Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 420
in-stead of 12 as for the commonrafter, is that the seats of the com-mon rafter and hip do not runparallel with each other, but di-verge in roofs of equal pitch at anangle of 45 degrees; therefore, 17inches taken on the run of the hipis equal to only 12 inches whentaken on that of the commonrafter,… … Fig. 9. Use of Square to Find Miter ofHexagon. 346 THE STEEL SQUARE 7 for a pentagon, which makes a 36-degree angle with the plate, thefigure to be used =-,on the square for Trun is 14| inches;for a hexagon,which makes a30-degree anglewith the plate,the figure will be13| inches; andfor an…
Architecture · Building
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