Helmet from Iridis platinum apparatus
- PART OF:
- Iridis platinum apparatus
Platinum helmet, from Iridis platinum apparatus (3.100 oz.), engraved with letters 'S.K.M.'
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1888-304 Pt2
- Materials:
- platinum (metal)
- Measurements:
-
overall: 3.1 oz
- type:
- helmet
- credit:
- Johnson Matthey and Co.
