The need to gauge the divisions of the day and night led the ancient Egyptians, Greeks and Romans to create sundials, water clocks and other early chronometric tools.
The need to gauge the divisions of the day and night led the ancient Egyptians, Greeks and Romans to create sundials, water clocks and other early chronometric tools.
古埃及人、希腊人与罗马人为了测定昼夜之别，发明了日晷、水钟及其他早期计时工具，后来由西方世界继承了这些技术。