Michael Rich has a slideshow of photos of Denge taken in April 2009.
Peter King photography’s Sound Mirrors Photos were taken on 13 July 2008, and Echoes In The Sky Dungeness & Sound Mirrors are from 19 August 2007.
Sound Mirrors
Acoustic early warning systems, spectacular remnants of a dead-end technology on the British coast
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A forerunner of radar, acoustic mirrors were built on the south and northeast coasts of England between about 1916 and the 1930s. The ‘listening ears’ were intended to provide early warning of incoming enemy aircraft.
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Sound mirrors
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- The forerunner of radar on Denge sound mirrors
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- Abbot’s Cliff Acoustic Mirror « GeoTopoi on Abbot’s Cliff sound mirror
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- Bombing the Channel Ports « Sound Mirrors on Abbot’s Cliff sound mirror
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