on of, severalnatural phenomena, particularly those of artesian wells, andnatural springs and fountains. In sinking wells, or boringfor water, it frequently happens that the water will sud-denly break out and spout above the surface of the ground,and continue to play as a natural fountain. The… … Let the accompanying figure represent the dispositionof the strata of which ABGia a bed of sand or other ma-terials readily pervious to and full of water, and BBH abed or stratum of clay or stone impervious to water, andsuppose above this impervious bed various soils more orless pervious to water.…
Hydrostatics
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