
Pocket watch mechanism
Cylinder escapement, with small steel wheel, thin movement, by Jeffrys and Jones, London, England, 1780-1790.
- Measurements:
-
overall: 7 mm 45 mm, 0.04kg
- Materials:
- steel (metal) and enamel
- Object Number:
- 1920-501/1
- type:
- pocket watch and cylinder watch
- Image ©
- The Board of Trustees of the Science Museum