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Subjects
- Metallurgy -- Study and teaching[remove]2
- Chemical engineering -- Study and teaching1
- Civil engineering1
- College teachers1
- Electrical engineering -- United States1
- Engineering -- Study and teaching -- United States1
- Engineering schools1
- Engineering students1
- Industrial engineering1
- Laboratory notebooks1
- Mechanical engineering -- Study and teaching1
- Metallurgical research1
- Metallurgists1
- Metallurgy -- Equipment and supplies1
- Mines and mineral resources1
- Mining corporations1
- Mining engineering -- History1
- Mining schools and education1
- Photographic prints1
- Refrigeration and refrigerating machinery -- Experiments1