Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 223
ve drawn through these points of shadowis the required shadow. 33. In Fig. 16 the given line ah is in space and the prob-lem is to find its shadow on two rectangular planes mnop and nrso^both perpendicular to H. Consider first the shadow of ah on the plane innop. Theedore no is the limit of this…
Architecture · Building
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