The microscopy of drinking water Hardcover – January 1, 1947by George Chandler Whipple (Author)Microscopy of Drinking Water bt G.C. Whipple$21.95PriceFormat*SelectQuantity*Add to CartProduct Details Hardcover : 586 pages Publisher : John Wiley & Sons; 4th Edition (January 1, 1947) ASIN : B0006RGPO2 Language: : English LOC1.16