Spring sherardized by Cowper Coles
- Made:
- 1929
- maker:
- Sherard Osborn Cowper-Coles
Spring, 40mm long and 18mm diameter, sherardized by Cowper Coles in 1929.
Details
- Category:
- Metallurgy
- Object Number:
- 2002-121
- Materials:
- steel (metal) and zinc (metal)
- Measurements:
-
: 1.5748 x .7087 in.; 40 x 18 mm
- type:
- sherardized spring
- credit:
- Mr. Peter Cowper-Coles.