A form of divination that uses vessels of metals, especially brass because of its supposed anti-demonic qualities. A fluid would be poured into the vessel and the diviner, perhaps in a trance, looks into the fluid and has prophetic visions.
Readers, please enjoy this guest blog post by Sandra Kynes, author of several books, including The Herb Gardener's Essential Guide, Plant Magic, and the new Witches' Encyclopedia of Magical Plants, among many others.
Although a few old books...