Url https://edisondigital.rutgers.edu/document/NM021000A Resource class dctype:Text Title [NM021000A], Patent Application, Thomas Alva Edison, 1887 Creator Edison, Thomas Alva Subject Electrical distribution system Ore milling and separation Cylinder phonograph Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1887-00-00 Type Patent Application Identifier NM021000A Source 44:821 Rights Thomas Edison National Historical Park Has Version https://archive.org/details/edisonmicrofilm44/page/n831/mode/1up Archive.org Viewer, Microfilm Series Reel 44 Is Part Of NM021-F Uri https://edisondigital.rutgers.edu/document/NM021000A https://edisondigital.rutgers.edu/document/NM021000A --