Assertion: sextant | /r/CapableOf | replace octant
Facets:
value: gradually
type: MANNER
value: because of its ability
type: CAUSE
Source sentences:
text: Sextants were first developed with wider arcs for calculating longitude from lunar observations, and they replaced octants by the second half of the 18th century.
text: Because of its ability to measure larger angles the sextant gradually replaced the octant.