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 311
tsand rotating the type-wheels, as set forth. 2. The printing-circuit closed by the springu of the pallet-lever when the circuits 2 and 3are broken, and the movement of the type-wheel arrested by the depression of a finger-key, in combination with the. pallets that aremoved by the spring and close… … AM. rHOTO-UTHOmiWIC CO H Y OSBOHNES PROCSSS) 3 Sheets — Sheet 2, T. k. EDISON.Printing Telegraphs. No. 140,488, Patented July 1, 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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