Patent wedge for coal, mkd. IV-22 D.S.&.A.
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Science Museum Group
© The Board of Trustees of the Science Museum
Patent wedge for coal, mkd. IV-22 D.S.&.A.
Science Museum Group
© The Board of Trustees of the Science Museum
Patent wedge for coal, mkd. IV-22 D.S.&.A.
Details
- Category:
- Mining & Ore Dressing
- Object Number:
- 1964-417
- type:
- wedge
- credit:
- Royal School of Mines
