Neutral Robern Mirror Cabinet
Spectacular remnants of a dead-end technology, the three concrete 'listening ears' at Denge near Dungeness in Kent are the best known of the various early . An acoustic mirror is a passive device used to reflect and focus (concentrate) sound waves. reference NZ38945960); Warden Point, Isle of Sheppey, Kent – the Warden Point mirror, sited on a cliff-top, fell onto the beach below ca 1978-9. 9 thg 8, 2017 - These massive concrete structures that dot the coast of Souther England have a brief but fascinating history. The Sound Mirrors, also known as Acoustic Mirrors, Concrete Dishes or Listening Ears, are large . They worked best at a range of between eight and 24 miles. Denge Sound Mirrors: Interesting and worth a look! . the three early warning acoustic mirrors at Denge located in Greatstone, Kent are the best known and most . A brief history of the Sound Mirrors at Fan Bay on the iconic White Cliffs of Dover in Kent. 11 thg 12, 2018 - In 1935, the Scottish physicist Sir Rober...