Url https://edisondigital.rutgers.edu/document/CJ617AES Resource class dctype:Text Title [CJ617AES], Letter from William Horatio Mason to Thomas Alva Edison, November 22nd, 1909 Creator Mason, William Horatio Subject Metals and minerals Ore exploration and mining Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1909-11-22 Type Letter Identifier CJ617AES Source 203:751 Relation Raub, Samuel J Riddle, George P Rights Thomas Edison National Historical Park Date Created 1909-11-22 Has Version https://archive.org/details/edisonmicrofilm203/page/n761/mode/1up Archive.org Viewer, Microfilm Series Reel 203 Is Part Of CJ617-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/CJ617AES https://edisondigital.rutgers.edu/document/CJ617AES --