Url https://edisondigital.rutgers.edu/document/MU076 Resource class dctype:Text Title [MU076], Letter from William Joseph Hammer to Dr Sylvester, May 1885 Creator Hammer, William Joseph Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1885-05-00 Type Letter Identifier MU076 Source 95:728 Relation Upton, Francis Robbins Edison, Thomas Alva Rights Thomas Edison National Historical Park Has Version https://archive.org/details/edisonmicrofilm95/page/n737/mode/1up Archive.org Viewer, Microfilm Series Reel 95 Is Part Of MU08-F Recipient Sylvester, Dr Uri https://edisondigital.rutgers.edu/document/MU076 https://edisondigital.rutgers.edu/document/MU076 --