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 195
ally as set forth, to stopthe action of the magnet b, for the purpose ofbringing several machines in one main circuitinto unison, substantially as set forth. 8. The combination of the compound mag-net, the type-wheel, and actuating mechanismwith the printing and paper-feeding mechan-ism,… … United States Patent Office. THOMAS A. EDISON, OF NEWARK, NEW JEESEY.IMPROVEMENT IN ELECTRO-MAGNETS. Specification forming part of Letters Patent No. 130,195, dated August 27, 1872. To all wliom it may concern: Be it known that I, Thomas A. Edison, ofNewark, in the county of Essex and State ofNew…
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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