Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 148
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 bridg-es, and the excavating was done by practically… … 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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