A rat-catcher in Haarlem with a rat running along his cape holds out rat poison in his right hand; to the right a boy assistant carries a cage on a long stick with rats in and hanging off it. Etching by C. Visscher after himself.

Licence: Public Domain Mark

Credit: A rat-catcher in Haarlem with a rat running along his cape holds out rat poison in his right hand; to the right a boy assistant carries a cage on a long stick with rats in and hanging off it. Etching by C. Visscher after himself. Wellcome Collection. Source: Wellcome Collection.