Licence: Public Domain Mark
Credit: Four brewers at work. Engraving, c. 1805. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0019356/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Four brewers at work. Engraving, c. 1805. Wellcome Collection. Source: Wellcome Collection.