Url https://edisondigital.rutgers.edu/document/D8429I Resource class dctype:Text Title [D8429I], Letter from Francis Robbins Upton to Thomas Alva Edison, February 9th, 1884 Creator Upton, Francis Robbins Subject Incandescent lamp Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1884-02-09 Type Letter Identifier D8429I Source 73:375 Relation Edison and Swan United Electric Light Co Ltd Rights Thomas Edison National Historical Park Date Created 1884-02-09 Has Version https://archive.org/details/edisonmicrofilm73/page/n383/mode/1up Archive.org Viewer, Microfilm Series Reel 73 Is Part Of D8429-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/D8429I https://edisondigital.rutgers.edu/document/D8429I --