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Bathyscaphe X- the prototype ( made in Italy) went down over two miles on depth trials prior to l953 when the Trieste (I) was launched. the Trieste went to the bottom of the Marianas Trench- over 35,000 Feet down inthe Pacific, this is still a record for a manned submarine vessel. Yes, as it has a rudder and props a Bathyscaphe is considered to be a form of Submarine vessel, and the Funk and Wagnalls article clearly states so. The entire upper hull is used for Ballast tanks and they have both regular ballast and what is called anti-ballast to maintain depth the latter usually being aviation gasoline but in more modern ones Acetylene in Red bottles is used for anti-ballast (maintain buoyancy at depth) anti-ballast is not , in any circumstances, vented to sea- a catastrophic fire hazard with either gasoline or acetylene though the latter fluid is somewhat safer to handle. Familiar to welders it is treated with respect in its red bottles. so take the plunge, if you dare. Both the Bathyscaphe X of l947 and the Trieste I were largely- Made In Italy- pride runs deep as do still waters.

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16y ago

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