Journal of the Society of Motion Picture and Television Engineers (1950-1954)

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Fig. 5. The RCA CinemaScope sound system. because of metallic reflection characteristics, is excellent for 3-D projection and hence is universal in application. Screens are also being made abroad by A. R. Brackell, in Australia; British Optical & Precision Engineers, Ltd., in England; Michel Avenard, in France; Siemens-Halske Aktiengesellschaft, in Germany; Cinemeccanica S.P.A., in Italy; Jose Jover S.A. and Industria Electronica S.A., in Spain; and A. S. Nils Nessim, in Sweden. Between September 5 and December 31, 1953, approximately 5,000,000 ft of release film had been produced and put into use in the domestic and foreign markets. This footage was represented by four feature productions, a number of short subjects and an industrial film. Using the same methods, other studios and independent producers were making features for general release in 1954. CinemaScope Equipment Westrex developed a release "printer" for multiple-track recording on striped theater prints for Twentieth CenturyFox Film and M-G-M. This printer, an adaptation of the Westrex RA-1506 recorder28 reproduces four magnetic soundtracks from a master negative film and records four tracks on each of five composite release prints in one operation. An RA-1505 cabinet-type rerecorder and five RA-1506 recorders are used (Fig. 3). Westrex developed the R-9 penthouse reproducer (Fig. 4) for theater projectors.25 It uses two impedance drums, tight film loop, and the well-known Davis-drive and flutter sup 342 May 1954 Journal of the SMPTE Vol. 52