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

Page scan 000112 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 #:
000112
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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Aug., 1944 STEREOPTICON PROJECTOR 103 The sole purpose of the shutter, whether glass or metal, is the protection it affords the glass stereopticon plate from heat. The shutter motor is equipped with a magneto-type tachometer for determination of shutter speed when operating wild during tests and line-up operations. When shooting, the shutter motor is interlocked with the camera motor by means of a standard interlocking distributor. FIG. 5. Paramount transparency stereopticon, showing right side and electrical hookup. The preference for a heat-absorbing glass shutter blade over metal may be realized if the increase of heat transmission amounting to approximately 7 per cent will not result in damage to the slide, emulsion or breakage of the plate it is mounted upon. The light path between the water-cell and field condenser unit is completely enclosed with a tight-fitting hood so that no appreciable leak-light is present. It has a convenient piano hinge cover for easy access to the shutter assembly (Fig. 4).