Crystallography : a treatise on the morphology of crystals / by N. Story-Maskelyne.

  • Nevil Story Maskelyne
Date:
1895
Catalogue details

Licence: Public Domain Mark

Credit: Crystallography : a treatise on the morphology of crystals / by N. Story-Maskelyne. Source: Wellcome Collection.

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    have been thus recognised, the methods and systematic treatment of Crystallography in Miller’s Treatise remain indisputably his own. The rationality of the anharmonic ratio of any four tautozonal planes was his, independently of a similar result afterwards published in the memoirs of Gauss; and to him belongs the merit of combining the methods of his predecessors with the stereographic pro- jection into a complete and elegant system, in which the power of the indicial symbols in grouping the faces of the forms of crystals, and in colligating tautozonal faces as well as tautohedral zones, was manifested, and the foundation laid on which the laws of crystal symmetry have been well established. The system thus identified with the name of Miller has met at length with an almost universal acceptance. Adopted forty years ago in Vienna by the school of crystallographic physicists in which Grailich and V. von Lang were pioneers, it has in recent times formed the crystallographic language employed in such complete trea- tises as those of Liebisch and of Mallard, in the encyclo- paedic Mineralogy of Dana, and in that great storehouse of crystallographic information, the Zeitschrift of Groth. The growth of Crystallography during the last sixty years has resulted, notably, from the recognition of the limitations imposed on its symmetry by the homogeneity of a crystal. By various methods, Hessel in 1829, Bravais, von Lang, and Gadolin in 1866-7, and, among later investigators, more especially Sohncke, Schonflies and Fedorow, have defined the varieties of symmetry which can be presented by crystals. The present Treatise, dealing solely with the Morpho- logy of crystals, represents the substance of courses of
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