Native graphite from the Horicon Mines, U.S.A.
- Made:
- before 1889
Native graphite from the Horicon Mines, Ticonderoga
Details
- Category:
- Metallurgy
- Object Number:
- 1889-164/391
- type:
- specimen
- credit:
- John Percy Collection
Native graphite from the Horicon Mines, Ticonderoga