Tee designed for use at airports for indicating to approaching aircraft, direction in which it is required to land; by means of electric transmission system landing Tee can be set to indicate direction of prevailing wind; neon lighting elements are fitted so as to make it visible at night.
Landing Tee for airports
Asea J
ASEA Journal ; 23 , n 12
1950
50 pages
Article (Journal)
English
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