Url https://edisondigital.rutgers.edu/document/N223206 Resource class dctype:Text Title [N223206], Technical Note, Francis Jehl, August 6th, 1881 Creator Jehl, Francis Subject Heat and thermodynamics Electricity and magnetism Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1881-08-06 Type Technical Note Identifier N223206 Source 41:135 Rights Thomas Edison National Historical Park Date Created 1881-08-06 Has Version https://archive.org/details/edisonmicrofilm41/page/n143/mode/1up Archive.org Viewer, Microfilm Series Reel 41 Is Part Of N223-F Uri https://edisondigital.rutgers.edu/document/N223206 https://edisondigital.rutgers.edu/document/N223206 --