Url https://edisondigital.rutgers.edu/document/N019117 Resource class dctype:Text Title [N019117], Technical Note, William Joseph Hammer, June 16th, 1880 Creator Hammer, William Joseph Subject Incandescent lamp Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1880-06-16 Type Technical Note Identifier N019117 Source 30:946 Rights Thomas Edison National Historical Park Date Created 1880-06-16 Has Version https://archive.org/details/edisonmicrofilm30/page/n955/mode/1up Archive.org Viewer, Microfilm Series Reel 30 Is Part Of N019-F Uri https://edisondigital.rutgers.edu/document/N019117 https://edisondigital.rutgers.edu/document/N019117 --