CLAVIS ARTIS - Persian Zoroaster (Zarathustra) -

Over A Skin Of Dragon. Clavis Artis is the title of an alchemy manuscript created in Germany in the late seventeenth or early eighteenth century, attributed to the Persian Zoroaster (Zarathustra). The work is in three volumes of medium format, two of which are illustrated here. The text is in German Gothic script cursive and is accompanied by numerous illustrations in watercolor depicting alchemical images. There are also some pen drawings depicting laboratory instruments.