Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 410
6 SHEET METAL WORK 251 sects the center line A B at G. At right angles to A B from any point,as H, draw H 1 equal to C D, as shown. Using H as center, and withH 1 as radius, describe the quarter-circle 1 7, which is a section onC D, Divide 1 7 into equal spaces, as shown. Now using G as…
Architecture · Building · Carpentry
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