![](https://coimages.sciencemuseumgroup.org.uk/299/498/large_thumbnail_1983_7567__0001_.jpg)
Abtus Voidmeter, for measuring ballast voiding, mounted on steel stake, cast iron and brass, English, 1950-1965
Details
- Object Number:
- 1989-7276
- Materials:
- steel (metal), cast iron and brass (copper, zinc alloy)
- type:
- voidmeter
- credit:
- British Rail, Clapham