File:The Dolphin Sundial.jpg

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Designed by Christopher St. J.H. Daniel; bronze sculpture by Edwin Russell 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 plate 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 comissioned 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. It was moved here in June 2009 during the re-landscaping of this garden, which was made possible by the generosity of the Friends of the National Maritime Museum.

The mid-point between the shadows of the 'dolphins' tail-tips indicates the correct time.
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The Dolphin Sundial

Author Andres Rueda
Camera location51° 28′ 40.05″ N, 0° 00′ 06.94″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image, originally posted to Flickr, was reviewed on 11 March 2013 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date.

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Date/TimeThumbnailDimensionsUserComment
current19:26, 11 March 2013Thumbnail for version as of 19:26, 11 March 20133,264 × 1,952 (5.49 MB)File Upload Bot (Magnus Manske) (talk | contribs)Transferred from Flickr by User:Jacopo Werther

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