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 #:
00084
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 83 FUSES A safety device used on your line to protect the circuit. A short length of fusable wire introduced in a circuit so that if the temperature of circuit should rise above the rated capacity of fuse the wire will melt and thereby open the circuit. Fuses are made in different shapes and sizes, the moving picture operator, however, will only be called upon to handle the under-mentioned. Copper-Tipped Fuse Link Link Fuse. The link fuse is the fuse always used in the booth, being of the open type it cannot be readily boosted without same being plainly seen. Enclosed or "Cartridge" Fuse Section of Enclosed Fuse