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- Scientific illustration[remove]14
- Spectrum analysis13
- Scientific apparatus and instruments4
- Astronomy3
- Spectrum, Solar3
- Alkalies2
- Light--Study and teaching2
- Prisms2
- Solar eclipses2
- Sun2
- Alkaline earth metals1
- Blood--Analysis1
- Cazin, Achille, 1832-18771
- Color1
- Electronic excitation1
- Magnifying glasses1
- Microscopes1
- Microscopy1
- Muscovite1
- Muscovite--Analysis1