Natural graphite from Ceylon, for making " black-lead" crucibles

Made:
before 1889

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Science Museum Group Collection
© The Board of Trustees of the Science Museum, London

Natural graphite from Ceylon. As used by the Patent Plumbago Crucible Company in making " black-lead" crucibles

Details

Category:
Metallurgy
Object Number:
1889-164/389
type:
specimen
taxonomy:
  • sample
credit:
John Percy Collection