Digest>Archives> December 2005
Restoring a Lens
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>> Click to enlarge << Official U.S. Coast Guard photo by Petty Officer ... Photo by: Thomas McKenzie
Retired Machinery Technician Chief Petty Officer
Nick Johnston painstakingly restores a 375-millimeter Fresnel lens at the United States Coast Guard Aids to Navigation office in Juneau, Alaska. The origin of the lens is unknown.
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