| 21. | Several days later, the South Korean coast guard allowed the use of the diving bell.
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| 22. | The crew waited 23 hours before a Navy tugboat arrived carrying a nine-ton diving bell.
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| 23. | "We don't want people sleeping in diving bells ."
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| 24. | In 1616, Franz Kessler built an improved diving bell.
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| 25. | This design replaced earlier concepts that depicted the Gungan vessel as an organic-looking diving bell.
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| 26. | Alexander the Great took a dive in a kind of diving bell in 330 BC.
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| 27. | Modern deep-diving submarines derive from the bathyscaphe, which in turn evolved from the diving bell.
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| 28. | The diving bell is used to transfer divers from the system to the work site.
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| 29. | I'll plump for The Diving Bell and the Butterfly.
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| 30. | Females, however, spend the majority of their lives inside their diving bells; they ambush their prey.
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