Url https://edisondigital.rutgers.edu/document/CJ619AEQ Resource class dctype:Text Title [CJ619AEQ], Letter from William Horatio Mason to Thomas Alva Edison, August 3rd, 1910 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 1910-08-03 Type Letter Identifier CJ619AEQ Source 204:2 Rights Thomas Edison National Historical Park Date Created 1910-08-03 Has Version https://archive.org/details/edisonmicrofilm204/page/n11/mode/1up Archive.org Viewer, Microfilm Series Reel 204 Is Part Of CJ619-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/CJ619AEQ https://edisondigital.rutgers.edu/document/CJ619AEQ --