Clocks: the mechanism of an alarm clock. Engraving after J. Farey.
- Farey, John, 1791-1851.
- Reference:
- 40932i
Licence: Public Domain Mark
Credit: Clocks: the mechanism of an alarm clock. Engraving after J. Farey. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0023846/full/800%2C/0/default.jpg)