Engineering: three-quarter views of two drilling machines, one with multiple heads. Engraving, c.1861.
- Date:
- 1861
- Reference:
- 45509i
Licence: Public Domain Mark
Credit: Engineering: three-quarter views of two drilling machines, one with multiple heads. Engraving, c.1861. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0024597/full/800%2C/0/default.jpg)