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 769
(No Model.) No. 237,732. T. A. EDISON.Electric Light. \x Patented Feb. 15, 1881. … 1— JE7 ~1 N.PETERS. PHOTO-LITHOGRAPHER, WASHINGTON, D C. United States Patent Office. THOMAS A. EDISON, OF MENLO PARK, NEW JERSEY.ELECTRIC LIGHT. SPECIFICATION forming part of Letters Patent No. 237,732, dated February 15, 1881. Application filed June 30, 18F0. (No model.) To all idiom it may…
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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