Assertion: rapier | /r/HasAspect | differential cross section
Facets:
value: along their length
type: LOCATION
value: virtually
type: MANNER
Source sentences:
text: As with so many other types of historical swords, virtually all rapiers had a differential cross section along their length – a change in their blade geometry or shape –, going from a thick but narrow hexagonal, square, or star shape to a flatter triangular or oval toward the point.