42. Woodcut: Weighing quicksilver (mercury), New Almaden Mine, CA, 19th century [Stanford]

42. Woodcut: Weighing quicksilver (mercury), New Almaden Mine, CA, 19th century [Stanford], Box: 143, Folder: 29. Julian Samora Papers, 24426265. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/390876 Accessed September 26, 2026.