1. French, 1891.
Traité Élémentaire | De | Cristallographie | Géométrique | A L'Usage | Des Candidats A La Licence Et Des Chimistes | Par | G. Lion | [rule] | Paris | Georges Carré, Éditeur | 58, Rue Saint-André-des-Arts, 58 | [short rule] | 1891.

8°: [i]-xi, [1], [1]-148 p., illus. Page size: 160 x 230 mm.

Contents: [i-ii], Half title page, "Traité Élémentaire | De | Cristallographie Géométrique," verso "Tours.-Imprimerie Des Lis Frères."; [iii-iv], Title page, verso blank.; [v], "Préface."-signed G. Lion.; [vi], Blank.; [viii]-xi, "Avant-Propos."; [1 pg], Blank.; [1]-132, Text.; [133]-136, "Note I. Interprétation physique de la loi de rationalité."; [137]-148, "Note II. Transformation des axes et des caractéristiques."

Very scarce. A standard treatise on the elements of crystallographical science written for university level students in science and chemistry. Its focus is on the geometrical forms, but includes some theoretical background. It is illustrated through out with crystal drawings and diagrams.

Bibliographical references: BL. • NUC.