Assertion: hourglass | /r/AtLocation | eighth century
Facets:
Source sentences:
text: The hourglass first appeared in Europe in the eighth century, and may have been made by Luitprand, a monk at the cathedral in Chartres, France.
text: The hourglass first appeared in Europe in the eighth century, and may have been made by Luitprand, a monk at the cathedral in Chartres, France.