THE PREFACE OF THEOPHRASTUS PARACELSUS TO ALL ALCHEMISTS AND READERS OF THIS BOOK. PART I. THE SEVEN CANONS OF THE METALS. THE FIRST CANON. CONCERNING THE NATURE AND PROPERTIES OF MERCURY. (1) THE SECOND CANON. CONCERNING THE NATURE AND PROPERTIES OF JUPITER. THE THIRD CANON. CONCERNING MARS AND HIS PROPERTIES. THE FOURTH CANON. CONCERNING VENUS AND ITS PROPERTIES. THE FIFTH CANON. CONCERNING THE NATURE AND PROPERTIES OP SATURN. THE SIXTH CANON. CONCERNING LUNA AND THE PROPERTIES THEREOF. THE SEVENTH CANON. CONCERNING THE NATURE OF SOL AND ITS PROPERTIES. PART II. CERTAIN TREATISES AND APPENDICES ARISING OUT OF THE SEVEN CANONS. GOD AND NATURE DO NOTHING IN VAIN. WHAT IS TO ...