<i>Conservation of Water</i> . By Walter McCulloh, C. E. Addresses delivered in the Chester S. Lyman lecture series, 1912, before the senior class of the Sheffield Scientific School, Yale University. New Haven, Yale University Press; London, Humphrey Milford, Oxford University Press. Cloth, 6¾ × 9¾ in. Pp. x+ 99; 39 illustrations. $2. Postage, 15 cents.
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