarnoff   Electronics: Science Reaches Upward  . . 6--9
                 Fred P. Peters   Metals in Industry: New Fields for
                                  Stainless  . . . . . . . . . . . . . . . 10--12
             Charles A. Breskin   Plastics: Plastics in Paints . . . . . . 13--14
               Edwin Laird Cady   Engineering: When Metal Atoms Wander . . 15--17
            Albert J. Blackwood   Petroleum: Fuels of the Future . . . . . 18--20
           Howard C. E. Johnson   Chemistry in Industry: Soaps in Reverse  21--23
                 Peter R. Lewis   Photography: Metals Through the
                                  Microscope . . . . . . . . . . . . . . . 24--25
                      Anonymous   \booktitleScientific American Industrial
                                  Digest: Remodeled Drafting Room,
                                  Hot-Cold Pipe, and more  . . . . . . . . 26--31
                      Anonymous   New Products: Miniature Switch, Multiple
                                  Drill Unit, and more . . . . . . . . . . 32--39
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 40--41
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 42--44
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 45--48
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 50--51
               C. Donald Dallas   Metals in Industry: America Needs a
                                  Million Tons of Copper . . . . . . . . . 52--55
                 Fred P. Peters   Tomorrow's Metallurgy  . . . . . . . . . 56--58
                     A. P. Peck   Previews of the Industrial Horizon:
                                  Progress is Sometimes Slow . . . . . . . 59--59
                  Paul D. Green   Photography: Microfilm Magic . . . . . . 60--63
                    John Markus   Electronics: Monitors for Molten Metals  64--66
               Edwin Laird Cady   Engineering: Casting is Changing . . . . 67--69
                 L. F. Peterson   Night Cooling for Day Comfort  . . . . . 70--71
               Philetus H. Holt   Petroleum: Fuels of the Future: For Gas
                                  Turbines and Jet Propulsion  . . . . . . 72--74
                      Anonymous   Engineering: Expansion Testing,
                                  Machine-Shop Forests . . . . . . . . . . 75--76
                      Anonymous   Industrial Digest: Line Voltage
                                  Stabilizer, Midget Camera  . . . . . . . 75--76
                      Anonymous   Petroleum: Fuel Vaporizer, Off-Shore Oil
                                  Well . . . . . . . . . . . . . . . . . . 75--76
                      Anonymous   Industrial Digest: Chilled Latex,
                                  Insects Traced, and more . . . . . . . . 76--79
                      Anonymous   Metals in Industry: Jet Alloys Tested,
                                  Control-Cable Steel, and more  . . . . . 77--79
                      Anonymous   Electronics: Watch Timer, Package
                                  Battery Charger, and more  . . . . . . . 77--79
                      Anonymous   New Products: Photoelectric Actuator,
                                  Small Induction Heater, and more . . . . 80--87
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 88--90
                Ralph K. Strong   Our Book Corner: Chemistry for the
                                  Executive  . . . . . . . . . . . . . . . 90--92
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 93--96
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 98--98
                     A. P. Peck   Previews of the Industrial Horizon . . . 100--100
               James F. Lincoln   Metals in Industry: Arc Welding is being
                                  Handicapped  . . . . . . . . . . . . . . 101--105
                Edward Mackasek   Engineering: Porcelain Coats on Metal
                                  Bases  . . . . . . . . . . . . . . . . . 106--109
               Edwin Laird Cady   Better Grounds Make Better Factories . . 110--112
                D. H. Killeffer   Chemistry in Industry: Industry Gets
                                  Nosey  . . . . . . . . . . . . . . . . . 113--115
                     Vin Zeluff   Electronics: Mass-Production Wiring  . . 116--118
             Charles A. Breskin   Plastics: Expanding Fields for Expanded
                                  Plastics . . . . . . . . . . . . . . . . 119--121
               F. W. Schumacher   Petroleum: Fuels of the Future: For
                                  Ram-Jet Motors . . . . . . . . . . . . . 122--124
                      Anonymous   Industrial Digest  . . . . . . . . . . . 125--128
                      Anonymous   Engineering: Cylinder Contour Gage,
                                  Improved Casters, and more . . . . . . . 125--128
                      Anonymous   Chemistry in Industry: Nuclear Track
                                  Plates, Cyanide from Gas . . . . . . . . 125--128
                      Anonymous   Metals in Industry: Hydraulic Bulging    126--126
                      Anonymous   Electronics: Automatic Plating Plant,
                                  Home Dust Precipitator . . . . . . . . . 126--128
                      Anonymous   Petroleum: Oil Field Analysis  . . . . . 127--128
                      Anonymous   Plastics: New Vinyl Uses . . . . . . . . 128--128
                      Anonymous   New Products: Vacuum Leak Detector,
                                  Pocket Ohmmeter, and more  . . . . . . . 129--135
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 136--137
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 138--140
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 141--144
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 146--146
                     A. P. Peck   Previews of the Industrial Horizon . . . 148--148
                    H. O. Smith   Engineering: 18,000 Ways to Fight
                                  Friction . . . . . . . . . . . . . . . . 149--153
               Edwin Laird Cady   Sleeping Beauty of Industry  . . . . . . 154--156
             James R. Patterson   Chemistry in Industry: Paradoxical
                                  Paints . . . . . . . . . . . . . . . . . 157--159
                      Carl Toll   Photography: Seeing is Believing . . . . 160--161
              Robert P. Russell   Petroleum: Fuels of the Future . . . . . 162--164
             Charles A. Breskin   Plastics: Saran \ldots For Short . . . . 165--167
                      Anonymous   Electronics: Concrete Against X-Rays . . 168--170
                      Anonymous   \booktitleScientific American Industrial
                                  Digest . . . . . . . . . . . . . . . . . 171--174
                      Anonymous   Engineering: Viscosimeter, Rigid Testing
                                  Machine, and more  . . . . . . . . . . . 171--174
                      Anonymous   Electronics: Electronic Micrometer, Fire
                                  Hazard Reduced, and more . . . . . . . . 171--173
                      Anonymous   Chemistry in Industry: Dyeing Glass
                                  Yarn, Electroless Plating, and more  . . 172--174
                      Anonymous   Plastics: Sealing Plastics Boxes, Card
                                  Table Top  . . . . . . . . . . . . . . . 172--174
                      Anonymous   New Products: Heavy-Duty Cleaner, Stud
                                  Welding, and more  . . . . . . . . . . . 175--183
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 183--184
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 185--187
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 188--191
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 194--194
                     A. P. Peck   Previews of the Industrial Horizon . . . 196--196
                   Carl J. Lamb   Engineering: Engineers will mold the
                                  Future . . . . . . . . . . . . . . . . . 197--200
               Edwin Laird Cady   Wool . . . . . . . . . . . . . . . . . . 201--203
            Ernst A. Hauser and   
             Desiree S. Le Beau   Chemistry in Industry: Elasticity
                                  Explained  . . . . . . . . . . . . . . . 204--206
      The Technical Service and   
Design Staff of Ross-Frederick Corporation   Plastics: Putting Plastics in Its Place  207--209
                  T. C. Du Mond   Metals in Industry: Co-Operation Hits
                                  Corrosion  . . . . . . . . . . . . . . . 210--212
                   T. H. Ayling   Electronics: Electrons Guide the Cutting
                                  Torch  . . . . . . . . . . . . . . . . . 213--215
               Sara H. Carleton   Photography: Baking Under the Microscope 216--218
                      Anonymous   Engineering: Mock-Ups of Buildings,
                                  Railroad X-Ray, and more . . . . . . . . 219--223
                      Anonymous   Chemistry in Industry: Improved
                                  Catalysts  . . . . . . . . . . . . . . . 219--220
                      Anonymous   \booktitleScientific American Industrial
                                  Digest: Jet Thrust Augmented, Hoses
                                  Handle Materials, and more . . . . . . . 220--223
                      Anonymous   Metals in Industry: Heat-Tube Material   221--221
                      Anonymous   Electronics: Microwave Speed Meter,
                                  Radar Lighthouse . . . . . . . . . . . . 221--223
                      Anonymous   Plastics: Nylon Knee . . . . . . . . . . 223--223
                      Anonymous   New Products: Hot Air Generator, Sprayed
                                  Hard-Facing, and more  . . . . . . . . . 224--231
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 232--233
                      Anonymous   Our Book Corner  . . . . . . . . . . . . 234--236
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 237--240
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 242--243
                      Anonymous   Announcement: An Announcement to Our
                                  Readers  . . . . . . . . . . . . . . . . 244--244
                      Anonymous   Engineering: Industrial Gases --- Tools
                                  and Materials in Steel Bottles . . . . . 245--248
                  G. P. Vincent   Chemistry in Industry: Sodium Chlorite
                                  Goes Commercial  . . . . . . . . . . . . 249--251
                     C. B. Dick   Metals in Industry: The Foundry of
                                  Tomorrow Today . . . . . . . . . . . . . 252--254
                  H. R. Clouser   Hard Faces Live Long . . . . . . . . . . 255--257
             P. J. Franklin and   
                    M. Weinberg   Electronics: Electronic Preserves  . . . 258--260
                   O. H. Coelln   Photography: Industry Looks To The
                                  Screen . . . . . . . . . . . . . . . . . 261--264
                      Anonymous   Engineering: Carbide Dies, Radio Grills
                                  Assembled, and more  . . . . . . . . . . 265--269
                      Anonymous   Photography: Light-Sensitive Glass,
                                  Spray Pattern  . . . . . . . . . . . . . 265--268
                      Anonymous   Industrial Digest: Specimens Preserved,
                                  Fires in Cotton, and more  . . . . . . . 266--269
                      Anonymous   Metals in Industry: True Carburizing . . 267--267
                      Anonymous   Chemistry in Industry: Synthetic Esters,
                                  Silver Nitrate Crystals  . . . . . . . . 268--269
                      Anonymous   New Products: Flow Pressure Fans, Slide
                                  Projector, and more  . . . . . . . . . . 270--277
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 278--279
               Nelson S. Knaggs   Our Book Corner  . . . . . . . . . . . . 280--282
              Albert G. Ingalls   Telescoptics: A Monthly Department for
                                  the Amateur Telescope Maker  . . . . . . 283--286
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 2--2
                      Anonymous   Announcement: An Announcement to Our
                                  Readers (II) . . . . . . . . . . . . . . 3--3
                 Karl Z. Morgan   Engineering: Radiation Safety: A New
                                  Industrial Problem . . . . . . . . . . . 5--8
                 Egon Glesinger   Forest Industry: One Third of Wood . . . 9--11
                  H. R. Clauser   Metals in Industry: Where Does Powder
                                  Metallurgy Stand Today?  . . . . . . . . 12--15
                 Neil Uptegrove   Petroleum: Recycling Conserves U.S.
                                  Natural Gas  . . . . . . . . . . . . . . 16--18
                D. H. Killeffer   Chemistry in Industry: The Pilot Plant's
                                  Value to Industry  . . . . . . . . . . . 19--23
               Homer Jensen and   
             Eugene F. Peterson   Electronics: Prospecting from the Air    24--26
                      Anonymous   Navigation Computer, Table-Top Tube
                                  Model  . . . . . . . . . . . . . . . . . 27--30
                      Anonymous   Engineering: Piercing Holes, Beveling
                                  Concrete, and more . . . . . . . . . . . 28--32
                      Anonymous   Industrial Digest: Radiant Baseboards,
                                  Embossing Thermoplastics, and more . . . 28--32
                      Anonymous   Metals in Industry: Anti-Friction
                                  Bearings, ``Impossible'' Machining, and
                                  more . . . . . . . . . . . . . . . . . . 29--32
                      Anonymous   Chemistry in Industry: Sugar Derivative  32--32
                      Anonymous   New Products: Fuel System Cleaner,
                                  Battery Tester, and more . . . . . . . . 33--39
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 40--41
                      Anonymous   Book Review: Book  . . . . . . . . . . . 42--44
              Albert G. Ingalls   Telescoptics: A Monthly Department for
                                  the Amateur Telescope Maker  . . . . . . 45--48
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 50--50
                      Anonymous   Announcement: An Announcement to Our
                                  Readers  . . . . . . . . . . . . . . . . 51--51
                   William Mann   Chemistry in Industry: Oxygen in
                                  Steelmaking  . . . . . . . . . . . . . . 53--56
                 Egon Glesinger   Forest Industry: One Third of Wood . . . 57--59
               Edwin Laird Cady   Engineering: Tubes in Manufacturing  . . 60--62
              James R. Turnbull   Plastics: The Arrival of Polystyrene . . 63--65
                     T. P. Kinn   Electronics: The Domain of Radio
                                  Frequency Heating  . . . . . . . . . . . 66--69
                  A. W. Haslett   Photography: Nuclear Photography . . . . 70--72
               H. A. McConville   Engineering: Lubricants for Electric
                                  Motors . . . . . . . . . . . . . . . . . 73--74
                      Anonymous   Electronics: Television Observation,
                                  Midget X-Ray Tube  . . . . . . . . . . . 75--76
                      Anonymous   Industrial Digest: Color Vision Limit,
                                  Treatment of Waste, and more . . . . . . 75--81
                      Anonymous   Engineering: Finer Castings, Whirl Pit
                                  Testing, and more  . . . . . . . . . . . 76--76
                      Anonymous   Plastics: Plastics Tested  . . . . . . . 76--76
                      Anonymous   Chemistry in Industry: Lead-Silica
                                  Pigment, Beta-Propiolactone, and more    76--77
                      Anonymous   Photography: Fastest Motion Picture
                                  Camera . . . . . . . . . . . . . . . . . 78--79
                      Anonymous   New Products: Cool Grinding Device,
                                  Portable Arc Welder, and more  . . . . . 82--87
                  K. M. Canavan   Current Bulletin Briefs  . . . . . . . . 88--88
                      Anonymous   Book Review: Books . . . . . . . . . . . 89--92
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 93--96
        
                      Anonymous   50 and 100 Years Ago: 50 Years Ago in
                                  \booktitleScientific American  . . . . . 98--98
                      Anonymous   Announcement: An Announcement to Our
                                  Readers  . . . . . . . . . . . . . . . . 99--99
                   William Mann   Chemistry in Industry: Phosphorus:
                                  Bearer of Light and Life . . . . . . . . 101--104
        Deane H. Uptegrove, Jr.   Electronics: Microwaves in Communication 105--108
                    E. W. Beggs   Chemistry in Industry: Photochemistry in
                                  Industry . . . . . . . . . . . . . . . . 109--114
             David F. Armstrong   Electronics: What To Look for in FM  . . 115--118
               Edwin Laird Cady   Engineering: Investment Casting  . . . . 119--121
                D. H. Killeffer   Industrial Consultants . . . . . . . . . 122--126
                      Anonymous   Carbide Boring Bars, Descaling Conveyor
                                  Chain, and more  . . . . . . . . . . . . 127--130
                      Anonymous   Industrial Digest: Industrial Adhesives,
                                  Aircraft Autopilot, and more . . . . . . 127--130
                      Anonymous   Chemistry in Industry: Alcohol from
                                  Rosin, Cumene Hydroperoxide, and more    128--129
                      Anonymous   New Products: Power Recorder, Decade
                                  Scaler, and more . . . . . . . . . . . . 131--135
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 136--136
                      Anonymous   Book Review: Books . . . . . . . . . . . 137--140
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 141--144
        
                      Anonymous   50 and 100 Years Ago: 50 and 100 Years
                                  Ago in \booktitleScientific American . . 146--146
                      Anonymous   Announcement: An Announcement to our
                                  Readers  . . . . . . . . . . . . . . . . 147--147
                E. S. Davenport   Metals in Industry: Progress in the Heat
                                  Treatment of Steel . . . . . . . . . . . 149--153
                Martin Sheridan   Engineering: The Worst Weather in the
                                  World  . . . . . . . . . . . . . . . . . 154--156
                   William Mann   Chemistry in Industry: Phosphorus:
                                  Bearer of Light and Life . . . . . . . . 157--160
                   John L. Kent   Engineering: Manufacturing Advances in
                                  Wartime Germany  . . . . . . . . . . . . 161--164
             David T. Armstrong   Electronics: What to Look for in FM  . . 165--168
           Harry Chapin Plummer   Engineering: The Settlement of Canada's
                                  Northland  . . . . . . . . . . . . . . . 169--172
               Harold A. Knight   Metals in Industry: Vacuum Metallurgy    173--175
                      Anonymous   Electronics: X-Ray Thickness Gage,
                                  Diamond Chip Amplifier, and more . . . . 176--177
                      Anonymous   Industrial Digest: Moisture Detector,
                                  Finger-Tip Aircraft Control, and more    177--177
                      Anonymous   Engineering: Expansion Fitting, Chilled
                                  Bismuth Dies, and more . . . . . . . . . 178--179
                      Anonymous   New Products: Silent Mercury Switch,
                                  Cotton Fiber Analyzer, and more  . . . . 180--183
                      Anonymous   Current Bulletin Briefs  . . . . . . . . 184--184
                      Anonymous   Book Review: Books . . . . . . . . . . . 185--188
              Albert G. Ingalls   Telescoptics . . . . . . . . . . . . . . 189--194
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--5
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 6--8
              Peter van Dresser   The Future of the Amazon . . . . . . . . 11--15
              Wilton M. Krogman   The Man-apes of South Africa . . . . . . 16--19
                John Q. Stewart   Concerning ``Social Physics''  . . . . . 20--23
                 Martin Gumpert   Vesalius: Discoverer of the Human Body   24--31
                      Anonymous   Science and the Citizen  . . . . . . . . 32--33
                Fred L. Whipple   The Dust Cloud Hypothesis  . . . . . . . 34--45
               E. Newton Harvey   The Luminescence of Living Things  . . . 46--49
                 Karl K. Darrow   Davisson and Germer  . . . . . . . . . . 50--53
                  Leonard Engel   Smelting under Pressure  . . . . . . . . 54--57
                   Ralph Linton   Books  . . . . . . . . . . . . . . . . . 58--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 1--1
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 2--4
           Alfred Winslow Jones   The National Science Foundation  . . . . 7--11
                 Martin Gumpert   Histoplasmosis: The Unknown Infection    12--15
            T. C. Schneirla and   
                    Gerard Piel   The Army Ant . . . . . . . . . . . . . . 16--23
                      Anonymous   Science and the Citizen  . . . . . . . . 24--25
                 George W. Gray   The Ultimate Particles . . . . . . . . . 26--39
                  Florence Moog   The Biology of Old Age . . . . . . . . . 40--43
              Francis R. Steele   ``If a Slave Girl Fled \ldots '  . . . . 44--47
         Donald Culross Peattie   White Pine . . . . . . . . . . . . . . . 48--53
                James R. Newman   Srinivasa Ramanujan  . . . . . . . . . . 54--57
                 Abram Kardiner   Books  . . . . . . . . . . . . . . . . . 58--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 1--2
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 4--6
                      Anonymous   Recovery of Europe . . . . . . . . . . . 9--15
                    The Editors   Recovery of Europe (C.E. Report) . . . . 9
               Loren C. Eiseley   Antiquity of Modern Man  . . . . . . . . 16--19
                   George Gamow   Galaxies in Flight . . . . . . . . . . . 20--25
                    Bela Schick   Allergy: A Definition  . . . . . . . . . 26--29
                      Anonymous   Science and the Citizen  . . . . . . . . 30--31
          Frederick A. Saunders   Physics and Music  . . . . . . . . . . . 32--41
                   Lorus J. and   
               Margery J. Milne   Insect Vision  . . . . . . . . . . . . . 42--45
             Lorus J. Milne and   
               Margery J. Milne   Insect Vision  . . . . . . . . . . . . . 42
             Raymond E. Janssen   The Beginnings of Coal . . . . . . . . . 46--51
                  Leonard Engel   The Philips Air Engine . . . . . . . . . 52--55
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 56--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 2--4
                  H. H. Finnell   The Dust Storms of 1948  . . . . . . . . 7--11
              Albert G. Ingalls   A Night on Palomar . . . . . . . . . . . 12--17
                   August Krogh   The Language of the Bees . . . . . . . . 18--21
                      Anonymous   Science and the Citizen  . . . . . . . . 22--23
          Eugene I. Rabinowitch   Photosynthesis . . . . . . . . . . . . . 24--35
               I. Bernard Cohen   In Defense of Benjamin Franklin  . . . . 36--43
                 Irvine H. Page   High Blood Pressure  . . . . . . . . . . 44--47
             William F. Meggers   Measurement by Mercury . . . . . . . . . 48--53
                James R. Newman   Mathematical Creation  . . . . . . . . . 54--57
                 Abram Kardiner   Books  . . . . . . . . . . . . . . . . . 58--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--61
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--3
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 4--6
                 F. Julius Fohs   Middle East Oil  . . . . . . . . . . . . 9--15
                 Harry M. Davis   Radio Waves and Matter . . . . . . . . . 16--23
          Elizabeth A. Ferguson   Primitive Medicine . . . . . . . . . . . 24--27
                      Anonymous   Science and the Citizen  . . . . . . . . 28--29
               George W. Beadle   The Genes of Men and Molds . . . . . . . 30--39
         Donald Culross Peattie   Shagbark Hickory . . . . . . . . . . . . 40--43
                Ralph W. Gerard   The Dynamics of Inhibition . . . . . . . 44--49
                 Arthur Roberts   ``How Nice to be a Physicist'' . . . . . 50--51
               Frank H. Rockett   The Transistor . . . . . . . . . . . . . 52--55
                 W. R. Chapline   Books  . . . . . . . . . . . . . . . . . 56--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
               Frank H. Rockett   The Transistor: Basic research in the
                                  electrical properties of solids has
                                  opened up an entirely new way of
                                  manipulating electrons to do useful work ??
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 1--1
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 2--4
                  Leonard Engel   The Bingham Plan . . . . . . . . . . . . 7--13
                 Thaddeus Stern   Long-Range Forces  . . . . . . . . . . . 14--17
                      Anonymous   World's Accelerators . . . . . . . . . . 18--19
              Bernhard Gottlieb   A New Theory of Tooth Decay  . . . . . . 20--23
                      Anonymous   Science and the Citizen  . . . . . . . . 24--25
                 George W. Gray   ``The Great Ravelled Knot''  . . . . . . 26--39
                   George Gamow   Origin of the Ice  . . . . . . . . . . . 40--45
                   Lorus J. and   
               Margery J. Milne   Right Hand, Left Hand  . . . . . . . . . 46--49
               Eugene G. Rochow   The Chemistry of Silicones . . . . . . . 50--53
               I. Bernard Cohen   Books  . . . . . . . . . . . . . . . . . 54--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--3
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 4--6
                Herbert Yahraes   Labrador Iron  . . . . . . . . . . . . . 9--13
                 Norbert Wiener   Cybernetics  . . . . . . . . . . . . . . 14--19
         Donald Culross Peattie   Spruce, Balsam and Birch . . . . . . . . 20--23
                      Anonymous   Science and the Citizen  . . . . . . . . 24--25
               Armin J. Deutsch   The Sun  . . . . . . . . . . . . . . . . 26--39
                  W. D. Ellison   Erosion by Raindrop  . . . . . . . . . . 40--45
          Max Delbrück and   
       Mary Bruce Delbrück   Bacterial Viruses and Sex  . . . . . . . 46--51
                  Florence Moog   Gulliver was a Bad Biologist . . . . . . 52--55
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 56--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 1--1
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 2--4
                  Rensis Likert   Public Opinion Polls . . . . . . . . . . 7--11
            Frank H. H. Roberts   A Crisis in U.S. Archaeology . . . . . . 12--17
              Donald R. Griffin   The Navigation of Birds  . . . . . . . . 18--25
                      Anonymous   Science and the Citizen  . . . . . . . . 26--27
               John E. Pfeiffer   Enzymes  . . . . . . . . . . . . . . . . 28--39
             Harry S. N. Greene   On the Development of Cancer . . . . . . 40--43
                 Dirk J. Struik   Stone Age Mathematics  . . . . . . . . . 44--49
              Roger J. Williams   Alcoholics and Metabolism  . . . . . . . 50--53
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 54--57
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 58--61
                      Anonymous   An Index of Articles and Authors . . . . 62--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--3
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 4--7
                  Groff Conklin   Cancer and Environment . . . . . . . . . 11--15
                Herbert Yahraes   The Arrival of Acetylene . . . . . . . . 16--21
                    Erich Fromm   The Oedipus Myth . . . . . . . . . . . . 22--27
                      Anonymous   Science and the Citizen  . . . . . . . . 28--29
           David I. Blumenstock   The Upper Atmosphere . . . . . . . . . . 30--39
                  Carl B. Boyer   The Invention of Analytic Geometry . . . 40--45
              Bradford Washburn   Mapping Mount McKinley . . . . . . . . . 46--51
              Wilton M. Krogman   The Record of Human Illness  . . . . . . 52--55
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 56--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--3
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 4--7
               John E. Pfeiffer   The Office of Naval Research . . . . . . 11--15
          Joseph T. Klapper and   
               Charles Y. Glock   Trial by Newspaper . . . . . . . . . . . 16--21
                Leonard B. Loeb   The Mechanism of Lightning . . . . . . . 22--27
                      Anonymous   Science and the Citizen  . . . . . . . . 28--29
                Martin D. Kamen   Tracers  . . . . . . . . . . . . . . . . 30--41
                    L. Don Leet   Microseisms  . . . . . . . . . . . . . . 42--45
                   Lorus J. and   
               Margery J. Milne   Temperature and Life . . . . . . . . . . 46--49
                   Werner Wolff   Three Mysteries of Easter Island . . . . 50--55
                Y. H. Krikorian   Books  . . . . . . . . . . . . . . . . . 56--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--4
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 6--8
              P. M. S. Blackett   Is the Atomic Bomb an Absolute Weapon?   13--15
              Louis N. Ridenour   A U.S. Physicist's Reply to Professor
                                  Blackett . . . . . . . . . . . . . . . . 16--19
       P. C. Constantinides and   
                    Niall Carey   The Alarm Reaction . . . . . . . . . . . 20--23
                      Anonymous   Science and the Citizen  . . . . . . . . 24--27
                 George W. Gray   Cosmic Rays  . . . . . . . . . . . . . . 28--39
               Edwin H. Colbert   The Ancestors of Mammals . . . . . . . . 40--43
               Paul Kirkpatrick   The X-Ray Microscope . . . . . . . . . . 44--47
                   James Bonner   Chemical Warfare Among the Plants  . . . 48--51
                Banesh Hoffmann   The Influence of Albert Einstein . . . . 52--55
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 56--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--3
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 4--6
                 Brock Chisholm   Social Medicine  . . . . . . . . . . . . 11--15
                      Anonymous   The AEC's Isotopes . . . . . . . . . . . 16--17
                   Leo Rane and   
                   Dora S. Rane   Aureomycin . . . . . . . . . . . . . . . 18--23
                      Anonymous   Science and the Citizen  . . . . . . . . 24--27
                 Harry M. Davis   Mathematical Machines  . . . . . . . . . 28--39
             Francis P. Shepard   Submarine Canyons  . . . . . . . . . . . 40--43
           George de Santillana   Greek Astronomy  . . . . . . . . . . . . 44--47
             George A. W. Boehm   Titanium: A New Metal  . . . . . . . . . 48--51
                   Paul A. Zahl   The Evolution of Sex . . . . . . . . . . 52--55
              Peter van Dresser   Books  . . . . . . . . . . . . . . . . . 56--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--3
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 4--6
             Samuel A. Stouffer   A Study of Attitudes . . . . . . . . . . 11--15
                 George W. Gray   Pauling and Beadle . . . . . . . . . . . 16--21
              Oskar Morgenstern   The Theory of Games  . . . . . . . . . . 22--25
                      Anonymous   Science and the Citizen  . . . . . . . . 26--29
                      Willy Ley   Rockets  . . . . . . . . . . . . . . . . 30--39
                Victor Schocken   Plant Hormones . . . . . . . . . . . . . 40--43
                    Erich Fromm   The Nature of Dreams . . . . . . . . . . 44--47
          Edward S. Deevey, Jr.   Living Records of the Ice Age  . . . . . 48--51
                  Karl A. Clark   The Athabaska Tar Sands  . . . . . . . . 52--55
                   E. U. Condon   Books  . . . . . . . . . . . . . . . . . 56--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--3
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 4--6
               Michael M. Davis   National Health Insurance  . . . . . . . 11--15
                    C. W. Wolfe   The Blister Hypothesis . . . . . . . . . 16--21
               A. Szent-Gyorgyi   Muscle Research  . . . . . . . . . . . . 22--25
                      Anonymous   Science and the Citizen  . . . . . . . . 26--29
                 Harry M. Davis   Low Temperature Physics  . . . . . . . . 30--39
        William Linn Westermann   Ancient Slavery  . . . . . . . . . . . . 40--43
              John Tyler Bonner   The Social Amoebae . . . . . . . . . . . 44--47
                      Anonymous   Trapped Light  . . . . . . . . . . . . . 48--49
                Fredric Wertham   The Prevention of Murder . . . . . . . . 50--55
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 56--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--3
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 4--6
                  Warren Weaver   The Mathematics of Communication . . . . 11--15
                 Elvin A. Kabat   Allergic Mechanisms in Nervous Disease   16--19
               Ralph B. Baldwin   The Craters of the Moon  . . . . . . . . 20--24
                      Anonymous   Science and the Citizen  . . . . . . . . 26--29
                   Leon Svirsky   The Atomic Energy Commission . . . . . . 30--43
                Hudson Hoagland   Schizophrenia and Stress . . . . . . . . 44--47
          Alfred Sherwood Romer   Louis Agassiz  . . . . . . . . . . . . . 48--51
               Cecil K. Drinker   The Physiology of Whales . . . . . . . . 52--55
               I. Bernard Cohen   Books  . . . . . . . . . . . . . . . . . 56--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--2
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 4--6
                   Ralph Linton   The Personality of Peoples . . . . . . . 11--15
                Wallace O. Fenn   Potassium  . . . . . . . . . . . . . . . 16--21
                      Anonymous   Hittite Citadel  . . . . . . . . . . . . 22--23
                      Anonymous   Science and the Citizen  . . . . . . . . 24--25
                 George W. Gray   The Antibiotics  . . . . . . . . . . . . 26--35
                   Harry F. and   
         Margaret Kuenne Harlow   Learning to Think  . . . . . . . . . . . 36--39
               I. Bernard Cohen   Galileo  . . . . . . . . . . . . . . . . 40--47
                   P. M. Hurley   Radioactivity and Time . . . . . . . . . 48--51
                 Ralph M. Evans   Seeing Light and Color . . . . . . . . . 52--55
                    J. L. Walsh   Books  . . . . . . . . . . . . . . . . . 56--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--4
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 6--8
               John E. Pfeiffer   Woods Hole in 1949 . . . . . . . . . . . 13--17
            William McD. Hammon   Encephalitis . . . . . . . . . . . . . . 18--21
                 Orvis C. Irwin   Infant Speech  . . . . . . . . . . . . . 22--24
                      Anonymous   Science and the Citizen  . . . . . . . . 26--32
                    Grote Reber   Radio Astronomy  . . . . . . . . . . . . 34--41
                      Anonymous   Psychiatric Films  . . . . . . . . . . . 42--43
                 Jerzy Konorski   Pavlov . . . . . . . . . . . . . . . . . 44--47
                 David E. Green   Enzymes in Teams . . . . . . . . . . . . 48--51
                     F. W. Went   The Plants of Krakatoa . . . . . . . . . 52--54
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 56--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--3
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 4--6
                 Leopold Infeld   Visit to Dublin  . . . . . . . . . . . . 11--15
                Gordon A. Riley   Food from the Sea  . . . . . . . . . . . 16--19
                      Anonymous   Bomb Tests . . . . . . . . . . . . . . . 20--21
                     Eric Ashby   Leaf Shape . . . . . . . . . . . . . . . 22--24
                      Anonymous   Science and the Citizen  . . . . . . . . 26--29
           René J. Dubos   Tuberculosis . . . . . . . . . . . . . . 30--41
                    Otto Struve   Double Stars . . . . . . . . . . . . . . 42--45
         Richard B. Goldschmidt   Phenocopies  . . . . . . . . . . . . . . 46--49
                Fredric Wertham   Freud Now  . . . . . . . . . . . . . . . 50--54
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 56--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--3
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 4--6
             Chester I. Barnard   Arms Race v. Control . . . . . . . . . . 11--13
                   Otto Laporte   Shock Waves  . . . . . . . . . . . . . . 14--19
                   Robert Broom   The Ape-Men  . . . . . . . . . . . . . . 20--24
                      Anonymous   Science and the Citizen  . . . . . . . . 26--31
                Edwin P. Hubble   Five Historic Photographs from Palomar   32--39
                 Leopold Infeld   Visit to England . . . . . . . . . . . . 40--43
                   J. H. Simons   Fluorocarbons  . . . . . . . . . . . . . 44--47
                      Anonymous   Democritus on the Atom . . . . . . . . . 48--49
            Philip Morrison and   
                 Emily Morrison   Natural History of a Virus . . . . . . . 50--53
                James R. Newman   Books  . . . . . . . . . . . . . . . . . 54--59
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 60--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64
        
                      Anonymous   Letters  . . . . . . . . . . . . . . . . 2--3
                      Anonymous   Errata . . . . . . . . . . . . . . . . . 3--3
                      Anonymous   50 and 100 Years Ago . . . . . . . . . . 4--6
                 George W. Gray   The Nobel Prizes . . . . . . . . . . . . 11--17
                   George Gamow   Supernovae . . . . . . . . . . . . . . . 18--21
                  S. Meryl Rose   Transformed Cells  . . . . . . . . . . . 22--24
                      Anonymous   Science and the Citizen  . . . . . . . . 26--31
                   Eugene Ayres   The Fuel Problem . . . . . . . . . . . . 32--39
                 Leopold Infeld   Visit to Poland  . . . . . . . . . . . . 40--43
                      Anonymous   Ocean's Floor  . . . . . . . . . . . . . 44--45
                 Walter G. Cady   Crystals and Electricity . . . . . . . . 46--51
                James R. Newman   Children's Books . . . . . . . . . . . . 52--57
              Albert G. Ingalls   The Amateur Astronomer . . . . . . . . . 58--61
                      Anonymous   An Index of Articles and Authors . . . . 62--63
                      Anonymous   Bibliography . . . . . . . . . . . . . . 64--64