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- Grugru Palmwood Sample -
- Collections - Artifact
Grugru Palmwood Sample
- Tube of Bamboo Filaments, 1881 -
- 1881
- Collections - Artifact
Tube of Bamboo Filaments, 1881
- Carbon Filament Block, circa 1895 -
- circa 1895
- Collections - Artifact
Carbon Filament Block, circa 1895