Hammer hardened manganese steel bar, 1882-1884
- Made:
- 1882-1884
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Science Museum Group
© The Board of Trustees of the Science Museum
Hammer hardened manganese steel bar, 1882-1884
Details
- Category:
- Metallurgy
- Object Number:
- 1930-869
- Materials:
- Manganese steel
- type:
- bar
- credit:
- Sir Robert A. Hadfield
