Our Past History has a detailed article on sound mirrors, and another page covering the ruins of the mirror, pillboxes and other military remains at Warden’s Bay on the Isle of Sheppey in Kent.
Acoustic early warning systems, spectacular remnants of a dead-end technology on the British coast
Our Past History has a detailed article on sound mirrors, and another page covering the ruins of the mirror, pillboxes and other military remains at Warden’s Bay on the Isle of Sheppey in Kent.