Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 140
lk, so that it is possible for the milk-man to rob the cream from the milkand then restore it to its proper spe-cific gravity by adding water. Thisfraud must be detected by the intelli-gence of the customer acting togetherwith the lactometer. 132. The Bottle Imp, or CartesianDiver.—Many historic… … Fig. 72. 122 PHYSICS
Physics
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