Licence: Public Domain Mark
Credit: Johann Gottlieb Gleditsch. Line engraving by J.D. Schleuen. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0002270/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Johann Gottlieb Gleditsch. Line engraving by J.D. Schleuen. Wellcome Collection. Source: Wellcome Collection.