WebJul 24, 2002 · Scheduled Monument: World War I Early Warning Acoustic Mirror 60M East Of Boulby Barns Farm. May include summary, reasons for designation and history. ... British experiments at the Royal Flying Corps research establishment at Farnborough tested parabolic sound reflectors of varying shapes and curvature, and led to the first … WebSound mirror, now incorporated within house. 1916, converted into house by late 1930s. Sound mirror built of reinforced concrete, the shuttered lifts to the exterior clearly visible. House has slate-clad stud walls and corrugated asbestos roof, with 2-window front and window inserted into left-side wall; extensions to rear and right.
British Acoustics Home World
http://www.andrewgrantham.co.uk/soundmirrors/locations/seaham/ Webacoustic mirror; Location: Selsey, Chichester, West Sussex, South East England, England, UK: Heritage designation: Grade II listed building (1999–) 50° 44′ 04.88″ N, 0° 46′ 39.21″ … golf shaft recommendations
The Sound Mirrors Project — Autogena / Portway
WebSound mirror, now incorporated within house. 1916, converted into house by late 1930s. Sound mirror built of reinforced concrete, the shuttered lifts to the exterior clearly visible. … WebStanding silent and abandoned, a series of isolated and mysterious concrete structures line the south east coast of England. Known locally as “listening ears”, these structures, more properly called acoustic mirrors, are vestiges from great inter-war acoustic experiments that took place in both England and France - early warning systems against the … WebApr 11, 2024 · The Sound Mirrors, also known as Acoustic Mirrors, Concrete Dishes, or Listening Ears, are large concrete structures designed as an early warning system for … golf shaft recommender