Sherardized and Super-Sheradized nail

Made:
1927
maker:
Sherard Osborn Cowper-Coles
Sherardized nail and Super-Sheradized nail exposed to spray (5%

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Sherardized nail and Super-Sheradized nail exposed to spray (5%
Science Museum Group
© The Board of Trustees of the Science Museum

Sherardized nail and Super-Sheradized nail exposed to spray (5% solution of common salt) together for 7 days by Cowper Coles in 1927.

Details

Category:
Metallurgy
Object Number:
2002-138
Materials:
steel (metal) and zinc (metal)
Measurements:
: 3.1496 in.; 80 mm
type:
sherardized corrosion test samples.
credit:
Mr. Peter Cowper-Coles.