JF Ptak Science Books Post 1846 Part of the Series on the Artistic Display of Information I followed a link to the lovely website Res Obscura and found this great image from the work of Heinrich Khunrath, Ampitheatrum Sapientiae Aeternae...

Rebis Hermaphroditus, 1706, Johann Michael Faust. Engraving, hand-colored. The Getty Research Institute.

From Wikipedia, the free encyclopedia Coordinates: 41.895412, 12.503771 Porta Alchemica (English: alchemical door) , or Alchemy Gate or Magic Portal, is an ancient monument built between 1678 and 1…

“While these Discontents continued, severall Letters past between Queene Elizabeth and Doctor Dee, whereby perhaps he might promise to returne; At length it so fell out, that he left Trebona …