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Algoma Light : ウィキペディア英語版 | Algoma Light
The Algoma Light or Algoma Pierhead Light is a lighthouse located near Algoma in Kewaunee County, Wisconsin. The lighthouse was first established in 1893 as a set of range lights. It was rebuilt in 1908 at which time it was a conical tower built of steel plate, in diameter at the base and in diameter at the parapet. It stood high.〔 In 1932, it was modified again and the entire structure was raised to a height of by placing the older tower on a new steel base in diameter, that increased the focal height to forty-two feet.〔 The station was automated in 1973.〔 It is listed as number 20975 in the USCG light lists. == History == The lighthouse was first established in 1893 as a set of range lights. In 1895, a fifth-order lens replaced the original lantern; increasing the effective range of the light to 11 miles.〔〔 In 1907, with the keeper's accommodations still unbuilt, the wooden tower was in a significant state of distress and the decision was made to replace the tower.〔 It was rebuilt in 1908.〔 It stood high. The original lens has been replaced by a plastic lens.
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「Algoma Light」の詳細全文を読む
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