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Berthon Boats are collapsible lifeboats used in the late 19th and early 20th centuries. They have double linings of canvas, sectioned in two watertight envelopes that assist buoyancy and give protection from the possibility that the outer canvas could be accidentally torn. In addition, the deck can double as a liferaft due to its support by four long air tanks. ==History== When, on the 18 June 1850, the SS ''Orion'' was wrecked off Portpatrick, the Reverend Clark, a survivor, wrote to the Reverend Edward Lyon Berthon: “Can not you think of a way in which boats, enough for all on board, be stowed on a passenger steamer without inconvenience?”. This led to Berthon's development of the Berthon Collapsible Lifeboat.〔(【引用サイトリンク】url=http://www.berthon.co.uk/about-berthon/berthon-history/ )〕 When the boat was demonstrated to Queen Victoria, the Prince Consort, the Princess Royal and the Prince of Wales, the latter commented that a cannonball would go through it easily. Berthon asked him what a cannonball would not go through, and the Queen was reported to have been greatly amused.〔 The Prince Consort commended it to the Royal Navy, but the Admiralty complained there was nowhere to mount a gun. Nonetheless, the Royal Navy accepted a perfected design in 1873.〔 After the sinking of the ''Titanic'' in 1912, the White Star Line’s owner, J. Bruce Ismay, required that every passenger boat under his control would thereafter be fitted with sufficient lifeboats for all passengers. In his speech at the close of the British Wreck Commissioner’s inquiry into the sinking of the RMS ''Titanic'', the Attorney General called for more life saving devices at sea, including lifeboats, and regulations that would ‘apply to the vessels of all countries’ to enforce this request. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Berthon Boat」の詳細全文を読む スポンサード リンク
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