History of the inductive sciences, from the earliest to the present timeNote 18 — Chapter II · Epoch of Romé De Lisle and Haüy.—Establishment of the Fixity of Crystalline Angles, and the Simplicity of the Laws of Derivation.Reading editionp. 73.◇Copy noteReturn to CHAPTER II. Epoch of Romé De Lisle and Haüy.—Establishment of the Fixity of Crystalline Angles, and the Simplicity of the Laws of Derivation.