Assertion: epicyclic gearing | /r/HasProperty | reinvented by ibn khalaf al-muradi
Facets:
value: in al-andalus
type: LOCATION
value: in the 11th century ad
type: TEMPORAL
Source sentences:
text: In the 11th century AD, epicyclic gearing was reinvented by Ibn Khalaf al-Muradi in Al-Andalus.