Projection engineering (Sept 1929-Nov 1930)

Record Details:

Title:
Projection engineering
Date:
Sept 1929-Nov 1930
Publisher:
New York : Bryan Davis Publishing Co., Inc.
Volume:
Projection engineering (Sept 1929-Nov 1930)
Leaf #:
000262
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:
September 28, 2023
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Page 34 Projection Engineering, April, 1930 Complete Instruction in SOUND MOTION PICTURES RCA INSTITUTES Announces Complete instruction in sound motion picture installation . . . maintenance and repair. You study under the direction of RCA . . . and are trained by RCA experts. This is the most thoroughly equipped sound motion picture school . . . Western Electric and RCA Photophone used throughout. RCA Institutes offers you not only the finest equipment but the most thorough and practical training in every phase of sound motion picture installation and maintenance. RCA INSTITUTES, Inc. A Division of Radio Corporation of America 75 Variek St. New York M [ixer Controls, Constant Impedance Faders, Volume Controls and Transformers for Speech Input and associated equipment. Write for Bulletins K1-K2-L1 and Ml describing this apparatus D'Arcy Laboratories 205 West Wacker Drive Chicago, Illinois POWER AMPLIF IE R S MODEL 245 MODEL 250 for theatres, public halls, etc. Maximum output 4,700 milliwatts. A standard double button microphone may be used. Both models are resistance coupled two stage amplifiers using a screen grid tube in the first stage. Will meet the most exacting tone quality requirements. H. J. L. LABORATORIES 800 N. Clark St. Chicago, III. May issue of Projection Engineering features the S. M. P. E. meeting at Washington, D. C. ■♦■ Advertising forms close April 25th Bryan Davis Publishing Co., Inc. 52 Vanderbilt Ave., New York City