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

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Fig. 2. Overall front view of completed high-speed film processor. tion of the pump speed from one-eighth the motor speed to twice the motor speed. A cast-iron protectively coated junction box was mounted on the frame to allow waterproof electrical connections. All wiring was encased in steel tubing and completely shielded from the splashing of the fluids. A large stainless-steel drip pan of 10-gal capacity was placed beneath the pumps, above the motors, with provisions to drain the pan in one corner. The chamber and valve frame (see Figs. 2-6) is mounted on the top righthand side of the base frame. The valves control the introduction of the various fluids into the processing chamber. This processing chamber is made of 1-in. lucite, and designed in such a way that film can be introduced into the chamber easily, while still permitting the use of different channel sizes. For this purpose a draw slide was built into this chamber (see Figs. 3 and 4) in 112 February 1953 Journal of the SMPTE Vol. 60