Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 188
pression. Used toequalize the mean pressure of thesteam and air pistons. The cylindersare set at an angle of 45° . Waringand Rand system. 658. DIRECT AIR PRESSUREPUMP.—Two chambers for alternatingthe pumping action are placed near thewater surface in a well or other watersupply. The chambers have… … .J^.
Mechanical movements
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