- Object number9561
- CreatorCambridge Scientific Instrument Co Ltd (Maker)
- DescriptionSix plug caps and one plug, for crack measurements
- Production date1910 - 1914
- Object nameplug caps
- Materialbrass ; wool, Steel
- Dimensions
- cap Height: 6.5 cm
cap Diameter: 2.5 cm
bolt Length: 10 cm