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Subjects
- Engineers -- Michigan -- Ann Arbor.[remove]7
- Engineering.3
- Billiards.1
- Boats.1
- Bridges.1
- Building materials.1
- Buildings -- Michigan -- Detroit.1
- Camping.1
- Canals.1
- Computer engineering.1
- Computers.1
- Concrete construction.1
- Construction industry -- New York (State) -- New York.1
- Dams.1
- Electric engineering -- Study and teaching.1
- Electrostatics.1
- Engineering -- Study and teaching.1
- Exhibitions.1
- Immigrants -- United States.1
- Indians of North America.1