Hydraulic engineering; a practical treatise on the principles of water pressure and flow and their application to the development of water power, including the calculation, design and construction of water wheels, turbines, and other details of hydraulic power plants (1909)
American School (Chicago, Ill.), Black, Adolph, Turneaure, Frederick Eugene, 1866- · Chicago American School of Correspondence · leaf 326
le this.shaft was being excavated, a tunnel 12 feet wide and 24 feethigli,with a fall of 2 feet in its entire length, was drifted in from the face cfthe ledge below the Falls, to an intersection with the bottom of theshaft, a distance of 050 feet. Beginning at the foot of the shaft, andextending… … Fig. 187. Interior of Power Chamber nt .Snoqualmie FalLs. This chaml)er forms the power-hou.se, or machinery room, in whichthe water-wheels and electric generators have 1)een installed. Ataverage stages of the river, the water is about 12 feet deep in thetunnel; while during flood sea.sons the…
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