00375nam a22001337i 4500001001000000005001700010008004100027082002000068100002400088245005100112260004300163300001700206650001800223SXC00249220260819093327.0260101s1946    ii            000 0 eng d  a500 BEA-S.2222  aBeauchamp, Wilbur L10aScience problems, Book2 /cBeauchamp, Wilbur L  abScott Foresman & Co., Chicago,c1946  ap. ;c22 cm. 0aPure sciences