As we all know as a dictionary that I have found to house the clock is a device used to calculate t

As we all know as a dictionary that I have found to house the clock is a device used to calculate the time and it is so old that it is not known or inventor or country, but thanks to the writings known to be one of the his first appearances was around 1500 BC, but it was not until 1300 that built the first mechanical clocks in Europe, and the first public clock that gave the hours he was in Milan, 1335. We could be talking about what a clock is a continuous machine (which does not have to stop), always when there is not a digital clock, because a&a jewelry supply it is composed of a number of mechanisms ranging steadily either a pendulum a mold or a glass amethyst. Before being invented clocks mentioned used the sun (unreliable), the sand (to count back, not exceeding one hour) and water clocks (glasses were a small hole that drew water from a steadily, as the water that had fallen knew how much time had passed. a&a jewelry supply Thanks to investigations by Galileo on a llampera Cathedral a&a jewelry supply of Pisa, who saw that oscillated continuously and simultaneously , Christiaan Huygens invented the pendulum clock in 1658.
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