[NB015AAA], Technical Note, David Trumbull Marshall, January 1888
Chemicals, chemical products, and chemical processes
[NB015-F] Notebook Series -- Notebooks by Other Experimenters
https://edisondigital.rutgers.edu/document/NB015AAA
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Archive.org Viewer, Microfilm Series Reel 101