![](https://coimages.sciencemuseumgroup.org.uk/55/160/large_thumbnail_1937_0093.jpg)
internal and external gauges
- Made:
- 1835-1865 in Manchester
![Pair of internal and external cylindrical gauges 3/8, made by J](https://coimages.sciencemuseumgroup.org.uk/324/208/medium_smg00181562.jpg)
Pair of internal and external cylindrical gauges 3/8", made by J. Whitworth and Co., mid 19th century
Details
- Category:
- Industrial Metrology
- Object Number:
- 1954-25
- Materials:
- steel-hardened
- Measurements:
-
8 x 3.5 cm
- type:
- gauges
- credit:
- George Clark, F. & Sons (Toolmakers) Ltd.