Johann Conrad Barchusen
Sheets extracted from his “Elementa Chimiae quibus subjuncta est confectura lapidis philosophici imaginibus repraesentata”,
Leiden,
1718
Quote of the Day
“But when I knew the matter, I erred two hundred times before I found the true matter, with the operation, and practice upon it.”
John Pontanus
Epistle on the Mineral Fire
Alchemical Books
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