Licence: Public Domain Mark
Credit: Adolphe-Michel Gubler. Process print, 1896. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0002434/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Adolphe-Michel Gubler. Process print, 1896. Wellcome Collection. Source: Wellcome Collection.