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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 Chester Rock Light ： ウィキペディア英語版 Chester Rock Light Chester Rock Light was a light in Chester, Connecticut on the Connecticut River. It was built in 1889 as part of a $15,000 appropriation by the United States Congress. The 21-foot (6.4 meter) tall wooden hexagonal pyramidal tower had a black lantern with a 6th order Fresnel lens. The light was first lit on July 1, 1889. The tower was replaced in 1912 by a skeleton tower that was subsequently modified in 1927. Records do not show the deactivation or destruction of the light, but it was believed to have been removed in the 1930s. In the 1990s, the Deep River Historical Society of Deep River, Connecticut wanted to build a replica of the structure for use as a daymark. == Construction == The Chester Rock 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. Originally constructed as a 21-foot (6.4 meter) tall wooden hexagonal pyramidal tower, the Chester Rock Light had a black lantern with a 6th order Fresnel lens.〔 First lit on July 1, 1889 with a fixed red light the light was changed to a fixed white light on December 15, 1892.〔 According to the ''Light List'', the light was located on Chester Rock on the west side of the Connecticut River and about north of Deep River, Connecticut.〔 A Lighthouse Inspection Report from the United States Lighthouse Society from December 1889 states that the hexagonal tower was only accessible by boat. The light's foundation rested upon the river bottom and was a 15-foot (4.6 meter) square crib that was made of yellow pine timbers and sheathed with planks. The crib was filled with stones and protected by riprap. The crib extended 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. 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「Chester Rock 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.