Url https://edisondigital.rutgers.edu/document/CM11AL Resource class dctype:Text Title [CM11AL], Letter from Thomas Alva Edison to John James McMullen, June 17th, 1919 Creator Edison, Thomas Alva Subject Disc record and duplicating technology Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1919-06-17 Type Letter Identifier CM11AL Source 281:722 Relation O'Dair, William J Rights Thomas Edison National Historical Park Date Created 1919-06-17 Has Version https://archive.org/details/edisonmicrofilm281/page/n732/mode/1up Archive.org Viewer, Microfilm Series Reel 281 Is Part Of CM11-F Recipient McMullen, John James Uri https://edisondigital.rutgers.edu/document/CM11AL https://edisondigital.rutgers.edu/document/CM11AL --