003370000a22001330004500003000900000005001700009100001500026245005300041264004700094300000900141041000800150650001700158650002800175PH-MaWHO20241108112059.01 aWatt, S.B.  aA manual on the hydraulic ram for pumping water.  aLondon : bIntermediate Technology,c1975.  a37p.  aeng  aWater supply  aTechnology, appropriate