00461    a2200157   4500020001500000082001700015100002000032245006100052250001200113260006100125300001800186650001000204650003800214650002000252650003100272  a1853393460  a621.252bFRA  aFraenkel, Peter  aWater-pumping devicesba handbook for users and choosers  a2nd ed.  aLondonbIntermediate Technology Publicationsc1986g1997  ax,254p.c24cm  aPumps  aEngineering and allied operations  aApplied physics  aHydraulic-power technology