| Rare 14th century time-telling instrument, marked with badge of Richard II, to sell at Bonhams |
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LONDON.- Bonhams to auction one of the only known 14th century instruments, an exceedingly rare equal hour horary quadrant marked with the badge of King Richard II, at its Fine Clocks and Scientific Instrument Sale on 13 December 2011. Dated 1396, this extraordinary British time-telling mathematical instrument, which has come to light following its discovery in a shed in Queensland, Australia, has attracted a pre-sale estimate of £150,000 – 200,000. It is the second earliest dated British scientific instrument in existence, the earliest being the Chaucer astrolabe, dated 1326, housed in the British Museum. This quadrant is the earliest of a similar group of three other quadrants dated 1398, 1399 and circa 1400 respectively, two of which can be found in the British Museum, and the other in the Dorset County Museum, Dorchester. Like the others, it is noteworthy for showing equal hours, in which the entire period from midn read full article
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