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- Scientific apparatus and instruments[remove]282
- Laboratories177
- College students135
- College teachers105
- Portraits33
- Scientists30
- Biologists13
- Astronomical instruments5
- Computers5
- Doctoral students4
- Geology4
- African American college students3
- interior views3
- African American college teachers2
- Cameras1
- Educational benefactors1
- Science1
- Telescopes1