Hicks' Builders' guide, comprising an easy, practical system of estimating material and labor for carpenters, contractors and builders (1907)
Hicks, I. P. (Isaac Perry), b. 1856 · New York, David Williams company · leaf 131
natural for one to think the valley rafter O Tshould start from the point C, but such is not thecase, as will be plainly seen by referring to Fig. 90,which shows that the valley starts at O on the lineof the main common rafter, and comes far above thepoint C, for C O is the same as C N in Fig. 89.… … Fig. 91.—Conical Tower Roof with Rafters Concave in Form. system of framing curved roofs, or molded roofs, as theyare sometimes called. Curved roofs usually take theform of concave, convex or ogee. An ogee is a formhaving a double curve, and is both concave and con-vex. Fig. 91 shows a conical…
Carpentry · Building
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