Handbook of construction plant, its cost and efficiency (1914)
Dana, Richard Turner, 1876-1928 · Chicago, The M. C. Clark Publishing Co. · leaf 150
I t» e mMM … Fig. 68. in the mixer house, and run at a speed of 325 feet per minute.This engine also drove a 24-inch Robins Belt Conveyor whichcarried concrete from Smith mixers and discharged it through along chute to cars, which carried the concrete to all points wherefoundations and retaining walls were…
Contractors' operations · Building
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