Perkins's patent metallic tractors / [Benjamin Douglas Perkins].
- Perkins, Benjamin Douglas, 1774-1810
- Date:
- [1801]
Licence: Public Domain Mark
Credit: Perkins's patent metallic tractors / [Benjamin Douglas Perkins]. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0030172/full/800%2C/0/default.jpg)
Licence: Public Domain Mark
Credit: Perkins's patent metallic tractors / [Benjamin Douglas Perkins]. Source: Wellcome Collection.