Url https://edisondigital.rutgers.edu/document/NV18011 Resource class dctype:Text Title [NV18011], Technical Note, Charles Pitt Edison, Thomas Alva Edison, September 23rd, 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 1878-09-23 Type Technical Note Identifier NV18011 Source 4:1055 Rights Thomas Edison National Historical Park Date Created 1878-09-23 Has Version https://archive.org/details/edisonmicrofilm4/page/n1063/mode/1up Archive.org Viewer, Microfilm Series Reel 4 Is Part Of NV18-F Uri https://edisondigital.rutgers.edu/document/NV18011 https://edisondigital.rutgers.edu/document/NV18011 --