Engineering, 16.03.2020 19:18 mairadua14

The clepsydra, or water clock, was a device that the ancient Egyptians, Greeks, Romans, and Chinese used to measure the passage of time by observing the change in the height of water that was permitted to flow out of a small hole in the bottom of a container or tank.

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The clepsydra, or water clock, was a device that the ancient Egyptians, Greeks, Romans, and Chinese...

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