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First order fresnel lens by pandorasecho
Photo 1946

First order fresnel lens

From the most expensive lighthouse ever built. St. George reef light.

https://en.wikipedia.org/wiki/St._George_Reef_Light
20th May 2023 20th May 23

Dixie Goode

ace
@pandorasecho
I began here on August 6, 2011 after being invited on a postcard I received from Mrs.Smith in postcrossing project. I have been fortunate to...
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Dawn ace
How interesting
May 20th, 2023  
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