Licence: Public Domain Mark
Credit: Benjamin Franklin. Line engraving by J. Goldar, 1785. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0002042EL/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Benjamin Franklin. Line engraving by J. Goldar, 1785. Wellcome Collection. Source: Wellcome Collection.