The Light, Skokholm Lighthouse, showing the 'Fresnel Lens' design
The Light, Skokholm Lighthouse, showing the 'Fresnel Lens' design
Disgrifiadau
The Light, Skokholm Lighthouse, showing the 'Fresnel Lens' design. This optical configuration saves weight and avoids overheating problems. (kbr00014.jpg)
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Cysylltwch â Ni
I wneud cais i dynnu i lawr neu riportio cynnwys hiliol, sarhaus neu niweidiol mewn unrhyw ffordd arall.
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