Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 156
nces. There is a dearthof practical information on this subject; even the manufacturersappear to lack a good deal of important data, and it will be usefulif readers are led to contribute results of their own experience.It is obviously a subject in which experiences may differ widelyunder varying… … CONVEYORS 158 Push or Drag* Conveyors. Amon& the conveyors of this type are the screw, the scraper,and the reciprocatingr. All of them have the advantage that ma-terial can be discharged without complicated machinery, at anydesired point, which makes them especially useful for the fillingof a…
Contractors' operations · Building
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