King, Charles A. (Charles Albert), b. 1865 · New York, Cincinnati [etc.] American book company · leaf 108
.<y^ ^ ^:->- ROOF CONSTRUCTION 93 … Fig. 86. — The Strut. The application of the above formula upon the steel square is as follows: using the bevel board as illustrated in Fig. 84, slip Bl. along the base line, ab, until A on To. intersects with the pitch of the roof (c6). The reading of Bl. X 2 = Ci.The cut of the end of the collar…
Carpentry
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