Licence: Public Domain Mark
Credit: Johann Valentin Scheid. Mezzotint by F. Stenglin. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0005276/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Johann Valentin Scheid. Mezzotint by F. Stenglin. Wellcome Collection. Source: Wellcome Collection.