Url https://edisondigital.rutgers.edu/document/CJ053244A Resource class dctype:Text Title [CJ053244A], Technical Note, New Jersey and Pennsylvania Concentrating Works, February 1893 Creator New Jersey and Pennsylvania Concentrating Works 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 CJ053244A Source 151:597 Rights Thomas Edison National Historical Park Has Version https://archive.org/details/edisonmicrofilm151/page/n605/mode/1up Archive.org Viewer, Microfilm Series Reel 151 Is Part Of CJ053-F Uri https://edisondigital.rutgers.edu/document/CJ053244A https://edisondigital.rutgers.edu/document/CJ053244A --