Elements of mechanics: for the use of colleges, academies, and high schools (1859)
Peck, William G. (William Guy), 1820-1892 · New York, A. S. Barnes & Burr · leaf 333
whenit is desirable not to stir the sediment at the bottom of avessel. It is also employed to draw a portion of a liquidfrom the interior ota \ essel when that liquid is overlaid by one of. less specific gravity. The Hydraulic R.im. »28?>. The hydraulic ram is a machine for raising water b\… … of the reservoir, is an orifice which may be closed bya spherical valve D; this valve,when not pressed against theopening, rests in a metallicframework immediately belowthe orifice; G is an air-vesselcommunicating with the reser-voir by an orifice I] which isfitted with a spherical valve U;this…
Mechanics
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