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Lentilles de Fresnel
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Laurent LbbR
Laurent LbbR
Le phare de Gatteville guide les navires pour le passage du raz de Barfleur. Il est équipé de lampes au xénon et de 2 lentilles de Fresnel émettant un faisceau lumineux ayant une portée de 29 milles soit 54 km. Son code lumineux : 2 éclats blancs toutes les 10 secondes
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