Licence: Public Domain Mark
Credit: Georg Winter. Photograph by G. Pauli & Comp., 1877. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0027351/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Georg Winter. Photograph by G. Pauli & Comp., 1877. Wellcome Collection. Source: Wellcome Collection.