Url https://edisondigital.rutgers.edu/document/D7828ZCC Resource class dctype:Text Title [D7828ZCC], Letter from Thode and Knoop to Lemuel Wright Serrell, September 18th, 1878 Creator Thode and Knoop Subject Patent application Telephone Cylinder phonograph Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1878-09-18 Type Letter Identifier D7828ZCC Source 18:761 Rights Thomas Edison National Historical Park Date Created 1878-09-18 Has Version https://archive.org/details/edisonmicrofilm18/page/n769/mode/1up Archive.org Viewer, Microfilm Series Reel 18 Is Part Of D7828-F Recipient Serrell, Lemuel Wright Uri https://edisondigital.rutgers.edu/document/D7828ZCC https://edisondigital.rutgers.edu/document/D7828ZCC --