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

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JOURNAL OF THE SOCIETY OF MOTION PICTURE ENGINEERS Volume XXXVII November, 1941 CONTENTS Page Resume of an Extemporaneous Address by H. HANSON 449 Analysis of Sound-Film Drives W. J. ALBERSHEIM AND D. MACKENZIE 452 A Suggested Clarification of Carbon Arc Terminology as Applied to the Motion Picture Industry. . .H. G. MACPHERSON 480 Improved Methods of Controlling Carbon Arc Position D. J. ZAFFARANO, W. W. LOZIER, AND D. B. JOY 485 Symposium on Projection Projection Room Equipment Requirements. . . . J. J. SEFING 502 The Projection Room — Its Location and Contents J. R. PRATER 506 Factors Affecting Sound Quality in Theaters. .A. GOODMAN 510 Progress in Three-Dimensional Pictures J. A. NORLING 516 Solving Acoustic and Noise Problems Encountered in Recording for Motion Pictures W. L. THAYER 525 Report of the Standards Committee 535 New Motion Picture Apparatus A New 13.6-Mm High-Intensity Projector Carbon M. T. JONES, W. W. LOZIER, AND D. B. JOY 539 Current Literature (The Society is not responsible for statements by authors.)