Assertion: sextant | /r/CapableOf | replace the astrolabe
Facets:
value: as the main instrument for navigation
type: PURPOSE
value: as the navigational instrument of choice
type: MANNER
value: after
type: TEMPORAL
Source sentences:
text: The sextant was first developed around 1730 and soon after began to replace the astrolabe as the navigational instrument of choice.
text: The specific feature that let the sextant displace the astrolabe is that celestial objects are measured relative to the horizon, rather than relative to the instrument.
text: The sextant replaced the astrolabe, which was used by ancient astronomers for navigation.
text: The sextant replaced the astrolabe.
text: The sextant replaced the astrolabe as the main instrument for navigation.