Url https://edisondigital.rutgers.edu/document/NA040AAL Resource class dctype:Text Title [NA040AAL], Technical Note, Thomas Alva Edison, June 20th, 1891 Creator Edison, Thomas Alva Subject Incandescent lamp Chemicals, chemical products, and chemical processes Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1891-06-20 Type Technical Note Identifier NA040AAL Source 100:611 Relation Force, John Joseph Rights Thomas Edison National Historical Park Date Created 1891-06-20 Has Version https://archive.org/details/edisonmicrofilm100/page/n620/mode/1up Archive.org Viewer, Microfilm Series Reel 100 Is Part Of NA040-F Uri https://edisondigital.rutgers.edu/document/NA040AAL https://edisondigital.rutgers.edu/document/NA040AAL --