000 00294nam a2200121Ia 4500
008 160710s1942 xx 000 0 und d
082 _a621.8 V 21 P
100 _aVALLANCE,ALEX
245 _aPRINCIPLES OF MECHANISM
260 _bTHE MACMILLAN COMPANY
_c1942
300 _a335
942 _2ddc
_cB
999 _c14201
_d14201