Url https://edisondigital.rutgers.edu/document/CJ613ACE Resource class dctype:Text Title [CJ613ACE], Letter from William Horatio Mason to Thomas Alva Edison, July 31st, 1905 Creator Mason, William Horatio Subject Research and development Engines, boilers, prime movers Rolls and crushers Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1905-07-31 Type Letter Identifier CJ613ACE Source 202:893 Relation Savey, Edward G Rights Thomas Edison National Historical Park Date Created 1905-07-31 Has Version https://archive.org/details/edisonmicrofilm202/page/n901/mode/1up Archive.org Viewer, Microfilm Series Reel 202 Is Part Of CJ613-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/CJ613ACE https://edisondigital.rutgers.edu/document/CJ613ACE --