Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 427
The realcapacity of any mixer is usually determined by the speed withwhich the materials are delivered and taken away. In regardto mixer efficiency I can do no better than to quote from Gilletteand Hills Concrete Construction: The most efficient mixer isthe one that gives the maximum product of… … Fig. 181. Portable Gravity iVIixer. 423 424 HANDBOOK OF CONSTRUCTION PLANT This plant is shown in Fig. 182. The engine used was a-40H. P. gasoline engine, but a 25 H. P. was all that the plantrequired. The crusher was a 10x20 in. jaw crusher which wasfed by hand with stone dumped by teams on the…
Contractors' operations · Building
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