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Ushenish Lighthouse : ウィキペディア英語版 | Ushenish Lighthouse
Ushenish Lighthouse was designed by engineers, David and Thomas Stevenson. Established in 1857, it incorporated a new 'condensing' apparatus developed by Thomas Stevenson as an improvement to the dioptric system. The lighthouse was automated in 1970, one of the first major automatic lights. The gas-operated Dalen beacon was monitored from Neist Point Lighthouse, on Skye.〔(【引用サイトリンク】 title=South Uist, Ushenish Lighthouse )〕 ==Notes==
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「Ushenish Lighthouse」の詳細全文を読む
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