Url https://edisondigital.rutgers.edu/document/CL221ABA Resource class dctype:Text Title [CL221ABA], Letter from Thomas Alva Edison to Frank Lewis Dyer, March 1st, 1910 Creator Edison, Thomas Alva Subject Research and development Disc phonograph Disc record and duplicating technology Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1910-03-01 Type Letter Identifier CL221ABA Source 217:296 Relation Victor Talking Machine Co Rights Thomas Edison National Historical Park Date Created 1910-03-01 Has Version https://archive.org/details/edisonmicrofilm217/page/n305/mode/1up Archive.org Viewer, Microfilm Series Reel 217 Is Part Of CL221-F Recipient Dyer, Frank Lewis Uri https://edisondigital.rutgers.edu/document/CL221ABA https://edisondigital.rutgers.edu/document/CL221ABA --