New system, known as Audio, indicates to aircraft pilot through his earphones, whether his speed is correct without interfering with voice reception for which earphones are primarily intended; developed by Royal Air Force Institute of Aviation Medicine and Royal Aircraft Establishment mainly for use with mirror deck landing aid; made by Kelvin and Hughes. (See also Engineer v 180 n 4673 Aug 19 1955 p 250-1)
Ears can assist eyes to increase operators' ability
Engineering
Engineering ; 179 , n 4651
1955
Article (Journal)
English
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Ears can assist eyes to increase operators' ability
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