Assertion: kite | /r/ObjectUse | used as vehicle
Facets:
value: in the 18th and 19th centuries
type: TEMPORAL
value: for discovery
type: PURPOSE
value: for scientific research
type: PURPOSE
Source sentences:
text: Although kites were initially regarded as mere curiosities, by the 18th and 19th centuries they were being used as vehicles for scientific research.
text: In the 18th and 19th centuries, kites were used as vehicles for discovery.