Assertion: french harpsichord | /r/HasProperty | based on record
Facets:
value: from sources like the encyclopédie
type: OTHER
value: often
type: TEMPORAL
Source sentences:
text: Many French harpsichords from the 18th century were destroyed during the French Revolution and later used as firewood, so what is known about them is often based on records and drawings from sources like the Encyclopédie.