The carpenter's and joiner's hand-book: containing a complete treatise on framing hip and valley roofs. Together with much valuable instruction for all mechanics and amateurs, useful rules, tables, etc. ... Illustrated by thirty-seven engravings (1863)
Holly, H. W. (Henry Wells) · Norwich, Conn., Published by H. W. Holly · leaf 18
6. The valley-roof is the same as the hip-roof inverted. The principle of constructionis the same, with a little different applica-tion. HAND-BOOK. 13 … Fig. 4 Let a b (Fig. 4) represent the valley-rafter ;j j are corresponding jack-rafters. Set therise of the roof from a to c j connect b ande: from b to c is the length of the valley-rafter, and! the angle at c the bevel of thesame; set the length b c on the line from a;extend the jack^ to meet the…
Carpentry
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