Chapter V. The Outcome of Alchemy

§ 61. Did the Alchemists achieve the Magnum Opus ?
§ 62. The Testimony of van Helmont
§ 63. The Testimony of Helvetius
§ 64. Helvetius obtains the Philosopher's Stone
§ 65. Helvetius performs a Transmutation .
CONTENTS
XI
§ 66. Helvetius's Gold Assayed
§ 67. Helvetius's Gold Further Tested
§ 68. The Genesis of Chemistry .
§ 69. The Degeneracy of Alchemy
§ 70. " Count Cagliostro "