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Subject
- Color printing28
- Color separation28
- Color--Terminology28
- Colors28
- Spectrum analysis18
- Dyes and dyeing10
- Scientific illustration10
- Dyes and dyeing--Textile fibers8
- Sun8
- Astronomy6
- Scientific apparatus and instruments4
- Solar eclipses4
- Coal-tar colors3
- Dyers3
- Spectrum, Solar3
- Account books2
- Dyes and dyeing--Chemistry2
- Dyes and dyeing--Wool2
- Light--Study and teaching2
- Prisms2