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Coast Guard aims to replace historic Fresnel lens in Cape Hatteras lighthouse with LED

Coast Guard electrician James Harper flipped the switch on one of the most famous lights in America.


Two metal drums on each end of a platform began to turn and the bulbs inside them flashed as they do at night, beaming across the Atlantic Ocean.


https://pilotonline.com/news/local/article_62cc455a-70a9-11e8-b76b-1b5d10da3a5b.html

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