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The Diving BellThe diving bell was an early diving submersible used for underwater exploration, sponge fishing, and salvaging sunken cargo. It consisted of a bottomless chamber connected to a compressed-air hose that would both refresh the air inside the chamber and maintain enough pressure to keep water from filling it as it descended. In the 16th century, inventor Guglielmo de Lorena created and used what is considered the first modern diving bell. What 4th-century philosopher first described such a device? More...
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The Diving Bell The diving bell was an early diving submersible used for underwater exploration, sponge fishing, and salvaging sunken cargo. It consisted of a bottomless chamber connected to a compressed-air hose that would both refresh the air inside the chamber and maintain enough pressure to keep water from filling it as it descended. In the 16th century, inventor Guglielmo de Lorena created and used what is considered the first modern diving bell.
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Diving bells are used as underwater search vessels and by working divers doing underwater work and salvage. The bell is lowered into the water by cables from a crane attached to a ship or dock. The bell is ballasted so as to remain upright in the water and to be negatively buoyant so that it sinks even when full of air.
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