Url https://edisondigital.rutgers.edu/document/D9035AAY Resource class dctype:Text Title [D9035AAY], Letter from Francis Robbins Upton to Thomas Alva Edison, June 14th, 1890 Creator Upton, Francis Robbins Subject Incandescent lamp Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1890-06-14 Type Letter Identifier D9035AAY Source 129:369 Relation Edgar, Charles Leavitt Rights Thomas Edison National Historical Park Date Created 1890-06-14 Has Version https://archive.org/details/edisonmicrofilm129/page/n378/mode/1up Archive.org Viewer, Microfilm Series Reel 129 Is Part Of D9035-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/D9035AAY https://edisondigital.rutgers.edu/document/D9035AAY --