Assertion: artillery's sight | /r/HasAspect | means
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Telescopic sights for tanks were adopted before World War II, and these sights usually had a means of aiming off for target movement and graticules marked for different ranges.
text: Some sights had a means of estimating the range, for example using a stadiametric method.