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Catechu Stone Drab
Work the goods 15 minutes in hot water containing 2 pints prepared catechu (see No. 96); lift, and add 2 ounces copperas in solution; work for 15 minutes, and wash in water, then work for 10 minutes in a tub of warm water containing a decoction of 2 ounces logwood; lift, and add ounce alum; work 10 minutes more, wring out and dry.