A water that takes away all dirt and spots from cloth of gold and velvet

Take crude red arsenic, and crude Mars, of each an equal part, grind it small and pour clean running water thereon. Also put five-leaved herb therein, and let it boil down by half, then let it cool and stand in the sun for two hours. Afterwards wash the cloth of gold or velvet therewith, and let it dry in the sun.

Citation Type  Cleaning Recipe
Citation Year 1532