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Lighting the Way: The Frensel Light | Ohio Sea Grant

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Lighting the Way: The Frensel Light

OHSU-SLC-1864: Lighting the Way: The Frensel Light

Published: Sep 23, 2020
Last Modified: Jun 23, 2021
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Abstract

This South Bass Island Lighthouse panel describes how it lit the way—with originally a ten-sided, fourth-order Fresnel lens.