Url https://edisondigital.rutgers.edu/document/PT5036 Resource class dctype:Text Title [PT5036], Patent Application, Thomas Alva Edison, December 19th, 1911 Creator Edison, Thomas Alva Subject Disc record and duplicating technology Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1911-12-19 Type Patent Application Identifier PT5036 Source 245:497 Rights Thomas Edison National Historical Park Date Created 1911-12-19 Has Version https://archive.org/details/edisonmicrofilm245/page/n509/mode/1up Archive.org Viewer, Microfilm Series Reel 245 Is Part Of PT5036-F Uri https://edisondigital.rutgers.edu/document/PT5036 https://edisondigital.rutgers.edu/document/PT5036 --