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 72
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… … Fig. 41. dicular to the ground-line A D. On A D produced setoff the distances g h, h i, i j, and j k at G h, h i, &c.,and from the points thus found draw perpendiculars toG K meeting lines drawn from h, i, and j parallel toA D, in H, I, and J. Join G H, H I, I J, and J K.G H I J K is the true…
Carpentry
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