000 00512nam a2200193 4500
001 22410
003 BD-DhUET
008 690625s1969 dcua b 000 0 eng
040 _aDLC
_cDLC
_dBD-DhUET
082 _a621.83
_bDUD/1969
100 1 _aDudley, Darle W.
245 1 4 _aEvolution of the gear art
250 _a1st ed.
260 _aWashington
_bAmerican Gear Manufacturers Association
_c1969
300 _aix, 93 p.
_bill.
_c28 cm.
504 _aIncludes bibliographies
650 0 _aGearing
942 _cGB
999 _c22410
_d22410