00369cam a2200145ua 4500020000900000041001000009082001600019100001800035245007000053250001300123260005300136300002000189365000900209504000500218  c9.50  aengh  a532bLEW/HY  aLewitt, E.H .  aHydraulics and fluid mechanics / cE.H.Lewitt.hTextual Documents  a10 / b.  a : bThe English Language book society , c1923.  a752 : b` ;  .   a9.50  a