Hydraulics: a lever-operated pump. Engraving by J. Cleghorn after C. Varley.
- Varley, Cornelius, 1781-1873.
- Reference:
- 45322i
Licence: Public Domain Mark
Credit: Hydraulics: a lever-operated pump. Engraving by J. Cleghorn after C. Varley. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0024459/full/800%2C/0/default.jpg)