Url https://edisondigital.rutgers.edu/document/N104034 Resource class dctype:Text Title [N104034], Technical Note, Francis Jehl, July 12th, 1880 Creator Jehl, Francis Subject Incandescent lamp Vacuum and glass bulb Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1880-07-12 Type Technical Note Identifier N104034 Source 36:283 Rights Thomas Edison National Historical Park Date Created 1880-07-12 Has Version https://archive.org/details/edisonmicrofilm36/page/n293/mode/1up Archive.org Viewer, Microfilm Series Reel 36 Is Part Of N104-F Uri https://edisondigital.rutgers.edu/document/N104034 https://edisondigital.rutgers.edu/document/N104034 --