Motion picture projection; an elementary text-book (1921)

Record Details:

Title:
Motion picture projection; an elementary text-book
Date:
1921
Publisher:
New York, Theatre Supply Co.
Volume:
Motion picture projection; an elementary text-book
Leaf #:
000149
Language:
English
Collection:
Books
Format:
Books
Contributor:
University of California Libraries
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
Date Added:
July 19, 2022
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148 MOTION PICTURE PROJECTION chines, the diameter of the shutter shaft and the distance for the cable required. Where it is desired to use a meter in the orchestra pit, the distance between the two projection machines and the orchestra pit, measured on one side of the circuit, should be given. In the majority of the larger theatres it is customary for the director to be present in the reviewing room at the time the rehearsal is made. Then the proper length of the performance is predetermined and the running speed noted, and the musical director arranges his music accordingly. With the operating speed predetermined the operator starts his machine and regulates the speed of the projection machines in the regular way by the motor attachment until the indicator shows the correct speed in feet per minute, and in this manner the music and the projection speed is synchronized and the duration of the performance will be the same at each showing. In use in the majority of leading theatres throughout the country where it has proved the value and necessity of projecting pictures at the relative speed as taken, with music synchronized to support the action of the photoplay.