Two steel rods, 295mm long, sherardized by Cowper Coles in the 1920s.
Details
- Category:
- Metallurgy
- Object Number:
- 2002-177
- Materials:
- steel (metal) and zinc (metal)
- Measurements:
-
: 11.6142 in.; 295 mm
- credit:
- Mr. Peter Cowper-Coles.