Licence: Public Domain Mark
Credit: Johann Caspar Hirzel. Mezzotint by J. E. Haid, 1775. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0002793/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Johann Caspar Hirzel. Mezzotint by J. E. Haid, 1775. Wellcome Collection. Source: Wellcome Collection.