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Clocks, Chinese & Japanese Water-balance escapement, Chinese, 1088

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UIS5063613

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Clocks, Chinese & Japanese Water-balance escapement, Chinese, 1088

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Clocks, Chinese & Japanese Water-balance escapement, Chinese, 1088. Working model (scale 1:6). The original was used in Su Song's astronomical clock-tower of 1088. Su Song (1020-1101) was a Chinese astronomer and inventor who was ordered by the emperor to construct a complex armillary clock. With his advisers, he built a full-scale working model in wood which was tested before the metal parts were cast. The water-balance escapement represents a 'missing link' between earlier water clocks, whose timekeeping depended upon measuring changes in the water level, and the all-mechanical escapement clock developed in Europe towards the end of the 13th century. ©SSPL/Science Museum

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Largest available format 2517 × 3504 px 2 MB
Dimension [pixels] Dimension in 300dpi [mm] File size [MB] Online Purchase
Large 2517 × 3504 px 213 × 297 mm 1.7 MB
Medium 736 × 1024 px 62 × 87 mm 965 KB

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