Handbook of construction plant, its cost and efficiency (1914)
Dana, Richard Turner, 1876-1928 · Chicago, The M. C. Clark Publishing Co. · leaf 149
elt Conveyor used by Ryan &Parker in excavating for the foundation of the power house ofthe New York Gas and Electric Light, Heat and Power Co. Theearth was delivered to the conveyor from wheel scrapers through 144 HANDBOOK OF CONSTRUCTION PLANT bridges, and the excavating was done by… … Fig. 66. being required. It was subjected to the roughest kind of usage;rocks weighing over 100 pounds were constantly dumped uponit, but never caused a moments stoppage during the entirework. The width of the belt was 30 inches, and the actual
Contractors' operations · Building
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