Url https://edisondigital.rutgers.edu/document/SC12027A Resource class dctype:Text Title [SC12027A], Interview, Henry B Clifford, May 7th, 1912 Creator Clifford, Henry B Subject Rolls and crushers Ore concentrate Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1912-05-07 Type Interview Identifier SC12027A Source 288:217 Relation Edison Portland Cement Co Anaconda Copper Co New York Globe American Smelting and Refining Co Edison, Thomas Alva Rights Thomas Edison National Historical Park Date Created 1912-05-07 Has Version https://archive.org/details/edisonmicrofilm288/page/n227/mode/1up Archive.org Viewer, Microfilm Series Reel 288 Is Part Of SC12-F Uri https://edisondigital.rutgers.edu/document/SC12027A https://edisondigital.rutgers.edu/document/SC12027A --