Url https://edisondigital.rutgers.edu/document/CJ615AFU Resource class dctype:Text Title [CJ615AFU], Letter from William Horatio Mason to Thomas Alva Edison, October 25th, 1907 Creator Mason, William Horatio Subject Testing and quality control Rolls and crushers Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1907-10-25 Type Letter Identifier CJ615AFU Source 203:413 Relation Jayne, Morris D Rights Thomas Edison National Historical Park Date Created 1907-10-25 Has Version https://archive.org/details/edisonmicrofilm203/page/n423/mode/1up Archive.org Viewer, Microfilm Series Reel 203 Is Part Of CJ615-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/CJ615AFU https://edisondigital.rutgers.edu/document/CJ615AFU --