Url https://edisondigital.rutgers.edu/document/D7829ZBR Resource class dctype:Text Title [D7829ZBR], Letter from Thomas Thornton to Thomas Alva Edison, May 20th, 1878 Creator Thornton, Thomas Subject Sales and service Cylinder phonograph Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1878-05-20 Type Letter Identifier D7829ZBR Source 18:1005 Rights Thomas Edison National Historical Park Date Created 1878-05-20 Has Version https://archive.org/details/edisonmicrofilm18/page/n1013/mode/1up Archive.org Viewer, Microfilm Series Reel 18 Is Part Of D7829-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/D7829ZBR https://edisondigital.rutgers.edu/document/D7829ZBR --