Leaf beginning "p.59 Addition to the written foot note X Benzol sometimes constitutes one tenth of the weight of Crude Coal Tar"

Leaf beginning "p.59 Addition to the written foot note X Benzol sometimes constitutes one tenth of the weight of Crude Coal Tar", Box: 1, Folder: 15. 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/382368 Accessed December 31, 2025.