Richardson's handbook of projection (1930)

Record Details:

Title:
Richardson's handbook of projection
Date:
1930
Publisher:
New York : Chalmers Publishing Company
Volume:
Richardson's handbook of projection
Leaf #:
000175
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:
March 28, 2024
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MANAGERS AND PROJECTIONISTS 1099 not be disturbed, except there be signs of deposit. If deposit appears, wipe off all vaseline. Disconnect the terminal. Scrape off all deposit, until the metal is clean and bright. Next, having made sure the stud and interior of the clamp is clean, wipe it with a cloth dampened with ammonia or soda solution, grease stud and interior of clamping band with vaseline and bolt the two tightly together. Coat the whole terminal with vaseline and the job is done, but test the clamp nuts once each week to be sure they are tight. A terminal not perfectly tight makes itself manifest in the form of noise in the theatre horns. Sometimes these terminal connections loosen up, so go over them regularly and tighten them up if necessary. The only man who can't be cheerful at his job is the undertaker.