Assertion: astronomical clock | /r/HasProperty | developed by english mathematician
Facets:
value: in st albans
type: LOCATION
value: during the 1330s
type: TEMPORAL
Source sentences:
text: The astronomical clocks developed by the English mathematician and cleric Richard of Wallingford in St Albans during the 1330s, and by medieval Italian physician and astronomer Giovanni de Dondi in Padua between 1348 and 1364 are masterpieces of their type.