Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
acoustic device
|
| gptkbp:alsoKnownAs |
acoustic mirrors
|
| gptkbp:currentUse |
gptkb:cultural_heritage
gptkb:tourist_attraction historical research |
| gptkbp:developedBy |
gptkb:William_Sansome_Tucker
1920s |
| gptkbp:height |
up to 9 meters
|
| gptkbp:heritageStatus |
historic site
|
| https://www.w3.org/2000/01/rdf-schema#label |
Sound Mirrors
|
| gptkbp:location |
gptkb:France
gptkb:Malta gptkb:United_Kingdom |
| gptkbp:material |
gptkb:brick
concrete |
| gptkbp:notableExample |
gptkb:Denge_sound_mirrors
gptkb:Hythe_sound_mirror gptkb:Kilnsea_sound_mirror |
| gptkbp:operationalPeriod |
1920s
1930s |
| gptkbp:purpose |
detecting enemy aircraft before visual contact
|
| gptkbp:replacedBy |
gptkb:radar
|
| gptkbp:shape |
cylindrical
spherical parabolic |
| gptkbp:technology |
passive acoustic detection
|
| gptkbp:usedFor |
early warning system
amplifying sound detecting aircraft |
| gptkbp:width |
up to 30 meters
|
| gptkbp:bfsParent |
gptkb:Coldcut
|
| gptkbp:bfsLayer |
6
|