Pneumatics: a heavy weight suspended from an evacuated sphere. Engraving.
- Reference:
- 47578i
Licence: Public Domain Mark
Credit: Pneumatics: a heavy weight suspended from an evacuated sphere. Engraving. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0025430/full/800%2C/0/default.jpg)