OPERATING INSTRUCTIONS

FOR

SYNCHRONOUS REPRODUCING EQUIPMENT

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WESTERN ELECTRIC SOUND PROJECTOR SYSTEM

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For applications of the system to other purposes than synchronous reproduction, see the separate operating instructions covering such applications.

ISSUED BY

Electrical Research Products Incorporated

250 West 57th Street

New York, N.Y. U.S.A.

 

C O N T E N T S

Introduction . . . . . . . . . . . . . . . . . . . . . . 1
Storage Batteries . . . . . . . . . . . . . . . . . . 6
Starting and Testing . . . . . . . . . . . . . .. . 12
Setting Up . . . . . . . . . . . . . . . . . . . . . . .23
Running the Show . . . . . . . . . . . . . . . . . 27
Rehearsing . . . . . . . . . . . . . . . . . . . . . . .32
Troubles . . . . . . . . . . . . . . . . . . . . . . . . 35
Replacements . . . . . . . . . . . . . . . . . . . . 47
Illustrations. . . . . . . . . . . . . . . . . . . .At End
Illustration Index (not detailed in the original manual)
Film Splicing detail
Operating Side View of Equipment
Driving Side View of Equipment
41-A, 42-A, 43-A Amplifiers and Output Control Panel
46-A Amplifier and Battery Panel
Film-Disc Transfer Panel and Horn
Film Pickup Attachment on Simplex Projector
Synchronism Detail for both Disc and Film Methods

Issued as of August l5th,1928.

 

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