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 1007
with a suitable insulating material,substantially as set forth. 35 5. A metallic circuit composed of semicir-cular rods secured within but insulated froma metallic containing-tube, the arcs of the con-ductors and the tube beingconcentric, substan-tially as set forth. 40 This specification signed… … S. Photo Lilhograi*. Ws»»f!<°- 0 United States Patent Office. THOMAS A. EDISON, OF MENLO PAEK, NEW JERSEY, ASSIGNOR TO THEEDISON ELECTRIC LIOHT COMPANY, OF NEW YORK, N. Y. ELECTRIC CHANDELIER. SPECIFICATION forming part of Letters Patent No. 251,553, dated December 27, 1881. Application filed…
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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