00510nam a22002057a 450000500170000001000110001702000100002803500110003803700160004904000120006508200160007710000200009324500510011326000320016427000320019630000260022850000190025465000180027365000130029120170124110129.0  a032835  c00.00  a032835  bCen Lib/Ret  aDPLbEN  a631.37bSOU  aSouthwell, P.H.  aThe agricultural tractor /cby P.H. Southwell   aLondonbTemple Press c1953  abowling green lanebLondon   axiii, 169p.c19cm(Hb)  aIncludes index  aAgricultuture  aTractor