Four safety pins

Made:
1920-1929
maker:
Sherard Osborn Cowper-Coles
Four safety pins

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Four safety pins
Science Museum Group
© The Board of Trustees of the Science Museum

Four safety pins, continuously sherardized by Cowper Coles in the 1920s.

Details

Category:
Metallurgy
Object Number:
2002-221
Materials:
steel (metal) and zinc (metal)
Measurements:
: .0787 x .2362 x 1.4961 in.; 2 x 6 x 38 mm
type:
four sherardized safety pins
credit:
Mr. Peter Cowper-Coles.