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acoustic mirror · Vinony

EntityQ444789· pop 8· linked from 44 articles

acoustic mirror

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technology for detecting incoming enemy aircraft, used before radar was developed

Connections

Jodrell Bank Observatory

International Standard Book Number

English Channel

Wayback Machine

interwar period

Categories

Acoustics Anti-aircraft warfare Warning systems

Sources

wikipedia.externallinksexternallink

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What links here44 pages

Invaders Must Die

Baħar iċ-Ċagħaq

Royal Military Canal

Chain Home radar system

whispering gallery

Robert Brooke-Popham

parabolic microphone

specular reflection