Modern carpentry and joinery : being a compilation of the very best things and most modern and practical methods known in the arts of carpentry and joinery (1910)
Hodgson, Frederick Thomas, 1836- · Chicago : F. J. Drake & Co. · leaf 98
e; and it is through this point, and through thesummits e and f, that the inclined section planes should SOLID GEOMETRY 95 be made to pass. The horizontal traces of these phinesare 0 D, G D, &e.: 0 D is then the trace of a tangentplane to the two conical surfaces 0 e, Pf; and theplane e G D… … Fig. 62. projection it is seen that the sides H e, 1 f of the trian-gles intersect in k, which is therefore the horizontalprojection of one of the points of intersection; andits vertical projection is k. In the same manner, otherpoints can be found. It is seen at once that M, N, 1,are also points…
Carpentry
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