Licence: Public Domain Mark
Credit: William Parsons, 3rd Earl of Rosse. Photograph by Maull & Co. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0026974/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: William Parsons, 3rd Earl of Rosse. Photograph by Maull & Co. Wellcome Collection. Source: Wellcome Collection.