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Opis The oldest known illustration of an endless power-transmitting chain drive. This was illustrated in 1092, during the Song Dynasty, by the Chinese engineer Su Song in his book Xinyi Xiangfayao. It was called the "celestial ladder", and was used for coupling the main driving shaft of his clock tower to the armillary sphere gear box (which was mounted at the top of the tower in Kaifeng).
Datum AD
Vir Joseph Needham's Science and Civilization in China: Volume 4, Physics and Physical Technology, Part 2, Mechanical Engineering (1986, Taipei: Caves Books Ltd.)
Avtor Su Song 蘇頌
Public domain

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trenutno11:32, 8. avgust 2008Sličica za različico z datumom 11:32, 8. avgust 2008457 × 876 (159 KB)PericlesofAthens{{Information |Description=The oldest known illustration of an endless power-transmitting chain drive. This was illustrated in 1092, during the Song Dynasty, by the Chinese engineer Su Song in his book ''Xinyi Xiangfayao''. It was called the "celestial la

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