
Platinum electro-deposited on copper. By Messrs. Johnson
- Made:
- 1885
- maker:
- Johnson Matthey plc
Platinum electro-deposited on copper. By Messrs. Johnson, Matthey and Co., 1885
Details
- Category:
- Metallurgy
- Object Number:
- 1889-164/2026
- Materials:
- platinum (metal) and copper (metal)
- type:
- specimen
- credit:
- John Percy Collection