000 nam a22 7a 4500
999 _c27325
_d27325
008 170208b xxu||||| |||| 00| 0 eng d
020 _a0809497042
050 _aTJ 147 .M33 1993
100 _aMachines.
_d1993
245 _aUnderstanding science & nature:
_bMachines & inventions/
260 _aAlexandria:
_bTime life,
_c1993.
300 _a151p.:
_bill.;
_c30cm.
521 _aIncludes bibliographical references and index.
650 _aMachinery.
942 _2lcc
_cBOOKS
_hTJ 147 .M33 1993