Mathematics Teacher (1928) Vol. 21, No. 5
THE MATHEMATICS TEACHER VOLUME XXI MAY, 1928 NUMBER 5 MATHEMATICS AND SUNSHINE 1 BY H. E. SLA.UGHT Unitcrsity of Chicago I. SUNSHINE I the average man in the street were asked to name the benefiit derived from sunshine, he would probably say "light and warmth" and there he would stop. But, if we analyze the matter a li
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