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 409
the line prevents this portion ofthe current passing to the chemical paper;hence the tailing is not made to the mark. I claim— A stylus for a chemical receiving-instrument,in combination with mechanism for communi-cating to such stylus a rapid vibration towardand from the paper, for the purposes… … United States Patent Office. THOMAS A. EDISON, OF NEWARK, NEW JERSEY, ASSIGNOR TO HIMSELFAND GEORGE HARRINGTON, OF WASHINGTON, D. C. IMPROVEMENT IN CHEMICAL OR AUTOMATIC TELEGRAPHS. Specification forming part of Letters Patent No. 150,§48, dated May 12,1874 ; application filed January 15, 1873.…
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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