Url https://edisondigital.rutgers.edu/document/PA050 Resource class dctype:Text Title [PA050], Article, Telegrapher, December 12th, 1868 Creator Telegrapher Subject Multiple telegraphy (duplex, quadruplex) Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1868-12-12 Type Article Identifier PA050 Relation Edison, Thomas Alva Date Created 1868-12-12 Is Part Of PA2-F Uri https://edisondigital.rutgers.edu/document/PA050 https://edisondigital.rutgers.edu/document/PA050 --