fresnel lens

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21st century (1)
- 2010s (1)
20th century (1)
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2 results found

Skokholm - Lighthouse - pair of Fresnel lenses on 17-04-2012

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Uploaded by Skokholm Archives
Skokholm - Lighthouse - Fresnel lens/light and red screen in 1997

Type Item

Uploaded by Skokholm Archives