caption: The image shows an engraving of a group of people in a room, with a poster in the center featuring text and images. The poster is titled "Theatrum of the Chymicum" and was created by Johannes Verborgentheden. The people in the image are depicted in a variety of poses, with some standing and some sitting, and the room is filled with various objects. The text on the poster is written in a bold font and is surrounded by a decorative border.