Url https://edisondigital.rutgers.edu/document/NB178015 Resource class dctype:Text Title [NB178015], Technical Note, Thomas Alva Edison, Francis Robbins Upton, May 25th, 1899 Creator Upton, Francis Robbins Edison, Thomas Alva Subject Rolls and crushers Cement Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1899-05-25 Type Technical Note Identifier NB178015 Source 176:573 Rights Thomas Edison National Historical Park Date Created 1899-05-25 Has Version https://archive.org/details/edisonmicrofilm176/page/n582/mode/1up Archive.org Viewer, Microfilm Series Reel 176 Is Part Of NB178-F Uri https://edisondigital.rutgers.edu/document/NB178015 https://edisondigital.rutgers.edu/document/NB178015 --