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April 1935
INTERNATIONAL PROJECTIONIST
ROJECTH
With Which is Combined PROJECTION ENGINEERING Edited by James J. Finn
Volume 8
APRIL 1935
Number 4
Index and Monthly Chat
Step-by-Step Analysis of Sound Reproducing Equipment, IX Aaron Nadell
Questions and Answers on Sound Projection
Three-Dimensional Movies 'ReInvented' by Lumiere
Erpi Widens Service Fight; Attempts to Minimize and Misrepresents Craft Opposition James J. Finn
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More Erpi Service Propaganda
In Answer to Erpi's Claim of
No 'Official' Craft Opposition 14
The Editorial Page 15
Corrective Action on Print Footage by SMPE and MPPDA 16
Background Projection for Process Cinematography G. G. Popovici
Mr. Hoffman Replies: 'Costs — Initial and Operating — Favor the A. C. Arc'.
Another Opposing Vote on L. I. Lamp Conversion J. E. McAuley
Arc Data Summary Proper Screen Selection J. C. Heck
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Generators, Rectifiers and Bulbs 20 John Hertner
News Notes
Technical Hints
Miscellaneous Items
Published Monthly by
JAMES J. FINN PUBLISHING CORPORATION
580 FIFTH AVENUE, NEW YORK, N. Y. Circulation Manager, Ruth Entracht
Subscription Representatives
Australia: McGills, 183 Elizabeth St., Melbourne New Zealand: Te Aro Book Depot, Ltd., 64 Courtenay Place Wellington England and Dominions: Wm. Dawson & Sons, Ltd., Pilgrim St., London, E. C. 4.
Yearly Subscription: United
States and possessions, $2 (two years, $3) ; Canada and foreign countries, $2.50. Single copies. 25 cents. Changes of address should be submitted two weeks in advance of publication date to insure receipt of current issue. Entered as second-class matter
February 8, 1932, at the Post Office at New York, N. Y. under the act of March 3, 1879. Contents copyrighted 1935 by James J. Finn Publishing Corp. International Projectionist is not responsible for personal opinions appearing in signed articles in its columns.
MONTHLY CHAT
SEVERAL requests that we publish herein the footages of features and short subjects having been received, we should like to have the reaction of a representative cross-section of readers to this proposal. An effort to interest the exchanges in a means for marking prints is being made; but should such efforts fail, and should a sufficient number of readers desire it, I. P. is prepared to render such a service. How about it?
STRENUOUS efforts have been, and are being, made to prevent the egress of projection room noises to the theatre auditorium. Whether the craft knows it or not, this is one of the most serious defects in the reproduction process. Bluntly, it's damned annoying (particularly when a fellow wants to sleep through a given film program). Seriously, though, most of the noise emanates from spot and other ports which are carelessly left open, and very little noise gets through the projector ports.
This topic has interesting angles. Certain projectionists inform us that open ports are their only means for insuring ventilation, and that a little auditorium noise is very much of secondary importance thereto. Apart from this, we expect to announce soon the perfection of a tongue suppressor which we firmly believe will practically eliminate this trouble.
MUCH loose talk about motion pictures in color is being distributed throughout the industry, with the technically ignorant writers for the general trade press being the worst offenders. We've seen a lot of colored pictures, but outside of the Disney cartoons, we still wouldn't give a nickel for any colored picture alongside a good black-and-white effort.
TO FORESTALL further inquiries from palpitating subscribers the following announcement is made: With the next issue of I. P. will also be mailed the Special Review Number — a swell job editorially and (we hope) advertisingly. All congratulatory messages and words of praise will positively be printed — at space rates.
WE LEARN from the newspapers that the NRA likely will be extended for another two years. Does anybody in the picture business really care? Just look at the swell job NRA did in New York City within something less than two years. You look at it; we can't bear to.
WEST COAST projectionists might with great benefit to themselves attend a few sessions of the S. M. P. E. Convention in Hollywood. May 20-24. This is a once-every-five-years show for California.