This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1894 edition. Excerpt: ...(e) The height of the cheek-bones and their projection, whether forwards or outwards; (/) The different kinds of prognathism; (g) The height of the inion, &c., not including the ordinary horizontal projections of the head, the face and the anterior and posterior cranium. Under all circumstances the process is the same, namely, that of the double square; the methods alone vary, and are done impromptu. Two squares, graduated in centimetres and millimetres, are essential: the larger consists of two pieces, one of which is graduated; the other, being heavy, rests in equilibrium on the table: the smaller is the common one. Suppose we want to take the height of a point with relation to the alveolo-condylean plane. The skull being placed on this plane in its natural position, the larger square is put upright on the plane close to the point required. On its vertical portion, graduated so that zero corresponds to the alveolo-condylean plane, we slide at a right angle the second square, until the sloping side of its point touches the point in question. We have then only to read off the height required. But without moving, the same operation gives Fio. S3.--Topinard-s Craniophore. A, Pedestal; B, Shelf; C, Sliding piece and steel blade; D, Small square. The other is the large square. The apparatus is in position for measuring the height of the supra-orbital point, and its horizontal projection behind the alveolar point. the horizontal projection of the same point with relation to any other spot that we desire at the periphery of the skull. The vertical portion being placed upright, for example, in contact with the alveolar border, the distance indicated on the smaller square from the supra-orbital point to this vertical portion, will be the horizontal...
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