Filtres - 914/919 médias sélectionnés
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Trinity House Charter, Londres 1715
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Cross-section of a reflector
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Pyramid by Mathurin Crucy, 1809
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Elevation of a direction des Ponts et Chaussées
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The Cordouan lighthouse
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The Cordouan lighthouse
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The Black Prince's tower
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Architectural details of the Cordouan lighthouse
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repeating circle
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The Cordouan lighthouse
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Fresnel's optics test bench