Two discs
- Made:
- 1920-1929
- maker:
- Sherard Osborn Cowper-Coles
This image is released under a CC BY-NC-SA 4.0
Licence
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Science Museum Group
© The Board of Trustees of the Science Museum
Two discs, 40mm diameter, one sherardized by Cowper Coles in the 1920s.
Details
- Category:
- Metallurgy
- Object Number:
- 2002-181
- Materials:
- steel (metal) and zinc (metal)
- Measurements:
-
: x 1.5748 in.; x 40 mm
- type:
- two discs
- credit:
- Mr. Peter Cowper-Coles.
