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

Page scan 000182 from Journal of the Society of Motion Picture Engineers

Record Details:

Title:
Journal of the Society of Motion Picture Engineers
Date:
1930-1949
Publisher:
New York, N.Y. : The Society
Volume:
Journal of the Society of Motion Picture Engineers
Leaf #:
000182
Language:
English
Collection:
Technical Journals
Format:
Periodicals
Contributor:
Prelinger Library
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
The Journal of the Society of Motion Picture Engineers (SMPE)Êdocuments the technological progress of the film industry, highlighting technical developments in production and exhibition. Of special interest are articles about special effects, theater practices, lighting, and the introduction of the 16mm format. Initially titled "Transactions of the Journal of the Society of Motion Picture Engineers."Digitized by the Prelinger Library and the Library of Congress Motion Picture, Broadcasting and Recorded Sound Division.
Date Added:
July 19, 2022
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1950 PORTABLE 35-MM CAMERA 177 necessity of wearing thick fur gloves, the preloaded automatic film gate magazine is the obvious solution. Loading the magazines is simple, and can be done in either darkroom or changing bag. The loops are formed in daylight, and are not critical. Film wound either emulsion in or out can be used. Figure 4 shows the method of attaching the magazines to the camera. Fig. 4. Attaching the film magazine. Movement and Aperture Plate. The movement consists of two ratchet pull-down claws engaging the film, which is kept in its proper position by the two pressure pads on the film gate magazine. The top pad is designed to keep the film flat and in the focal plane. The surface of the pressure pad and the system of pressure applied are such as to avoid all pressure against a hard surface, thus preventing distortion of the film at the aperture. The bottom pad, which holds the film only at the edges, keeps the film properly aligned for the pull-down claws, insuring absolute steadiness. The lateral guidance is assured by two spring guides in the magazine, placed in the curved parts of