The astronomical clock tower in Kaifeng features…

1088 CE

The astronomical clock tower in Kaifeng features an escapement mechanism and the world's oldest known endless power-transmitting chain drive to operate the armillary sphere, opening doors, and mechanical-driven mannequins that rotate in shifts to announce the time on plaques.

Its construction in 1088 is based on a successful pilot model by polymath statesman and scientist Su Song.

Locations
Kaifeng Henan (Honan) China View →

People
Su Song View →

Groups
Chinese (Han) people View → Chinese Empire, Pei (Northern) Song Dynasty View →

Subjects
Technology View → Astronomy View → Physics and Mechanics View → Horology View →

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