Progress in Photographic Instrumentation in 1950

Bibliographic Reference(s)

• High-Speed Photography of Reflection-Lighted Objects in Transonic Wind Tunnel Testing [Active]
• U.S. Naval Underwater Cinematography Techniques [Active]
• Infrared Photography with Electric-Flash [Active]
• A 100,000,000 Frame per Second Camera [Active]
• Simplification of Motion Picture Processing Methods [Active]
• A 16-Mm Rapid Film Processor [Active]
• The Pressurized Ballistics Range at the Naval Ordnance Laboratory [Active]
• The Stroboscope as a Light Source for Motion Pictures [Active]
• Motion Picture Color Photography of Color Television Images [Active]
• A Simplified Body-Cavity Camera [Active]
• Letters to the Editor [Active]
• The Open-Air Concentrated-Arc Lamp [Active]
• The Metal-Diazonium System for Photographic Reproductions [Active]
• An Improved Photomultiplier Tube Color Densitometer [Active]
• Electrical and Radiation Characteristics of Flashlamps [Active]
• Photography in the Rocket-Test Program [Active]
• High-Speed Processing of 35-Mm Pictures [Active]
• Physical Principles, Design and Performance of the Ventarc High-Intensity Projection Lamps [Active]
• The High-Speed Photography of Underwater Explosions [Active]
• Interference Mirrors for Arc Projectors [Active]
• 1. Mees C. E. K. , Theory of the Photographic Process , MacMillan , New York , 1942 . EXTERNAL
• 2. Hoffleit D. , Sky and Telescope , 9 : 207 – 10 , July 1950 . EXTERNAL
• 3. Muybridge E. , Animal Locomotion , J. S. Lippencott , Philadelphia , 1888 . EXTERNAL
• 4. Clerc L. P. , Editor, Science et Industries Photographiques , France. EXTERNAL
• 5. Photographic Abstracts , Royal Photographic Society of Great Britain . EXTERNAL
• 6. Monthly Abstract Bulletin of the Kodak Research Laboratories, Rochester, N. Y. EXTERNAL
• 7. Ansco Abstracts . EXTERNAL
• 8. Physics Abstracts , issued monthly by the Institution Elec. Eng. (England) with the Physical Soc., Amer. Phys. Soc., and the AIEE. EXTERNAL
• 9. Worthington A. M. , A Study of Splashes , Longmans , New York , 1908 . EXTERNAL
• 10. Conrady , et al, Photography as a Scientific Implement , Blackie & Sons , London , 1923 . EXTERNAL
• 11. Cranz C. , Lehrbuch der Ballistik , Band 3 , Springer , Berlin , 1927 . EXTERNAL
• 12. Fink L. , Photographische Messtechnik , Oldenbourg , Munchen , 1940 . EXTERNAL
• 13. Tupholme C. H. S. , Photography in Engineering , Faber and Hyperion Press , London , 1945 . EXTERNAL
• 14. Magnan A. , Premiers Essais de Cinématographie Ultrarapide , Hermann et Cie , Paris , 1932 . EXTERNAL
• 15. Magnan A. , Cinématographie jusqu'à 12,000 Vues per Second , Hermann et Cie , Paris , 1932 . EXTERNAL
• 16. Fayolle P. Naslin P. , Photographic Instantane et Cinématographic Ultrarapide , Editions de la Revue d'Optique , Paris , 1950 . EXTERNAL
• 17. Selwyn E. W. H. , Photography in Astronomy , Eastman Kodak Co. , New York , 1950 . EXTERNAL
• 18. Bourne H. K. , Discharge Lamps for Photography and Projection , Chapman , London , 1948 . EXTERNAL
• 19. Hercock R. J. , The Photographic Recording of Cathode Ray Tube Traces , Ilford Ltd. , London , 1947 . EXTERNAL
• 20. Powell C. F. Occhialini G. P. S. , Nuclear Physics in Photographs , Clarendon Press , Oxford , 1947 . EXTERNAL
• 21. Yagoda H. , Radioactive Measurements with Nuclear Emulsions , John Wiley & Sons , New York , 1949 . EXTERNAL
• 22. Spencer D. A. , Editor, Progress in Photography, 1940–1950 , Focal Press , London and New York , 1951 . EXTERNAL
• 23. Bourot J. M. , Chronophotographie des Champs Aerodynamiques , Publications Scientifiques et Techniques du Ministre de L'Air , Paris , 1949 . EXTERNAL
• 24. Thevenard P. Tassel G. , Le Cinéma Scientifique Français , La Jeune Parque , Paris , 1948 . EXTERNAL
• 25. Lacmann O. , Die Photogrammetrie in ihrer Anwendung auf Nichttopographischen Gebieten , S. H. Verlag , Leipzig , 1950 . EXTERNAL
• 26. “Low Cost 16-mm Camera for Rocket Photography,” Mueser R. E. Irvine T. F. Jr. , J. Am. Rocket Soc. , 82 : 119 – 25 , Sept. 1950 . EXTERNAL
• 27. “2000 m.p.h. Timing Equipment,” Rev. Sci. Instr. , 21 , 889 Oct. 1950 . EXTERNAL
• 29. “Hand-Held High-Speed Motion Picture Camera,” Marcus B. , Phot. Eng. , 1 : 57 , Apr. 1950 . EXTERNAL
• 31. “Cinematographic Analysis of Rapid Movements,” Bull L. , Mesures , 15 : 329 – 333 , Aug. 1950 . EXTERNAL
• 32. “100,000,000-Frame-Per-Second Camera,” Sultanoff M. , Rev. Sci. Instr. , 21 : 653 , July 1950 . EXTERNAL
• 33. “Simple Device for Ultra-high-speed Photography,” Bartels H. Eiselt B. , Optik , p. 56 , Jan. 1950 . EXTERNAL
• 34. “Multiple Kerr Cell Camera,” Zarem A. M. Marshall F. R. , Rev. Sci. Instr. , 21 : 514 – 19 , June 1950 . EXTERNAL
• 35. “Kerr Cell Camera and Flash Illumination Unit for Ballistic Photography,” Quinn H. F. McKay W. B. Bourque O. J. , J. Appl. Phys. , 21 : 995 – 1001 , Oct. 1950 . EXTERNAL
• 36. “Operation and Photographic Characteristics of Kerr Cell Type Electro-Optical Shutter,” Holtham A. E. J. Prime H. A. , Proc. Phys. Soc., London , B63 , No. 368 : 561 – 72 , Aug. 1950 . EXTERNAL
• 37. “A High-Speed Camera with Electronic Controls,” Bowersox R. B. , Jet Propulsion Laboratory, California Institute of Technology . Paper K-9 , American Physical Society , Dec. 1950 . EXTERNAL
• 38. “The Development of High-Speed Photography and the Electrically Controlled Camera Shutter,” Windischbauer H. , Phot. Korr. , 85 : 100 – 104 , Dec. 1950 . EXTERNAL
• 39. “Iconoscope Electro-Optical Shutter for High-Speed Photography,” Prime H. A. Turnock R. C. , Rev. Sci. Instr. , 20 : 830 , Nov. 1949 ;. EXTERNAL
• 39a. Proc. Inst. Elec. Eng.(II) , 97 : 793 – 96 , Dec. 1950 . EXTERNAL
• 40. “A New Method for the Photographic Study of Fast Transient Phenomena,” Courtney-Pratt J. S. , Research , 2 , No. 6 : 287 – 94 , June 1949 . EXTERNAL
• 41. “Simultaneous Photography of Self-Luminous and Non-Self-Luminous Effects,” Rinehart J. S. , Rev. Sci. Instr. , 21 : 939 – 940 , Nov. 1950 . EXTERNAL
• 42. “The Formation of a Blast Wave by a Very Intense Explosion, II. The Atomic Explosion of 1945,” Taylor G. , Proc. Roy. Soc., London , A201 : 175 – 86 , Mar. 1950 . EXTERNAL
• 43. “Photography and Study of Underwater Missiles,” Christie W. H. , PSA Journal , 16B : 55 , Aug. 1950 . EXTERNAL
• 45. “Augmented Flames in Half-Open Tubes,” Evans M. W. Scheer M. D. Schoen L. J. Miller E. L. , J. Appl. Phys. , 21 : 44 – 8 , Jan. 1950 . EXTERNAL
• 46. “Study of Crack Propagation Using High-Speed Motion Pictures,” Fusfeld H. I. Fader J. C. , J. Appl. Phys. , 21 : 261 – 2 (Letter to Ed.), March 1950 . EXTERNAL
• 47. “The Development and Deionization Time of Heavy-Current AC Arcs,” Forrest J. S. , Brit. J. Appl. Phys. , 1 : 10 – 13 , Jan. 1950 . EXTERNAL
• 48. “The Behavior of the Cathode Spot on an Undisturbed Liquid Surface of Low Work Function,” Froome K. D. , Proc. Phys. Soc., London , 63B : 377 – 85 , June 1950 . EXTERNAL
• 49. “The Retrograde Motion of the Arc Cathode Spot” Gallagher C. J. J. Appl. Phys. , 21 : 768 – 71 , Aug. 1950 . EXTERNAL
• 50. “The Analogy between Hydraulic Jumps in Liquids and Shock Waves in Gases,” Gilmore F. R. Plesset M. S. Crossley H. E. Jr. , J. Appl. Phys. , 21 : 243 – 9 , March 1950 . EXTERNAL
• 51. “The Virtual Mass of a Sphere Entering Water Vertically,” May A. Woodhull J. C. , J. Appl. Phys. , 21 : 1285 – 89 , Dec. 1950 . EXTERNAL
• 52. “Cinematographic Recording of the Velocity of Arterial Blood Flow,” Potter J. M. McDonald D. A. , Nature , 166 : 596 – 7 , Oct. 1950 . EXTERNAL
• 53. “The Impact of Raindrops on Fabrics,” Karrholm M. Karrholm G. , Textile Research J. , 20 : 215 , Apr. 1950 . EXTERNAL
• 54. “High - Speed Motion Pictures in Textile Research,” Fisher D. K. Burnett J. C. , Textile Research J. , 20 : 259 – 269 , Apr. 1950 . EXTERNAL
• 55. “High-Speed Camera Registers Physical Reaction of Iron Making,” Steel , 126 , 119 Mar. 1950 . EXTERNAL
• 56. “High-Speed Photography in Paper Mill Maintenance,” Niemeyer W. H. , Paper Trade J. , 131 : 22 , July 1950 . EXTERNAL
• 57. “High - Speed Motion Pictures Detect Defects in Design,” Waller L. G. , Machine Design , 22 : 143 – 5 , Dec. 1950 . EXTERNAL
• 58. “Four Cameras for Research in the Aeronautical Field,” St. Thomas Jean , Phot. Eng. , 1 : 76 – 93 , July 1950 . EXTERNAL
• 59. “A Technique for Taking Motion Pictures of Electron Microscope Images,” Preuss L. E. Watson J. H. L. , J. Appl. Phys. , 21 : 902 – 3 , Sept. 1950 . EXTERNAL
• 60. “Motion Picture Studies of Electron Bombardment of Colloidal Crystals,” Watson J. H. L. Preuss L. E. , J. Appl. Phys. , 21 : 904 – 7 , Sept. 1950 . EXTERNAL
• 61. “A Dust Electricity Analyzer,” Kunkel W. B. Hansen J. W. , Rev. Sci. Instr. , 21 : 308 – 14 , Apr. 1950 . EXTERNAL
• 62. “The Static Electrification of Dust Particles on Dispersion into a Cloud,” Kunkel W. B. , J, Appl. Phys. , 21 : 820 – 32 , Aug. 1950 . EXTERNAL
• 63. “Charge Distribution in Coarse Aerosols as a Function of Time,” Kunkel W. B. , J. Appl. Phys. , 21 : 833 – 37 , Aug. 1950 . EXTERNAL
• 64. “Preliminary Report on High Altitude Photography,” Holliday C. T. , Phot. Eng. , 1 : 16 , Jan. 1950 . EXTERNAL
• 65. “Photographic Determination of the Orientation of a Rocket,” Fraser L. W. Ostrander R. S. , Phot. Eng. , 1 : 105 , Oct. 1950 . EXTERNAL
• 66. “The Propagation of Flames in Tubes,” Wheatley P. J. , Fuel , 29 : 80 – 3 , Apr. 1950 . EXTERNAL
• 67. “The Field of Flow Near a Free-Burning Carbon Arc,” Hagenah W. , Z. Physik , 128 ( No. 2 ): 279 – 88 , 1950 . EXTERNAL
• 68. “Method Analysis by Motion Pictures,” Vogler W. A. DuBois T. R. , Advanced Management , 15 : 5 – 7 , Apr. 1950 . EXTERNAL
• 69. “New Pace Scale Aids Time Studies; Film Record of Known Levels of Performance,” Lehrer R. N. , Factory Management , 108 : 86 , Apr. 1950 . EXTERNAL
• 70. “Time-Motion Improvements Come Faster with Films: Corn Plant Huskers,” Nadler G. , Food Inds. , 22 : 601 – 2 , Apr. 1950 . EXTERNAL
• 71. “Polaroid-Land Camera Modified for Oscilloscope Recording to Produce Prints One Minute After Exposure,” Blutman E. , Tele-Tech , 9 : 72 , Apr. 1950 . EXTERNAL
• 72. “Techniques of Photo-Recording,” Mansberg H. P. , A. B. DuMont Oscillographer , 12 : 3 – 16 , No. 2 , Apr-June 1950 . EXTERNAL
• 73. “Photographing Test Patterns,” Garner L. E. Jr. , Electronics , 23 : 138 , Feb. 1950 . EXTERNAL
• 74. “Improved Cathode Ray Photographs,” Fulmer N. , Electronics , 23 : 86 – 7 , Mar. 1950 . EXTERNAL
• 75. “Single Pulse Recording of Radar Displays—Photographic,” Mansur L. C. , Tele-Tech , 9 : 30 – 3 , Jan. 1950 . EXTERNAL
• 77. “Radar Measurements of the Initial Growth of Thunderstorm Precipitation Cells,” Hilst G. R. MacDowell G. P. , Bull. Am. Meteorological Soc. 31 : 95 – 9 , Mar. 1950 . EXTERNAL
• 78. “A Photographic Method for Displacement/Time Recording,” Bruce F. M. , Brit. J. Appl. Phys. , 1 : 291 – 3 , Nov. 1950 . EXTERNAL
• 79. “Streak Photography,” Vigness I. Nowak R. C. , J. Appl. Phys. , 21 : 445 – 8 , May 1950 . EXTERNAL
• 80. “High Efficiency Apparatus for Lightning Chronophotography,” Malan D. J. , Rev. d'optique, (thèor.-instrum.) , 29 : 513 – 23 , Oct. 1950 . EXTERNAL
• 81. “Full Application of Motion Study,” Shaw A. G. , Engineer , 189 : 388 – 9 , Mar. 1950 . EXTERNAL
• 82. “Mechanism of Detonation,” Pike H. H. M. , Nature , 165 : 214 – 16 , Feb. 1950 . EXTERNAL
• 83. “The State of a Detonating Explosive and the Velocity of the Ejected Gases,” Johansson C. H. , Arkiv Fysik 1 , Paper 29: 563 – 7 , 1950 . EXTERNAL
• 84. “A Discussion on Detonation: Some Characteristics of Detonation,” Evans W. M. , Proc. Roy. Soc., London , A204 : 12 – 17 , Nov. 1950 . EXTERNAL
• 85. “A Discussion on Detonation: Pressure Measurements in Detonating Gases,” Davies R. M. Owen J. D. Edwards D. H. Thomas D. E. , Proc. Roy. Soc., London , A204 : 17 – 19 , Nov. 1950 . EXTERNAL
• 86. “A Discussion on Detonation: Two New Streak Cameras,” Adams C. A. , Proc. Roy. Soc., London , A204 : 19 – 20 , Nov. 1950 . EXTERNAL
• 87. “A Discussion on Detonation: A New Photographic Method for Studying Fast Transient Phenomena,” Courtney-Pratt J. S. , Proc. Roy. Soc., London , A204 : 27 – 29 , Nov. 1950 . EXTERNAL
• 88. “Voltage Gradients in Long Gaseous Spark Channels,” Higham J. B. Meek J. M. , Proc. Phys. Soc., London , 63B : 633 – 48 , Sept. 1950 . EXTERNAL
• 89. “The Expansion of Gaseous Spark Channels,” Higham J. B. Meek J. M. , Proc. Phys. Soc., London , 63B : 649 – 61 , Sept. 1950 . EXTERNAL
• 90. “Photographing Sound Waves,” Kock W. E. Harvey W. K. , Bell Lab. Record , 28 : 304 – 6 , July 1950 . EXTERNAL
• 91. “Bell Laboratories Photographs the Patterns of Sound Waves,” Elec. Eng. , 69 , 766 Aug. 1950 . EXTERNAL
• 92. “A New Automatic 35-mm Camera,” Functional Phot. , 1 , 4 Mar. 1950 . EXTERNAL
• 93. “The Streamlines Swiss ‘Euram’ Camera,” Gazda A. , PSA Journal , 16B : 88 , Nov. 1950 . EXTERNAL
• 94. “Data Recording Camera,” Rev. Sci. Instr. , 21 , 1030 Dec. 1950 . EXTERNAL
• 95. “Electrically Controlled Camera,” Rev. Sci. Instr. , 21 , 820 , Sept. 1950 . EXTERNAL
• 96. “Synchronous Camera,” Rev. Sci. Instr. , 21 , 268 , Mar. 1950 . EXTERNAL
• 97. “Airborne Synchronized Motion Picture Camera Recording System,” White V. J. Horwitz S. J. , Elec. Eng. , 69 : 324 – 7 , Apr. 1950 . EXTERNAL
• 99. “A Reprojection Method for Studying Cloudchamber Photographs,” Bromley D. A. Bradfield R. D. , Rev. Sci. Instr. , 21 : 190 (Lab. Note), Feb. 1950 . EXTERNAL
• 100. “A Semi-Automatic Device for Analyzing Events in Nuclear Emulsions,” Blau M. Rudin R. Lindenbaum S. , Rev. Sci. Instr. , 21 : 978 , Dec. 1950 . EXTERNAL
• 101. “Remote Control Projector for the Examination of Experimental Records on 35-mm Film,” Webb E. L. R. , Can. J. Research , 28f : 315 – 23 , Aug. 1950 . EXTERNAL
• 102. “A Description of an Automatic Data-Analyzing Machine,” Benson B. S. , Mech. Eng. , 72 : 285 – 288 , Apr. 1950 . EXTERNAL
• 103. “Thinking of Microfilm?” Shaw R. R. , Phot. Eng. , 1 : 37 , Apr. 1950 . EXTERNAL
• 105. “Instrumentation for Exterior Ballistic Research in Rocketry,” Biberman L. M. , Instruments , 23 : 184 – 6 , Feb. 1950 . EXTERNAL
• 106. “Hypersonic Research Facilities at the Ames Laboratory,” Stevens V. I. , J. Appl. Phys. , 21 : 1150 – 55 , Nov. 1950 . EXTERNAL
• 107. “Shadowgrams of Spherical Missiles Entering Water at Supersonic Speeds,” McMillen J. H. Kramer R. L. Almand D. E. , J. Appl. Phys. , 21 : 1341 – 2 (Letter to Ed.), Dec. 1950 . EXTERNAL
• 108. “Measurement of Normal Burning Velocities of Propane-Air Flames from Shadow Photographs,” Andersen J. W. Fein R. S. , J. Chem. Phys. 18 : 441 – 3 , Apr. 1950 . EXTERNAL
• 109. “Improved Schlieren Apparatus Employing Multiple Slit-Gratings,” Mortensen T. A. , Rev. Sci. Instr. , 21 : 3 – 6 , Jan. 1950 . EXTERNAL
• 110. “Sharp Focusing Schlieren System,” Miller W. S. Jr. Kantrowitz A. Trimpi R. L. , J. Aeronaut. Sci. , 17 : 311 – 14 , May 1950 . EXTERNAL
• 111. “Studies With an Aerodynamically Instrumented Shock Tube,” Hertzberg A. Kantrowitz A. , J. Appl. Phys. , 21 : 874 – 878 , Sept. 1950 . EXTERNAL
• 112. “Optical Bench for Investigations in the Supersonic Flow at Bellevue,” Brun E. Gondet H. Plan M. , J. Rech. Cent. Nat. Rech. Sci. , 11 : 107 – 11 , 1950 . EXTERNAL
• 113. “Results of Recent Hypersonic and Unsteady Flow Research at the Langley Aeronautical Laboratory,” Becker J. V. , J. Appl. Phys. , 21 : 619 , July 1950 . EXTERNAL
• 114. “Preliminary Investigation of the Use of Afterglow for Visualizing Low Density Compressible Flows,” Williams T. W. Benson J. M. , NACA RM 19A24a, Feb. 15, 1949 . EXTERNAL
• 115. “Reactions Between Nitrogen Dioxide and Formaldehyde. III. The Determination of Flame Speeds,” Pollnard F. H. Wyatt R. M. H. , Trans. Faraday Soc. , 46 : 281 – 9 , Apr. 1950 . EXTERNAL
• 116. “The Temperature Field of a Free-Burning Carbon Arc,” Sperling J. , Z. Physik , 128 ( No. 2 ): 269 – 78 , 1950 . EXTERNAL
• 117. “Experimental and Theoretical Investigation of the Formation of Images of Non-Absorbing Objects,” Wolter H. , Ann. Physik, Leipzig , 7 Nos. 1–2 : 33 – 53 , 1950 . EXTERNAL
• 118. “The Image of Cylindrical Phase Objects of Elliptical Cross-Section,” Wolter H. , Ann. Physik, Leipzig , 7 , No. 3–4 : 147 – 56 , Apr. 1950 . EXTERNAL
• 119. “Improvements to the Image in a Schlieren System by Means of the Minimum Light Condition,” Wolter H. , Ann. Physik, Leipzig , 7 , No. 3–4 : 182 – 192 , Apr. 1950 . EXTERNAL
• 120. “Two-Dimensional Color Schlieren Apparatus,” Wolter H. , Ann. Physik, Leipzig , 8 , No. 1–2 : 1 – 10 , July 1950 . EXTERNAL
• 121. “A Colour-Schlieren Apparatus,” Holder D. W. North R. J. , Report of National Physical Laboratory, Teddington, England, Report 12,856, F.M. 1405 . EXTERNAL
• 122. “A Quantitative Schlieren Apparatus without Photometry,” Euler J. Huppner W. , Optik , 6 , No. 6 : 332 – 6 , 1950 . EXTERNAL
• 123. “Multiple Beam Interferometry,” Tolansky S. , Endeavour , 9 : 196 – 202 , Oct. 1950 . EXTERNAL
• 124. “The Thickness Measurement of Thin Films by Multiple Beam Interferometry,” Scott G. D. McLauchlan T. A. Sennett R. S. , J. Appl. Phys. , 21 : 843 – 6 , Sept. 1950 . EXTERNAL
• 125. “Accurate Thickness Measurements with a Fabry-Perot Interferometer,” Schulz L. G. , J. Opt. Soc. Am. , 40 : 177 (Letter to Ed.), Mar. 1950 . EXTERNAL
• 126. “The Spatial Photographic Recording of Fine Interference Phenomena,” Wolf R. N. Eisen F. C. , J. Opt. Soc. Am. , 40 : 143 – 6 , Mar. 1950 . EXTERNAL
• 127. “An Interferometric Method for Accurate Thickness Measurements of Thin Evaporated Films,” Schulz L. G. , J. Opt. Soc. Am. , 40 : 690 , Oct. 1950 . EXTERNAL
• 128. “A Diffraction Grating Interferometer,” Kraushaar R. , J. Opt. Soc. Am. , 40 : 480 (Letter to Ed.), July 1950 . EXTERNAL
• 129. “Determination of Residual Stresses of Quenching Origin in Solid and Concentric Hollow Cylinders from Interferometric Observations,” Saenz A. W. , J. Appl. Phys. , 21 : 962 – 5 , Oct. 1950 . EXTERNAL
• 130. “A Simple Interferometric Test for Conical Flow,” Giese J. H. Bennett F. D. Bergdolt V. E. , J. Appl. Phys. , 21 : 1226 – 31 , Dec. 1950 . EXTERNAL
• 133. “A Semi-Automatic Aseptic Surgical Camera,” Julin L. A. , J. Biol. Phot. Assoc. , 18 : 163 , Nov. 1950 . EXTERNAL
• 134. “Kamm Stand for Medical Photography,” Hansell P. , J. Biol. Phot. Assoc. , 18 , No. 1 : 6 , Feb. 1950 . EXTERNAL
• 135. “Photogrammetric Techniques as Applied to Medical Photography,” Miskin E. A. , Brit. J. Phot. , 97 : 551 – 3 , Oct. 1950 . EXTERNAL
• 136. “Clinical Aspects of Infrared Photography,” Bowes K. , Phot. J. , 90B : 63 , May–June 1950 . EXTERNAL
• 137. “Microscope Optics,” Foster L. V. , J. Opt. Soc. Am. , 40 : 269 , May 1950 . EXTERNAL
• 138. “Versatile Photo-Micrographic Apparatus,” Rev. Sci. Instr. , 21 , 676 , July 1950 . EXTERNAL
• 139. “Metallograph,” Rev. Sci. Instr. , 21 , 1030 , Dec. 1950 . EXTERNAL
• 140. “Microscope Imagery and Interpretations,” Osterberg H. , J. Opt. Soc. Am. , 40 : 295 – 303 , May 1950 . EXTERNAL
• 141. “Photomicrography with the Concentrated-Arc Lamp,” Weber Julius , J. Biol. Phot. Assoc. , 18 : 127 , Aug. 1950 . EXTERNAL
• 142. “Preparation of Micrographs of Metals and Alloys; Data Sheets,” Foundry , 77 : 115 – 116 , Nov. 1949 ; 133 – 4 , Dec. 1949 ; 125 – 6 , Jan. 1950 ; 195 – 6 , Feb. 1950 . EXTERNAL
• 143. “Dental Microscopy and its Photography,” Brain E. R. , Phot. J. , 90B : 122 , Sept.–Oct. 1950 . EXTERNAL
• 144. “On the Crazing of Linear High Polymers,” Hsiao C. C. Sauer J. A. , J. Appl. Phys. , 21 : 1071 – 1083 , Nov. 1950 . EXTERNAL
• 145. “Microscopic Observations of the Solidification of Small Metal Droplets,” Turnbull D. Cech R. E. , J. Appl. Phys. , 21 : 804 – 10 , Aug. 1950 . EXTERNAL
• 146. “A High-Low Temperature Microscope Stage,” Cech R. E. , Rev. Sci. Instr. , 21 : 747 – 9 , Aug. 1950 . EXTERNAL
• 147. “Surface Tension Effects in Oriented Thin Silver Films,” Johnson G. W. , J. Appl. Phys. , 21 : 449 – 53 , May 1950 . EXTERNAL
• 148. “Photomicrography with the Phase Microscope,” Richards O. W. , PSA Journal , 16B : 94 , Nov. 1950 . EXTERNAL
• 149. “Phase Contrast Microscopy for Opaque Specimens,” Benford J. R. Seidenberg R. L. , J. Opt. Soc. Am. , 40 : 314 , May 1950 . EXTERNAL
• 150. “Color Phase-Contrast Microscopy: Requirements and Applications,” Saylor C. P. Brice A. T. Zernike F. , J. Opt. Soc. Am. , 40 : 329 , May 1950 . EXTERNAL
• 151. “A Phase Contrast Apparatus, Independent of the Microscope, Using a Phase Plate of Variable Absorption,” Francon M. Nomarski G. , Compt. rend. acad. sci., Paris , 230 : 1050 – 1 , Mar. 1950 . EXTERNAL
• 152. “Phase Plate with Variable Contrast by Reflection,” Francon M. Nomarski G. , Compt. rend. acad. sci., Paris , 230 : 1392 – 4 , Apr. 1950 . EXTERNAL
• 153. “A New Series of Microscope Objectives. III. Ultra-Violet Objectives of Intermediate Numerical Aperture,” Grey D. S. , J. Opt. Soc. Am. , 40 : 283 , May 1950 . EXTERNAL
• 154. “Dr. E. H. Land's Colour Translating Microscope,” Berg W. F. , Phot. J. , 90B : 98 , July–Aug. 1950 . EXTERNAL
• 155. “Reflecting Microscope,” Mellors R. C. , Science , 112 : 381 – 9 , Oct. 1950 . EXTERNAL
• 156. “An Apparatus for Ultra-Violet Microscopy of Living Cells,” Davies H. G. Walker P. M. B. , Phot. J. , 90B : 92 , July–Aug. 1950 . EXTERNAL
• 157. “Ultra-Violet Microscopy of Tumour and Virus of Rouse Fowl Sarcoma,” Roe E. M. F. King R. G. , Phot. J. , 90B : 94 , July–Aug. 1950 . EXTERNAL
• 158. “Ultra-Violet Photography of Hot Metal Surfaces,” Jones G. A. , Phot. J. , 90B : 99 , July–Aug. 1950 . EXTERNAL
• 159. “The Philips 100 k.v. Electron Microscope,” VanDorsten A. C. Nieuwdorp H. Verhoeff A. , Philips Tech. Rev. , 12 : 33 – 50 , Aug. 1950 . EXTERNAL
• 160. “Electron Microscope,” Rev. Sci Instr. , 21 , 576 , June 1950 . EXTERNAL
• 161. “A Small Electron Microscope,” Reisener J. A. Darnfeld E. G. , J. Appl. Phys. , 21 : 1131 – 39 , Nov. 1950 . EXTERNAL
• 162. “Three-Stage Electron Microscope with Stereographic Dark Field, and Electron Diffraction Capabilities,” Haine M. E. Page R. S. Garfitt R. G. , J. Appl. Phys. , 21 : 173 – 182 , Feb. 1950 . EXTERNAL
• 163. “Rendering Visible Single Atoms and Molecules in the Field Electron Microscope,” Muller E. W. , Z. Naturforsch. , 5a : 473 – 9 , Sept. 1950 . EXTERNAL
• 164. “Electrons vs. Photons—A Comparison of Microscopes,” Marton L. , J. Opt. Soc. Am. , 40 : 269 , May 1950 . EXTERNAL
• 165. “Laboratory Modifications in the RCA Model EMC Electron Microscope,” Ellis S. G. , Rev. Sci. Instr. , 21 : 255 , Mar. 1950 . EXTERNAL
• 166. “Molecular Diffraction Attachment for the RCA Microscope,” Heston B. O. Cutter P. R. , Rev. Sci. Instr. , 21 : 608 , July 1950 . EXTERNAL
• 167. “Modification of Electron Microscope for Electron Optical Shadow Method,” Simpson J. A. van Bronkhorst A. , Rev. Sci. Instr. , 21 : 669 , July 1950 . EXTERNAL
• 168. “Lapping Technique: To Improve the Image Quality of Electron Microscope Lenses,” Hamm F. A. , J. Appl. Phys. , 21 : 278 – 83 , Apr. 1950 . EXTERNAL
• 169. “Vibration Studies; Related to Electron Microscopy,” Hamm F. A. Snowden F. C. , Rev. Sci. Instr. , 21 : 426 , May 1950 . EXTERNAL
• 170. “Removable Intermediate Lens for Extending the Magnification Range of an Electron Microscope,” Hillier J. , J. Appl. Phys. , 21 : 785 – 90 , Aug. 1950 . EXTERNAL
• 171. “Electron-Microradiography of Electro Deposited Metals,” Weil R. Read H. J. , J. Appl. Phys. , 21 : 1068 (Letter to Ed.), Oct. 1950 . EXTERNAL
• 172. “Aluminum Oxide Replicas for Electron Microscopy Produced by a Two Step Process,” Hass G. McFarland M. E. , J. Appl. Phys. , 21 : 435 – 6 , May 1950 . EXTERNAL
• 173. “Improved Ultra-Thin Sectioning of Tissue for Electron Microscopy,” Hillier J. Gettner M. E. , J. Appl. Phys. , 21 : 889 – 95 , Sept. 1950 . EXTERNAL
• 174. “Metallic Evaporation and the Diameter of Tobacco Mosaic Virus with the Electron Microscope,” Kahler H. Lloyd B. J. Jr. , J. Appl. Phys. , 21 : 699 – 704 , July 1950 . EXTERNAL
• 175. “The Apparent Size of Objects as Observed in the Electron Microscope,” Kern S. F. Kern R. A. , J. Appl. Phys. , 21 : 705 – 7 , July 1950 . EXTERNAL
• 176. “Comments on the Use of Latex Spheres as Size Standards in Electron Microscopy,” Gerould C. H. , J. Appl. Phys. , 21 : 183 – 4 (Letter to Ed.), Feb. 1950 . EXTERNAL
• 177. “Use of Spraying Methods and of Volatile Suspending Media in the Preparation of Specimens for Electron Microscopy,” Backus R. C. Williams R. C. , J. Appl. Phys. , 21 : 11 ( ff .), Jan. 1950 . EXTERNAL
• 178. “Electron Microscopy of Wet Biological Tissues by Replica Techniques,” Fischbein I. W. , J. Appl. Phys. , 21 : 1199 – 1214 , Dec. 1950 . EXTERNAL
• 179. “Use of Critical Point Phenomena in Preparing Specimens for the Electron Microscope,” Anderson T. F. , J. Appl. Phys. , 21 : 724 (Letter to Ed.), July 1950 . EXTERNAL
• 180. “Low Temperature Replica Method for Electron Microscopy,” Hall C. E. , J. Appl. Phys. , 21 : 61 (Letter to Ed.), Jan. 1950 . EXTERNAL
• 181. “X-Ray Microscope,” Instruments , 23 , 840 , Aug. 1950 . EXTERNAL
• 182. “Resolving Power of an X-Ray Microscope,” Prince E. , J. Appl. Phys. , 21 : 698 , July 1950 . EXTERNAL
• 183. “An Approach to X-Ray Microscopy,” Kirkpatrick P. , Nature , 166 : 251 – 3 , August 12, 1950 . EXTERNAL
• 184. “Wave-Lengths Suitable for X-Ray Microscopy of Biological Specimens,” Farrant J. L. , J. Appl. Phys. , 21 : 63 (Letter to Ed.), Jan. 1950 . EXTERNAL
• 185. “Exposure Meter for Photomicrography,” Electronics , 23 , 123 , Jan. 1950 . EXTERNAL
• 186. “Generalized Microscopy and the Two Wave Length Microscope,” Buerger M. J. , J. Appl. Phys. , 21 : 909 – 917 , Sept. 1950 . EXTERNAL
• 187. “The Photography of Atoms in Crystals,” Buerger M. J. , Proc. Nat. Acad. Sci., Wash. , 36 : 330 – 5 , May 1950 . EXTERNAL
• 188. “An Observation Chamber for Ultra-microscopic Investigations on Aerosols,” Schweckendiek O. E. , Z. Naturforsch. , 5a : 153 – 6 , Mar. 1950 . EXTERNAL
• 189. “Microspectroscopy,” Loofbourow J. R. , J. Opt. Soc. Am. , 40 : 317 – 25 , May 1950 . EXTERNAL
• 190. “Infra-Red Microspectroscopy,” Blout E. R. Bird G. R. Grey D. S. , J. Opt. Soc. Am. , 40 : 304 – 13 , May 1950 . EXTERNAL
• 191. “Recent Developments in Medical Photography and Radiography,” Watson W. , Phot. J. , 90B : 72 , May–June 1950 . EXTERNAL
• 192. “A New X-Ray Camera,” Bowler S. W. , Brit. J. Phot. , 97 : 364 – 5 , July 1950 . EXTERNAL
• 193. “New Trends in Radiographic Screening Techniques Utilizing Schmidt Optical Systems and High-Speed Development,” Morgan R. H. , Radiology , 55 : 97 – 100 , July 1950 . EXTERNAL
• 194. “The Intensification of the Fluorescent Image in Radiology,” Rawlins F. I. G. , Brit. J. Radiology , 28 : 460 – 4 , Aug. 1950 . EXTERNAL
• 195. “Amplifying and Intensifying the Fluoroscopic Image by Means of a Scanning X-Ray Tube,” Moon R. J. , Science , 112 : 389 – 95 , Oct. 1950 . EXTERNAL
• 196. “Speed and Contrast in Radiography,” Tasker H. S. , Phot. J. , 90B : 9 – 21 , Jan.–Feb. 1950 . EXTERNAL
• 197. “X-Ray vs. Light,” Tasker H. S. , Phot. J. , 90B : 58 , May–June 1950 . EXTERNAL
• 198. “Megavolt Radiography,” Meakin R. , Phot. J. , 90B : 100 , July–Aug. 1950 . EXTERNAL
• 199. “The Calculation of Vowel Resonances and an Electrical Vocal Tract,” Dunn H. K. , J. Acoust. Soc. Am. , 22 : 740 – 53 , Nov. 1950 . EXTERNAL
• 200. “Kineradiography,” Campbell J. A. , Radiology , 54 : 559 , Apr. 1950 . EXTERNAL
• 201. “Use of the Cine Fluorographic Method for Tracking Purposes,” Reynolds L. Corrigan K. E. Haden H. S. , Am. J. Roentgenol. , 63 : 902 – 14 , June 1950 . EXTERNAL
• 202. “Kineradiography,” Reynolds R. J. , Phot. J. , 90B : 99 , July–Aug. 1950 . EXTERNAL
• 203. “Angiocardio Cinematography,” Janker R. , Am. J. Roentgenol. , 64 : 904 , Nov. 1950 . EXTERNAL
• 204. “High Voltage Equipment for Cineradiography,” Engineer , 190 : 186 – 7 , Aug. 1950 . EXTERNAL
• 205. “New Cineradiographic Apparatus,” Elec. Eng. , 22 : 369 – 70 , Sept. 1950 . EXTERNAL
• 206. “Clinical Cine-Fluorography,” Rushmer R. F. Bark R. S. Hendron J. A. , Radiology , 55 : 588 – 92 , Oct. 1950 . EXTERNAL
• 207. “Electronically Controlled Cineradiographic Apparatus,” Quittner V. , Elec. Eng. , 22 : 363 – 8 , Sept. 1950 . EXTERNAL
• 208. “Flash Radiography,” Pollitt G. C. , Phot. J. , 90B : 104 , July–Aug. 1950 . EXTERNAL
• 209. “Recent Progress in Flash Radiography,” Clark J. C. , Papers on Radiography , ASTM 1950 . EXTERNAL
• 210. “On the Working Process of Impulse X-Ray Tubes,” Funfer E. , Z. angew. Phys. , 2 , No. 1 : 25 – 33 , 1950 . EXTERNAL
• 211. “A Million-Volt Resonant Cavity X-Ray Tube,” Mills B. Y. , Proc. Inst. Elec. Eng., Pt. III , 97 : 425 – 37 , Nov. 1950 . EXTERNAL
• 212. “The Equation of State of Water at High Pressures, from X-Ray Flash Photographs of Intense Shock Waves,” Schall R. , Z. angew. Phys. , 2 , No. 6 : 252 – 4 , 1950 . EXTERNAL
• 213. “Use of Radioactive Isotopes in Industrial Radiography,” Tenney G. H. , Non-Destructive Testing , 8 : 6 – 8 , Autumn 1950 . EXTERNAL
• 214. “Image Formation by Means of X-Rays,” Cauchois Y. , Rev. d'oplique, thor.-instr. , 29 : 151 – 63 , Mar. 1950 . EXTERNAL
• 215. “Chemical Analysis by Means of X-Rays. IV. A Quantitative Analytical Method Using a Standard Density,” Alvarez L. R. , An. Real Soc. Esp. Fis. y Quin. , 46A : 77 – 82 , Mar.–Apr. 1950 . EXTERNAL
• 216. “X-Ray Tube Producing a Beam of X-Rays Convergent to a Point,” Bachman C. H. Silverman S. J. , J. Appl. Phys. , 21 : 615 (Letters to Ed.), June 1950 . EXTERNAL
• 217. “Light Energy and Spectral Distribution for Some Important X-Ray Screens,” Skoldborn H. , J. Appl. Phys. , 21 : 546 – 52 , June 1950 . EXTERNAL
• 218. “Quantum Efficiency in Photographic X-Ray Exposures,” Bromley D. Herz R. H. , Proc. Phys. Soc., London, B , 63 : 90 – 106 , Feb. 1950 . EXTERNAL
• 219. “Photography Under the Sea,” Chesterman W. D. , Functional Photography , 1 : 5 – 8 , May. 1950 . EXTERNAL
• 220. “Underwater Photography,” Bucher P. , Photo-France , 1 : 6 – 10 , Aug. 1950 . EXTERNAL
• 221. “Experimental Underwater Camera and Illuminator,” Jenner M. S. , Phot. Eng. , 1 : 139 , Oct. 1950 . EXTERNAL
• 222. “Photography and Deep Water,” Ulrich B. , Foto-Kino-Technik , 4 : 187 , June 1950 . EXTERNAL
• 223. “Some Aspects of Deep Sea Underwater Photography,” Hahn J. , PSA Journal , 16B : 27 , June 1950 . EXTERNAL
• 224. “Underwater Photography,” Collins J. B. , Phot. J. , 90B : 24 , Jan.–Feb. 1950 . EXTERNAL
• 226. Photo Developments , 29 , 40 , June 1950 . EXTERNAL
• 227. “Photo Materials for Use in the Ultra-Violet,” Fraser R. D. B. , J. Sci. Instr. , 27 : 106 – 7 , Apr. 1950 . EXTERNAL
• 228. “Photographing Spectra in the Vacuum UV,” Schoen A. L. Hodge E. S. , J. Opt. Soc. Am. , 40 : 23 – 8 , Jan. 1950 . EXTERNAL
• 229. “Polaroid-Land Film,” Land E. H. , Phot. J. , 90 : 7 , 1950 . EXTERNAL
• 230. Rev. Sci. Instr. , 21 , 506 , May 1950 . EXTERNAL
• 231. “A New Photographic Material—A High Resolution Emulsion for Autoradiography,” Berriman R. W. Herz R. H. Stevens G. W. W. , Brit. J. Radiology , 23 : 472 – 7 , Aug. 1950 . EXTERNAL
• 232. “Continuous Method of Preparation of Photographic Emulsions Specially Sensitive to Ionizing Particles,” Demers P. , Compt. rend. acad. sci., Paris , 231 : 616 – 617 , Sept. 1950 . EXTERNAL
• 233. “Spectral Sensitivity of Two Commercial X-Ray Films between 0.2 and 2.5 Angstroms,” Seemann H. E. , Rev. Sci. Instr. , 21 : 314 , Apr. 1950 . EXTERNAL
• 234. “Latensification Studies with Ozone,” Vanselow W. Colton E. K. Wiegand E. J. , PSA Journal , 16B : 97 , Nov. 1950 . EXTERNAL
• 235. “Gold Sensitization of X-Ray Films,” Hoerlin H. Mueller F. W. H. , J. Opt. Soc. Am. , 41 : 246 – 51 , Apr. 1950 . EXTERNAL
• 236. “Some Methods of Treating an Under-Exposed Negative,” Hartridge H. , Phot. J. , 90B : 41 , Mar.–Apr. 1950 . EXTERNAL
• 237. “Combined Effect of Infrared Radiation and Intensification Upon the Photographic Latent Image,” Fortmiller L. James T. H. Quirk R. F. Vanselow W. , J. Opt. Soc. Am. , 40 : 487 – 96 , Aug. 1950 . EXTERNAL
• 238. “6-Nitrobenzimidazole and Benzatriazole as Antifoggants,” Schantz J. A. , Phot. Eng. , 1 : 63 , Apr. 1950 . EXTERNAL
• 239. “Ion Exchange and the Reclamation of Photographic Wash Water,” Levinos S. , Phot. Eng. , 1 : 69 , July 1950 . EXTERNAL
• 240. “Double Development of Nuclear Emulsions,” Jech C. , Phys. Rev. , 80 : 759 – 60 , Nov. 1950 . EXTERNAL
• 241. “Temperature Coefficient of Swelling and Development in Thick Emulsions for Nuclear Research,” Stevens G. W. W. , Phot. J. , 90B : 129 , Sept.–Oct. 1950 . EXTERNAL
• 242. “Photographic Reciprocity Law Failure and Related Effects; the Low Intensity Failure,” Katz E. , J. Chem. Phys. , 17 : 1132 – 41 , Nov. 1949 . EXTERNAL
• 243. “Photographic Reciprocity Law Failure and Related Effects: the Low Intensity Sequence Effect,” Katz E. , J. Chem. Phys. , 18 : 499 – 506 , Apr. 1950 . EXTERNAL
• 244. “Low Intensity Reciprocity Law Failure in Photographic Exposure: Energy Depth of Electron Traps in Latent-Image Formation; Number of Quanta Required to Form the Stable Sublatent Image,” Webb J. H. , J. Opt. Soc. Am. , 40 : 3 – 13 , Jan. 1950 . EXTERNAL
• 245. “Low Intensity Reciprocity-Law Failure in Photo Exposure: H. Multiple-Quantum Hits in a Critical Time Period,” Webb J. H. , J. Opt. Soc. Am. , 40 : 197 – 202 , Apr. 1950 . EXTERNAL
• 246. “A New Reciprocity Failure in Photographic Exposure at High Intensity,” Milne G. G. , paper presented at Optical Society Meeting , Cleveland, Ohio, Oct. 1950 . EXTERNAL
• 247. “The Metal-Diazonium Process,” Dippel C. J. , Phot. J. , 90B : 34 , Mar.–Apr. 1950 . EXTERNAL
• 249. “Xerography,” Phot. J. , 90B , 66 , May–June 1950 . EXTERNAL
• 250. “Xeroradiography—A Basic Development in X-Ray Non-Destructive Testing,” McMaster R. C. Schaffert R. M. , Non-Destructive Testing , Summer 1950 . EXTERNAL
• 251. “A Survey of Photographic Processes and Materials,” Kaprelian E. K. , Phot. Eng. , 1 : 42 , Apr. 1950 . EXTERNAL
• 252. “A Self-Processing Camera for the Rapid Production of Photographic Negatives,” Jackson E. W. , Brit. J. Phot. , 97 : 55 , Feb. 1950 . EXTERNAL
• 253. “A Small Continuous Processing Machine for Experimental Work,” Levensen G. I. P. , J. Brit. Kinemat. Soc. , 16 : 2 – 8 , Jan. 1950 . EXTERNAL
• 254. “Machine for Rapidly Processing Photographic Trace Recordings,” Levensen G. I. P. , J. Sci. Instr. , 27 : 170 – 1 , June 1950 . EXTERNAL
• 258. “Stabilization Processing,” Russell H. D. Yackel E. C. Bruce S. S. , PSA Journal , 16B : 59 , Aug. 1950 . EXTERNAL
• 259. “Rapid Drying of Photographic Material,” Davies I. Soper A. K. , Brit. J. Phot. , 97 : 268 , May 1950 . EXTERNAL
• 260. “The Variable Focus Pan-Cinor Objective and its Applications,” Cuvillier R. , Science et inds. phot. , 21 : 324 , Sept. 1950 . EXTERNAL
• 261. “Wide Angle Underwater Lens,” Thorndike E. M. , J. Opt. Soc. Am. , 40 : 823 – 4 , Dec. 1950 . EXTERNAL
• 262. “Description of Wide Angle Schmidt Optical Systems,” Wormser E. M. , J. Opt. Soc. Am. , 40 : 412 – 15 , July 1950 . EXTERNAL
• 263. “The Progress of Wide Aperture Photographic Objectives,” Seegert B. , Z. wiss. Phot. , 45 , No. 4–6 : 95 – 118 , 1950 . EXTERNAL
• 264. “Catadioptric Objectives,” Paul M. , Science et inds. phot. , 21 : 81 , Mar. 1950 . EXTERNAL
• 265. “The Tachonar, F /1 Objective,” Foto-Kino-Technik , 4 , 223 , July 1950 . EXTERNAL
• 266. “The Construction of Interference Filters for the Transmission of Light of Specified Wavelengths,” Greenland K. M. Billington C. , Proc Phys. Soc., London, B , 63 : 359 – 63 , May 1950 . EXTERNAL
• 267. “Calculation of Interference Filters,” Roig J. Descamps C. , Compt. rend. acad. sci., Paris , 230 : 827 – 9 , Feb. 1950 . EXTERNAL
• 269. “Electrical Color Filters,” Babits V. A. Jr. Hicks H. F. Jr. , Electronics , 23 : 112 – 15 , Nov. 1950 . EXTERNAL
• 270. “A High-Intensity, Short-Duration Spark Light Source,” Fitz-Patrick J. A. Hubbard J. C. Thaler W. J. , J. Appl. Phys. , 21 : 1269 – 71 , Dec. 1950 . EXTERNAL
• 271. “The Light Emission from High-Current Spark Discharges, I,” Glaser G. , Optik , 7 , No. 1 : 33 – 53 , 1950 . EXTERNAL
• 272. “The Light Emission from High-Current Spark Discharges, II,” Glaser G. , Optik , 7 , No. 2 : 61 – 90 , 1950 . EXTERNAL
• 273. “New Low-Voltage, Low-Power Flash Tube of High Efficiency,” Noel E. B. Davis P. B. , PSA Journal , 16B : 11 , Jan. 1950 . EXTERNAL
• 276. “The Application of White Light Flash Tubes to Instantaneous Photomicrography in Ordinary or Phase Contrast Microscopy,” Laporte M. , Compt. rend. acad. sci., Paris , 230 : 1592 – 3 , May 1950 . EXTERNAL
• 277. “Discharge Lamps for Projection and Cinematography,” Laporte M. , J. Phys., (8) , 11 : 4 – 5 , Dec. 1950 . EXTERNAL
• 278. “Intermittent Projection Light: A Possibility for the Future in Film Projection,” Hagemann W. , Bild und Ton , 3 : 35 – 8 , Feb. 1950 . EXTERNAL
• 279. “Cine-Flash; A New Lighting Equipment for High-Speed Cinematography and Studio Effects,” Bourne H. K. Beeson E. J. G. , Jour. SMPTE , 55 : 229 – 312 , Sept. 1950 . EXTERNAL
• 280. “New Instrument Aids in Photography of Air Flow,” Gen. Elec. Rev. , 53 : 48 – 9 , Oct. 1950 . EXTERNAL
• 281. “A Study of the Short-Duration, High-Intensity Electric Arc as a Source of Visible Light,” Hoyt G. D. McCormick W. W. , J. Opt. Soc. Am. , 40 : 658 , Oct. 1950 . EXTERNAL
• 282. “Ultra-Violet Radiation of the High-Pressure Xenon Arc,” Baum W. A. Dunkelman L. , J. Opt. Soc. Am. , 40 : 782 , Nov. 1950 . EXTERNAL
• 284. “Power Supply for the Cenco Concentrated-Arc Lamp,” Mitchell J. M. , Rev. Sci. Instr. , 21 : 497 , May 1950 . EXTERNAL
• 286. “A Continuously Sensitive Cloud Chamber,” Needels T. S. Nielsen C. E. , Rev. Sci. Instr. , 21 : 976 , Dec. 1950 . EXTERNAL
• 287. “Flight Records: A Technique for the Study of Bird Navigation,” Wilkinson D. H. , Nature , 165 : 188 , Feb. 1950 . EXTERNAL
• 288. “A New Apparatus for Integral Panorama Photography,” Blet G. , Science et inds. phot. , 21 : 281 , Aug. 1950 . EXTERNAL
• 289. “Automatic Exposure Control,” Bruck G. Higgins J. Ward J. , Electronics , 23 : 74 – 8 , May 1950 . EXTERNAL
• 290. “Photographic Methods for Producing Reticles,” Leistner C. , Phot. Eng. , 1 : 7 , Jan. 1950 . EXTERNAL
• 291. “The Production of Optical Gratings by the Photographic Method,” Gundlach K. Rzymkowski J. , Z. wiss. Phot. , 45 , No. 1–3 : 8 – 31 , 1950 . EXTERNAL
• 293. “A Spectrosensitometer,” Morrison C. A. Hoadley H. O. , PSA Journal , 16B : 64 , Aug. 1950 . EXTERNAL
• 294. “A Method of Making Magnetic Lines of Force Visible,” Blaha F. , Z. Naturforsch. , 5a : 233 – 4 , Apr. 1950 . EXTERNAL
• 295. “Method of Making Ultrasonic Waves Visible,” Schreiber H. Degner W. , Naturwissenschaften , 37 , No. 15 : 358 – 9 , 1950 . EXTERNAL
• 296. “Illumination of Phosphors by Ultrasonic Waves,” Eckardt A. Lindig O. , Ann. Physik, Leipzig , 7 , No. 7–8 : 410 – 12 , 1950 . EXTERNAL
• 297. “Thermography,” Urbach F. , Phot. J. , 90B : 109 – 14 , July–Aug. 1950 . EXTERNAL
• 298. “An Apparatus for Time-Resolved Spectroscopy,” Gordon G. Cady W. M. , J. Opt. Soc. Am. , 40 : 852 , Dec. 1950 . EXTERNAL
• 299. “Use of image phototube as a high-speed camera shutter,” Hogan A. W. , Jour. SMPTE , vol. 56 , pp. 635 – 641 , June 1951 . EXTERNAL