16-mm sound motion pictures : a manual for the professional and the amateur (1953)

Record Details:

Title:
16-mm sound motion pictures : a manual for the professional and the amateur
Date:
1953
Publisher:
New York : Interscience Publishers
Volume:
16-mm sound motion pictures : a manual for the professional and the amateur
Leaf #:
000418
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Niles Essanay Silent Film Museum
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
April 11, 2024
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402 XII. PROCESSING AND RELEASE PRINTING rangements used commercially to accomplish picture printing: (1) the timing board such as the Depue light board; (2) the adjustable stop of Bell and Howell; and (3) the pre-perforated timing strip, such as is used by DeBrie. Each type has its advantages and disadvantages which become evident when it is described functionally. Fig. 101. Cinex light tester. (1) The Depue light change board (Figs. 102 and 102 A) is usually made in capacities of 76 and 152 scenes; it consists of a vertical board with 75 or 150 sliders, numbered 1 to 75 or 1 to 151, inclusive. There are 20 settings on each slider, one for each printing light. The operator sets each of the sliders in turn in accordance with the timing data written on a timing sheet provided by the timer; setting is done just before the switch is turned on to run the machine. Each slider of the light change board sets the resistance in the printing lamp circuit, thereby producing the desired exposure. The "board," as it is often called, is connected electrically to the printer so that the closing of the pressure-sensitive switch that is actuated by a passing film notch energizes a relay located on the board, thereby dropping the connection bar to the printing light set up for the next scene. If several prints are to be made from a single image-bearing film one after the other, it is necessary to set up the light board only once; if single prints are to be made, it will be necessary to set up the light board each time.