They attempted the expedition in the Bathyscaphe Trieste, a submersible specifically designed to withstand the tremendous pressure they would encounter. Don Walsh spoke to Witness History about ...
Piccard and his son Jacques later designed and built a new bathyscaph, the Trieste. In 1953, they descended in it to a depth of 10,330 feet in the Mediterranean. The Piccards sold the Trieste to ...
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