Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 201
Fia. 175. t^ Ftg. 176. distances and in a remarkably large proportion, these pipe wellsare directly connected with the suction part of hand pumps. Note.—Wheu a well fails to yield a fair amount of oil or water, anincrease in the flow is often effected by means of the Roberts torpedo. Thisis a thin…
Hydraulic machinery · Pumping machinery
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