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 1225
ed in the same or another mul-tiple-arc circuit, and a vibrating circuit-con-troller for controlling the current energizingthe first-mentioned electro-magnet, placed inthe circuit of said first-mentioned magnet orin a shunt around the same, substantially asset forth. This specification signed and… … WITNESSES: INVENTOR:ATTORNEY . N. PETERS, Pbcto-Lrthcgrapbftr. Waihinglon. 0. C. United States Patent Office. THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY.REGULATOR FOR DYNAMO-ELECTRIC MACHINES. SPECIFICATION forming part of Letters Patent No. 264,660, dated September 19, 1852. Application filed…
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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