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PREFERRED TERM
SOUND MIRROR (20 FEET)  
BROADER CONCEPT
SCOPE NOTE
  • A concrete, circular concave dish 20 feet in diameter used as an acoustic listening device to detect approaching enemy aircraft.
ATTRIBUTION NAME
  • English Heritage
LICENSE
IDENTIFIER
  • http://purl.org/heritagedata/schemes/eh_tmt2/concepts/160255
DATE ISSUED
  • 7/17/13
PUBLISHER
URI
http://purl.org/heritagedata/schemes/eh_tmt2/concepts/160255
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