Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 381
asily obtained. If only a small quantity is tobe washed, it may be done with a hose. A trough should be builtabout 8 feet wide and 15 feet long, the bottom having a slope ofabout 19 inches in its entire length. The side should be about 8inches high at the lower end, and increase gradually to a… … Fig. 151. Group of Blocks Made on Hercules Machines. trough, and a stream of water is played on it. The sand and waterflow down the trough, and the dirt passes over the gate with theoverflow water. With a trough of the above dimensions, and a streamof water from a |-inch hose, three cubic yards of…
Architecture · Building
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