Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 226
Spiral Wings. Fig. aOT. 228 Pumps and Hydraulics. Fig. 208 represents a very compact design of double actinglow service belt driven pump. The water cylinder is bored andhas a piston fitted to it; both ends of this cylinder are coveredwith heads, one of which has a stuffing box through whichthe…
Hydraulic machinery · Pumping machinery
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