Cinematographic annual : 1930 (1930)

Record Details:

Title:
Cinematographic annual : 1930
Date:
1930
Publisher:
Hollywood : The American Society of Cinematographers, Inc.
Volume:
Cinematographic annual : 1930
Leaf #:
000422
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:
March 21, 2024
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402 CINEMATOGRAPHIC ANNUAL is made twenty frames in some laboratories, nineteen in others. The reason for such a spacing is that it would obviously be impossible to have the reproducing accessories at the projector picture aperture. FIGURE 1 Simplex projector equipped with RCA Photophone sound head and disc attachment. The optical system is focussed so that the reproducing light beam on the film is .085" x .001". The exciting lamp which illuminates the optical system is a small Mazda lamp, having a coiled filament suspended horizontally. Provisions for conven