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 #:
00052
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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MOTION PICTURE PROJECTION 51 half amperes at an arc voltage of 58. In the event of any unit burning out the balance are still operable. Each rheostat consists of from 10 to 40 units, depending on the capacity. Rheostats used on big installations are arranged for remote control, the control panel board with radial multiple switch is placed in the front wall of booth under the look-out port holes. Robin Multiple Unit Rheostat With Manual Remote Control Wheel