Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 174
of this system occur more frequently innature than the holohedral forms, and therefore demand specialattention. The most important of them are represented in Pig.115 (see next page), in which the forms have been groupedso as to show the relations between them. In studying theseforms, we will… … + 4 (o ; a ; CO a : B). a.a: oo a : &. — } (a : a : oc a : 6). ilar terminal edges, marked X in Pig. 112 ; secondly, six similarlateral edges, which are lettered Z. The solid angles are also oftwo kinds; — first, two similar vertical solid angles, lettered C,consisting of three equal plane…
Matter · Heat
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