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

Page scan 000483 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 #:
000483
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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480 MILLER November The second type of camera, (Fig. 1) which will be discussed here, was invented in 1939 and has been described in a United States Patent filed3 December 28, 1940, and in an NAG A note.4 First photographs of combustion were taken with this camera at 105 frames per second in 1942. The detonation wave involved in engine knock was photographed at 2 X 105 frames per second in 1944. This series of photographs was published5 in 1946 and again1 in 1947. Another motion picture of engine knock taken with this camera at 5 X 105 Adjusting Screws For Mirrors Reflecting Light Downward Fig. 1 — Photograph of camera. frames per second was exhibited6 in 1948. It is anticipated that the camera will eventually be operated at 106 frames per second. ELEMENTARY PRINCIPLE OF OPERATION The elementary principle of operation is illustrated in Fig. 2 in a form designed to expose a series of only two frames. It is remarkable that this simple and obvious shutter mechanism apparently remained undiscovered3 until 1939. Besides its use in the camera described here, this principle has been used in the Bowen camera,7 which was,