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 419
ofpunches massed together in a square, ornearly so, and mechanism intervening betweensuch punches and the finger-keys, for select-ing from such mass of punches those that arerequired for perforating characters correspond-ing with the characters upon the respectivefinger-keys, substantially as set… … THE GRAPHIC-CO. PHOTO-LITH.39&41 PARK PLACE,N.Y. United States Patent Office. THOMAS A. EDISON, OF NEWABK, NEW JEBSEWIMPROVEMENT IN DISTRICT TELEGRAPH SIGNAL-BOXES. Specification forming part of Letters Patent No. 154,588, dated September 8,1874 ; application filed May 11,1874. Case 86. To all…
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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