Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 30
r C and jiiston P areoften not in a pit but lie in a horizontal position. Most modern eleva-tors are electric rather than hydraulic. 27. City water supply. Fig. 15 illustrates the method bywhich a city is often supplied with water from a distant source.The aqueduct from the lake a passes under a… … ::^ IS [i^ X FKi. 15. City water supply from lake tlie whole system, then the water level in e would of neces-sity be the same as that in a, and the level in the pipes ofthe building B would be the same as that in the standpipe P.But when the water is flowing, the friction of the mainscauses the…
Physics
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