29th Jan, 2011 8:30 GMT/BST
Antiques & Scientific
1003
An Early 19th Century Brass Universal Equinoctial Ring Dial by Proctor, Bielby & Co., London,...
An Early 19th Century Brass Universal Equinoctial Ring Dial by Proctor, Bielby & Co., London, the meridian ring graduated I - XII in Roman numerals (twice), the equinoctial ring with 90 - 0 - 90 scale to one side and a 0 - 90 declination scale to the other, with sliding throne to rim, the bridge with sliding pinhole sight, calendar scale to one side and signs of the zodiac to the other, diameter 13cm
Sold for £2,100
Estimated at £500 - £800
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