Screw, 64mm long, sherardized by Cowper Coles in

Made:
1927
maker:
Sherard Osborn Cowper-Coles

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Science Museum Group
© The Board of Trustees of the Science Museum

Screw, 64mm long, sherardized by Cowper Coles in 1927, using a mixture of zinc dust, pumice and resin.

Details

Category:
Metallurgy
Object Number:
2002-147
type:
sherardized screw
credit:
Mr. Peter Cowper-Coles.