Hexagonal nut, 15mm across, chromatized by Cowper Coles in 1929.
Details
- Category:
- Metallurgy
- Object Number:
- 2002-112
- Materials:
- steel, chromium
- Measurements:
-
: x .5906 in.; x 15 mm
- type:
- chromium plated nut
- credit:
- Mr. Peter Cowper-Coles.