Url https://edisondigital.rutgers.edu/document/D7905ZAC Resource class dctype:Text Title [D7905ZAC], Letter from Nora E Trueblood to Thomas Alva Edison, December 13th, 1879 Creator Trueblood, Nora E Subject Heat and thermodynamics Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1879-12-13 Type Letter Identifier D7905ZAC Source 49:648 Rights Thomas Edison National Historical Park Date Created 1879-12-13 Has Version https://archive.org/details/edisonmicrofilm49/page/n656/mode/1up Archive.org Viewer, Microfilm Series Reel 49 Is Part Of D7905-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/D7905ZAC https://edisondigital.rutgers.edu/document/D7905ZAC --