Mathematics Teacher (1949) Vol. 42, No. 5

  • Mathematics Teacher (1949) Vol. 42, No. 5

    THE MATHEMATICS TEACHER Volume XLII Number 5 Edited by William David Reeve Polar Maps By JOHN KINSELLA Ohio State University, Columbus, Ohio AND A. DAY BnADLEY Hunter College of the City of New York IT IS time for us to get bet ter acquainted with the top and bot tom of the earth. The strategic importance of the Nor th