Electrotype copper, hard and not good for German silver

Made:
before 1889
Electrotype copper, hard and not good for German silver

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Electrotype copper, hard and not good for German silver
Science Museum Group
© The Board of Trustees of the Science Museum

Electrotype copper, hard and not good for German silver

Details

Category:
Metallurgy
Object Number:
1889-164/903
type:
specimen
credit:
John Percy Collection