Navesink Twin Lights was the first American lighthouse to test a Fresnel lens and was also the site of a demonstration by Marconi of the wireless telegraph in 1899. Before, the hill was used as a part of the line of wooden beam semaphores from the Sandy Hook Lighthouse to Wall Street.
Now, the Navesink Twin Lights is a non-operational lighthouse and museum.
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Address: Monmouth, United States
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Source: GRS1077 at English Wikipedia
Copyright: Public domain
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Source: GRS1077 at English Wikipedia
Copyright: Public domain
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