Licence: Public Domain Mark
Credit: Hermann Paul Juch. Line engraving by G.H. Werner. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0003140/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Hermann Paul Juch. Line engraving by G.H. Werner. Wellcome Collection. Source: Wellcome Collection.