Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 156
ion of edges, and Figs. 78, 79, 80are examples of truncation of solid angles. Bevelling: — If an edge is replaced by twoplanes, as in Fig. 84, each of which is in-clined to the adjacent face at the same angle,and which form with these faces parallel in-tersections, the edge is said to be bevelled.… … 132 CHEMICAL PHYSICS. The modifications on crystals follow one of two simple laws: — 1. All the similar parts of a crystal are simultaneously andsimilarly modified. 2. Half the similar parts of a crystal are simultaneously andsimilarly modified independently of the other half. It sometimes,…
Matter · Heat
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