Transactions of the Society of Motion Picture Engineers (1922)

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TRANSACTIONS OF THE SOCIETY OF MOTION PICTURE ENGINEERS CONTENTS PAGE Officers 3 Committees 4 Membership List 7 Extracts from By-Laws 13 President's Address 15 The Illumination with Large and Small Condensers. By W. E. Story, Jr 19 Optical Glass. By H. N. Ott 39 A Point Source of Light for Laboratory Use. By C. A. B. Halvor son, Jr., and S. C. Rogers 48 Industrial Mechanigraphs. By Harry Levey 55 Analysis of Motion. By Chas. P. Watson 65 100,000 Pictures per Minute. By C. Francis Jenkins 69 The Use of Artificial Illuminants in Motion Picture Studios. By L. A. Jones 74 Actinic Measurements on Exposure and Tinting of Motion Picture Film. By W. E. Story, Jr 106 Need for Improvement in Present Practice as Regards Film Reels. By F. H. Richardson 116 The Protection of Inventions. By Thomas A. Howard 123 Testing and Maintaining Photographic Quality of Cinematographic Emulsions. By A. B. Hitchins 136 The High Intensity Arc Lamp. By A. D. Cameron 152 Report of Nomenclature Committee. 160 Report of Standards Committee 163 Special Items and Announcements 164 Advertising Section Index of Papers and Authors 1916-1921 I Number Thirteen MEETING OF OCT. 31. NOV. 1, 2 and 3, 1921 BUFFALO, N. Y. Idf^^iJT