Assertion: clarinet's instrument | /r/CapableOf | measure the altitude of the sun
Facets:
value: simultaneously
type: MANNER
value: by the projection of a shadow
type: MANNER
Source sentences:
text: Backstaff is the name given to any instrument that measures the altitude of the sun by the projection of a shadow.
text: This serves to ensure the instrument is level while simultaneously measuring the altitude of the sun.