000			00591pam a2200205 a 4500
020			_a1571031774
040			_aDLC _cDLC _dDLC _dDIS
082	0	0	_a621.8
100	1		_aArmentrout, Patricia,
245	1	4	_aThe lever / _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 lever, a simple machine used to change force and motion.
650		0	_aLevers
650		0	_aLifting and carrying
650		1	_aLevers.
942			_cBK
999			_c3248 _d3248