Society of Motion Picture Engineers : incorporation and by-laws (1923)

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r mc Dt=3E TRANSACTIONS OF THE SOCIETY OF MOTION PICTURE ENGINEERS CONTENTS Page Officers, Committees, Membership, Constitution and By-Laws 3-16 Presidential Address 17 Lights and Shadows. By J. Searle Dawley and Oscar Lund 23 A Study of the Markings on Motion Picture Film. By J. I. Crabtree and G. E. Matthews 29 The Motion Picture Engineer and His Relation to the Industry. By Dr. Alfred B. Hitchins 46 Film Sprocket Design. By J. G. Jones 55 Motion Picture Camera Taking 3200 Pictures Per Second. By C. Francis Jenkins 77 Recent Progress in the Transmission of Motion Pictures by Radio. By C. Francis Jenkins 81 Thermal Characteristics of Motion Picture Film. By Loyd A. Jones and Earle E. Richardson 86 Importance of Synchronizing Taking and Camera Speeds. By F. H. Richardson 117 Relation of Objective Lens to the Efficiency of the Optical System. By R. E. Farnham 124 Can the Efficiency of the Present Condensing Systems Be Increased? By Hermann Kellner 133 The Cost Elements of a Motion Picture. By Douglas Brown 141 Stereoscopic Pictures. By Wm. V. D. Kelley 149 A Motion Picture Densitometer. By J. G. Capstaff and N. B. Green. . . . 154 Friction Feed Developing Machine. By Roscoe C. Hubbard 163 Sprockets and Splices. By Earl J. Denison 179 Reports of Committees 185-195 SPECIAL ANNOUNCEMENTS 196 Advertising Section 197 Index of Papers by Subject and Author, 1916 to 1924 1 Number Seventeen MEETING OF OCTOBER 1, 2, 3, 4, 1923 OTTAWA, CANADA ar=iE DEElJ