| 11. | At 1 : 30 Preble raised his signal flag to begin the attack on Tripoli.
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| 12. | In open warfare, visual signalling ( employing signal flags and the heliograph ) was the norm.
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| 13. | As they approached Canrobert's Hill, two signal flags were observed, signifying the approach of the Russians.
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| 14. | The drums would beat and the signal flags wave, telling the lancers to begin their charge.
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| 15. | Shortly after the fog lifted, the crew sighted the destroyer and signalled her with signal flags.
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| 16. | Just then the " Manawatu " came into sight, saw them and hoisted a signal flag.
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| 17. | Cao Cao was very impressed with Zhang Liao and he passed him his personal signal flag.
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| 18. | Maybe a set of those insulated Mount Gay tumblers with marine signal flags emblazoned on the sides?
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| 19. | This code assigned the digits 0 to 9 to ten signal flags, which were used in combination.
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| 20. | Additionally, the Imperial Lighthouse Service issued a set of signal flags to all lighthouses in the Bahamas.
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