Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 224
iscross-hatched along theedge of the shadow only.This method of indicat-ing; actual shadowswhich are hidden bythe object is to be fol-lowed in working out the problems of the examination plates. 37. Fig. 18 shows the construction of the shadow of a plane on the co-ordinate plane to which the given… … 181 12 SHADES AND SHADOU^S co-ordinate planes, it is only necessary to find the_ sliadow of thecenter of the circle and with that point as a center construct acircle of the same radius as that of the given circle. NOTE: 39. Any point, line, or plane lying in a surface is considered to be itsown…
Architecture · Building
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![An illustration from Brief synopsis of the course of lectures in descriptive geometry; as arranged for the first year Faculty of Applied Science and Engineering, University of Toronto. [By] J. Roy Cockburn (1922)](https://img.insideoutlibrary.com/img/200/ia-fybriefsynopsiso00cockuoft-12-7.webp)