International projectionist (Jan-Dec 1947)

TELE FEATURES SMPE MEET (Continued from page 16) quency of 800 cycles. Improvement is obtained in uniformity of distribution and reduction of size and weight. Synthetic Sound on Film, by Robert E. Lewis, Armour Research Foundation of Illinois Institute, and Norman McLaren, National Film Board of Canada. An analysis of both hand-drawn and machine-made sound tracks is presented together with methods. Synthetic sound tracks enable the composer to hear his composition as written rather than through another artist's interpretation. 5 Million Frames Per Second Motion Picture Photograph at Five Million Frames Per Second, by Brian O'Brien and Gordon G. Milne, Institute of Optics, University of Rochester. A new procedure is used in which the image of a rectangular picture is broken up and reassembled into a long narrow strip. After processing, the negative must be reconstructed into a rectangular motion picture frame by projection printing through an optical system similar to that which formed it. Characteristic films will be shown. A Versatile Measuring Instrument Designed for Theatre Sound Service, by C. S. Perkins and E. S. Seeley, Altec Service Corp. A multifunction indicating instrument has been developed to meet the particular needs of theatre sound service. Requirements of accuracy and compactness are satisfied in a design which achieves unusual sensitivity and versatility. A Continuously Variable Band Elimination Filter, by Kurt Singer, RCA Victor Division, Hollywood. A bandsuppression filter, continuously variable from 35 to 9000 cycles and capable of eliminating a very narrow frequency band within this range, has been developed. Any frequency between 35 and 9000 cycles can be attenuated at least 50 decibels. The application of this device in a studio film recording channel, is discussed. A Modern Sound Reinforcement System for Theatres, by C. E. Talley, Roxy Theater, N. Y. City, and R. W. Kautzky, Altec Service Corp. This paper describes a system recently installed in the Roxy Theater, New York Gty, which incorporates a control console of unusual design, equipped with mixers and volume controls of a new type and a method of effecting a stereophonic pickup and reproduction. The Development of Theatre Television in England, by A. G. D. West, PastPresident, British Kinematograph Society, Director, Cinema-Television, Ltd. Historical review of the progress of theatre television in England and a de scription of the design and performance of equipment developed for distribution and projection of television programs. The Gaumont-Kalee Model 21 Projector, by L. Audigier and R. Robertson, A. Kershaw and Sons, Ltd. A description of the main features of the design of the projector which will be on view. The Activities of the SMPE in Theatre Television, by Paul J. Larsen, Chairman, Committee on Television, SMPE. Transactions of the SMPE in the interests of promoting theater television; briefs filed with the Federal Communications Commission. Report of SMPE Committee on Screen Brightness, by E. R. Geib, Chairman. The Role of the Theatre Dimmer in the Neighborhood Motion Picture House, by D. M. Rollins, Ward Leonard Electric Co. A discussion of resistance versus inductance-type dimmers. Report of Film Projection Practice Committee, by G. T. Lorance, Chairman. Theatre Safety, by Walter Cutter, New York University. A general discussion on theatre safety led by Henry Anderson, Paramount Theatres. Large-Screen Television, by Engineers, Radio Corporation of America. Latest NEW DEVRY Equipment Installations Help Exhibitors Achieve "Perfect Show" 'PHIL-KRON of Theatres Model Drive-ln Typical Selecting "12000 Series" In 250-seat to 6,000-seot theatres — in "driveins" with up to 1,000-car capacity — DeVRY's "12000 Series" installations are today helping achieve new highs in audience satisfaction. Pictured is the "PHIL-KRON" Drive-ln Theatre, which occupies a 15-acre tract at the junctions of Routes 51 and 66, Bloomington, III. This model drive-in is attracting Exhibitors, Architects and Contractors from all parts of the country . . . and setting box office records for the community. "PHILKRON" selected DeVRY's for their effectiveness in throwing a perfect image to the 37 x 42 ft. screen; also for the efficiency of DeVRY's improved In Car Speakers that achieve a new standard of sound excellence, for their 850-car capacity theatre. Among the theatres in which recent installa NEW In-Cor tions have been completed are: Bradenton Drive-ln, Bradenton, Fla.; Park Drive-ln Theatre, Toronto, Canada; Roxy Theatre, Concord, N. C; Cankton Theatre, Sunset, La.; New Era Theatre, Harvey, III.; Princess Theatre, Colchester, III.; Crisp Theatre, Gainesville, Mo.; Donk's Theatre, Hudgins, Va.; Sunset Drive-ln, Clarksburg, West Va.; and new Drive-ln theatres at Steubenville, Ohio and Fort Wayne, Ind. You, too, will want to know more about this sensational new equipment that gives you so much more of what you want to help achieve the "perfect show" — and for such a moderate price. See them at the DeVRY theatre supply dealer or actual installation nearest you. The trend definitely is to DeVRYS! In Canada contact Arrow Films, Ltd., 1115 Bay Street, Toronto 5. ™HH DEVRY CORPORATION, 1111 ARMITAGE AVE., CHICAGO 14, U.S. A. INTERNATIONAL PROJECTIONIST October 1947 27