This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Musaeum Hermeticum Dragon . Artwork that required decoding by the practitioner had always been part of alchemical communication Medieval alchemy in the West added visual imagery to that long tradition engraving Institution Chemical Heritage Foundation object history exhibition history credit line chemheritage org Chemical Heritage