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 227

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 227
ss inthe movement of the type-wheel that is thrownout of action. I claim as my invention— Two type-wheels separately revolved by astep-by-step motion, in combination with aseparate lever or levers operated by the mech-anism that is moving one type-wheel to set theother type-wheel, substantially as… … I. PHOTO- LITHOGRAPHIC COM. Y. {OSBORNES PROCESS.) United States Patent Office. THOMAS A. EDISON, OF NEWAEK, NEW JEESEY.IMPROVEMENT IN PRINTING-TELEGRAPHS. Specification forming part of Letters Patent No. 131,336, dated September 17,1872. To all whom it may concern: Be it known that I, Thomas A.…

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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