Leaf beginning "p.70 add[itio]n to M.S. [manuscript] note It crackles like sulphur when heated in the hand and is highly negatively electric"

Leaf beginning "p.70 add[itio]n to M.S. [manuscript] note It crackles like sulphur when heated in the hand and is highly negatively electric", Box: 1, Folder: 21. Notes and annotations in 1859 edition of The Manufacture of Photogenic or Hydro-carbon Oils, MS C79. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/382374 Accessed December 31, 2025.