A man is sitting among various chemical apparatus, he is holding an hourglass; behind him are furnaces on which sit retorts; a city fills the background. The corners of the print are labeled, day, night, warm, cold.
The National Library of Medicine believes this item to be in the public domain. (More information)
Is part of: Quinta essentia ... Subtilitet, Krafft, und Wirchung, beider ... Könsten der Medicina, und Alchemia, pl. VI.; See related catalog record: 2292006R