Clocks: a Smeaton-Franklin clock (top), and a Ferguson clock (below). Engraving by J. Taylor.
- Date:
- 1 January 1810
- Reference:
- 40896i
Licence: Public Domain Mark
Credit: Clocks: a Smeaton-Franklin clock (top), and a Ferguson clock (below). Engraving by J. Taylor. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0023840EC/full/800%2C/0/default.jpg)