Betel is a gentle demon described in the Grimoire of Armadel, who is best summoned alone in a forest or secluded garden. He can teach the knowledge that God imparted to Adam, and the virtues of all living things and the laws and uses of those virtues. Image: Eve Harms
Calendarium Naturale Magicum Perpetuum, 1620. Created by the alchemist and esoteric author Johann Baptist Grossschedel von Aicha, this chart acts as a grimoire and reference. The three sheets together measure to four feet long and two feet wide.
Diagram of magickal instruments described in Trithemius’ Book of Secrets: a magic circle, crystal, the Holy Table of Arch Angel Michael, incense/herb burner, magic wand, and candles. From The Book of the Magi, Francis Barrett, 1896. Source: Wellcome Library
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A witch at her cauldron, standing in a magic circle, surrounded by demons. A grimoire (book of magick spells) can be seen in the right corner, and a goat, representing the Devil, can be seen behind her. Etching by Jan van de Velde II, 1626. Source: Wellcome Library