Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 600
COOOOM w ^^ hs o o» bs-a Ave. Max. No. of Shovels^ ObservedMin. ^ Ave. Max. No. of Shovels^Observed Min.Aye. Max.595 nO CJ H 596 HANDBOOK OF CONSTRUCTION PLANT POWER CONSUMPTION OP ZSLECTBIC SHOVEI.. An electric shovel with a 2 ^^-cubic-yard dipper was used inexcavating gravel for the Carson River… … Fig. 285. system by 700 ft. of triple-covered flexible cable armored withD-shaped steel tape, which was dragged along the ground as theshovel moved. This cable was dragged over rocks and throughmud and water, but required very little protection. The hoist-ing machinery was driven by a 115-hp.,…
Contractors' operations · Building
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