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Making gold colored bronze

Take six ounces of tin […], six ounces of natural sulphur, and sal ammoniac. Melt the tin in a spoon. When it is molten add quicksilver and cast in a line. Then crush all the drugs together in a mortar, and

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and put in an earthenwarepot, and make it that very hot ashes are underneath. Little by little, make the fire underneath grow bigger and bigger, and the pot must not be moved. And when it is cooked, and if it takes up to six hours, mind that the smoke does not make you ill because it is bad.