Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 425
Fig. 13. Method of Finding Relative Height of Hip or Valley per Foot of Runto that of Common Rafter. the various pitches to the foot of rim. For the ^-pitch roof, the figuresas shown, from 12 on tongue to 12 on blade, are those to be used onthe steel square for the common rafter; and for f pitch,… … ro Ridge ^ M ,J//alleysJAVaney
Architecture · Building
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