| 1. | A distinctive architectural feature of the TARDIS interior is the roundel.
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| 2. | The seven stained glass roundels are of 16th century Flemish origin.
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| 3. | At the same time, the current IAF roundel was adopted.
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| 4. | He also redesigned the famous roundel symbol used throughout the system.
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| 5. | The London Overground also uses a variant of the TfL roundel.
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| 6. | The Planes show the Chakra roundels of the early IAF planes.
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| 7. | In addition it was painted with RAF roundels and tail stripes.
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| 8. | Above them is a single roundel window in the center gable.
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| 9. | Alternatively, a national flag or a roundel may be used.
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| 10. | On burnished gold roundels set into the woodwork were two Arabic letters.
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