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“Cabala, speculum artis et naturae, in alchymia” by Stephan Michelspacher, 1616, is a short pamphlet about hidden secrets in 4 works of art. The book claims that only masters of alchemy will fully understand them, but gives hints to their meanings relating to: chemistry, astrology, philosophy, art, virtues, and the natural elements.
From Embassy of the Free Mind, and translated on Seculo Spiritus Sancti