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…
Internet Archive · Public domain (published before 1931). Free to use for anything.