Three steel pins

Made:
1929
maker:
Sherard Osborn Cowper-Coles
Three steel pins, 36mm long, 6mm diameter

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Three steel pins, 36mm long, 6mm diameter
Science Museum Group
© The Board of Trustees of the Science Museum

Three steel pins, 36mm long, 6mm diameter, sherardized by Cowper Coles in 1929.

Details

Category:
Metallurgy
Object Number:
2002-126
Materials:
steel (metal) and zinc (metal)
Measurements:
: 1.4173 x .2362 in.; 36 x 6 mm
type:
three sherardized steel pins
credit:
Mr. Peter Cowper-Coles.