]]> Lettering continues: "If the common soft or tub soap made into a moderate strong lather, or half an ounce of liquor potassoe in twelve ounces of distill'd water - which is the late Dr. Fordyces prophylatic, or in the absence of these' th best yellow soap, were to be used as preventives of the veneral infection - there could be no longer any excuse nor even bread for one of my profession & callings."]]> Heath, William, 1795-1840
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