Scrape a little rotten-stone fine, and make into a paste with sweet oil. Rub on with a piece of flannel; let it dry, and polish with a chamois-skin. Copper is cleaned either with vinegar and salt mixed in equal parts, or with oxalic acid. The latter is a deadly poison, and must be treated accordingly.
Source: The Easiest Way in Housekeeping and Cooking, H. CampbellFiled under Remedy | Tags: brass, campbell, chamois, chamois-skin, clean, cleaning, copper, oil. flannel, oxalic acid, poison, rotten-stone, salt, sweet oil, vinegar | Comment (0)