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Scientific American, Vol. 93, No. 15 (1905) (1905)

leaf 13

An illustration from Scientific American, Vol. 93, No. 15 (1905), 1905, leaf 13
286 Scientific American OcropER 7, 1905. … + (INCORPORATED) ELECTRO MOTOR. SIMPLE, HOW TO STEEL, COPPER, ; 146 West 56th Street, New York City The quantity used was regulated so that the BRASS AND make.—By G. M. Hopkins. Description of a small elec- nitrogen should be the same as in the 100 A HIGH GRADE SCHOOL OF INSTRUCTION tric motor…

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