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 679
stantially as set forth, for less-ening the resistance of the shunt as the tem-perature of the light-giving body increases,as specified. 2. The circuit connection t, in combinationwith the levers or springs n, yoke I, light-giv-ing body i, and circuit-connections, substan-tially as set forth.… … 2 Sheets—Sheet 2. T. A. EDISON.Dynamo-Electric Machine. No. 219,393. Patented Sept. 9, 1879.
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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