Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 439
Fig. 30. Method of Finding Bevels for All Timbers in Roofs of Equal Pitch. 18 inches between centers in a roof having a pitch of 9 inches to thefoot of run. When jacks are placed between hips and valleys as shown at1, 2, 3, 4, etc., in Fig. 14, a better method of treatment is shown inFig. 29, where…
Architecture · Building
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