Url https://edisondigital.rutgers.edu/document/MB054B Resource class dctype:Text Title [MB054B], Technical Note, Thomas Alva Edison, 1879 Creator Edison, Thomas Alva Subject Heat and thermodynamics Electricity and magnetism Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1879-00-00 Type Technical Note Identifier MB054B Source 92:393 Rights Thomas Edison National Historical Park Has Version https://archive.org/details/edisonmicrofilm92/page/n402/mode/1up Archive.org Viewer, Microfilm Series Reel 92 Is Part Of MB03-F Uri https://edisondigital.rutgers.edu/document/MB054B https://edisondigital.rutgers.edu/document/MB054B --