Assertion: sextant's horizon mirror | /r/HasProperty | split down the middle
Facets:
value: ideally
type: DEGREE
value: with the right half mirrored
type: OTHER
value: with the left
type: OTHER
Source sentences:
text: The horizon mirror, ideally, is split down the middle, with only the right half mirrored and the left half transparent, allowing the direct forward view to come through.