Url https://edisondigital.rutgers.edu/document/D7936ZAZ Resource class dctype:Text Title [D7936ZAZ], Letter from Thomas Alva Edison to George Bartlett Prescott, October 16th, 1879 Creator Edison, Thomas Alva Subject Multiple telegraphy (duplex, quadruplex) Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1879-10-16 Type Letter Identifier D7936ZAZ Source 51:924 Rights Thomas Edison National Historical Park Date Created 1879-10-16 Has Version https://archive.org/details/edisonmicrofilm51/page/n933/mode/1up Archive.org Viewer, Microfilm Series Reel 51 Is Part Of D7936-F Recipient Prescott, George Bartlett Uri https://edisondigital.rutgers.edu/document/D7936ZAZ https://edisondigital.rutgers.edu/document/D7936ZAZ --