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Su Song was of Hokkien ancestry [13] who was born in modern-day Fujian, near medieval Quanzhou. [14] Like his contemporary, Shen Kuo (1031–1095), Su Song was a polymath, a person whose expertise spans a significant number of different fields of study.
Su's clock tower also featured the oldest known endless power-transmitting chain drive, called the tian ti (天梯), or "celestial ladder", as depicted in his horological treatise.The clock tower had 133 different clock jacks to indicate and sound the hours. Su Song's treatise about the clock tower, Xinyi Xiangfayao (新 儀 . 象 法 要), has ...
The original diagram of the book by Su Song in 1092, showing the inner workings of his clock tower, with the clepsydra tank, a waterwheel with scoops and the escapement, a chain drive, the armillary sphere crowning the top, and the rotating wheel with clock jacks that sounded the hours with bells, gongs, and drums.
Su Song was the engineer of a hydro-mechanical astronomical clock tower in medieval Kaifeng, which employed the use of an early escapement mechanism. However, the clock itself was dismantled by the invading Jurchen army in AD 1127, and although attempts were made to reassemble the clock tower, it was never successfully reinstated.
The later Song dynasty historical text of the Song Shi (compiled in 1345 AD) records Zhang's work (Wade-Giles spelling): . At the beginning of the Thai-Phing Hsing-Kuo reign-period (+976) the Szechuanese Chang Ssu-Hsun [Zhang Sixun], a student in the Bureau of Astronomy, invented an astronomical clock (lit. armillary sphere, hun i) and presented the designs to the emperor Thai Tsung, who ...
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I also struggled to define the concept for my husband, so I appreciated content like this reel from relationship educator Jimmy Knowles, or musician and comedian Farideh's satirical song "Make a ...
The Chinese title Huntian hunjun「渾天昏君」is an untranslatable pun on huntian (渾天) meaning "astronomical clock", and hunjun (昏君) meaning "foolish ruler". According to the composer, the first 'clock' is the water-powered astronomical clock-tower built by the court official Su Song (蘇頌) in Kaifeng during the Northern Song dynasty.