Licence: Public Domain Mark
Credit: Anton Heins. Line engraving by C.F. Fritsch, 1764. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0002657/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Anton Heins. Line engraving by C.F. Fritsch, 1764. Wellcome Collection. Source: Wellcome Collection.