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Scientific American, Vol. 42, No. 5 (January 1880) (1880)

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An illustration from Scientific American, Vol. 42, No. 5 (January 1880), 1880, leaf 0
iron wire are wound circumferentially, and over this are The electromotive force of the first machine in the series ing building there are 4,600 bichromate of potash elements, wound longitudinally the insulated wires forming the all of which are to be replaced by electricmachines,and the is 50… … DYNAMO-ELECTRIC MACHINES APPLIED TO TELEGRAPHY-WESTERN UNION BUILDING, NEW YORK CITY. © 1880 SCIENTIFIC AMERICAN, INC

Patents · Iron · Locomotive · Patented · Scientific American · Cameo · Hunting dog · Croton bug · Western union · Large number · American export · Years ago · Light locomotives · Export edition · Steam engine

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