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 1661
iuother applications for patents. What I claim is— The incandescing conductor of an electric 50lamp, having apertures in its enlarged ends,such ends and the interiors of such aperturesbeing electroplated, substantially as and forthe purpose set forth. This specification signed and witnessed this… … (No Model.) 2 Sheets—Sheet 2. T. A. EDISON. DYNAMO OR MAGNETO ELECTRIC MACHINE. No. 287,521. Patented Oct. 30, 1883. 6 o ATTES-T:
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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