Digest>Jul/Aug 2016
Photo By:
Debra Baldwin
Photo Caption:
Performing regular maintenance of the optic in the Cape Disappointment Lighthouse is Damage Controlman 1st Class Jason Billings, USCG. The glass 4th order Fresnel lens is no longer used, having been replaced by the modern optic. Back to the edition of: Jul/Aug 2016
Story:
Servicing Cape Disappointment Lighthouse
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