Maker and Role
General Electric Corporation, Manufacturer
Stainless steel developing tank in black leather carry case (for use with HP3 aerial film 5 1/5" x 19 ft. and K20 type camera). Model 5-25-300, specification No.90-1. Tank is cylindrical in shape, with component with two film reel cylinders inserted into tank. Tank has small notch in one side to ensure reels do not move. Tank is housed together with synchronous induction motor - model 5SMY 501,15 GEC Schenectady, New York, USA. Motor is black metal and slots onto reel cylinders. Has a power cord extending from top, with a switch and makers plate. Case also houses a roll of film on a stainless steel reel.
Signature/Marks and Type
General Electric / Synchronous / Inductor Motor / Model 5SMY 50LI5 / V 15 A CY SQ / Torque 20 In.Oz RPM 75 / Inst. GEJ-842 Fig. Cont. 40˚C Rise / U.S. PAT. 1633805 1947274 4998563 2027964 / 2027996 2027997 2085995 2105513 2180983 / AY / Schenectady N.Y. / Made in U.S.A. / N.P. 83200 Maker's Plate
Developer-Mod. 5-25-300 / Spec. No. 90-1 / Cont. No. N288S-7458 / Patco. Norristown. PA Engraved
PATCO et al. Tank - Developing, 1978.192.2. The Museum of Transport and Technology (MOTAT).