. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . JMfHOTO-LITHOCmPHIC CO N. Y. f OSBORHCS P&OCCSS. i. AM. PHOTO-LITHOGRAPHIC CO. IOSBOHNEs PROCESS. 133,005 United States Patent Office. THOMAS A. EDISON, OF NEWARK, NEW JEESEY, ASSIGNOR TO THE GOLDAND STOCK TELEGRAPH COMPANY, OF NEW YORK CITY. IMPROVEMENT IN TELEGRAPH APPARATUS. Specification forming part of Letters Patent No. 1-23,005, 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 Iin-pr
. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . JMfHOTO-LITHOCmPHIC CO N. Y. f OSBORHCS P&OCCSS. i. AM. PHOTO-LITHOGRAPHIC CO. IOSBOHNEs PROCESS. 133,005 United States Patent Office. THOMAS A. EDISON, OF NEWARK, NEW JEESEY, ASSIGNOR TO THE GOLDAND STOCK TELEGRAPH COMPANY, OF NEW YORK CITY. IMPROVEMENT IN TELEGRAPH APPARATUS. Specification forming part of Letters Patent No. 1-23,005, 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 Iin-provenientin Printing-Telegraphs; and the fol-lowing is declared to be a correct descriptionthereof. This instrument I term the UniversalPrint-ing-Telegraph f and it is intended as a trans-mitting and as a receiving instrument. Whenused as a transmitting instrument a small mag-netic motor, driven by a local battery, makesand breaks the main circuit, and the pulsationsoperate through a magnet in thetransmitting-machine, and also in the receiving-machine ormachines, to rotate the type-wheel by a step-by-step movement, and the ty
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Keywords: ., boo, bookcentury1800, booksubjectinventions, booksubjecttelephone
