Sample of purified graphite from Horicon Mines, U.S.A.
- Made:
- before 1889
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