Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 143
!!4, ^/// ^I, / / / 11 I I I /o;..u I ELEVATIONW … Fig. 54.desired to know how the side of the tapering elbow would look,take a tracing of N O K J, reverse it and place it as shown byJ W M K. For the pattern i^roceed as follows: With L as a center andL H as a radius describe the arc 1 1. Starting from 1 set off on 112 SHEET-METAL WORK 53 this arc…
Architecture · Building · Carpentry
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