Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 17
t 15 lbs. to facilitate calculations. Auxiliary. Something to help out, as an auxiliary cylinderor an auxiliary piston. 18 p2i7nps and Hydraulics. Ball Check-valve. One in which a metal ball is used in placeof a poppet-valve. Balanced Valve. A valve hav-ing an equal pressure onall sides. See… … Ball Check-Valve. Bibb-cock. This is a plug cock having an elbow or curved out-let directing the outflow downward.
Hydraulic machinery · Pumping machinery
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