Category:Clamshell Fresnel lenses
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English: Bivalve Fresnel lenses
Subcategories
This category has only the following subcategory.
P
- Point Arena Lighthouse lenses (12 F)
Media in category "Clamshell Fresnel lenses"
The following 28 files are in this category, out of 28 total.
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A first order Fresnel lens (8749610639).jpg 1,024 × 681; 135 KB
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Cape Agulhas, South Africa (3226078906).jpg 2,000 × 3,008; 2.33 MB
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Choshi Inubosaki Museum 2013-09A.JPG 6,016 × 4,000; 5.41 MB
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Clare Island Lighthouse Optic at The World of Glass.jpg 480 × 640; 291 KB
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Farol de Montedor (51).jpg 5,472 × 3,648; 6.2 MB
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Fresnel Lens (3478880479).jpg 2,592 × 3,872; 5.33 MB
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Fresnel Lens - Cape Agulhas Lighthouse - South Africa (13635297825).jpg 3,463 × 2,736; 4.17 MB
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Fresnel Lens - Cape Agulhas Lighthouse - South Africa (13635313663).jpg 3,648 × 2,736; 4.39 MB
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Fresnel Lens front view.jpg 3,008 × 2,000; 1.44 MB
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Fresnel Lens side view.jpg 3,008 × 2,000; 1.46 MB
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Fresnel lens system of Bengtskar lighthouse.jpg 1,944 × 2,592; 2.26 MB
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Fresnel linsen i Helnes fyr.tif 2,232 × 3,435; 21.97 MB
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Fyrlinse Skagen Fyr.JPG 1,704 × 2,272; 894 KB
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Giant lens (9016477049).jpg 3,280 × 4,573; 7.3 MB
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InubosakiLighthouseFirstLens.JPG 3,000 × 4,000; 5.4 MB
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Kullen light system1.png 380 × 717; 55 KB
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Kullen-linsapparat.jpg 322 × 460; 157 KB
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Lighthouse lantern (Wonder Book of Engineering Wonders, 1931).jpg 1,046 × 1,411; 554 KB
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Lighthouse Lantern - geograph.org.uk - 590553.jpg 480 × 640; 105 KB
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Mihonoseki Lighthouse LB90.jpg 2,500 × 3,390; 3.79 MB
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Norah Head Lighthouse, lens closeup.jpg 2,022 × 2,099; 1.71 MB
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Old lighthouse lamp.jpg 360 × 270; 76 KB
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Phare de la Pointe Saint-Mathieu (lighthouse) (14845794145).jpg 4,526 × 3,327; 7.8 MB
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Point Cabrillo Light - Fritzcat 10.jpg 5,472 × 3,648; 7.8 MB
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Ponce de Leon Inlet Light Station 12.JPG 1,536 × 2,048; 735 KB
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The Baily Optic (7479345672).jpg 4,000 × 3,581; 7.47 MB
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Toledo Harbor Lighthouse Fresnel lens.JPG 2,448 × 3,264; 3.52 MB