Assertion: searchlight | /r/HasProperty | combined with acoustic direction-finders
Facets:
value: at the outset of the war
type: TEMPORAL
value: with guiding the searchlights
type: OTHER
Source sentences:
text: At the outset of the war, searchlights were combined with acoustic direction-finders, with the direction-finders guiding the searchlights to the right part of the sky, where they swept until they found the target.