Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 148
ance/ / Mill give the bevel ofthe line/i iu Fig. 167. In the same way the bevel of the line// may be found. These bevels can be laid off on the vertical sec-tion of the valley rafter which is cut out when the foot cut ismade, and the distances at which the tops of the jacks, E and F inFig. 167,… … Fig. 168. Grapbloal Method of FindingBevels. sloping downward instead of upward, as shown at/? andy/. The j)oiiit/is always in the center of the top edge of the valley rafter. Fig. 1()S shows how the bevels for the valley rafter may be found graphically. Starting with the point/we can draw lines…
Architecture · Building · Carpentry
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