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| #REDIRECT ] | |||
| ] | |||
| Throughout ] history, ]s have created '''celestial globes''' to assist the observation of the stars. | |||
| The earliest celestial globe was dated back to ] BC in the ] dynasty by the astronomers Geng Shou-chang (耿壽昌) and Luo-xia Hong (落下閎). | |||
| The first water powered celestial globe was created by ] in the ] dynasty. | |||
| Then Li Chun-feng (李淳風) of the ] created one in ] AD with three spherical layers to calibrate multiple aspects of astronomical observations. | |||
| In ] AD, ] buddhist monk ] (一行) and government official Liang Ling-zan (梁令瓚) combined Zhang Heng's water powered celestial globe with an escapement device. The result was allegedly the world's first water powered mechanical clock. | |||
| == See also == | |||
| * ] | |||
| * ] | |||
| * ] | |||
| * ] | |||
Revision as of 22:02, 21 July 2005
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