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 1645
ected with main conductors, two gen-erator-coils, each connected with a commuta-tor-cylinder, main distributing-conductorsconnected each with a brush bearing on one 60commutator, and a compensating-conductor |connected with both the opposite brushes,Substantially as set forth. This specification… … N. PETERS. Photo-Lithognaptwr. Washington. D. C United States Patent Office* THOMAS A. EDISON, OF MENLO PAEK, NEW JEESEY, ASSIGNOB TO THEEDISON ELECTEIO LIGHT COMPANY, OF NEW YOEK, N. Y. SYSTEM OF ELECTRICAL DISTRIBUTION. SPECIFICATION forming part of Letters Patent No. 387,517, dated October 30,…
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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