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The Babcock tester in our possession was purchased by my husband's father in about 1925, probably from Sears, Roebuck and Co. It has four receptacles for four long-neck, glass bottles in which a sample of milk and certain amount of sulphuric acid were placed. It was cranked by hand, and centrifugal force made the butterfat rise in the bottle's neck, where a reading was taken. Thus, a farmer could evaluate each cow's production, as well as check the validity of the cheesemaker's calculations. We have all the parts for this tester except the small glass beaker. We would like to know our tester's value.
-Myrna Kautz, N 1672 CTH X, Merrill, Wis. 54452.