Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 421
. Fig. 13 illustrates amethod of finding therelative height of a hipor valley per foot run tothat of the common raf-ter. The square is shownplaced with 12 on bladeand 9 on tongue for thecommon rafter; andshows that for the hip therise is only 6y\ inches. The Steel Square asApplied in Roof Fram=…
Architecture · Building
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