以水为动力，集浑仪、浑象、报时装置于一体，是世界上最早的天文钟。

Using water power and having all the functions of the armill ary sphere it was the first astronomical clock in the world.

其中浑仪、圭表、水运浑仪和浑象是根据中国古代史志记载和郭守敬的仪器模型制造，但它们并不是简单的复制。

Among these instruments the Simplified instrument, Gnomon, Water-operated Armillary Sphere and Celestial Globe were made after the records from the old Chinese Histories and Guo Shoujing's model.