Url https://edisondigital.rutgers.edu/document/CJ003AGI Resource class dctype:Text Title [CJ003AGI], Letter from Thomas Alva Edison to Charles Batchelor, December 22nd, 1891 Creator Edison, Thomas Alva Subject Ore milling and separation Ore concentrate Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1891-12-22 Type Letter Identifier CJ003AGI Source 149:443 Rights Thomas Edison National Historical Park Date Created 1891-12-22 Has Version https://archive.org/details/edisonmicrofilm149/page/n452/mode/1up Archive.org Viewer, Microfilm Series Reel 149 Is Part Of CJ003-F Recipient Batchelor, Charles Uri https://edisondigital.rutgers.edu/document/CJ003AGI https://edisondigital.rutgers.edu/document/CJ003AGI --