[NM001137A], Technical Note, Thomas Alva Edison, October 10th, 1873
Chemicals, chemical products, and chemical processes
[NM001-F] Notebook Series -- Miscellaneous Shop and Laboratory Notebooks
https://edisondigital.rutgers.edu/document/NM001137A
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Archive.org Viewer, Microfilm Series Reel 5