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 1587
en-erator, current being produced by the move-ment of the armature before the poles of themagnet. Such movement is produced by thefollowing mechanism: A cog-wheel, F, turned 95by a crank, Gr, meshes with another cog-wheel,g, on the shaft of a star cam-wheel, d, havingbeveled pointed teeth, which… … United States Patent Office. THOMAS A. EDISON, OF MBNLO PARK, NEW JEESEY.MAGNETO-ELECTRIC SIGNALING APPARATUS. SPECIFICATION forming part of Letters Patent No. 382,287, dated July 31, 1883. Application filed August 7, 1882. (Xo model.) To all ivliom it may coihoem: 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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