File:WW1AcousticMirrorKilnsea(PaulGlazzard)Jan2007.jpg

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WW1AcousticMirrorKilnsea(PaulGlazzard)Jan2007.jpg ‎(640 × 480 pixels, file size: 51 KB, MIME type: image/jpeg)

Summary

WW1 Acoustic Mirror, <a href="https://en.wikipedia.org/wiki/Kilnsea" class="extiw" title="en:Kilnsea">Kilnsea</a>, <a href="https://en.wikipedia.org/wiki/East_Riding_of_Yorkshire" class="extiw" title="en:East Riding of Yorkshire">East Riding of Yorkshire</a>, England.


Rare 4.5 metre high concrete structure near Kilnsea Grange, northwest of Godwin Battery, a relic of the First World War. On the pipe in front of the acoustic mirror was a trumpet-shaped ‘collector head’, a microphone which could pick up the reflected engine sound of Zeppelins approaching from the sea. Wires passed down the pipe to a listener seated in a trench nearby with a stethoscope headset, who would try to determine the distance and bearing of any enemy airships.

Licensing

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File history

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Date/TimeThumbnailDimensionsUserComment
current08:04, 3 January 2017Thumbnail for version as of 08:04, 3 January 2017640 × 480 (51 KB)127.0.0.1 (talk)WW1 Acoustic Mirror, <a href="https://en.wikipedia.org/wiki/Kilnsea" class="extiw" title="en:Kilnsea">Kilnsea</a>, <a href="https://en.wikipedia.org/wiki/East_Riding_of_Yorkshire" class="extiw" title="en:East Riding of Yorkshire">East Riding of Yorkshire</a>, England. <p><br></p> Rare 4.5 metre high concrete structure near Kilnsea Grange, northwest of Godwin Battery, a relic of the First World War. On the pipe in front of the acoustic mirror was a trumpet-shaped ‘collector head’, a microphone which could pick up the reflected engine sound of Zeppelins approaching from the sea. Wires passed down the pipe to a listener seated in a trench nearby with a stethoscope headset, who would try to determine the distance and bearing of any enemy airships.
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