Url https://edisondigital.rutgers.edu/document/N314181A Resource class dctype:Text Title [N314181A], Technical Note, Thomas Alva Edison, October 1st, 1887 Creator Edison, Thomas Alva Subject Heat and thermodynamics Electricity and magnetism Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1887-10-01 Type Technical Note Identifier N314181A Source 42:903 Rights Thomas Edison National Historical Park Date Created 1887-10-01 Has Version https://archive.org/details/edisonmicrofilm42/page/n912/mode/1up Archive.org Viewer, Microfilm Series Reel 42 Is Part Of N314-F Uri https://edisondigital.rutgers.edu/document/N314181A https://edisondigital.rutgers.edu/document/N314181A --