International projectionist (Jan-Dec 1935)

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26 INTERNATIONAL PROJECTIONIST May 1935 Only High Intensity Arcs Give HIGH INTENSITY PROJECTION % jL H. C. 10 Super Intensity Lamp The Lamp With HjSB Accurate ■^Mn I Arc ^^^ uvwi B ^K^wPy^^^l Regulation T^ Descriptive booklet or HALL & 24 Vandam St. i request. Write for it to CONNOLLY New York, N. Y. Your Preference — Please We solicit your aid, Mr. Reader, to the end that International Projectionist may render the maximum service to its readers. You can help to improve this service by stating your preference for editorial matter. What type of articles, drawings, photographs and features do you prefer? Use the space below to record these preferences. We'll do the rest. USE THIS FORM Editor, INTERNATIONAL PROJECTIONIST Sir: I should like to have published in INTERNATIONAL PROJECTIONIST articles (or drawings) relating to the following subjects: 1. 2 3 4 Name Address a tube is not functioning. It is a great help in factory inspection. The inability to see inside a metal tube is a real disadvantage. 6. Loss of vacuum is a serious hazard in the proposed American metal tubes, because, as compared to glass tubes, they require twice as many vacuum seals and each seal is much more intricate. Any air leaks at any one of the sealing points in any metal tube stops the radio from working. In the wide choice of types of glass tubes, a higher power output of pure tone is available as compared to the proposed metal tubes. Also, glass tubes are practically foolproof. With all their highly scientific design, breakage in the factory and in service is practically nil. Their ruggedness is attested to by the fact that they are universally shipped installed in their sockets ready for use, and that they withstand transportation by rail, truck, steamship, and loading and unloading, without injury or breakage. Also, millions of radios using glass tubes are in daily use in automobiles and trucks driven over all kinds of roads. [Note: Proponents of the new metal tubes, replying to Philco, stated that the opposition had its roots in the necessity for redesign of radios and other sound reproducing systems for use of the metal tubes. Metal tubes for theatre sound systems probably will not be developed for at least a year. — Editor.] I RCA HIGH FIDELITY GAINS New RCA Victor High Fidelity sound reproducing systems are to be installed in 23 deluxe RKO theatres all over the country, according to word from Edwin C. Hartley, manager of the Photophone department. With these installations completed, the RKO circuit will have been practically 100% equipped with the very latest reproducing equipment. Tri-State Motion Picture Co., industrial picture organization of Cleveland, Ohio, has completed a license arrangement whereby all recordings will be made by RCA High Fidelity equipment. In Michigan — it's the AMUSEMENT SUPPLY CO. 208 W. Montcalm St. Detroit, Mich. for the best and most complete stock of theatre equipment — including visual and sound projection supplies — at the leading independent theatre supply house in the Middle West.