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Subjects
- College teachers2
- Laboratory notebooks2
- Metallurgical research2
- Photographic prints2
- Financial records1
- Geologists1
- Metallurgists1
- Metallurgy -- Equipment and supplies1
- Metallurgy -- Study and teaching1
- Mines and mineral resources1
- Mining corporations1
- Refrigeration and refrigerating machinery -- Experiments1
- Scrapbooks1
- Steel -- Metallurgy1
- World War, 1914-19181