01281cam a22002891  4500001001300000003000400013005001700017008004100034010001700075035001900092040007400111042001200185050002700197100002600224245009300250260016200343300002400505410006600529500001600595501020700611504002500818650003300843650003200876700004800908740001800956999001700974hew64000012 DLC20260227111513.0771205s1963    xx            000 0 eng c  ahew64000012   a(OCoLC)3464987  aU.S.Dept. of Health, Education and Welfare. LibrarycDNIEdOCoLCdDLC  apremarc00aL111b.A6 1963, no. 301 aPiltz, Albert,d1915-10aScience equipment and materials :bscience kits,cby Albert Piltz and William J. Gruver.  a[Washington]bU.S.Dept. of Health, Education, and Welfare, Office of Education ; [for sale by the Superintendent of Documents, U.S. Govt. Print. Off.,c1963]  av, 26 p. :btables.10aUnited States.bOffice of Education.tBulletin 1963,vno. 30.  a"OE-29049."  aCopies 1 and 3 with: Education in Czechoslovakia / Nellie Apanasewicz. Washington : U.S.Dept. of Health, Education, and Welfare, Office of Education, 1963. Bound together subsequent to publication.5DLC  aBibliography : p.26. 0aSciencexStudy and teaching. 0aTeachingxAids and devices.1 aGruver, William John,d1914-ejoint author.0 aScience kits.  c34461d34461