Assertion: arc lamp | /r/HasProperty | superseded by filament lamps
Facets:
value: in most roles
type: LOCATION
Source sentences:
text: Arc lamps were superseded by filament lamps in most roles, remaining in only certain niche applications such as cinema projection, followspots, and searchlights.
text: Arc lamps were superseded by filament lamps in most roles, remaining in only certain niche applications such as cinema projection, followspots, and searchlights.