Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 18
d itfirmly in place; also called a lock-nut. Circulating Pump. A pump arranged to force water throughthe tubes of a surface condenser.Frequently a centrifugal pump is usedas a circulating pump. Clack Valve. This takes its name from thenoise it makes in seating; it is made ofleather with a metal… … Clack VAiiVB.
Hydraulic machinery · Pumping machinery
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