Specimen of sand showing the penetrating power of copper
- Made:
- 1860
Specimen of sand showing the penetrating power of copper, it has been used as a mould for gun casting at Woolwich, presented by A. Laird, 1860
Details
- Category:
- Metallurgy
- Object Number:
- 1889-164/651
- type:
- specimen
- credit:
- John Percy Collection