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A Technical and Educational Publication. Devoted to the Western Projectionist and his Progressive Fellow Craftsman Everywhere.
RODNEY T. BACON W. G CROWLEY H. E. ALFORD
Supervising Editor Edifor-in-chief Business Manager
W. R. HERMACNE l26^ Wellon Way A. L. FEINSTEIN
Staff Photographer Inglewood Calif. Pleasant7332 Circulation
JAMES B. GILLARD, Oakland Editor Technical Editors,
1436 Delaware St. Berkely, Calif. A. C. SCHROEDER, D. B. McGOWN
Volume II. MARCH, 1931 Number 3
CONTENTS
The Modern Portable By Chas. Watson 7
Characteristics of High Intensity Arcs
By D. B. Joy and A. C. Downes 9
Nature of Light By Robert D. Clark, A. P. S. . . . 13
Showmanship By Lloyd C. Litton, A. P. S 16
Standard Release Print Progressing 17
Academy Officials Discuss Standard With
Projectionists 19
Give the Musicians a Break By J. B. G 20
Craft Technical Data By A. C. Schroeder .... 21
Just How Clever Are You? 24
First Oakland Meeting for 1931
By Geo. J. Lancaster, A. P. S 25
Things in General By the Editor 28
Pin Spots 29
Chapter Doings — California Chapter No. 7 and
San Bernardino Chapter No. 19 30
Secretarial Comment — California Chapter No. 7 31 Condenser System for Wide Film By E. H. Rooney 35 Health Talks for Projectionists 36
Published Monthly, Sponsored by The California Chapter Number Seven, A. P. S. Subscription Price, $1.50 Per Year. In Groups of Five or More, $1.00. Single Copies, 25c. Address Circulation Manager, 2432 Cloverdale Avenue, Los Angeles, California.
Established 1930. Advertising Rates on Application.
Address Advertising Manager, 2628 West Blvd., Los Angeles, California
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