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1400
Sundial
4,000 years ago, in Egypt, the first clock was invented and it was, precisely, the Sundial, only that it could not measure the time when it was night or there was no sun. -
1417
Clepsydra
The Water Clock or Clepsydra indicates the time during the night when the water it contains is emptied; The oldest of these was found in an Egyptian temple and it is said that it was made about 3,356 years ago. -
1501
Hourglasses
In Europe, during the sixteenth century, the Sandglasses were used to measure the duration of Masses in churches. Surely you know them, because they are still used. The duration depends on the amount of sand and the size of the drop hole. -
MECHANICAL CLOCK
It is not yet known who invented the first Mechanical Clock, what is known is that the first ones that have been found are from the year 1290. Its mechanism consists of a set of revolving wheels driven by a weight hanging from a rope. -
Pendulum Clock
Based on the studies carried out by Galileo, Christian Huygens designed the first Pendulum Clock in 1656. This clock was the most accurate until that moment, with an error of only 5 minutes per day. The most known pendulum type clock is the Cuckoo Clock. -
Electric Clock
In 1840 Alexander Bain built an Electric Clock powered by electric attraction and repulsion. -
Quartz crystal watch
Warren Alvin Marrison, more than 67 years ago, put quartz crystals to an electric clock, thus emerging the quartz crystal clock, which are very accurate and only fall behind or advance by 3 seconds a year. -
Atomic clock
It began to develop in 1946, has great accuracy and its margin of error is one second every 300 years, it is the most accurate of all watches today. -
Wristwatch
Louis Cartier, created the first wristwatch for one of the first aeronauts in history, Santos Dumont, who needed both hands to drive but wanted to see the time.