Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 119
is x-y; and this ciicle, lying on the surfaceof the cone, will evidently pass through thepoints d and m. The circle x-y is di^awn in plan,and, by its intersection with the elements 0-4and 0-10, fixes the position of the points d andm. A smooth curve drawn in plan through thepoints a, b, c, d, etc.,… … Fig. 68. Eight Cixculaj Cone Cut ty Plane at Eigiit Angles with V.DeTelopment ShoTm at Eight. the cone and the section cut by plane X. Thecone may be supposed to be placed with itsvertex at 0. and the element 0-1 at O-l: thecone is then rolled until all of the curved sui^facehas come into contact…
Architecture · Building
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