Handbook of construction plant, its cost and efficiency (1914)
Dana, Richard Turner, 1876-1928 · Chicago, The M. C. Clark Publishing Co. · leaf 429
trequired. The crusher was a 10x20 in. jaw crusher which wasfed by hand with stone dumped by teams on the crusher platform.The gravel and sand were dumped on the platform and shoveledon to an inclined grating which allowed the sand to drop into a34-ft. bucket elevator, while the larger gravel was… … Fig. 182. Plan of Screening, Crushing and Mixing Plant, Spring-field Filters. the proper amount of cement from a hopper and was hoisted upthe incline and its contents automatically dumped into a one-yard mixer which discharged into a one-yard hoisting bucket ona flat car. These cars, which had room…
Contractors' operations · Building
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