Part 3: Astronomy And Chronology
After experiments with sundials, water and candle clocks, the Chinese developed the world's first accurate clock involving an escapement device. Their mathematicians calculated pi; their astronomers recognized the egg yolk shape of the earth and developed an accurate system for measuring the movement of the stars.
After experiments with sundials, water and candle clocks, the Chinese developed the world's first accurate clock involving an escapement device. Their mathematicians calculated pi; their astronomers recognized the egg yolk shape of the earth and developed an accurate system for measuring the movement of the stars.
This film is part of a series. The series title and other films in this series are listed below.
Ancient Chinese Inventions - A Four Part Series
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