Copper kettle
Copper kettles are used in almost all commercial kitchens world-class application. Copper boiler, besides the excellent thermal conductivity and a very nice optical, timeless character. We finished it, with or without iron handle bar, which is useful for hanging the kettle over open fire is. (Cauldron)
Copper kettles can be used for all kinds of dishes (soups, stews, mulled wine and Feuerzangenbowle) There must be nothing mysterious in your cauldron.