000 00275nam a2200121Ia 4500
654 _aMECH
100 _aHoughton.P.S.
250 _a1st Ed.
245 _aGears.(Spurhelicalbevel &Worms).
260 _bTemple Press Ltd. London.
_c1956
082 _bHOU
999 _c33245
_d33245
655 _aM-23
546 _aText in English
041 _aeng
300 _c24 cm.