Secrets Reveal'd: or, an open entrance to the Shut-Palace of the King: Containing, the greatest treasure in chymistry, Never yet so plainly Discovered. / Composed by a most famous English-man, styling himself Anonymus, or Eyraeneus [sic] Philaletha Cosmopolita [pseud.]: Who, by Inspiration and Reading, attained to the Philosophers Stone at his Age of Twenty three Years, Anno Domini, 1645. Published for the Benefit of all English-men, by W.C. Esq. [i.e. William Cooper], a true lover of Art and Nature

Licence: Public Domain Mark

Credit: Secrets Reveal'd: or, an open entrance to the Shut-Palace of the King: Containing, the greatest treasure in chymistry, Never yet so plainly Discovered. / Composed by a most famous English-man, styling himself Anonymus, or Eyraeneus [sic] Philaletha Cosmopolita [pseud.]: Who, by Inspiration and Reading, attained to the Philosophers Stone at his Age of Twenty three Years, Anno Domini, 1645. Published for the Benefit of all English-men, by W.C. Esq. [i.e. William Cooper], a true lover of Art and Nature. Source: Wellcome Collection.