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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Unmanned reef lights of the Florida Keys ： ウィキペディア英語版 Unmanned reef lights of the Florida Keys The unmanned reef lights of the Florida Keys were erected between 1921 and 1935. As they were marking local hazards, they did not need to be visible for as far as the reef lights that were erected during the 19th century. By the time these lights were erected, older lighthouses were being automated, and these new lights were designed to be automated from the start. The lights resembled the older reef lights in having a skeletal pyramidal upper structure on screw-pile foundations. They all originally had lanterns on their peaks, so that they looked like smaller versions of the older reef lights, but had no keeper's quarters. ==1921 Design== The first two unmanned lights in the Florida Keys, the Molasses Reef Light and the Pacific Reef Light, were built to the same plan in 1921. 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「Unmanned reef lights of the Florida Keys」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.