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 675
circuit, containing electriclamps, and the secondary battery and inclos-ing-ease, in combination with the main cir-cuit through the secondary battery, a dia-phragm acted upon by the accumulation ofgas in the secondary battery, and a switch-le-ver in the main circuit, substantially as andfor the… … N. PETERS. Pholo-Lithograpta-, Wanhington, D. C. United States Patent Office. THOMAS A. EDISON, OF MENLO PAKE, NEW JERSEY.IMPROVEMENT IN ELECTRIC LIGHTING APPARATUS. Specification forming part of Letters Patent No. 218,§66, dated August 26, 1879. To all whom it may concern. Beit known that I,Thomas…
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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