…The history of deep sea diving is said to have begun in the early 1930s, when a deep sea sphere suspended from a mother ship in the United States recorded a maximum depth of about 900m. The first full-scale deep sea submersible was the FNRSII, built in 1948 by A. Piccard using a pressure sphere with a diameter of 2m. The French Navy's four-man FNRSIII, which was an improvement on the FNRSII, recorded a diving depth of 2100m in 1953 and 4050m the following year. In 1953, Italy built a deep sea vessel of the same model as the FNRSII, the Trieste, which later became the property of the US Navy. In 1960, Piccard's son J. Piccard set the world's deepest diving depth record of 10,916m in the Mariana Trench. … *Some of the terminology that mentions "FNRSIII" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 深海潜水の歴史は,1930年代初頭,アメリカにおいて母船からつり下げられた深海潜水球による潜降実験で最大深度約900mを記録したのが始まりといわれる。本格的な深海潜水艇としては,A.ピカールによって48年に建造された直径2mの耐圧球を使ったFNRSIIが最初であり,そして,同艇を改良したフランス海軍の4人乗りのFNRSIIIは53年に2100m,翌年4050mの潜航深度を記録した。53年にはイタリアでFNRSIIと同じ形式の深海艇トリエステTriesteが建造され,同艇は,その後,アメリカ海軍の所有となり,60年ピカールの息子であるJ.ピカールによりマリアナ海溝で潜航深度1万0916mの世界最深記録を樹立している。… ※「FNRSIII」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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