Url https://edisondigital.rutgers.edu/document/NB244167 Resource class dctype:Text Title [NB244167], Technical Note, Ludwig Fredrick Ott, September 15th, 1922 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 1922-09-15 Type Technical Note Identifier NB244167 Source 240:851 Relation Edison, Thomas Alva Rights Thomas Edison National Historical Park Date Created 1922-09-15 Has Version https://archive.org/details/edisonmicrofilm240/page/n860/mode/1up Archive.org Viewer, Microfilm Series Reel 240 Is Part Of NB244-F Uri https://edisondigital.rutgers.edu/document/NB244167 https://edisondigital.rutgers.edu/document/NB244167 --