Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 514
II y II Fig. 1190. ENGINEERING DRAWING. 497 Fig. 1191 is a section of the Baltimore and Ohio coaling bins for loco-motives. Piers.—Fig. 1192 is an elevation of a pile-pier for a bridge. Tenons arecut on the top of the piles, and a cap {a) mortised on. The two outer piles … Fig. 1191. driven in an inclined position, and the heads bolted to the piles adjacent. Thepiles are made into a strong frame laterally by the planks h and c, and plank-braces d d on each side of the piles, bolted through. The string-pieces of the
Mechanical drawing
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