Url https://edisondigital.rutgers.edu/document/N317035 Resource class dctype:Text Title [N317035], Technical Note, Mina Miller (Mrs Thomas A.) Edison, Thomas Alva Edison, April 8th, 1886 Creator Edison, Mina Miller (Mrs Thomas A.) Edison, Thomas Alva Subject Telegraph Heat and thermodynamics Electricity and magnetism Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1886-04-08 Type Technical Note Identifier N317035 Source 43:20 Rights Thomas Edison National Historical Park Date Created 1886-04-08 Has Version https://archive.org/details/edisonmicrofilm43/page/n28/mode/1up Archive.org Viewer, Microfilm Series Reel 43 Is Part Of N317-F Uri https://edisondigital.rutgers.edu/document/N317035 https://edisondigital.rutgers.edu/document/N317035 --