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To Detect Watered Milk

The corrosive sublimate throws down a whitish, milk is by adding water, and we may readily flocculent precipitate; a solution of tannin, ascertain the exact extent of adulteration by or an infusion of galls, gives a curdy, yellow- the following plan. If a glass tube, divided ish-white precipitate, which, on being stirred, coheres into an elastic mass, insoluble in water, and, when dry, assumes the appearance of over-tanned leather.