Journal of the Society of Motion Picture Engineers (1930-1949)

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28 HALL, MAYER AND MASLACH July 150 fpm. These machines have long internal film paths and use large quantities of developer and fix solutions. They are therefore quite large, requiring one or more rooms for complete installation. Threading is a lengthy operation. The travel time from one end of the machine to the other may be as long as 30 min. Television film processing introduces a new operating condition, calling for a different type of processor. In this case, the processor Fig. 1. Rapid film processor, front view. receives film directly from the camera, and the prime requirement is that the film should be ready for projection in as short a time as possible. The machine developed for this purpose is called a Rapid Film Processor. It differs from a bulk film processor in several respects. The film travel rate is only 36 fpm, which corresponds to the average rate of 16-mm film, exposed at 24 frames/sec. Since the rate is much lower than that required in a bulk film processor, the