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Page 40
Projection Engineering, May, 1930
k PROVED A
PERFORMANCE
EVEREADY RAYTHEON
TUBES FOR TALKING
PICTURES, TELEVISION
AND ALL INDUSTRIAL PURPOSES
THESE tubes have firmly established their position in the fields of talking pictures and television, and in the greatly broadening field of. industrial usage.
The Eveready Raytheon Foto-Cell is a longlife tube for talking pictures, television and industrial purposes, such as control of illumination, automatic counting, paper-testing, color matching and others. It comes in several standard types, or can be made to specification.
The Eveready Raytheon Kino-Lamp is the first television receiving tube developed commercially that will work with all systems. Each tube is carefully tested.
We welcome inquiries from every one interested in talking pictures, television and Foto-Cell applications of any nature.
• • •
The Eveready Hour, radio's oldest commercial feature, is broadcast every Tuesday evening at nine (New York time) from WEAF over a nation-wide N. B. C. network of 30 stations.
NATIONAL CARBON COMPANY, INC. General Offices: New York, N. Y.
Branches: Chicago Kansas City New York San Francisco
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Unit of Union Carbide , and Carbon Corporation
EVEREADY RAYTHEON
Trade-marks
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 Varick St. New York
Williams Press, Inc., new york — albany