Url https://edisondigital.rutgers.edu/document/E1162AS Resource class dctype:Text Title [E1162AS], Letter from Henry B Clifford to Thomas Alva Edison, October 16th, 1911 Creator Clifford, Henry B Subject Research and development Ore milling and separation Ore concentrate Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1911-10-16 Type Letter Identifier E1162AS Source 250:181 Relation Mason, William Horatio Rights Thomas Edison National Historical Park Date Created 1911-10-16 Has Version https://archive.org/details/edisonmicrofilm250/page/n190/mode/1up Archive.org Viewer, Microfilm Series Reel 250 Is Part Of E1162-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/E1162AS https://edisondigital.rutgers.edu/document/E1162AS --