Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 420
of Steel Square to Find Miter and Sideof Octagon. TrianglePentagonHexagonHeptagon 11412*^ 8 7 6 345 G THE stp:el square Octagon Nonagon 17 in. and 7 in. 991 , i( It. g Decagon 0^ 3 The miter is to be drawn along the hne of the first cohnnn, as shown for the triangle inFig. 8, and for thehexagon in… … Fig. 8. Use of Square to Find Miter of Equilateral Triangle. and 12 on blade;etc. In Fis:. 11 is shown the relative length of run for a rafter and ahip, the rafter being 12 inches and the hip 17 inches. The reason, asshown in this diagram, why 17 istaken for the run of the hip, in-stead of 12 as…
Architecture · Building · Carpentry
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