Clocks: an escapement mechanism. Engraving by W. Kelsall after J. Clement.
- Clement, Joseph, 1779-1844.
- Reference:
- 40936i
Licence: Public Domain Mark
Credit: Clocks: an escapement mechanism. Engraving by W. Kelsall after J. Clement. Wellcome Collection. Source: Wellcome Collection.
