Url https://edisondigital.rutgers.edu/document/PT032ADQ Resource class dctype:Text Title [PT032ADQ], Patent Application, Thomas Alva Edison, August 24th, 1892 Creator Edison, Thomas Alva Subject Rolls and crushers Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1892-08-24 Type Patent Application Identifier PT032ADQ Source 115:249 Rights Thomas Edison National Historical Park Date Created 1892-08-24 Has Version https://archive.org/details/edisonmicrofilm115/page/n258/mode/1up Archive.org Viewer, Microfilm Series Reel 115 Is Part Of PT032ADQ-F Uri https://edisondigital.rutgers.edu/document/PT032ADQ https://edisondigital.rutgers.edu/document/PT032ADQ --