File:Cordouan6.jpg
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Size of this preview: 400 × 599 pixels. Other resolutions: 160 × 240 pixels | 601 × 900 pixels.
Original file (601 × 900 pixels, file size: 197 KB, MIME type: image/jpeg)
Summary
| Description |
English: In 1854, Fresnel’s first lens was removed and a ... 1st order lens wasinstalled. That lens is still in use today.
Français : Détail du système lenticulaire de Fresnel du phare de Cordouan. |
| Date | |
| Source | Own work |
| Author | Thibault Grouas |
| Permission (Reusing this file) |
GPL |
Licensing
|
This work is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or any later version. This work is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose. See version 2 and version 3 of the GNU General Public License for more details. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:50, 3 November 2006 | | 601 × 900 (197 KB) | wikimediacommons>Thibsweb | {{Information |Description=Détail du système lenticulaire à Fresnel du phare de Cordouan |Source=oeuvre personelle |Date=17-08-2005 |Author=Thibault Grouas |Permission=GPL |other_versions=none }} |
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