File:Altazamuth Stone on Peter Street in Knightstown - geograph.org.uk - 426470.jpg
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| Description |
English: Altazamuth Stone on Peter Street in Knightstown This stone marks the location of the altazimuth instrument that precisely determined the longitude of Knightstown in the Summer of 1862. The measurement was part of a campaign to accurately determine the longitude of multiple locations along the 52nd parallel from Valentia to Omsk, Siberia. Telegraph equipment was connected to the nearby telegraph office to synchronize the timing of astronomical observations at this location with simultaneous observations by the Royal Observatory in Greenwich. |
| Date | |
| Source | From geograph.org.uk |
| Author | Frank Donovan |
| Attribution (required by the license) | Frank Donovan / Altazamuth Stone on Peter Street in Knightstown / |
| 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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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 Frank Donovan 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: Frank Donovan
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:41, 4 February 2011 | | 640 × 480 (123 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Altazamuth Stone on Peter Street in Knightstown This stone marks the location of the altazimuth instrument that precisely determined the longitude of Knightstown in the Summer of 1862. The measureme |
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