Alexander the Great travels beneath the sea in a 13th Century glass submarine, an illustration from the Roman d’Alexandre
“Those who wish to master this Science therefore need to sharpen their wits most subtly and ingeniously; to ponder and deliberate as much as possible upon both the inner and the outer meanings of the words of the Sages; and to show a willingness to examine them from various points of view.”
Illustraitons from the Aurora Consurges, a 15th Century illuminated alchemical treatise.
Illuminated single leaf depicting a couple embracing, from Safavid, Iran. In the style of Mu’in Muṣawwir, 17th Century.
How to make a medieval manuscript. A short documentary courtesy of the ArtBabble website, where there are many more videos.