Four eagle-stone geodes. Woodcut, 1599.
Licence: Public Domain Mark
Credit: Four eagle-stone geodes. Woodcut, 1599. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0081837/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Four eagle-stone geodes. Woodcut, 1599. Wellcome Collection. Source: Wellcome Collection.