Safety pin caps
- Made:
- 1920-1929
- maker:
- Sherard Osborn Cowper-Coles
This image is released under a CC BY-NC-SA 4.0
Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseSafety pin caps, sherardized by Cowper Coles
Science Museum Group
© The Board of Trustees of the Science Museum
Safety pin caps, sherardized by Cowper Coles, 1920s using a mixture of 5% Zn, 95% pumice, 0.4% napthalene.
Details
- Category:
- Metallurgy
- Object Number:
- 2002-159
- Materials:
- steel (metal) and zinc (metal)
- credit:
- Mr. Peter Cowper-Coles.
