Figure 51. — Independent Managements Utilizing Re- 

 search, Distributed According to Corporate Size: 1940 182 



Figure 52. — Number of Research Workers Employed by 



the Corporate Units in Various Sized Groups: 1940 183 



Figure 53. — The Average Research Staffs Maintained by 



Corporate Units of Various Sizes: 1940 184 



Figure 54. — Research Staffs Maintained by Corporate 



Units of Various Sizes in the Chemical Industry: 1940 185 



Figure 55.- — The Average Research Staffs Maintained by 

 Various Corporate I'nits l)i.strib\ited According to 

 Sales and to Net Income: 1938 18C 



Figure 56. — The National Physical Laboratory, Ted- 

 dington, England. (After A. W. Hobart) 190 



Figure 57. — Kaiser Wilhelni Institute for Iron and Steel 

 Research, Diisseldorf, Germany. (Photo, Siahl und 

 Eisen) 198 



Figure 58. — Laboratory of the German Interessen 

 Gesellschaft Farbenindustrie. (Photo, Chcmnyco, In- 

 corporated) 200 



Figure 59. — Bacteriological Analyses by Students, 

 Institute of Research, Berlin, Germany. (Photo, 

 German Library of Information) 202 



Figure 60. — The Wellcome Research Institution, London, 



England 203 



Figure 61. — The Paint Research Station, Teddington, 



England 204 



Figure 62. — High-Speed Wind Tunnel, Government 

 Aviation Research Center, Guidonia, Italy. (Hamil- 

 ton Wright Photo) 208 



Figure 03. — Jungfrau Institute for Scientific Research, 



The Jungfrau, Switzerland. (R. Schudel Photo) 212 



Figure 64. — Hydrogen Liquifier in the Cryogenic Hall of 

 the Institute of Physical Problems of the Academy of 

 Sciences of the L^nion of Soviet Socialist Republics. 

 (Soviet Foto Agency) 214 



Figure 65. — Laboratories of the National Research 



Council, Ottawa, Canada 218 



Figure 66. — Research and Development Laboratories, 

 Bakelite Corporation, Bloomfield, New Jersey. (Unit 

 of Union Carbide and Carbon Corporation) 224 



Figure 67. — Research Laboratory, Monsanto Chemical 



Company, St. Louis, Missouri 225 



Figure 68. — A Chemical Research Laboratory, E. 1. 

 du Pont de Nemours and Company, Incorporated, 

 Wilmington, Delaware 228 



Figure 69. — Main Library, The Dow Chemical Com- 

 pany, Midland, Michigan 231 



Figure 70. — Entrance to Research Laboratory, Abbott 



Laboratories, North Chicago, Illinois 233 



Figure 71. — Vacuum Tubes for the Production of Ultra- 

 short Electromagnetic Waves, Bell Telephone Labora- 

 tories, New York, New York 238 



Figure 72. — High-Speed Photographs of Combustion in 

 Gasoline Engine, General Motors Corporation, Detroit, 

 Michigan 244 



Figure 73. — Photoelastic Pattern of Roller Bearing 

 Stresses. Points of Maximum Stress Occur Where 

 the Lines are Spaced the Closest, Timken Roller 

 Bearing Company, Canton, Ohio 245 



Figure 74. — Electron Diffraction Pattern of (a) Plated 

 and (6) Stripped Metal Surface. (After H. R. Nelson) 246 



Figure 75. — Motion of a Pelton Wheel Frozen with the 

 Aid of High-Speed Photography. (After Harold E. 

 Edgerton) 246 



Figure 76. — The "Atom Smasher," Westinghouse Re- 

 search Laboratory, East Pittsburgh, Pennsylvania 247 



I'llKC 



Figure 77. — Viscosimeter for Determination of the Abso- 

 lute Viscosity of Glass, Owens-Illinois Glass Companj', 

 Toledo, Ohio 248 



Figure 78. — Organized Physics in America 250 



Figure 79.^Studying 0.\idation-Reduction Systems, 



Fleischmann Laboratories, New York, New York 255 



Figure 80. — Corner of Food Technology Laboratory, 



General Foods Corporation, Hoboken, New Jersey 257 



Figure 81. — Photoelectric Colorimeter for Measuring 

 Amount of Vitamin .\ in Foods, Purina Mills, St. Louis, 

 Missouri 258 



Figure 82. — Corner of Research Lal)cn'atory, Swift and 



Company, Chicago, Illinois 259 



Figure 83.— Determination of Thermal Death Time of 

 Micro-organisms, H. J. Heinz Laboratories, Pittsburgh, 

 Pennsylvania 203 



Figure 84. — Determinants 274 



Figure 85. — Bicircular Coordinates 276 



Figure 86. — Continued Fractions 278 



Figure 87. — Elliptic Integrals 280 



Figure 88.— The Isograph 282 



Figure 89. — Templin Precision Metal Working Machine, 

 Aluminimi Research Laboratories, Aluminum Com- 

 pany of America, New Kensington, Pennsylvania 290 



Figure 90. — Spectroscopic E.vamination of Metals, 



Chrysler Corporation, Detroit, Michigan 291 



Figure 91. — Pilot Plant for Study of Soybean Oil Extrac- 

 tion, Ford Motor Company, Saline, Michigan 308 



Figure 92. — Chemical Engineering Laboratory, Alumi- 

 num Research Laboratories, Ahmiinum Company of 

 America, New Kensington, Pennsylvania 309 



Figure 93. — Modern Dubbscracking Plant, Modeled in 

 Wood, Equiflux Heater at Left, Universal Oil Products 

 Company, Chicago, Illinois 312 



Figure 94. — Pilot Plant for Manufacture of Chemicals 

 from Petroleum, Emeryville Laboratories, Shell Devel- 

 opment Company, P^meryville, California 313 



Figure 95. — .Assembling of Million-Volt X-ray Unit, 



General Electric Company, Schenectady, New York 318 



Figure 96. — Vacuum Electric Furnace for Production of 

 Single Crystals of Gold and Copper. Westinghouse 

 Electric and Manufacturing Company, East Pitts- 

 burgh, Pennsylvania 319 



Figure 97. — Surge Generator, Wagner Electric Corpora- 

 tion, St. Louis, Missouri 321 



Figure 98. — Equipment for Investigation of Heat Dis- 

 tribution in a Conventional Railway Journal Box As- 

 sembly, Railway Service and Supply Corporation, 

 Indianapolis, Indiana 330 



Figure 99. — "Squeeze" Test Machine for Subjecting 

 Passenger Cars to Compression Load of 900,000 pounds, 

 Pennsylvania Railroad Research Laboratories, Altoona, 

 Pennsylvania 331 



Figure 100. — Wind Tunnel Apparatus, Aerodynamics 



Laboratory, Chrysler Corporation, Detroit, Michigan 336 



Figure 101. — Six-Plate Centrifugal Molecular Fraction- 

 ating Still in Operation, Distillation Products, Incor- 

 porated, Rochester, New York. (Subsidiary of General 

 Mills, Incorporated, and Eastman Kodak Company) 355 



Figure 102. — Research Department Library, American 



Can Company, Maywood, Illinois 357 



Figure 103. — Source of Pure Beams of Protons for Bio- 

 physical Research 359 



Figure 104. — National Academy of Sciences and Na- 

 tional Research Council, Washington, D. C. 367 



