2 hours ago
"Manuscript on paper of a large quantity of alchemical recipes and procedures, relating above all to metallurgy and transmutation. With Alchimie und Bergwerck; and German translations of John of Rupescissa, De consideratione quinte essentie; and Ramon Lull, Extracts from Experimenta and Testamentum novissimum."
https://collections.library.yale.edu/catalog/2066760
https://collections.library.yale.edu/catalog/2066760