IN WHICH THE ORIGIN, NATURE, CHARACTERISTICS AND USE OF SALT, SULFUR AND MERCURY ARE DESCRIBED IN THREE PARTS TOGETHER WITH MUCH WONDERFUL MATHEMATICAL, THEOSOPHICAL, MAGICAL AND MYSTICAL MATERIAL AS WELL AS THOUGHTS ON THE CREATION OF METALS AND MINERALS IN NATURE, MANY CURIOUS MAGO-CABBALISTIC ILLUSTRATIONS, AND A KEY TO THE ENTIRE WORK. ALSO INCLUDED ARE ESSAYS ON DIVINE WISDOM AND AN APPENDIX OF SEVERAL QUITE RARE AND PRECIOUS ALCHEMICAL PIECES.