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Main Starter Switch, Early 20th Century

Inventory Number: 39443

39443-92107-2t 39443-1t 39443-2t 39443-92107-1t

Date: Early 20th Century

Maker Details: Unknown

Inscription: "VOLTS 24 / .25 K.W. / NO 45963" on brass plaque on upper surface.

Size: 180 x 130 x 75 mm (casing)

Materials: Iron, brass, copper, celluloid?, bakelite?, wood.

Other Given Number(s): Christie's 138, Science Museum Loan 1960-283, 851/2 (white tag).


Main Starter Switch (24 Volts, 0.25 kW), in black-painted lattice iron casing with progressive switch with black-painted handle and copper points. Including variable A.C. generator control with celluloid? label and bakelite? dial. With four brass double-screw terminals marked "A.G.F.", "ARM", "MAIN", "FIELD". Previously catalogued with similar Main Starter Switch (Inv. Num. 92107).

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