Url https://edisondigital.rutgers.edu/document/CJ053288A Resource class dctype:Text Title [CJ053288A], Technical Note, Charles Batchelor, February 1893 Creator Batchelor, Charles Subject Research and development Rolls and crushers Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1893-02-00 Type Technical Note Identifier CJ053288A Source 151:618 Rights Thomas Edison National Historical Park Has Version https://archive.org/details/edisonmicrofilm151/page/n626/mode/1up Archive.org Viewer, Microfilm Series Reel 151 Is Part Of CJ053-F Uri https://edisondigital.rutgers.edu/document/CJ053288A https://edisondigital.rutgers.edu/document/CJ053288A --