000 00302nam a2200121Ia 4500
008 220201s1954 xx 000 0 eng d
041 _aENG
100 _aSMITH, D R L
245 0 _aPRACTICAL GEAR DESIGN
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1954
300 _a335
942 _2ddc
999 _c40527
_d40527