Servicing projection equipment (1932)

Page scan 00033 from Servicing projection equipment

Record Details:

Title:
Servicing projection equipment
Date:
1932
Publisher:
New York : Mancall Publishing Corp.
Volume:
Servicing projection equipment
Leaf #:
00033
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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FILM (After Rewinding) 17 rewinding and handling. Dust is especially likely to cause harm if the film is stored on the rewind table. Keep such poorly surfaced floors very clean or else have them re-surfaced. 3. "Rain" Develops While Running the Film (a) — Dust and dirt have been allowed to collect in the projector. Keep the projector absolutely clean, and attend to this often enough to prevent the accumulation of dust, dirt, and oil from causing trouble. (b) — Dirt, dust or oil may be on the film. These accumulate on the projector parts which are in contact with the film and then damage the balance of the film run through. Keep the film away from any contact with oil or dirt. (c) — A too free use of cement in splicing may be the cause. This accumulates on the tension shoes, the sprockets, the aperture, and the track, and forms an abrasive. Use less cement and clear off any excess. 4. "Rain" Develops When Rewinding (a) — Dirt, dust, or oil are on the film. Avoid the cause and prevent the trouble. (b) — Rewinding with a heavy brake tension may be the reason for this trouble. The heavy brake tension causes the layers to be pulled against each