Url https://edisondigital.rutgers.edu/document/PT020028 Resource class dctype:Text Title [PT020028], Patent Application, Thomas Alva Edison, March 10th, 1879 Creator Edison, Thomas Alva Subject Metals and minerals Incandescent lamp Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1879-03-10 Type Patent Application Identifier PT020028 Source 45:700 Rights Thomas Edison National Historical Park Date Created 1879-03-10 Has Version https://archive.org/details/edisonmicrofilm45/page/n712/mode/1up Archive.org Viewer, Microfilm Series Reel 45 Is Part Of PT020-F Uri https://edisondigital.rutgers.edu/document/PT020028 https://edisondigital.rutgers.edu/document/PT020028 --