. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . nd notchedcoupler e, in combination with the eccentricp, fork Jc, and electro-magnet m, substantiallyas set forth. 2. In a perforating apparatus, a continu-ously-revolving shaft and a step-by-step feed,operated thereby, in combination with a punchthat is actuated by the shaft while the paperis quiescent, a coupler to connect the powerand the punch, and an electro-magnet to movesuch coupler, substantially as set forth. 3. Punch and paper-feeding mechanism re- 200,994 ciprocated by the eccentrics p and s, when thesame


. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . nd notchedcoupler e, in combination with the eccentricp, fork Jc, and electro-magnet m, substantiallyas set forth. 2. In a perforating apparatus, a continu-ously-revolving shaft and a step-by-step feed,operated thereby, in combination with a punchthat is actuated by the shaft while the paperis quiescent, a coupler to connect the powerand the punch, and an electro-magnet to movesuch coupler, substantially as set forth. 3. Punch and paper-feeding mechanism re- 200,994 ciprocated by the eccentrics p and s, when thesame are arranged in such a position that thepaper is only fed when the punch is clear ofthe die. 4. The transmitter consisting of a drum,h, contact-points and springs ed »•, electricengine nl, and governor m2 W Z, all arrangedand operated substantially as specified, andfor the purposes set forth. Signed by me this 30th day of October, 1876. THOS. A. EDISON. Witnesses: Geo. T. Pinckney,Harold Serkell. T. A. EDISON. Speaking Machine. No. 201,760. Patented March 26,


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