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 1305
shunt around 60the arc, containing a heating-coil, aud an ex-pansible chamber, substantiallyas aud for thepurpose set forth. 3. In regulating mechanism for electric-arclights, the electric heating-coil and expansi- 65ble inclosing chamber, substantiallyas and forthe purpose set forth. This… … United States Patent Office. THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY, ASSIGNOR TO THEEDISON ELECTRIC LIGHT COMPANY, OF NEW YORK, N. Y. ELECTRIC-LIGHTING SYSTEM. SPECIFICATION forming part of Letters Patent No. 265,776, dated October 10, 1882., Application filed November 11, 1881. (No model.) To…
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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