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Principles of cinematography : a handbook of motion picture technology (1953)

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PROCESSING EQUIPMENT 87 are recessed at the centre so that contact is only made with the extreme edges of the film. The swinging jockey roller, which rests on the emulsion surface, serves to prevent the film from being blown up against the upper nozzle which would then scratch the emulsion and catch the joints in the film. The Drying Cabinet The drying cabinet is divided into two sections by a sheet metal plate, supported vertically down the centre of the cabinet. As seen in Figure 41, each section contains two racks of film, the top rollers of which rotate about a fixed centre, and the lower rollers are mounted in brackets which are free to ride in vertical channels. In a similar manner to the processing racks, each set of rollers in Fig. 41.— Film drying cabinet.