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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 1165

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 1165
serv- 85ice-conductors laid entirely around each blockof a district, of feeding-conductors, each con-nected with one of said positive and negativeconductors at points, on opposite sides of eachblock electrically equidistant from the central 90station, substantially as set forth. This specification… … ATTORNEYS. United States Patent Office THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY, ASSIGNOR TO THEEDISON ELECTEIO LIGHT COMPANY, OF NEW YORK, N. Y. DYNAMO OR MAGNETO ELECTRIC MACHINE. SPECIFICATION forming part of Letters Patent No. 264,646, dated September 19, 1882. Application filed IToveniuer…

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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