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The most ancient and well known is the sundial. Sundials have existed for thousands of years.

Another method was the graduated candle. A candle of a known composition and thickness was marked into divisions and lit. By sitting the candle in a metal bowl and sticking a nail in at a certain point, a timing device or alarm clock could be created.

The dripping of water at a steady rate between two vessels was another early method of measuring time.

These two latter methods could be calibrated accurately by marking them in daylight whilst sitting next to a sundial.

The Chinese were the first people to create a machine that could measure elapsed time by the controlled release of a spring or weight. Likewise the machine could be calibrated in daylight and would then render accurate time throughout the night.

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Related Questions

How did ancient people measure time?

The sun, the stars.


How did people in ancient times measure time in months and days?

they checked it by checking the position of the planets.


Name some instruments that were invented to measure time?

an hourglass


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What are the different ways ancient people use to measure time?

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Why did people use hourglasses?

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What did people wear in ancient time?

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What are instruments of astronomy?

Go to this website; it has all interesting and important stuff about all the astronomical instruments from Ancient time instruments to infrared telescopes. http://worldsite.tripod.com/astronomy/astroinst.html Hope this helps. :-)


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