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- Astronomical instruments[remove]193
- Astronomical observatories173
- Refracting telescopes92
- Reflecting telescopes44
- Spectrometer42
- Astronomical photometry14
- Portraits12
- Telescopes12
- Micrometers (Instruments)11
- Observatory domes4
- Scientific apparatus and instruments4
- Astronomical photography3
- Interferometers2
- Machinery2
- Women inventors2
- https://id.loc.gov/authorities/subjects/sh850676762
- Cameras1
- Night photography1
- Saturn (Planet)1
- Scientific expeditions1