Url https://edisondigital.rutgers.edu/document/LB064247 Resource class dctype:Text Title [LB064247], Letter from Thomas Alva Edison to Colorado Midland Railway Co, George Washington Ristine, December 15th, 1899 Creator Edison, Thomas Alva Subject Ore concentrate Ore milling (non-iron ore) Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1899-12-15 Type Letter Identifier LB064247 Source 196:495 Rights Thomas Edison National Historical Park Date Created 1899-12-15 Has Version https://archive.org/details/edisonmicrofilm196/page/n504/mode/1up Archive.org Viewer, Microfilm Series Reel 196 Is Part Of LB064-F Recipient Colorado Midland Railway Co Ristine, George Washington Uri https://edisondigital.rutgers.edu/document/LB064247 https://edisondigital.rutgers.edu/document/LB064247 --