Transactions of the Society of Motion Picture Engineers (1922)

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=3F=1F=====3I 31 II IE 11=55=31 53E1EJ TRANSACTIONS OF THE SOCIETY OF MOTION PICTURE ENGINEERS CONTENTS PAGE Officers 3 Committees 5 Membership List 8 Constitution and By-Laws 15 President's Address 18 The Care and Preservation of Motion Picture Negatives. By George A. Blair 22 Constant Potential Generators for Motion Picture Projection. By A. M. Candy 28 Film Splicing. By J. H. McNabb 40 Projection and Its Importance to the Industry. By P. H. Richardson 55 Prismatic Rings. By C. Francis Jenkins 65 A New Transparent Rotary Shutter. By W. Osborne Runcie. ... 74 Negative Test Method as an Aid in Condenser Design. By J. T. Beechlyn 80 Some Uses of Aspherical Lenses in Motion Picture Projection. By Herman Kellner 85 The Motion Picture Theater of the Future and the Equipment Probably Required. By S. L. Rothafel 100 The Graininess of Photographic Materials Used in the Motion Picture Industry. By Arthur C. Hardy and Loyd A. Jones. . . . 107 Can the Movies Teach? By Rowland Rogers 125 Color Photography. By C. E. K. Mees 137 Studio Lighting From the Standpoint of the Photographic Director. By Alvin Wyckoff 157 Color Toning of Cine Films. By F. E. Ives 160 Note on New Continuous Projector. By Frank N. Stewart 162 Committee Reports 164 Advertising Section 193 Index of Papers and Authors, 1916-1922 1 Number Fourteen MEETING OF MAY 1, 2, 3 AND 4, 1922 BOSTON, MASS. '" '■■■■ !' ir |i=a=ii =ii ii=ie £ di ; .... x