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

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CONTENTS— Journal Society of Motion Picture and Television Engineers Volume 59 : July — December 1952 Listed below are only the papers and major reports from the six issues. See the Volume Index for those items which generally appear on the last few pages of each issue: Standards, Society announcements (awards, Board meetings, committee reports, conventions, engineering activities, membership, nominations, section activities), book reviews, current literature, letters to the Editor, new products and obituaries. Dual-Purpose Optical Sound Prints C. E. BEAGHELL and G. G. GRAHAM 1 Theory of Parallax Barriers SAM H. KAPLAN 1 1 New DirectVision Stereo-Projection Screen VV. WHEELER JENNINGS and PIERRE VANET 22 Automatic Torque Controller for Torque Motors . . CARL E. KITTLE 28 Three-Phase Power From SinglePhase Source . . . A. L. HOLCOMB 32 Continuous Arc Projector Light Meter . . . HARRY P. BRUEGGEMANN 40 Use of a Rotating-Drum Camera for Recording Impact Loading Deformation D. F. MUSTER and E. G. VOLTERRA 44 The Navy's Training Film Production Program W. R. CRONENWETT and W. M. TIMMONS 49 Nonsilver Photographic Processes THOMAS T. HILL 58 August Optimum Exposure of Sound Tracks on Kodachrome Films .... ROBERT C. LOVICK 81 Densitometry of Silver Sulfide Sound Tracks . . ROBERT C. LOVICK 89 Modulated Air Blast for Reducing Film Buckle . . . WILLY BORBERG 94 A Method of Direct-Positive Variable-Density Recording With the Light Valve O. L. DUPY 101 ii Contents: Journal of the SMPTE Vol. 59