File:Split Rock Lighthouse The Beautiful Lens (2890822697).jpg
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Size of this preview: 800 × 534 pixels. Other resolutions: 320 × 213 pixels | 640 × 427 pixels | 1,024 × 683 pixels | 1,280 × 854 pixels | 2,823 × 1,883 pixels.
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| Description |
Split Rock Lighthouse was equipped with a 3rd order, bi-valve type Fresnel lens that was manufactured by Barbier, Bernard and Turenne Company in Paris, France. It is a combination of glass prisms and a brass framework. Although extremely heavy, the lens floats on a bearing surface of liquid mercury. This magnificent lens is almost 100 years old and is the original lens. This photo shows a close-up of one of the bulls-eye panels that focuses the light into an extremely strong beam. You are looking up at the outside of the lens. |
| Date | |
| Source | Split Rock Lighthouse: The Beautiful Lens |
| Author | Pete Markham from Loretto, USA |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
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- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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This image was originally posted to Flickr by pmarkham at https://flickr.com/photos/9197427@N06/2890822697. It was reviewed on 9 November 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:05, 9 November 2020 | | 2,823 × 1,883 (1.43 MB) | JotaCartas (talk | contribs) | Transferred from Flickr via #flickr2commons |
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