History of the inductive sciences, from the earliest to the present timeNote 24 — 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 editionT. ii. p. 21.◇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.