Philosophical transactions of the Royal Society of London.
Licence: Public Domain Mark
Credit: Philosophical transactions of the Royal Society of London. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0000608/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Philosophical transactions of the Royal Society of London. Wellcome Collection. Source: Wellcome Collection.