Url https://edisondigital.rutgers.edu/document/LB007681B Resource class dctype:Text Title [LB007681B], Letter from Thomas Alva Edison to Francis Robbins Upton, July 7th, 1882 Creator Edison, Thomas Alva Subject Carbon, coal, glass, ceramics Cellulose, resins, rubber, and related products Incandescent lamp Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1882-07-07 Type Letter Identifier LB007681B Source 80:722 Rights Thomas Edison National Historical Park Date Created 1882-07-07 Has Version https://archive.org/details/edisonmicrofilm80/page/n732/mode/1up Archive.org Viewer, Microfilm Series Reel 80 Is Part Of LB007-F Recipient Upton, Francis Robbins Uri https://edisondigital.rutgers.edu/document/LB007681B https://edisondigital.rutgers.edu/document/LB007681B --