A condenser, an air-gun and a ventilator. Etching by A. Walker after B. Martin.
- Martin, Benjamin, 1705-1782.
- Reference:
- 29422i
Licence: Public Domain Mark
Credit: A condenser, an air-gun and a ventilator. Etching by A. Walker after B. Martin. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0039417/full/800%2C/0/default.jpg)