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 71
The projections of a hexagonal pyramid be-ing given, to draw the section made by a plane perpen-dicular to the vertical plane and inclined to the hori-zontal plane. Let A B C D and a b c d e f g (Fig. 40) be the givenprojections, and H I J K the given plane. The hori- 68 MODERN CARPENTRY zontal… … Fig. 40. ih 1, h k. From h, M, 1, and k draw perpendicularsmeeting the other lines in H, I, L, J, and K, and jointhe points of intersection. H I J Iv L M is the truesection made by the plane. SOLID GEOMETRY 69 XXXII. The projections of an octagonal pyramidbeing- given, to draw the section made by a…
Carpentry
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