Sound motion pictures : from the laboratory to their presentation (1929)

Record Details:

Title:
Sound motion pictures : from the laboratory to their presentation
Date:
1929
Publisher:
Garden City : Doubleday, Doran & Company, Inc.
Volume:
Sound motion pictures : from the laboratory to their presentation
Leaf #:
000177
Language:
English
Subjects:
Motion Pictures, Motion pictures--Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
August 22, 2024
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CHAPTER VII MAINTENANCE AND INSPECTION I. Introductory In the broadest sense, operation includes maintenance and inspection; but considerations of convenience to the reader — to say nothing of space or of the magnitude of the entire subject — move me to create the present division. Suffice it to say, then, that the main difference between this chapter and the one before is a matter of emphasis. Here we are concerned with the necessary business of keeping the apparatus in such shape that it may be run dependably. Since detail is almost forbidding, I have confined my explanations to but two of the various kinds of mechanism — the Western Electric and the R. C. A. systems. In these, however, I believe I have omitted no detail at all. The reason will be apparent to anyone who reads carefully; no detail, in this connection, is a trifle. Consequently I offer a text of reference and a moral. The latter arises from the first and signifies that when a delicate machine is operated to provide subtle effects, the price of success is eternal vigilance. The maintenance and inspection of sound mechanisms demand constant, unremitting care and attention. II. The Western Electric System All the information given in this part of the chapter has been based on operating experience gained from a large number of theatres. Those interested should make them 157