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

Page scan 00092 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 #:
00092
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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REPORT OF THE STANDARDS COMMITTEE* The two projects entitled "Designation of Direction of Winding of 16-Mm Film Perforated along One Edge" and "Edge-Numbering Interval for 16-Mm Motion Picture Film" which were stated in our report at the Rochester Convention as being considered as SMPE Recommended Practices have now been approved, and have appeared in the November issue of the JOURNAL. In considering the "Designation of Direction of Winding of 16Mm Film Perforated along One Edge" it was evident that there had been some divergence of practice among various companies in designating the direction of winding 16-mm film that would naturally lead to some confusion among those who were handling film from a number of different companies. The designation that has been adopted as an SMPE Recommended Practice is as follows : When a roll of 16-mm film, perforated along one edge, is held so that the outside end of the film leaves the roll at the top and toward the right, winding A shall have the perforations on the edge of the film toward the observer; and winding B shall have the perforations on the "edge away from the observer. In both cases the emulsion surface shall face inward on the roll. This is illustrated by the following sketch. Winding A Winding B Emulsion side in Emulsion side in This sketch shows film wound on film cores. When the film is wound on a reel having a square hole on one side and a round hole on the other, the square hole shall be understood to be on the side away from the observer. * Presented at the 1941 Fall Meeting at New York, N. Y.; received October 20, 1941. 87