Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 909
lled with oil through the gas-tube a, which runs from the top of the forebay. The tube marked6 is to allow the air to escape from the box when it is being filled; that marked c is for drawing off theoil when it is necessary to change it. Should the step wear any, the toe can be changed with… … The operation of the wheel.—The operation of this wheel is very simple ; the top of the cylinder isplaced from 4 to 6 feet from the upper level of the water, or at a sufficient distance to prevent thewater from becoming agitated; thus it will be seen that the movable wheel or turbine is…
Mechanical engineering
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