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- the french navy has built an abyssal bathyscaphe to take three men to the floor of the marianas trench
- 1960 _ The bathyscaphe Trieste descends nearly seven miles in the Mariana
- Dr . Auguste Piccard also invented a deep diving submersible called the Bathyscaphe.
- He was a scientist and he invented the bathyscaphe.
- The bathyscaphe was named after the Belgian bathyscaphe " Trieste ".