The Watchtowers of the Order of the Golden Dawn (such as the Great Western Quadrangle of Water, below) remind me of circuit board diagrams – as though a wizard could use such a talisman to trace a thought process for fashioning various magical effects.
The Great Western Quadrangle of Water
Similarly, the 'spirals' below might indicate the required sequence of concepts for casting a given spell.
Spellbooks would likely provide information regarding the identification, cultivation, and preparation of material components.
In the French role-playing game Rêve de Dragon, the spells that a magician may cast are limited by which “dreamland” the magician's astral body occupies. For game purposes, there is a map of the Dreamlands where each dreamland is represented by a hex. The so-called Zoroaster's Telescope reminds me of the Rêve magic system.
|Telescope de Zoroastre (collage) and Enochian characters|
Here are a variety of images for which I do not have particular commentary.
Magia Naturalis et Innaturalis (collage)
Sefer Raziel HaMalakh
Sphinx Mystagoga (collage)