Url https://edisondigital.rutgers.edu/document/QCE07364 Resource class dctype:Text Title [QCE07364], Legal Testimony, Marshall Lefferts, January 27th, 1875 Creator Lefferts, Marshall Subject Patent assignments, licenses, and royalties Multiple telegraphy (duplex, quadruplex) Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1875-01-27 Type Legal Testimony Identifier QCE07364 Source 10:994 Relation Western Union Edison, Thomas Alva Rights Thomas Edison National Historical Park Date Created 1875-01-27 Has Version https://archive.org/details/edisonmicrofilm10/page/n1003/mode/1up Archive.org Viewer, Microfilm Series Reel 10 Is Part Of QCE07-F Uri https://edisondigital.rutgers.edu/document/QCE07364 https://edisondigital.rutgers.edu/document/QCE07364 --