Url https://edisondigital.rutgers.edu/document/D8032O Resource class dctype:Text Title [D8032O], Letter from J H Wilhelm to Thomas Alva Edison, June 7th, 1880 Creator Wilhelm, J H Subject Tools and machinery Ore milling and separation Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1880-06-07 Type Letter Identifier D8032O Source 54:391 Rights Thomas Edison National Historical Park Date Created 1880-06-07 Has Version https://archive.org/details/edisonmicrofilm54/page/n400/mode/1up Archive.org Viewer, Microfilm Series Reel 54 Is Part Of D8032-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/D8032O https://edisondigital.rutgers.edu/document/D8032O --