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 333
rted or short circuited from onemagnet by the movement of the switch, sub-stantially as set forth. 4. Two or more printing-telegraph instru-ments placed in one main circuit, and operatedsimultaneously by pulsations of electricity, thetype-wheel being set by pulsations of one po-larity, and the… … N.PETERS. PHOTO-LITHOGRAPHER, WASHINGTON. D 0- No. 5,523. 2 Sheets — Sheet 2.F. L. POPE & T. A. EDISON. Printing Telegraphs.
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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