Licence: Public Domain Mark
Credit: Henry Charles Fleeming Jenkin. Etching by W. Holl, 1884. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0003068/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Henry Charles Fleeming Jenkin. Etching by W. Holl, 1884. Wellcome Collection. Source: Wellcome Collection.