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 175
invention— 1. A locking mechanism, actuated by themovement of the printing-lever, for prevent-ing an impression, in combination with thetype-wheel and its actuating mechanism thatcontrols the movement of the said lockingmechanism. 2. A type-wheel and unison mechanism, incombination with a locking… … 2 Sheets-Sheet 2, THOMAS A. EDISON.Improvement in Printing-Telegraphs. No. 126,534. Patented May 7,1872. |i j I
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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