Showmen's Trade Review (Jan-Mar 1940)

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March 30, 1940 SHOWMEN'S TRADE REVIEW Page 31 'What to dor THE QUESTION OF "HOW TO HAVE HIGH INTENSITY PROJECTION AT LOW COST" has now been answered by T/ie New 19000 Series /a PROJECTION ARC LAMP AND ASSOCIATED RECTIFIER EQUIPMENT A low cost, high intensity, direct current projection arc of intermediate capacity designed especially for theatres of up to 800 seats and using screens as large as 18 feet in width, heretofore restricted to the use of low intensity lannps, with their dim yellow light, because the operating, if not the original cost of the earlier high intensities has been prohibitive. Although the Simplex High projects twice as much light as the low intensity the over-all operating costs are only slightly higher, because this new arc operates at only 27 volts a« compared to 55 volts in the low intensity, and each 14-inch 7 m.m, suprex positive carbon burns for at least two hours. This Simplex High projects the snow white light characteristic of the high intensity arc which is so necessary to the projection of colored pictures. Distributed hy — NATIONAL THEATRE SUPPLY COMPANY ANOTHER EXAMPLE OF Branches In Principal Cities ENGINEERING EXCELLENCE