Inside Out Library

Collection of United States patents granted to Thomas A. Edison, 1869-1884 (1869)

Edison, Thomas A. (Thomas Alva), 1847-1931, Peters, N. (Norris), lithographer, Hammer, William Joseph, 1858-1934, former owner. DSI, Edison, Thomas A. (Thomas Alva), 1847-1931, inscriber. DSI, United States. Patent Office · Washington, D.C. : U.S. Patent Office · leaf 1547

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 1547
commutator brushes orsprings connected with the main and consump-tion circuits, substantially as set forth. 5. The combination, with the main aud con-sumption circuits, of the double-wound core Mor cores, the commutator-cylinders, and theex-terior irou ring, substantially as set forth. This… … WITNESSES: INVENTOR: OTA BY ATTORNEY PETERS, Photo-Lithographer. Washirttftfrt. f> C. United States Patent Office THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY, ASSIGNOR TO THEEDISON ELECTRIC LIGHT COMPANY. OF NEW YORK, N. Y. DYNAMO-ELECTRIC MACHINE. SPECIFICATION forming part of Letters Patent…

Trade catalogs · Patents · Edison, Thomas A. (Thomas Alva), 1847-1931 · Inventions · Telegraph · Electric machinery · Electric apparatus and appliances · Phonograph · Telephone · Motors

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