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- Refracting telescopes[remove]98
- Astronomical instruments92
- Astronomical observatories91
- Spectrometer28
- Micrometers (Instruments)10
- Portraits10
- Astronomical photometry9
- Observatory domes5
- Interferometers2
- Women inventors2
- https://id.loc.gov/authorities/subjects/sh850676762
- Astronomical photography1
- Jupiter (Planet)1
- Night photography1
- Saturn (Planet)1