Url https://edisondigital.rutgers.edu/document/CJ053065A Resource class dctype:Text Title [CJ053065A], Letter from Charles Batchelor to Richard Nott Dyer, February 9th, 1892 Creator Batchelor, Charles Subject Testing and quality control Ore milling and separation Ore concentrate Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1892-02-09 Type Letter Identifier CJ053065A Source 151:514 Rights Thomas Edison National Historical Park Date Created 1892-02-09 Has Version https://archive.org/details/edisonmicrofilm151/page/n522/mode/1up Archive.org Viewer, Microfilm Series Reel 151 Is Part Of CJ053-F Recipient Dyer, Richard Nott Uri https://edisondigital.rutgers.edu/document/CJ053065A https://edisondigital.rutgers.edu/document/CJ053065A --