000			nam a22 7a 4500
999			_c24859 _d24859
008			170130b xxu||||| |||| 00| 0 eng d
050			_aQ 171 .H45 1962
100			_aHelmholtz, Herman Von.
245			_aPopular scientific lectures/ _cherman Von Helmholtz and Morris Kline.
260			_aNewYork : _bDover Publication, _c1962.
300			_axii285p. : _bill. ; _c25cm.
500			_aInclude index.
650			_aScience.
700			_aKline, Morris.
942			_2lcc _cBOOKS