Tract on the Tincture and Oil of Antimony by Roger Bacon

It's unusual to find a book with the qualities we're presenting here. Not only because it tells us about the material, but because it explains how to get the most out of it, something Didier himself refuses to explain, not even giving us the name of our mineral. Furthermore, this book finally explains, in the proper proportions, the Philosopher's Hand and how salts are combined to open our treasure chest. Enjoy it. 

 Download the PDF right here.