Cyclopedia of architecture, carpentry, and building; a general reference work .. (1912)
American School (Lansing, Ill.) · Chicago, American school of correspondence · leaf 431
ine 17. In this figureit is shown that a 6-inch run on a &, which represents ihe run of afoot of a common rafter, will have a corresponding length of 8^ Fig. 20. Method of Determining Run of Valley for Additional Run in Common Rafter. 356 THE STEEL SQUARE 15 inches run on the Hne 17, which… … Fig. 21. Corner of Square Building, Show-ing Plan Lines of Plates and Hip. Fig. 22. Corner of Square Building, Show-ing Plan Lines of Plates and Valley. take 12 on blade and 9 on tongue, and step 10 times along the raftertimber; and for the fractional part of a foot (4 inches), proceed as wasshown…
Architecture · Building
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