Book of Mercuries

ON THE WRITERS.

A 3

Giovanni Bracesco of Orzinuovi An Italian alchemist (c. 1481–1555) from Orzinuovi, known for his dialogues explaining the works of Geber and Arnold of Villanova..

Giovanni Agostino Panteo (or Pantheus) wrote the Theory of the Art of Metallic Transmutations original: Arsetheoria transmutationum metallicarum (1519) along with the Voarchadumia A title likely coined by Panteo; the work (1530) focuses on metallurgy and the purification of gold in the Venetian style..

Isaac the monk wrote The Method of Silver: how it is necessary to find the sides of irrational numbers original Greek: ἀργύρου μέθοδον, ὅπως δεῖ εὑρίσκειν τὰς πλευρὰς τῶν μὴ ῥητῶν. While the title mentions "silver," the Greek subtitle refers to the mathematical extraction of square roots, suggesting a link between alchemy and sacred geometry.; [this is] in the Royal Library of France, a manuscript in Greek.

An alchemical book by a certain Morienus Morienus Romanus was a legendary 7th-century hermit said to have instructed the Umayyad prince Khalid ibn Yazid in the secrets of the philosopher's stone. is in circulation, though not printed.

Philipp Ulstad published the Sky of the Philosophers original: Coelum Philosophorum (1525). Ulstad was a physician from Nuremberg; his work was highly influential in spreading knowledge of distillation.: which nevertheless pertains to medical matters.

Ramon Lull A Majorcan philosopher and polymath (c. 1232–1315). Many alchemical works were attributed to him in the 14th and 15th centuries, claiming he used gold to fund the English crown's wars. wrote (besides many other things) on the Secrets of Nature, or the Fifth Essence original: de Secretis naturae, sive quinta essentia. Through my own inquiries, I have discovered that this man actually performed among the English what he promises in his books; and in the Tower of Lond[on]—