Cours de Physique

Abstract

THIS sixth volume of the course of physics, prepared by the author to conform “aux programmes des Certificats et de l'Agregation de Physique,” deals with the subject of symmetry, both from the general physical standpoint and as it concerns crystals. The previous volumes have treated of mechanical physics, thermodynamics, electricity and magnetism, optics, and electro-optics. Besides actual symmetry, this sixth volume also discusses symmetrical deformation, double refraction in relation to the symmetry of crystals, the bearing of optical rotation on crystal symmetry, and a concluding brief account of liquid crystals. It presents many of the phenomena dealt with by the expert crystallographer from the very different outlook of the pure physicist, and such an outside view, by a competent authority, of a more or less special branch of science is usually of value, although one must not look either for specialised knowledge or intimate acquaintance with the phenomena described. In these days of specialists there are very few men able to deal without error with so many subjects as are included in the comprehensive course of Prof. Bouasse.

Cours de Physique.

By Prof. H. Bouasse. Sixième partie, Etude des Symétries. Pp. 424. (Paris: Ch. Delagrave, n.d.) Price, 14 francs.