Projection engineering (Jan 1932-Mar 1933)

Record Details:

Title:
Projection engineering
Date:
Jan 1932-Mar 1933
Publisher:
New York : Bryan Davis Publishing Co., Inc.
Volume:
Projection engineering (Jan 1932-Mar 1933)
Leaf #:
0008
Language:
English
Collection:
Technical Journals
Format:
Periodicals
Contributor:
Library of Congress, MBRS, Moving Image Section
Sponsor:
Library of Congress, Motion Picture, Broadcasting and Recorded Sound Division
Coordinator:
Media History Digital Library
Description:
Date Added:
December 14, 2023
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II FOREST RECTIFIERS for Good Projection Everywhere Until recently it was the general practice to use batteries or motor generators to supply direct current to sound systems. Today Forest Rectifiers are used to replace troublesome storage batteries and motor generators. Forest rectifiers save current, are efficient, supply unfailing non-fluctuating current, require no attention or attendance and are always ready for service. Every NEW sound installation should have a Forest Rectifier. Every OLD installation should be modernized for greater saving and better sound. The finest sound installation is made better with a Forest Rectifier. There is a Forest Rectifier for every type of sound installation. m "bSS Model 77 illustrated is ^ for supplying 7'/2 amperes to exciter lamp and 1 ampere to amplifier filaments. Models are made for every directcurrent requirement. MODEL 77, FRONT VIEW MODEL 77, INSIDE VIEW FOREST ELECTRIC CORP. NEWARK NEW JERSEY THE FOREST ELECTRIC CORP., New Street, Newark, New Jersey. Gentlemen: I am interested in hearing more about Forest Rectifiers for use in sound system installations. Name Address State