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Pladda Lighthouse : ウィキペディア英語版 | Pladda Lighthouse
Pladda Lighthouse and its ancillary buildings stand at the southern end of Pladda. The lighthouse dates from 1790 and was designed by Thomas Smith. It was the first light on the Clyde to be commissioned by the Commissioners of the Northern Lights. It had both an upper and a lower light to distinguish it from the three other lighthouses in the Firth of Clyde. In 1876 Pladda was about the third station to have a foghorn. The 'double lights' were replaced by a powerful flashing system in 1901. Lightkeepers were withdrawn in 1990 when the lighthouse was automated; it is now remotely monitored from the Northern Lighthouse Boards Headquarters in Edinburgh. The lighthouse tower is in height; there are 128 steps to the top. Under normal conditions, its light (3 white flashes every 30 seconds) is visible for . Pladda and its lighthouse feature extensively in Peter Hill's book ''Stargazing: Memoirs of a Young Lighthouse Keeper''. ==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「Pladda Lighthouse」の詳細全文を読む
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