Url https://edisondigital.rutgers.edu/document/NV18049 Resource class dctype:Text Title [NV18049] Technical Note, October 22nd, 1878 Creator Edison, Charles Pitt Edison, Thomas Alva Subject Metals and minerals Telephone Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1878-10-22 Type Technical Note Identifier NV18049 Source 4:1084 Rights Thomas Edison National Historical Park Date Created 1878-10-22 Has Version https://archive.org/details/edisonmicrofilm4/page/n1092/mode/1up Archive.org Viewer, Microfilm Series Reel 4 Is Part Of NV18-F Uri https://edisondigital.rutgers.edu/document/NV18049 https://edisondigital.rutgers.edu/document/NV18049 --