Licence: Public Domain Mark
Credit: William Perfect. Stipple engraving by W. S. Leney, 1795. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0004611/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: William Perfect. Stipple engraving by W. S. Leney, 1795. Wellcome Collection. Source: Wellcome Collection.