Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Aluminium foil, LM. Olivia Engmann. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/B0010788/full/800%2C/0/default.jpg)
Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Aluminium foil, LM. Olivia Engmann. Source: Wellcome Collection.