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 102
d irreg-ular: they may have their axis perpendicular or in-clined; they may be truncated or cut with a section,parallel or oblique, to their base. ^ SOLID GEOMETRY 99 II. Pyramids. The development of a right pyra-mid, of which the base and the height are given, offersno difficulty. The operation… … Fig. 68. Pig. 69. In an oblique pyramid the development is found asfollows: Let abed (Fig. 69) be the plan of the baseof the pyramid, a b c d its horizontal projection, andE F G its vertical projection. Then on the side d cconstruct the triangle c R d, making its height equalto the sloping side of…
Carpentry
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
