Url https://edisondigital.rutgers.edu/document/PT020172 Resource class dctype:Text Title [PT020172], Patent Application, Thomas Alva Edison, October 1st, 1880 Creator Edison, Thomas Alva Subject Energy and power Dynamos and generators Motors Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1880-10-01 Type Patent Application Identifier PT020172 Source 45:716 Rights Thomas Edison National Historical Park Date Created 1880-10-01 Has Version https://archive.org/details/edisonmicrofilm45/page/n728/mode/1up Archive.org Viewer, Microfilm Series Reel 45 Is Part Of PT020-F Uri https://edisondigital.rutgers.edu/document/PT020172 https://edisondigital.rutgers.edu/document/PT020172 --