Sound Mirrors

Acoustic early warning systems, spectacular remnants of a dead-end technology on the British coast

drone

Denge sound mirrors from a drone

Posted on 22 January 2018 by Andrew Grantham

Kent, UK. Between the World Wars, before the invention of radar, parabolic sound mirrors were used experimentally as early-warning devices by military air defence forces to detect incoming enemy aircraft by listening for the sound of their engines. #drone #dji pic.twitter.com/ncSkWVMcww

— Bryan Bruner (@Therobotarmy1) January 3, 2018

Posted in Sound mirrors Tagged Denge, drone Leave a comment

Drone films Denge sound mirrors

Posted on 13 July 201612 July 2016 by Andrew Grantham

Filming with a drone – The Dungeness Sound Mirrors. pic.twitter.com/Kc2zZ0CZJW

— Tim Paine (@TimPaine) June 25, 2016

CEMEX UK commissioned ECP Video to produce a short documentary on the history of the gravel pit at Dungeness, which is now an RSPB nature reserve.

Posted in Individual mirrors Tagged Denge, drone Leave a comment

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.

Sound mirrors on Twitter @ConcreteEar

Contact me

Follow me on Twitter @Andrew_Grantham

Sound mirrors

  • Early warning sound mirrors
  • News and updates
  • Sound mirror FAQ
  • Locations
    • Abbot’s Cliff
    • Boulby
    • Denge (Dungeness)
    • Fan Bay, Dover
    • Hartlepool
    • Hythe
    • Il Widna, Malta
    • Joss Gap
    • Kilnsea
    • Redcar
    • Romney Marsh
    • Seaham
    • Selsey
    • Sunderland
    • Warden Point
  • Other
    • Cherry Cobb Sands decoy
    • Kew, London
    • Royal Military Canal
    • Sonic marshmallows
  • About & disclaimer
  • Links

Latest updates

  • US ‘Sound Mirror’ art exhibition
  • Sound mirror made for the 2015 Royal Academy Summer Show
  • Sound mirror talk and exhibition in Ramsgate
  • Exploratorium sound mirrors
  • Kilnsea and Redcar

More information

  • Art and Music
  • Books and references
  • History
  • Individual mirrors
  • Links
  • Miscellaneous stuff
  • Sound mirrors
  • Technology
Tweets by @concreteear

RSS news feed

Subscribe to the sound mirrors RSS feed

Tags

419 Abbot's Cliff Alaska aviation Bass Communion BBC Blank & Jones book Boulby Cherry Cobb Sands concrete conservation decoy Denge Dover drone Dungeness English Heritage Fan Bay Gibraltar guided walk Hythe Joss Gap Kew Kilnsea Malta model music northeast mirrors Observer open day photos Redcar restoration RSPB Seaham Selsey sound mirror art Sunderland Syd Arthur The Prodigy Turin Brakes USA Warden Point Zeppelin

Flickr Group

www.flickr.com
items in Sound mirrors More in Sound mirrors pool

Archive

My other websites

  • Andrew Grantham
  • Hull & Barnsley Railway Stock Fund
  • Railways of Afghanistan
  • Railways of Iraq

© Andrew Grantham | Railways of Afghanistan | Railways of Iraq | The Granthams | Sound mirrors