Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 45
beingsufficiently capacious to ad-mit within its mouth amoderate sized house. It isexcavated (of these dimen-sions) through solid rock tothe depth of one hundredand sixty-five feet, where itis enlarged into a capaciouschamber, in the bottom ofwhich is formed a basin orreservoir, to receive the… … Twelfth Century. where it emerges through the rock into a bed of gravel, inwhich the water is found, the whole depth being two hundredand ninety-seven feet; the lower shaft is not in the same verti-cal line with the upper one, nor is itso large, being fifteen feet by nine. As the water is first…
Hydraulic machinery · Pumping machinery
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