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 983
WITNESSES: INVENTOR:ATTORNEYS. N. PETERS. Photo-Uhographer, Washington, D. C. (No Model.) 2 Sheets—Sheet 2. T. A. EDISON. ELECTRICAL GOVERNOR. No. 251,547. Patented Deo. 27,1881. … WITNESSES: BY INVENTOR:ATTORNEYS. Crv\ 5, Photo-Lithographer. Washington. D United States Patent Office. THOMAS A. EDISON, OF MENLO PAEK, NEW JERSEY, ASSIGNOR TO THEEDISON ELECTRIC LIGHT COMPANY, OF NEW YORK, N. Y. ELECTRICAL GOVERNOR. SPECIFICATION forming- part of Letters Patent No. 251,547,…
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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