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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 335

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 335
b-stantially as set forth. 4. The screws e6 applied to the armature ofthe printing-magnet, for the purposes set forth. 5. The stop-pawl e7, in combination with thetype-wheel, wedge-acting pallets, andratchet- 1 wheel, for the purposes set forth. 6. The double pairs of spring circuit-closingpoints… … AM. PHOTO-LITHOGRAPHIC CO NX( OSBOmies PPQCESSJ United States Patent Office. THOMAS A. EDISON, OF NEWARK, NEW JERSEY, ASSIGNOR TO THE GOLDAND STOCK TELEGRAPH COMPANY, OF NEW YORK, N. Y. IMPROVEMENT IN CIRCUITS FOR PRINTING-TELEGRAPHS. Specification forming part of Letters Patent No. 140,4§9, dated…

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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