. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . be sent, when the circuit is closed,through the perforation of the paper; andwhen the imperforated portion of thje paper isbeneath the brush or stilus b the end is liftedsufficiently to touch, or nearly so, the point *,that is adjustable and mounted in any con-venient manner. By the said movement thebattery 7c is brought into action by closing thecircuit between i and b, and a reverse currentis thrown upon the telegraph-line, thereby pre-venting the attenuation of the previous pulsa-tion, clearing the wire, and caus
. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . be sent, when the circuit is closed,through the perforation of the paper; andwhen the imperforated portion of thje paper isbeneath the brush or stilus b the end is liftedsufficiently to touch, or nearly so, the point *,that is adjustable and mounted in any con-venient manner. By the said movement thebattery 7c is brought into action by closing thecircuit between i and b, and a reverse currentis thrown upon the telegraph-line, thereby pre-venting the attenuation of the previous pulsa-tion, clearing the wire, and causing the markat the receiving-station to be clear and dis-tinct. I claim as my invention— A circuit-closer operated by the movementof the perforated paper in a telegraph trans-mitting-instrument to throw a reverse circuiton the line, substantially as set forth. Sigued by me this 22d day of June, A. THOMAS A. ED1SOK Witnesses: Chas. H. Smith,Geo. T. Pinckney. THOMAS A. in Relay Magnets for Telegraph-Instruments. No. 114,657. Patented May 9, M. PHOTO LITHtHSRAPHK CO. HX {GSBO*N£S f/<OC£SSj United States Patent Office, THOMAS A. EDISON, OF NEWAEK, NEW JEESEY, ASSIGNOE TO HIMSELFAND MAESHALL LEFFEETS, OF NEW YOEK CITY. IMPROVEMENT IN RELAY-MAGNETS FOR TELEGRAPH-INSTRUMENTS. Specification forming part of Letters Patent No. 114,657, dated May 9, 1871. To all whom it may concern: Be it known that I, Thomas A. Edison, ofNewark, in tke county of Essex and State ofNew Jersey, have invented an Improvementin Electro-Magnets; and the following is de-clared to be a correct description thereof. The object of this invention is to produce anelectro-magnet that can be operated with greatrapidity and accuracy, and capable of being-used as a relay or repeater for a chemical tele-graph operated by punched paper and a stilusor brush circuit-closer, or for a time-repeaterin astronomical or other observatories, or fora relay or repeater to a Morse telegraph-inst
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Keywords: ., boo, bookcentury1800, booksubjectinventions, booksubjecttelephone
