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 96
ojection by joining i g and 1 i asshown. Bisect r g in u, and from u as a centre, with theradius u r, describe a circle, the circumference ofwhich will be the horizontal projection of the intersec- SOLID GEOMETRY 93 tion of the two cones. The vertical projection of thiscircle will be g p r q, and… … Fig. 61. the diameters of the bases of the cones as their bases,and the height of the cones as their height. And as inthe example the cones are equal, the triangles will alsobe equal, as the triangles c e f, g f d, in the verticalprojection. Conceive now a number of inclinedplanes, as c n m, e k p,…
Carpentry
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