000 00254nam a2200121Ia 4500
999 _c1257
_d1257
100 _aMoorfield S H
245 _aHeat Engines
250 _a3
260 _aLondon
_bEdward Arnold & Co.
_c1949
300 _avii+326
700 _aWinstanley H H
942 _cBK