Thesaurus Term/Concept: SIGNAL SQUARE
Identifier | 140791 |
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Class | DEFENCE OF BRITAIN |
Status | Preferred |
Index? | Yes |
Scope Note | A signalling structure used on WWII airfields, comprising a concrete square base with a kerbed border into which concrete signal symbols could be placed to advise pilots in the air of current airfield state e.g. directions of landing and airfield circuit. |