Assertion: windmill's sail | /r/CapableOf | adjust to the wind speed
Facets:
value: without the need
type: MANNER
value: automatically
type: MANNER
Source sentences:
text: Inventions in Great Britain in the late eighteenth and nineteenth centuries led to sails that automatically adjust to the wind speed without the need for the miller to intervene, culminating in patent sails invented by William Cubitt in 1807.