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"Mr. Lighthouse" Ken Black explains lens from Baker's Island Lighthouse

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Uploaded by on Jan 8, 2011

In this clip, circa 1989, Ken Black, director of the Shore Village Museum in Rockland, Maine, explains a fourth-order Fresnel lens that had been removed from Baker's Island Lighthouse in Salem, Massachusetts. The collection of the Shore Village Museum is now in the larger Maine Lighthouse Museum in Rockland.

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Science & Technology

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