000 00236nam a22001097a 4500
082 _a621.8 BEV
100 _aBEVAN,THOMAS
_941936
245 _aTHE THEORY OF MACHINES
260 _aLONDON
_bLONGMAN
_c1962
300 _a621P
942 _cBK
999 _c567665
_d567665