Thompson Incandescent Dynamo

Description:

Thompson Incandescent Dynamo, by Thompson-Houston Electric Co., Lynn, Massachusetts, Class D1 1/2 S, 110 volts, speed 2500, No. 3725, with twin 6-inch diameter under-mounted coils, 6-inch diameter armature, (damaged) brush frame, twin brass brush holders, and cast-iron frame with maker's plaque with patent dates to 1886, on adjustable oak base, ht. 18 1/2 in.
Estimate $2,000-3,000

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