Machinery: a pipe-boring drill, and a pile-driving hammer. Engraving by A. Bell.
- Reference:
- 45469i
Licence: Public Domain Mark
Credit: Machinery: a pipe-boring drill, and a pile-driving hammer. Engraving by A. Bell. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0024564/full/800%2C/0/default.jpg)