Once part of an enemy aircraft detection system, the sound mirror in Redcar can now easily be passed by without notice. Those who stop to see it, though, will find a long-standing relic of World War I. Originally invented by Major William Sansome Tucker, sound mirrors were designed to alert locals to the incoming wave of enemy forces by air. This particular one, also known as Redcar’s Concrete Ear, was constructed in 1916 by British Royal Engineers. It stands a little under 3 meters in height. The ear’s concave “mirror surface”…
