tag="{http://www.w3.org/1999/xhtml}a">81

§ 62. The Testimony of van Helmont 82 § 63. The Testimony of Helvetius 83 § 64. Helvetius obtains the Philosopher’s Stone 85 § 65. Helvetius performs a Transmutation 87 § 66. Helvetius’s Gold Assayed 88 § 67. Helvetius’s Gold Further Tested 88 § 68. The Genesis of Chemistry 89 § 69. The Degeneracy of Alchemy 90 § 70. “Count Cagliostro” 91 Chapter VI. The Age of Modern Chemistry 94 § 71. The Birth of Modern Chemistry 94 § 72. The Phlogiston Theory 94 § 73. Boyle and the Definition of an Element 96 § 74. The Stoichiometric Laws 96 § 75. Dalton’s Atomic Theory 99 § 76. The Determination of the Atomic Weights of the Elements 102 § 77. Prout’s Hypothesis 102 § 78. The “Periodic Law” 105