Roundel
A roundel is a circular disc used as a symbol. The term is used in heraldry, but also for a type of national insignia used on military aircraft, generally circular and usually comprising concentric rings of different colours.
A roundel is a circular disc used as a symbol. The term is used in heraldry, but also for a type of national insignia used on military aircraft, generally circular and usually comprising concentric rings of different colours.
A roundel is a circular disc used as a symbol. The term is used in heraldry, but also for a type of national insignia used on military aircraft, generally circular and usually comprising concentric rings of different colours.
Source: Wikipedia "Roundel" · CC BY-SA 4.0
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