Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 175
ig. 58. This i^roblcni illnstrates the most general case;and to locate some of the xx)ints three co-ordinates must be used,two at 30° and one vertical. Circumscribe, about the plan of the i^yramid, a rectangle whichshall have its sides res^x^ctively parallel and jxrxx,ndicidar to theground line.…
Architecture · Building · Carpentry
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