Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 108
e outlet, to produce a open, and water rushes into the cylin- constant flow. The outlet from the der, the outlet-valve being closed. On air-chamber is shown at 2 places, from the descent of the piston, the suction- either of which water may be taken. valve closes, and water is forced up The air is… … P'ig. 52 is a double lantern-bellows ])ump. As one bellows is distciuled by Fig 49 is a nuiilern lift-pump ope- tile lever, air is rarefied within it, and rating in the same manner as that
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
