Electric Motor by Electro-Dynamic Co., Philadelphia, with two terminals, double shaft and nickel-plated end-caps with cast design and patent date May 18 1880, lg. 7 in., in later wood storage case.
Electric Motor by Electro-Dynamic Co., Philadelphia, with two terminals, double shaft and nickel-plated end-caps with cast design and patent date May 18 1880, lg. 7 in., in later wood storage case.
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