Url https://edisondigital.rutgers.edu/document/D7510E Resource class dctype:Text Title [D7510E], Letter from Robert B Lines to Thomas Alva Edison, July 1st, 1875 Creator Lines, Robert B Subject Expositions, demonstrations, lectures Multiple telegraphy (duplex, quadruplex) Electromotograph Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1875-07-01 Type Letter Identifier D7510E Source 13:405 Relation Stevens Institute of Technology Thurston, Robert Henry Rights Thomas Edison National Historical Park Date Created 1875-07-01 Has Version https://archive.org/details/edisonmicrofilm13/page/n418/mode/1up Archive.org Viewer, Microfilm Series Reel 13 Is Part Of D7510-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/D7510E https://edisondigital.rutgers.edu/document/D7510E --