Url https://edisondigital.rutgers.edu/document/NB245047A Resource class dctype:Text Title [NB245047A], Technical Note, Peter Christian Christensen, May 1915 Creator Christensen, Peter Christian Subject Chemicals, chemical products, and chemical processes Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1915-05-00 Type Technical Note Identifier NB245047A Source 241:23 Rights Thomas Edison National Historical Park Has Version https://archive.org/details/edisonmicrofilm241/page/n34/mode/1up Archive.org Viewer, Microfilm Series Reel 241 Is Part Of NB245-F Uri https://edisondigital.rutgers.edu/document/NB245047A https://edisondigital.rutgers.edu/document/NB245047A --