Url https://edisondigital.rutgers.edu/document/W400D108 Resource class dctype:Text Title [W400D108], Letter from George Harrington to Thomas Thompson Eckert, January 6th, 1875 Creator Harrington, George Subject Patent assignments, licenses, and royalties Multiple telegraphy (duplex, quadruplex) Automatic telegraphy Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1875-01-06 Type Letter Identifier W400D108 Relation Butler Stillman and Hubbard Automatic Telegraph Co Atlantic and Pacific Telegraph Co Western Union Barney, Hiram Gould, Jay Edison, Thomas Alva Rights National Archives Date Created 1875-01-06 Is Part Of W400D-F Recipient Eckert, Thomas Thompson Uri https://edisondigital.rutgers.edu/document/W400D108 https://edisondigital.rutgers.edu/document/W400D108 --