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 569
ring a 6,points o d, and line and earth wire m, all ar-ranged and operated substantially as set forth,and for the purposes specified. 5. The shunts E1 and E2, Fig. 3, resistanceE, condenser c, in combination with the elec-tro-magnet or other receiving-instrument, forthe purposes set forth. Signed… … United States Patent Office. THOMAS A. EDISON, OF MEILO PABK, NEW JEESEY.IMPROVEMENT IN AUTOMATIC-TELEGRAPH PERFORATOR AND TRANSMITTER. Specification forming part of Letters Patent No. 200,994, dated March 5, 1878 ; application filed November 11, 1876. To all whom it may concern: Be it known that…
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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