Digest>Jul/Aug 2016

Photo Caption:

This very old photo from the late 1800s clearly shows the large 2nd order Fresnel lens in the lantern of Maine’s Monhegan Island Lighthouse. (Lighthouse Digest archives.)
Back to the edition of: Jul/Aug 2016


The Loss of the Monhegan Island Lighthouse Lens
Back to the edition of: Jul/Aug 2016

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