Machinery: various inventions, including a pile-driving hammer, a fountain pen, and several kinds of pump. Engraving by W. Lowry.
- Reference:
- 45467i
Licence: Public Domain Mark
Credit: Machinery: various inventions, including a pile-driving hammer, a fountain pen, and several kinds of pump. Engraving by W. Lowry. Wellcome Collection. Source: Wellcome Collection.
