Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 110
of this pattern,use 1 and 5 as centers, and with either F E or A B in Fig. 20 asradius, describe the arcs E and E^ in Fig. 21. Now using D ascenter and D E in Fig. 20 as radius, intersect the arcs E and E^ asshown in Fig. 21. Draw lines from 1 to E^ to .D to E to 5, whichcomx)letes the XDattem, to… … Fig. 20. 87 28 SHEET-METAL WORK is indicated by A in Fig. 22. In this problem the cone method isemployed, nsing principles similar to those nsed in d(!veloping afrustum of a cone intersected by any lint;. Therefore in Fig. 23 let
Architecture · Building · Carpentry
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