. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . N. PETERS, Photo-Lithographer. Wanhington, D. N. PETERS, Photo-Lilhographer. Washington, D. C. United States Patent Office, THOMAS A. EDISON, OF NEWARK, NEW JERSEY, ASSIGNOR TO HIMSELFAND GEORGE HARRINGTON, OF WASHINGTON, D. C. IMPROVEMENT IN TYPE-WRITING MACHINES. Specification forming part of Letters Patent No. 133,§4 I, dated December 10, 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 Im-provement in Pr
. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . N. PETERS, Photo-Lithographer. Wanhington, D. N. PETERS, Photo-Lilhographer. Washington, D. C. United States Patent Office, THOMAS A. EDISON, OF NEWARK, NEW JERSEY, ASSIGNOR TO HIMSELFAND GEORGE HARRINGTON, OF WASHINGTON, D. C. IMPROVEMENT IN TYPE-WRITING MACHINES. Specification forming part of Letters Patent No. 133,§4 I, dated December 10, 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 Im-provement in Printing Machines; and the fol-lowing is declared to be a correct descriptionof the same. This invention is for printing by a type-wheel in a line upon a sheet or web of paperand then moving such paper along so as toprint upon the line below. This invention isdivided into the following principal features:First, mechanism for arresting a revolvingtype-wheel with the designated letter in posi-tion to be printed; second, the means for mov-ing the type-wheel along between one impres-sion and the next; third, mechanism for bring
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Keywords: ., boo, bookcentury1800, booksubjectinventions, booksubjecttelephone
