000			00563pam a2200193 a 4500
020			_a1571031782
040			_aDLC _cDLC _dDLC _dDIS
082	0	0	_a621.8
100	1		_aArmentrout, Patricia,
245	1	4	_aThe pulley / _cPatricia Armentrout.
260			_aVero Beach, Fla. : _bRourke Press, _cc1997.
300			_a24 p. : _bcol. ill. ;
490	1		_aSimple devices
500			_aIncludes index.
520			_aText and pictures introduce the pulley, a simple machine used primarily to lift heavy objects.
650		0	_aPulleys
650		1	_aPulleys.
942			_cBK
999			_c3253 _d3253