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Subjects
- Physicists -- Michigan -- Ann Arbor.[remove]5
- Physics.3
- Scientific equipment.2
- Astronomical observatories.1
- Astrophysics.1
- Atomic bomb.1
- Explosions.1
- Laboratories -- Furniture, equipment, etc.1
- Laboratories -- Michigan -- Ann Arbor.1
- Nuclear weapons.1
- Ordnance testing.1
- Physics -- Experiments.1
- Physics -- Study and teaching.1
- Positrons.1
- World War, 1939-1945.1