. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . ting the type-wheel to be printedfrom, substantially as set forth. 3. The conical-faced notched wheels o s, in combination with,the inclined stops q r andtype-wheels li and Tc, substantially as set forth. 4. The swinging levers q and r, actuated bythe printing-lever v, in combination with thetype-wheels h and ft and notched wheels o s,substantially as set forth. 5. The combination of two type-weels anda printing-lever, with mechanism moved bythe printing-lever, substantially as set forth,for printing from one type-w


. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . ting the type-wheel to be printedfrom, substantially as set forth. 3. The conical-faced notched wheels o s, in combination with,the inclined stops q r andtype-wheels li and Tc, substantially as set forth. 4. The swinging levers q and r, actuated bythe printing-lever v, in combination with thetype-wheels h and ft and notched wheels o s,substantially as set forth. 5. The combination of two type-weels anda printing-lever, with mechanism moved bythe printing-lever, substantially as set forth,for printing from one type-wheel when thetype-wheel circuit is open and from the otherwhen that circuit is closed, substantially as setforth. 6. A shifting movement derived from theprinting-lever, operating in one direction witha closed circuit and in the other direction withan open circuit, substantially as set forth. Signed by me this 10th dav of June, 1872. T. A. EDISON. Witnesses: Geo. T. Pinckney,Chas. H. Smith. T. A. in Printing-Telegraphs. No. 131,338. Patented Sep. 17, MPHOTO-UTHOSRAPHIC P/WCKSj United States Patent Office. THOMAS A. EDISON, OF NEWAEK, NEW IN PRINTING-TELEGRAPHS. Specification forming part of Letters Patent No. 131,33§, dated September 17,1872. To all whom it may concern: Be it known that I, Thomas A. Edison, ofNewark, in the county of Essex and State ofNew Jersey, have invented an Improvementin Printing-Telegraphs; and the following isdeclared to he a correct description of thesame: The printing-lever is made in two parts, witha pad to each; the electric pulsation passesthrough the two magnets that operate theseprinting-levers, hut there is not any impres-sion from one of the two type-wheels, hecausethe movement of its lever is arrested hy a pro-jection on the printing-lever coming againstone of the teeth of a wheel that is moved withthe type-wheels j the other type-wheel isprinted from because the space between thetee


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Keywords: ., boo, bookcentury1800, booksubjectinventions, booksubjecttelephone