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 185

An illustration from Collection of United States patents granted to Thomas A. Edison, 1869-1884, 1869, leaf 185
the shield s and type-wheels,substantially as set forth. 3. A unison stop actuated by a screw uponthe type-wheel shaft, substantially as set forth. 4. The lever x and armature 10, at the sideof the core of the magnet d, in combinationwith the unison-lever w, for moving the same,substantially as… … PHOTO-LITHOGRAPHIC CO. H.Y. ,OSBOKHtS FROCKS.) 138,604 United States Patent Office. THOMAS A. EDISON, OF NEWARK, NEW JERSEY.IMPROVEMENT IN PRINTING-TELEGRAPHS. Specification forming part of Letters Patent No. 128,604, dated July 2,1872. 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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