File:Royal Observatory, Greenwich 2010 PD 05.JPG
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Deutsch: Royal Observatory, Greenwich
English: The Dolphin Sundial: Designed by Christopher St. J. H. Daniel; bronze sculpture by Edwin Russel FRBS – The gnomon, or pointer, of the sundial is formed by the tips of the two dolphins' tails, which almost meet. The tails cast a shadow onto the dial plate, which is engraved with thick curved lines representing the hours. Thinner lines indicate 10-minute intervals between each hour. – The dial plae has curved lines, rather than straight ones, to allow for the variations in the Sun's apparent daily motion. The plate used in summer shows British Summer Time; that used in winter shows Greenwich Mean Time. – The Dolphin Sundial was commissioned by the National Maritime Museum in 1977 to commemorate the Silver Jubilee of Her Majesty Queen Elizabeth II. – It was unveiled, on 5 June 1978 by the Baroness Birk, in the main grounds of the Museum. |
| Date | |
| Source | Own work |
| Author | Bin im Garten |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 09:07, 21 November 2012 | | 2,592 × 1,944 (2.69 MB) | Bin im Garten (talk | contribs) |
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