skos:altLabel | - instrument
- devices
- scientific instrument
- astrolabe
- Astrolab
- Astrolabe with angular scale
- Astrolabe#Medieval era
- Astrolabii
- Astrolabium
- astrelabie
- astrolabes
- astrolabic
- astronomical measurement device
- land astrolabes
- nautical tools
- navigational device
- plane astrolabe
- planispheric astrolabe
- the Arabic astrolabe
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