Sample of purified graphite from Horicon Mines, U.S.A.

Made:
before 1889
Sample of purified graphite from Horicon Mines, Ticonderoga

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Sample of purified graphite from Horicon Mines, Ticonderoga
Science Museum Group
© The Board of Trustees of the Science Museum

Sample of purified graphite from Horicon Mines, Ticonderoga. From the American Graphite Company, New York

Details

Category:
Metallurgy
Object Number:
1889-164/393
type:
specimen
credit:
John Percy Collection