. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . 2 Sheets — Sheet T. A. for Automatic Telegraphy. ,312. Patented Feb. 10, 1874,. United States Patent Office. THOMAS A. EDISON, OF NEWARK, KEW JERSEY, ASSIGNOR TO HIMSELFAND GEORGE HARRINGTON, OF WASHINGTON, D. C. IMPROVEMENT IN PERFORATORS FOR AUTOMATIC TELEGRAPHY. Specification forming part of Letters Patent No. 147,312, dated February 10, 1874; application filed July 29, 1873. Case 75. To all whom it may concern : Be it known that I, Thomas A. Edison, ofNewark, in the county of Essex a


. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . 2 Sheets — Sheet T. A. for Automatic Telegraphy. ,312. Patented Feb. 10, 1874,. United States Patent Office. THOMAS A. EDISON, OF NEWARK, KEW JERSEY, ASSIGNOR TO HIMSELFAND GEORGE HARRINGTON, OF WASHINGTON, D. C. IMPROVEMENT IN PERFORATORS FOR AUTOMATIC TELEGRAPHY. Specification forming part of Letters Patent No. 147,312, dated February 10, 1874; application filed July 29, 1873. Case 75. 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 Machinery for Perforating Paper for use inAutomatic Telegraphing, of which the follow-ing is a specification: This invention is an improvement upon thatset forth in Letters Patent No. 121,001, grant-ed to me December 5,1871, and a reference ishereby expressly made to said patent for amore full and complete description of thoseparts which are herein only generally referredto. My present improvement relates to the pa-per-carrier which feeds the paper, and to themeans for giving the feed-motion to said pa-per-carrier. In the drawi


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