Url https://edisondigital.rutgers.edu/document/D7103F Resource class dctype:Text Title [D7103F], Letter from George Harrington to Thomas Alva Edison, March 22nd, 1871 Creator Harrington, George Subject Automatic telegraphy Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1871-03-22 Type Letter Identifier D7103F Source 12:246 Rights Thomas Edison National Historical Park Date Created 1871-03-22 Has Version https://archive.org/details/edisonmicrofilm12/page/n254/mode/1up Archive.org Viewer, Microfilm Series Reel 12 Is Part Of D7103-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/D7103F https://edisondigital.rutgers.edu/document/D7103F --