Chicago : Engineering and Contracting Pub. Co. · leaf 453
its foot and round a crab winch bar-rel situated about 15 ft. away. The bucketswere built of wood and bound with iron strapsunderneath and at corners, and at one enda sheet iron lip was fastened in. The car-rying pulleys were made out of two 5-ifl,snatch blocks, stiffened with a wooden dis-tance… … Sketch of Forms for Facing Rock Fill Dam with Concrete. Dctober 25, 1911. ENGINEERING & CONTRACTING 439 TABLE Total quantity dumped drilling and charging holes, per cu. yd )rill sharpening Explosives rucking Vinch himping idministration feneral charges Total, pence eet drilled per cu. yd.,…
Buildings
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