![](https://coimages.sciencemuseumgroup.org.uk/28/981/large_thumbnail_1894_0106.jpg)
Extensiometer 200 inches
Extensometer 200 inches, made by Road Research Laboratory, Harmondsworth, Middlesex, crated, with Carry handles
Details
- Category:
- Surveying
- Object Number:
- 1991-3
- Measurements:
-
overall: 185 mm x 1975 mm x 605 mm,
- type:
- extensometer
- credit:
- British Coal Corporation