The new pearl of great price : a treatise concerning the treasure and most precious stone of the philosophers, or, the method and procedure of this divine art : with observations drawn from the works of Arnoldus, Raymondus, Rhasis, Albertus, and Michael Scotus (1894)
Bonus, Petrus, active 1323-1330, author, Lacinio, Giano, Waite, Arthur Edward, 1857-1942, translator, James Elliott and Co., publisher · London : James Elliott and Co., Temple Chambers, Falcon Court, Fleet Street, E.C. · leaf 47
32 The Nezv Pearl of Great Price. The second tree is hot and dry, like glow- ing brass ; it becomes humid and black, like quicksilver ; dry and white, like lead ; hot, humid, and saffron-coloured, like blood-red gold.
Alchemy
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.