Thames Water: Laboratories leaflet
Licence: In copyright
Credit: Thames Water: Laboratories leaflet. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0071112/full/800%2C/0/default.jpg)
Licence: In copyright
Credit: Thames Water: Laboratories leaflet. Wellcome Collection. Source: Wellcome Collection.