Journal of the Society of Motion Picture Engineers (1930-1949)

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106 CLASSIFIED INDEX LAMPS (See Illumination) LENSES (See Optics) LIBRARIES (See also Distribution) Problems in 16-Mm Classroom Film Distribution, O. E. Sams, Jr., v. 44, no. 3 (Mar. 1945), p. 214. Resurrection of Early Motion Pictures, C. L. Gregory, v. 42, no. 3 (Mar. 1944), p. 159. Motion Picture Incunabula in The Library of Congress, H. L. Walls, v. 42, no. 3 (Mar. 1944), p. 155. Wartime Cataloging of Motion Picture Film, J. G. Bradley, v. 42, no. 3 (Mar. 1944), p. 145. Service Films Division of the Signal Corps Photographic Center, E. Cohen, v. 41, no. 3 (Sept. 1943), p. 222. Motion Pictures and the War Effort, J. G. Bradley, v. 40, no. 5 (May 1943), p. 281. Adventures of a Film Library, R. Griffith, v. 38, no. 3 (Mar. 1942), p. 284. Changing Aspects of the Film-Storage Problem, J. G. Bradley, v. 30, no. 3 (Mar. 1938), p. 303. Problems of a Motion Picture Research Library, H. G. Percey, v. 26, no. 3 (Mar. 1936), p. 253. LIGHT MEASUREMENT (See Photometry) LIGHTING (See Illumination, Studio) LIGHT- VALVES (See also Sound Recording) Visual Light-Valve Checking Device, J. P. Corcoran, v. 42, no. 5 (May 1944), p. 283. Stabilized Feedback Light-Valve, W. J. Albersheim and L. F. Brown, v. 38, no. 3 (Mar. 1942), p. 240. Use of an A-C Polarized Photoelectric Cell for Light-Valve Bias Current Determination, C. R. Daily, v. 33, no. 4 (Oct. 1939), p. 394. Analysis and Measurement of Distortion in Variable-Density Recording, J. G. Frayne and R. R. Scoville, v. 32, no. 6 (June 1939), p. 648. Permanent-Magnet Four-Ribbon Light-Valve for Portable Push-Pull Record- ing, E. C. Manderfeld, v. 31, no. 3 (Sept. 1938), p. 315. Push-Pull Recording with the Light-Valve, J. G. Frayne and H. C. Silent, v. 31, no. 1 (July 1938), p. 46. New Dynamic Light-Valve, E. Gerlach, v. 29, no. 4 (Oct. 1937), p. 388. Harmonic Distortion in Variable-Density Records, B. F. Miller, v. 27, no. 3 (Sept. 1936), p. 302. Mechanical Reversed-Bias Light-Valve Recording, E. H. Hansen and C. W. Faulkner, v. 26, no. 2 (Feb. 1936), p. 117. LOUDSPEAKERS (See also Sound Reproduction) Improved Loudspeaker System for Theaters, J. B. Lansing and J. K. Milliard, v. 45, no. 5 (Nov. 1945), p. 339. Duplex Loudspeaker, J. B. Lansing, v. 43, no. 3 (Sept. 1944), p. 168. Frequency Modulation Distortion in Loud Speakers, G. L. Beers and H. Belar, v. 40, no. 4 (Apr. 1943), p. 207.