Url https://edisondigital.rutgers.edu/document/PT020001 Resource class dctype:Text Title [PT020001], Patent Application, Thomas Alva Edison, December 9th, 1878 Creator Edison, Thomas Alva Subject Metals and minerals Incandescent lamp Electrical distribution system Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1878-12-09 Type Patent Application Identifier PT020001 Source 45:698 Rights Thomas Edison National Historical Park Date Created 1878-12-09 Has Version https://archive.org/details/edisonmicrofilm45/page/n710/mode/1up Archive.org Viewer, Microfilm Series Reel 45 Is Part Of PT020-F Uri https://edisondigital.rutgers.edu/document/PT020001 https://edisondigital.rutgers.edu/document/PT020001 --