Url https://edisondigital.rutgers.edu/document/E1162AH Resource class dctype:Text Title [E1162AH], Letter from Henry B Clifford to Thomas Alva Edison, June 18th, 1911 Creator Clifford, Henry B Subject Ore concentrate Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1911-06-18 Type Letter Identifier E1162AH Source 250:151 Relation New Jersey and Pennsylvania Concentrating Works Rights Thomas Edison National Historical Park Date Created 1911-06-18 Has Version https://archive.org/details/edisonmicrofilm250/page/n160/mode/1up Archive.org Viewer, Microfilm Series Reel 250 Is Part Of E1162-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/E1162AH https://edisondigital.rutgers.edu/document/E1162AH --