Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 175
antity of water passes into the air-chamber shutting off aiiand compressing it in the space above the mouth d of the dis-charge D. This air by its electric force closes the valve b, andthe water which has entered is raised in the discharge D. As soon as the impulsive action is over, and the water… … Fig. 150. Hydraulic Apparahn. 17? The efficiency of hydraulic rains has been much discussed;exhaustive practical tests have been made and the results havebeen reduced to formulas. Whittakers Mechanical EngineersPocket Book gives the following: E— r— gXhwhere E = the eflficiency ; G== gallons of…
Hydraulic machinery · Pumping machinery
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