Url https://edisondigital.rutgers.edu/document/NB125AAD Resource class dctype:Text Title [NB125AAD], Technical Note, Joseph W Harris, April 21st, 1893 Creator Harris, Joseph W Subject Ore milling and separation Chemicals, chemical products, and chemical processes Cylinder record and duplicating technology Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1893-04-21 Type Technical Note Identifier NB125AAD Source 103:678 Relation Ogden Ore Separating Plant Miller, Walter Henry Rights Thomas Edison National Historical Park Date Created 1893-04-21 Has Version https://archive.org/details/edisonmicrofilm103/page/n687/mode/1up Archive.org Viewer, Microfilm Series Reel 103 Is Part Of NB125-F Uri https://edisondigital.rutgers.edu/document/NB125AAD https://edisondigital.rutgers.edu/document/NB125AAD --