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Model Of Chinese Ancient Water Meter Editorial Photo


Model of chinese ancient water meter Editorial Stock Photo
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Model of chinese ancient water meter #81305305
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Water meter is a large astronomical instruments invented by the ancient astronomers, such as the northern song dynasty astronomer su song, who created. it is a comprehensive observation instrument which integrates observing astronomical astronomical instruments, demonstrating astronomical phenomena, measuring the time of leakage, and reporting time. it is actually a small observatory.

This image is editorial