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File:Elizabeth Donkin Lighthouse Lens.jpg

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English: Fourth order Fresnel lense in situ in the Elizabeth Donkin lighthouse, Port Elizabeth, South Africa. The lighthouse was built in 1903 replacing an earlier wooden structure and decommissioned in 1973.[1] The lighthouse balcony is 21.6 m above ground level and 75.6 m about sea level. The glasses on the lower support give an indication of the size of the lens.
This media shows a South African Protected Site with SAHRA file reference 9/2/073/0005.
Date
Source Own work
Author Martinvl
Camera location33° 57′ 44.28″ S, 25° 37′ 14.16″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

Reference

  1. ↑ Elizabeth Donkin Lighthouse, Lighthouse fans

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This image has been assessed under the valued image criteria and is considered the most valued image on Commons within the scope: Fresnel Lens, Elizabeth Donkin Lighthouse, Port Elizabeth, South Africa. You can see its nomination here.

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Date/TimeThumbnailDimensionsUserComment
current15:15, 10 February 2016Thumbnail for version as of 15:15, 10 February 20163,456 × 5,184 (6.94 MB)Martinvl (talk | contribs)Tuned colouring
14:42, 10 February 2016Thumbnail for version as of 14:42, 10 February 20163,456 × 5,184 (6 MB)Martinvl (talk | contribs)User created page with UploadWizard

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