Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 222
SHADOWS 9 28, Fig. 12 shows the construction for finding the shadowof a line so situated that part of the shadow faUs upon V and theremainder on H. To obtain the shadow in such a case, it must befound loliollij ovb eitlier one of the co-ordinatei)laiies. In Fig. 12,it has been found wholly on Y,…
Architecture · Building
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