. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . lever n, arms xand- 39, and switch-lever v1, substantially asand for the purposes set forth. 10. A type-wheel moved with a step-by-stepmovement, an electro-magnet for the same,and a pulsator, in combination with a second-ary circuit to the printing-magnet operatedautomatically, substantially as set forth. 11. A series of printing-telegraph instru-ments arranged in one main electrical circuitand operated by the pulsator of any one ma-chine in that circuit acting as a transmitter,and all the machines acting in harmony
. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . lever n, arms xand- 39, and switch-lever v1, substantially asand for the purposes set forth. 10. A type-wheel moved with a step-by-stepmovement, an electro-magnet for the same,and a pulsator, in combination with a second-ary circuit to the printing-magnet operatedautomatically, substantially as set forth. 11. A series of printing-telegraph instru-ments arranged in one main electrical circuitand operated by the pulsator of any one ma-chine in that circuit acting as a transmitter,and all the machines acting in harmony as receiving-machines, the pulsation in each re-ceiving-machine being stopped or thrown outof action, substantially as set forth. 12. A printing - telegraph instrument con-taining a pulsator, type-wheel, type-wheel mag-net, a switch, and letter-keys, substantiallyas specified, so as to act as a receiving ortransmitting machine by the movement of theswitch, as specified. Signed by me this 26th day of July, A. T. A. EDISOK. Witnesses: Geo. T. Pinckney,Chas. H. 133,006 United States Patent Office. THOMAS A. EDISON, OF NEWARK, NEW JERSEY, ASSIGNOR TO THE GOLDAND STOCK TELEGRAPH COMPANY,» OF NEW YORK CITY. IMPROVEMENT IN PRINTING-TELEGRAPHS. Specification forming part of Letters Patent No. 123,006, dated January 23, 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 and made an Im-provement in Printing-Telegraphs; and the fol-lowing is declared to be a correct descriptionof the same. In Letters Patent No. 113,034 a printing-tel-egraph is shown with a shifting pad that takesan impression from one of two type-wheels up-on a shaft rotated by a ratchet aud lever. Mypresent invention is a modification of and im-provement upon the said invention, and relatesto devices for moving the type-wheel upon theshaft and thereby bringing one wheel into po-sition for printing and throwing th
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