Eccentric wire-gauge made by Messrs. Troughton and Simms and inscribed H.J. Chaney
Details
- Category:
- Industrial Metrology
- Object Number:
- 1956-215
- type:
- wire gauge
- credit:
- Board of Trade
Eccentric wire-gauge made by Messrs. Troughton and Simms and inscribed H.J. Chaney