Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 543
pis-tons are attached to a common rod, as represented inthe figure. Two valves are placed in the ascend-ing pipe B—one below, the other above its junctionwith the cylinder D. The horizontal pipe H con-nects B and D with the third opening of the cock.By turning the plug of this cock, a… … PUMPS. i37 viously in D is forced up the ascending pipe B; tl:en the communication between A and C is cat i ff,(by turning the cock,) and that be! ID is opened, when the ; irds F by the of the column against the smaller piston—the water previously I tog through an opening shown in front of the cock…
Mechanical engineering
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