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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 Essex Reef Light ： ウィキペディア英語版 Essex Reef Light The Essex Reef Light or Essex Reef Post Light, also known as Hayden's Point Light, was a light in Essex, Connecticut on the Connecticut River. The wooden tower was erected in 1889 and replaced with a skeleton tower by 1919. The skeleton tower was further altered to an automatic gas light a few years prior to 1931. Two of the keepers, Gilbert B. Hayden and Bernie Hayden, relation unknown, were keepers of the light, but their service years are unknown. As of 2014, a skeleton tower serves as an active daymark and it has a green flash every 4 seconds. == Construction == The Essex Reef Light was constructed in 1889 as part of a $15,000 appropriation by Congress that included several other beacons. The exact cost of the structure is unknown. The light was a tall wooden hexagonal pyramidal tower with a black lantern that used a 6th order Fresnel lens.〔 The 1900 Light List gave its position as 41.2036 North and 72.2254 West. The hexagonal tower was accessible from a ladder directly by boat with no other landing. The foundation rests upon the river bottom and was a square crib that was made of yellow pine timbers and sheathed with planks that was filled with stones and protected by riprap. The crib extends up to the high water mark to a frustum of a square pyramid that is reduced to at its top and filled with stone. The sides and top are planked and the corners were covered with boiler plate and angle irons. The original light was a hexagonal beacon lantern made of brass and copper with a sixth order Fresnel lens. The oil for the light was stored in boxes in the lower portion of the lantern. 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「Essex Reef Light」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.