Thesaurus Term/Concept: SOUND MIRROR

Identifier	93370
Class	MONUMENT TYPE
Status	Preferred
Index?	Yes
Scope Note	An early warning structure built during and after WWI along the south and east coasts of England. Sound detecting acoustic dishes and walls could detect the sound of approaching enemy aircraft at a distance of 8 to 15 miles.

Broader Terms/Concepts (1)

Related Terms/Concepts (2)

Narrower Terms/Concepts (3)

Instances/Examples (7)

Context	Record
Monument Type	MKE17880 Abbot's Cliff Sound Mirror (Building)
Monument Type	MKE3769 Acoustic Sound Mirrors at Greatstone-on-Sea, Lydd (Monument)
Monument Type	MKE16410 Early warning: accoustic mirror (post 1912) (Building)
Monument Type	MKE97846 Fan Bay Sound Mirrors (Monument)
Monument Type	MKE99200 First World War sound mirror, Binbury Manor (Monument)
Monument Type	MKE125633 First World War Sound Mirror, Hackemdown Point (Monument)
Monument Type	MKE4338 Hythe Sound Mirror (Monument)