. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . f. PHOTO-LITHOGRAPHIC CO. MY. (OSBORNES P*OC£SS,J United States Patent Office. THOMAS A. EDISON, OF NEWAEK, NEW IN PRINTING-TELEGRAPH INSTRUMENTS. Specification forming part of Letters Patent No. 131,342, dated September 17, 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 an Improvementin Printing-Telegraphs; and the following isdeclared to be a correct description of thesame. The present invention appli
. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . f. PHOTO-LITHOGRAPHIC CO. MY. (OSBORNES P*OC£SS,J United States Patent Office. THOMAS A. EDISON, OF NEWAEK, NEW IN PRINTING-TELEGRAPH INSTRUMENTS. Specification forming part of Letters Patent No. 131,342, dated September 17, 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 an Improvementin Printing-Telegraphs; and the following isdeclared to be a correct description of thesame. The present invention applies to improve-ments applicable with other printing - tele-graphs heretofore made and patented by me. I make use of two type-wheels sliding end-wise of the actuating-shaft, the one havingfigures or fractions, or both, and the other let-ters, and these are positioned so that whenthe circuit to the type-wheel magnet is closedand held during the energizing of the print-ing-magnet by a separate electric circuit, theletter-wheel will be drawn by a magnet intoposition for printin
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Keywords: ., boo, bookcentury1800, booksubjectinventions, booksubjecttelephone
