00341nam a2200121Ia 4500008004100000082002000041100002100061245004500082260003400127300001000161630001800171650003000189211109s9999||||xx |||||||||||||| ||und||  a612.3924bCAL-E  aCaldwell, Otis W 0aElements Of General Science Lab Problems  bGinn and CompanyaU s ac1920  a188p.  xGeneral Stack  aSocial SciencexGeneralia