Url https://edisondigital.rutgers.edu/document/NE1674016 Resource class dctype:Text Title [NE1674016], Technical Note, Thomas Alva Edison, January 18th, 1872 Creator Edison, Thomas Alva Subject Escapement and governor mechanisms Automatic telegraphy Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1872-01-18 Type Technical Note Identifier NE1674016 Source 3:56 Rights Thomas Edison National Historical Park Date Created 1872-01-18 Has Version https://archive.org/details/edisonmicrofilm003/page/n64/mode/1up Archive.org Viewer, Microfilm Series Reel 3 Is Part Of NE1674-F Uri https://edisondigital.rutgers.edu/document/NE1674016 https://edisondigital.rutgers.edu/document/NE1674016 --