Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 189
istance MR is 8 feet, thevalley rafter will form thediagonal of a rectangular solid12 inches X 10 inches X 8inches, and its length andbevels can be found as shownin Figs. 199 and 200. In Fig. 198 we find the run which is the hypotenuse of the triangleC R M. That is, the run of the valley rafter is… … Fig. 199. Method of Finding Bevels forVarious Runs of Rafters
Architecture · Building
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