Url https://edisondigital.rutgers.edu/document/NV17060 Resource class dctype:Text Title [NV17060], Technical Note, Charles Batchelor, Thomas Alva Edison, March 11th, 1878 Creator Batchelor, Charles Edison, Thomas Alva Subject Escapement and governor mechanisms Cylinder phonograph Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1878-03-11 Type Technical Note Identifier NV17060 Source 4:926 Rights Thomas Edison National Historical Park Date Created 1878-03-11 Has Version https://archive.org/details/edisonmicrofilm4/page/n934/mode/1up Archive.org Viewer, Microfilm Series Reel 4 Is Part Of NV17-F Uri https://edisondigital.rutgers.edu/document/NV17060 https://edisondigital.rutgers.edu/document/NV17060 --