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 945
theinductive bars, substantially as set forth. 2. In a dynamo or magneto electric machine 70or electric engine, the combination, with thecylindrical armature-core, of the longitudinalinductive bars, two series of concentric rings,and commutator-connections, substantially asset forth. . 75 This… … S. IS). cU*+fc €Lbb 1 PETERS. Photo-Lithographer, Washington, United States Patent Office, THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY, ASSIGNOR TO THEEDISON ELECTRIC LIGHT COMPANY, OF NEW YORK, N. Y. ELECTRIC LIGHT. SPECIFICATION forming part of Letters Patent No. 251,538, dated December 27, 1881.…
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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