Handbook of construction plant, its cost and efficiency (1914)
Dana, Richard Turner, 1876-1928 · Chicago, The M. C. Clark Publishing Co. · leaf 427
nly the metallic parts of this mixer, that is, the hoppers,chutes, gates, etc., and not the wooden framework, are furnishedby the manufacturer. 422 HANDBOOK OF CONSTRUCTION PLANT Stationary Gravity Concrete Mixer. (Figs. 179, 180) Smallsize, capacity %, cu. yd. per batch, weight of metallic… … Fig. 180. operated by being raised with a derrick or elevator. The capacityof this small machine is about six cu. yds. per hour and % cu.yds. per batch. Weight 1,400 lbs., complete. Minimum height12 ft. Price $550. Output of Mixers. On well organized work a batch every twominutes, or 30 batches an…
Contractors' operations · Building
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