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 65

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 65
r-rent, the other electro-magnet being at thesame time inoperative, substantially as setforth. 4. Two or more printing-telegraph instru-ments placed in one main circuitand operatedsimultaneously by pulsations of electricity, thetype-wheel being set by pulsations of one po-larity and the printing… … N. PETERS, Photo-Lithographer. Washington, D. C. Itttitelr Miks latent #fTirt THOMAS A. EDISON OF NEWARK, NEW JERSEY, ASSIGNOR TO HIMSELF, ELISHA W.ANDREWS, GEORGE B. FIELD, AND MARSHALL LEFFERTS, OF NEW YORK, N. Y. Letters Patent No. 111,112, dated January 24,1871.IMPROVEMENT IN GOVERNORS FOR…

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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