Url https://edisondigital.rutgers.edu/document/CM11AO Resource class dctype:Text Title [CM11AO], Letter from Thomas Alva Edison to William J O'Dair, July 10th, 1919 Creator Edison, Thomas Alva Subject Metals and minerals Disc record and duplicating technology Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1919-07-10 Type Letter Identifier CM11AO Source 281:724 Rights Thomas Edison National Historical Park Date Created 1919-07-10 Has Version https://archive.org/details/edisonmicrofilm281/page/n734/mode/1up Archive.org Viewer, Microfilm Series Reel 281 Is Part Of CM11-F Recipient O'Dair, William J Uri https://edisondigital.rutgers.edu/document/CM11AO https://edisondigital.rutgers.edu/document/CM11AO --