Servicing projection equipment (1932)

Record Details:

Title:
Servicing projection equipment
Date:
1932
Publisher:
New York : Mancall Publishing Corp.
Volume:
Servicing projection equipment
Leaf #:
000145
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
August 15, 2024
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PROJECTOR 129 4. Film Buckles (a) — This may be due to extreme wear of the aperture plate. If it is worn down or uneven, replace it. (b) — Incorrect tension will also cause this trouble. The tension should be examined and adjusted. (c) — The corners of loose patches may be catching or binding. All splices must be welded right out to each edge, the sprocket holes must be matched carefully. No free edges should be found on the film, especially that edge which comes in contact with the tension shoes while passing through the projector. 5. Film Climbs Sprocket (a) — The sprocket idler may be badly adjusted, having more pressure on one side than on the other. (b) — Dirt, oil, film cement, and emulsion are deposited on the teeth or other parts of the sprocket assembly. These parts should be cleaned. (c) — The replaced sprockets are not truly lined-up. Be sure the alignment with all the parts in the film line of travel are exactly in line with one another.