00625cam a2200169 4500 1261961630 TxAuBib 740909s1958||||||||||||||||||||||||eng|u 58011919 ITD m.c. OCL CIN TxAuBib Unesco. 700 science experiments for everyone / Foreword by Gerald Wendt. Originally published as UNESCO source book for science teaching. [1st American ed. Garden City, N.Y. : Doubleday, 1958. 221 p : illus ; 25 cm. Science Study and teaching.