Richey's guide and assistant for carpenters and mechanics : a work of practical information, giving almost every geometrical and practical problem likely to arise in the work of the carpenter, and quick and easy methods for their solution : the use of the steel square, etc., tables showing strength and weight of materials, methods of framing, useful recipes, etc., etc. (1894)
Richey, H. G. (Harry Grant), b. 1868 · New York : W.T. Comstock · leaf 24
v-y ^ \ 0^/ ^ -v<y/ 1 5 1 ^h^y^ ! ^ > , \p^ ng.ii positions ; then draw the ridge line, as 7 (2, ^ 10, 8 <5 and9 c. Then draw the valley lines, as 2 a, 2 b, ^ c and 5 dywhich show the position of the valleys if they w^ere droppeddown to a level. Then draw the cripples as shown,… … the rafter, with a rise of 4 feet 2^ inches. In a quarter pitchroof the rise of the rafter to each foot is 6 inches, so wetake 12 on the blade of the square and 6 on the tongue andplace it on tlie rafter as shown in Fig. 12, taking the length i8 GUIDE AND ASSISTANT as many times as feet in the run,…
Carpentry
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