拉丁頓燈塔

拉丁頓燈塔(Ludington Light)一個57英尺(17米)高的大鋼鍍燈塔,位於美國密西根州拉丁頓

Ludington Light
Ludington Light
位置密西根州拉丁頓
坐标43°57′13″N 86°28′10″W
啟用年份1924年
自動化年份1972年
停用年份N/A
塔基Pier
構造鋼 / 钢筋混凝土
塔形Square Pyramidal
標識white with black lantern
塔高Tower - 57英尺(17)
焦距17米(56英尺) 编辑维基数据
初始燈器fifth order Fresnel Lens
目前燈器300 mm Tideland Signal Acrylic Optic
光度5000 candles
光程15英里(24)
燈號頻率Iso G 6s 55
霧笛信號HORN: 2 blasts ev 30s (2s bl-2s si-2s bl-24s si). Operates from Apr. 1 to Oct. 1.[1]
ARLHS編號USA-460
USCG編號7-18530
Ludington North Breakwater Light
拉丁頓燈塔在密西根州的位置
拉丁頓燈塔
在密西根州的位置
地点密西根州拉丁頓
NRHP编号05000982[2]
NRHP收录2005年9月6日
遺產National Register of Historic Places listed place 编辑维基数据

拉丁頓燈塔位於密西根湖東岸,拉丁頓燈塔位佩爾馬凱特港於防波堤上。因為佩爾馬凱特河與密歇根湖的北防波堤,拉丁頓燈塔有時也被稱為拉丁頓北防波堤燈塔。拉丁頓燈塔本身是一個船頭狀結構,其目的是打破波浪

拉丁頓燈塔於1871年成立。拉丁頓燈塔於1924年開始運作。拉丁頓燈塔在1972年自動化。拉丁頓燈塔融入輕鋼結構和鋼筋混凝土。拉丁頓燈塔有一個方形錐體的形式,為白色與黑色的建築。拉丁頓燈塔原來的鏡頭是四階菲涅耳透鏡,菲涅耳透鏡於1995年10月17日被移除,由海塗信號300毫米亞克力光纖取代[3]

參考

  1. (PDF). Light List. United States Coast Guard.
  2. . National Register of Historic Places. National Park Service. 2009-03-13 [2013-10-19]. (原始内容存档于2008-07-25).
  3. . [2013-10-19]. (原始内容存档于2011-02-26).

文獻

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  • Noble, Dennis, Lighthouses & Keepers: U. S. Lighthouse Service and Its Legacy (Annapolis: U. S. Naval Institute Press, 1997). ISBN 1-55750-638-8; ISBN 978-1-55750-638-2.
  • Oleszewski, Wes, Great Lakes Lighthouses, American and Canadian: A Comprehensive Directory/Guide to Great Lakes Lighthouses, (Gwinn, Michigan: Avery Color Studios, Inc., 1998) ISBN 0-932212-98-0.
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  • Pepper, Terry. . [2013-10-19]. (原始内容存档于2008-01-30).
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  • United States Coast Guard, Aids to Navigation, (Washington, DC: U. S. Government Printing Office, 1945).
  • Scott T. Price. . United States Coast Guard Historian's Office.
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  • Wagner, John L., Michigan Lighthouses: An Aerial Photographic Perspective, (East Lansing, Michigan: John L. Wagner, 1998) ISBN 1-880311-01-1 ISBN 9781880311011.
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