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View Saegusa, Sotaro - Lot de 6 sculptures de la collection The twelve horary cycle animals By Sotaro Saegusa; Sculpture; 5 1/2 x 3 1/212,7 x 7,5 cm5 1/2 x 3 1/212,7 x 7,5 cm; Signed; . Access more ...
A picture of the newly discovered horary quadrant. An inscription on its reverse face dates it back to 1311—making it the earliest dated English scientific instrument. Christie’s Images ...
A similar horary quadrant is at the Museum of the History of Science of Oxford University. , inventory number 35612 (accessed 29 February 2016). Glen van Brummelen, The Mathematics of the Heavens and ...
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