The Introduction of the Fresnel Lens into the USLHE

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    When:
    July 23, 2017 @ 3:00 pm – 5:00 pm America/New York Timezone
    2017-07-23T15:00:00-04:00
    2017-07-23T17:00:00-04:00
    Where:
    200 The Promenade at Lighthouse Point
    Staten Island, NY 10301
    United States

    The Introduction of the Fresnel Lens into the USLHE

    Sunday, July 23, 2017
    3:00 – 5:00 pm

    National Lighthouse Museum
    200 The Promenade at Lighthouse Point
    Staten Island, NY 10301

    “”The Fresnel lens was, arguably, the most important development of lighthouse technology, between the erection of the Pharos of Alexandria, and the introduction of electricity in 1875. If you’ve been to the museum at Navesink Twin Lights, you’ve seen the first Fresnel lens every used in the United States.

    James Risk, a doctoral candidate for his studies of the history of Fresnel lenses, will discuss the introduction of different kinds of lens technology in the United States and in other parts of the world.””

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    Admission is free for members and for guests $10. Light refreshments will be served.