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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 457

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 457
rmature that operates the printing-lever,as set forth. 2. The arrangement of the type-wheel leverand armature between two electro-magnets,and an armature and lever at one side of thetype-wheel, operating an impression - pad atthe opposite side of the type-wheel, substan-tially as set forth. Signed… … 4 United States Pater**1 Office, THOMAS A. EDISON, OF NEWAKK, NEW JEESET, ASSIGNOR TO HIMSELFAND GEORGE HARRINGTON, OF WASHINGTON, D. C. IMPROVEMENT IN TRANSMITTERS AND RECEIVERS FOR AUTOMATIC TELEGRAPHS. Specification forming part of Letters Patent No. 168,242, dated September 28, 1875;…

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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