Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 333
r capacity it may be said there are now in use pumps of thisclass, exerting over 250 horse-power, delivering five million gallons of water intwenty-four hours through main pipes, say thirty inches diameter and four-teen miles long, without the use of an air chamber, and which do their workso… … FiO. 302.
Hydraulic machinery · Pumping machinery
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