Cinematographic annual : 1931 (1931)

Record Details:

Title:
Cinematographic annual : 1931
Date:
1931
Publisher:
Hollywood : The American Society of Cinematographers, Inc.
Volume:
Cinematographic annual : 1931
Leaf #:
000378
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
{"Media History Digital Library","Richard Koszarski","Jeff Joseph"}
Coordinator:
Media History Digital Library
Description:
Date Added:
June 20, 2024
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282 CINEMATOGRAPHIC ANNUAL At the time that the negative perforation as ired today was decided upon as standard, a great number of motion picture cameras were in operation throughout the world, and a compromise of perforation shape had to be determined which would not obsolete these existing cameras. Since positive film is handled by machinery more accessible, because of its being part of laboratory equipment, the rectangular perforation was adopted as positive standard because of the greater accuracy in registration that it permits. It is to be hoped that the standardization of film perforation will be revised in a near future. Rack and tank developing. Developing Machines It was in France again that a developing machine made its first appearance. This machine was designed to develop, fix, wash and dry positive films, the processing of negatives was confined to the rack and tank system on account of the rather desultory thought that the