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LicenseScrew 120mm long, sherardized by Cowper Coles in the 1920s.
Science Museum Group
© The Board of Trustees of the Science Museum
Screw 120mm long, sherardized by Cowper Coles in the 1920s.
Details
- Category:
- Metallurgy
- Object Number:
- 2002-176
- Materials:
- steel (metal) and zinc (metal)
- Measurements:
-
: 4.7244 in.; 120 mm
- type:
- sherardized drill bit
- credit:
- Mr. Peter Cowper-Coles.
