File:Concave mirror, Scottish Lighthouse Museum - geograph.org.uk - 562674.jpg
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Original file (480 × 640 pixels, file size: 63 KB, MIME type: image/jpeg)
Captions
Captions
Concave mirror, Scottish Lighthouse Museum
Summary
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| Description |
English: Concave mirror, Scottish Lighthouse Museum. The photo shows the reflected enlarged image of the lamp, seen above the smaller direct view of the lamp. The concave mirror is used to concentrate the light into a horizontal beam. It is not as efficient as the fresnel lens like 562670 used formerly with paraffin lamps, but doesn't have to be because the electric lamp is more powerful. |
| Date | |
| Source | From geograph.org.uk |
| Author | David Hawgood |
| Attribution (required by the license) | David Hawgood / Concave mirror, Scottish Lighthouse Museum / |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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| Object location | | View this and other nearby images on: OpenStreetMap | |
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Licensing
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This image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by David Hawgood and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
Attribution: David Hawgood
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:10, 6 February 2011 | | 480 × 640 (63 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Concave mirror, Scottish Lighthouse Museum The photo shows the reflected enlarged image of the lamp, seen above the smaller direct view of the lamp. The concave mirror is used to concentrate the lig |
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