[NB026AAR], Technical Note, Joseph W Harris, January 26th, 1892
Chemicals, chemical products, and chemical processes
[NB026-F] Notebook Series -- Notebooks by Other Experimenters
https://edisondigital.rutgers.edu/document/NB026AAR
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Archive.org Viewer, Microfilm Series Reel 102