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

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 #:
000463
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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460 TUTTLE November camera so that parts of three sequences of pictures are seen. Although the belt of numbers was moving at a fixed speed, the multiple images appear to be traveling at different speeds. This effect is the result of acceleration and deceleration in the grid movement. Some very interesting and useful stereoscopic observations can be made from a plate contact exposed behind a grid and viewed through an analyzing grid, which is held out of contact with the image plate. Let us have in the scene five different belts with numbers painted on them. One belt is stationary. Two are moving rather fast, one at Fig. 8 a constant velocity and the other at the same average velocity but being accelerated. The two others are moving very fast, one again at a constant velocity and the other at the same average velocity but being decelerated. If we view this scene through the separated grid in its parallel alignment position, the stationary belt will appear to be in the plane of the screen. The two rather fast moving belts will appear coplanar but displaced from the screen plane. The two very fast moving belts will be in a different plane further displaced from the screen plane. If now we rotate the viewing grid, the stationary numbers will still appear erect and in the screen plane. The numbers on the belts