Url https://edisondigital.rutgers.edu/document/LB072355 Resource class dctype:Text Title [LB072355], Letter from Thomas Alva Edison to William Horatio Mason, October 10th, 1905 Creator Edison, Thomas Alva Subject Construction Cement Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1905-10-10 Type Letter Identifier LB072355 Source 197:390 Relation Engineering and Mining Journal Edison Portland Cement Co Rights Thomas Edison National Historical Park Date Created 1905-10-10 Has Version https://archive.org/details/edisonmicrofilm197/page/n399/mode/1up Archive.org Viewer, Microfilm Series Reel 197 Is Part Of LB072-F Recipient Mason, William Horatio Uri https://edisondigital.rutgers.edu/document/LB072355 https://edisondigital.rutgers.edu/document/LB072355 --