. Spons' dictionary of engineering, civil, mechanical, military, and naval; with technical terms in French, German, Italian, and Spanish . the wheel are broken away for the purpose of exposing the interior to vie\ water, on reaching the inner ends of these curved passages, having already done its work, isallowed to make its exit by two large central orifices, shown distinctly on the figures at the lettersLL ; the one leading upwards and the other downwards. It then simply ñows quietly away ; forthe vortex being submerged under the surface of the water in the tail-race, the water on being
. Spons' dictionary of engineering, civil, mechanical, military, and naval; with technical terms in French, German, Italian, and Spanish . the wheel are broken away for the purpose of exposing the interior to vie\ water, on reaching the inner ends of these curved passages, having already done its work, isallowed to make its exit by two large central orifices, shown distinctly on the figures at the lettersLL ; the one leading upwards and the other downwards. It then simply ñows quietly away ; forthe vortex being submerged under the surface of the water in the tail-race, the water on being dis-charged wastes no part of the fall by a further descent. At the central orifices, close jointsbetween the case and the wheel, to prevent the escape of water otherwise than through the wheelitself, are made by means of two annular pieces L L, called joint-rings, fitting to the central orifices 1934 HYDRAULIC MACHINES, VARIETIES OF. of the case, and capable of being adjusted, by means of studs and nuts, so as to come close to thewheel without impeding its motion by friction. The four openings H H, Figs. 4070, 4071, through
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Keywords: ., bookcentury1800, bookdecade1870, bookidsp, booksubjectengineering
