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 705
T. A. EDISON.Magneto-Electric Machine. No. 222,881. Patented Dec. 23, 1879. … N. PETERS. PHOTO-UTHOGRAPHER, WASHINGTON, D 0. ctnited States patent Office. THOMAS A. EDISON, OF MENLO PAEK, NEW JERSEY.IMPROVEMENT IN MAGNETO-ELECTRIC MACHINES. Specification forming part of Letters Patent No. 222,§8l, dated December 523, 1879; application filed September 10, 1879. To all whom it…
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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