Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 198
ater, from which the windpressure per square foot may be ob-tained from the measured hydrostatiapressure of the water. 698. COMPOUND POHLE AIRLIFT.—In compounding an air liftfor mine drainage but one-half thedepth of sump is required as for a sin-gle lift and by still further duplicatingthe lifts,… … iSS AIR POWER APPLIANCES.
Mechanical movements
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