Skokholm - Lighthouse - Fresnel lens/light and red screen in 1997 Math Eitemau Uwchlwytho gan Skokholm Archives
Skokholm - David Saunders and others near the Lighthouse in 1997 Math Eitemau Uwchlwytho gan Skokholm Archives
Skokholm - Jean Donovan in the sea-watching hide in 1989 Math Eitemau Uwchlwytho gan Skokholm Archives
The Light, Skokholm Lighthouse, showing the 'Fresnel Lens' design and red filter Math Eitemau Uwchlwytho gan Skokholm Archives
The Light, Skokholm Lighthouse, showing the 'Fresnel Lens' design and red filter Math Eitemau Uwchlwytho gan Skokholm Archives
TRWYN-DU LIGHTHOUSE;BLACK POINT LIGHTHOUSE Math Eitemau Uwchlwytho gan Comisiwn Brenhinol Henebion Cymru
TRWYN-DU LIGHTHOUSE;BLACK POINT LIGHTHOUSE Math Eitemau Uwchlwytho gan Comisiwn Brenhinol Henebion Cymru
ELIANUS POINT LIGHTHOUSE;POINT LYNAS LIGHTHOUSE;LYNAS HEAD LIGHTHOUSE, LLANEILIAN Math Eitemau Uwchlwytho gan Comisiwn Brenhinol Henebion Cymru
