Inside Out Library

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 231

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 231
actof the revolving arm 15 with the finger-keystop 14, in combination with the type-wheeland actuating mechanism, substantially asset forth. 3. The arm 19, moved by the escapement-lever on, and acting to close the circuit to theprinting-magnet q, in combination with thepulsator g, magnet t, and… … * United States Patent Office. THOMAS A. EDISON, OF NEWARK, NEW JEESET.IMPROVEMENT IN PRINTING-TELEGRAPH INSTRUMENTS. Specification forming part of Letters Patent No. 131,341, dated September 17,1872. To all loliom it may concern: Be it known that I, Thomas A. Edison, ofNewark, in the county of…

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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