00353cam a2200133ua 4500041001000000082001600010100002000026245007800046250001200124260004600136300001200182504000500194700002000199  aengh  a531bHUM/EL  aHumphrey, D   .  aElementary mechanics with hydrostatics / cD Humphrey.hTextual Documents  a1 / b.  aLondon : bLongman Green and Co , c1961.  a628 ; .  a1 aBaggott, E A  .