Url https://edisondigital.rutgers.edu/document/QCA04001 Resource class dctype:Text Title [QCA04001], Letter from Moses Gerrish Farmer to George Bartlett Prescott, February 22nd, 1876 Creator Farmer, Moses Gerrish Subject Patent application Multiple telegraphy (duplex, quadruplex) Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1876-02-22 Type Letter Identifier QCA04001 Source 9:51 Relation Edison, Thomas Alva Rights Thomas Edison National Historical Park Date Created 1876-02-22 Has Version https://archive.org/details/edisonmicrofilm9/page/n61/mode/1up Archive.org Viewer, Microfilm Series Reel 9 Is Part Of QCA04-F Recipient Prescott, George Bartlett Uri https://edisondigital.rutgers.edu/document/QCA04001 https://edisondigital.rutgers.edu/document/QCA04001 --