J. Priestley, Experiments and Observations
Licence: Public Domain Mark
Credit: J. Priestley, Experiments and Observations. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0032510/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: J. Priestley, Experiments and Observations. Wellcome Collection. Source: Wellcome Collection.