News
Spiegel.de: Listening for the Enemy: Giant Ears on the British Coast - SPIEGEL...
The enormous concrete shells are as tall as a house, and they were designed to listen for enemy aircraft in the 1920s and 30s. Pre-World War II acoustic...
Spiegel.de: Vergessene Technologien - SPIEGEL ONLINE
Mit haushohen Stahlbetonschalen lauschten die Briten in den Zwanziger- und Dreißigerjahren nach feindlichen Flugzeugen. Die Akustik-Experimente entlang der...
Resident anger at chopped down tree | The Bolton Newswww.theboltonnews.co.uk › news › resident-anger-choppe...
www.theboltonnews.co.uk
William Barry Sansome and his wife Patricia, both in their 70s, have ... POST MATCH REACTION: Keith Hill reveals triple injury blow for Bolton.
The concrete blocks that once protected Britain - BBC News
www.bbc.com
Invented by Maj William Sansome Tucker and known as sound mirrors, their development continued until the mid-1930s, when radar made ...
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