Url https://edisondigital.rutgers.edu/document/NB244057 Resource class dctype:Text Title [NB244057], Technical Note, Ludwig Fredrick Ott, September 2nd, 1920 Creator Ott, Ludwig Fredrick Subject Chemicals, chemical products, and chemical processes Disc record and duplicating technology Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1920-09-02 Type Technical Note Identifier NB244057 Source 240:797 Relation Egerton, Henry Clifford Redford, Howard F Rights Thomas Edison National Historical Park Date Created 1920-09-02 Has Version https://archive.org/details/edisonmicrofilm240/page/n806/mode/1up Archive.org Viewer, Microfilm Series Reel 240 Is Part Of NB244-F Uri https://edisondigital.rutgers.edu/document/NB244057 https://edisondigital.rutgers.edu/document/NB244057 --