. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . N. PETERS, Photo-Lithographer, Washington, D. N. PETERS. Photo-Lithographer, Washington. D. C. United States Patent Office THOMAS A. EDISON, OF NEWARK, NEW JERSEY, ASSIGNOR, BY MESNE AS-SIGNMENTS, TO THE GOLD AND STOCK TELEGRAPH COMPANY, OF NEWYrORK CITY. IMPROVEMENT IN PRINTING-TELEGRAPHS. Specification forming part of Letters Patent No. 91,527, dated Jane 22, 1869; reissue No. 4,166, dated October25,1870; reissae No. 5,519, dated August 5, 1873; application filed June 19, 1873. To all whom it may concern: Be i
. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . N. PETERS, Photo-Lithographer, Washington, D. N. PETERS. Photo-Lithographer, Washington. D. C. United States Patent Office THOMAS A. EDISON, OF NEWARK, NEW JERSEY, ASSIGNOR, BY MESNE AS-SIGNMENTS, TO THE GOLD AND STOCK TELEGRAPH COMPANY, OF NEWYrORK CITY. IMPROVEMENT IN PRINTING-TELEGRAPHS. Specification forming part of Letters Patent No. 91,527, dated Jane 22, 1869; reissue No. 4,166, dated October25,1870; reissae No. 5,519, dated August 5, 1873; application filed June 19, 1873. To all whom it may concern: Be it known that I, Thomas A. Edison, nowof Newark, in the county of Essex and Stateof New Jersey, have invented an Improve-ment in Printing-Telegraphs, of which thefollowing is a specification. In this printing-telegraph instrument thetype-wheel is set by a step-by-step movementderived from an electro-magnet, and the im-pression is given by another magnet, andthese magnets are connected with the mainline aud with a shunt in such a manner thatthe type-wheel magnet will be short-circuitedwhen the printing is effected, thereby g
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Keywords: ., boo, bookcentury1800, booksubjectinventions, booksubjecttelephone
