Clock

clock

By short cody
  • 325 BCE

    what was the resons for the clock

    what was the resons for the clock
    ancient Greek use portable mechanical clocks to tell whether it was daytime or nighttime.
  • 325 BCE

    Why clocks were made

    Why clocks were made
    clocks were made by the ancient Greeks to keep track of time during night and day and they would also help us keep track of our work that we have
  • 325 BCE

    why clocks start at 12

    why clocks start at 12
    "it goes back to ancient Egypt when the day was measured using sundials." the shadow on the face of the sundial would end up showing the time
  • 325 BCE

    why is it only 1-12 for a clock

    why is it only 1-12 for a clock
    a clock turns from 12 back to 12 because every time it rotates it etir turns to am or pm if it hasten rotated then it would be am if it turn once it would be pm
  • 1510

    mechanical clocks

    mechanical clocks
    the first mechanical clock was powered by heavy whets which hung from a drum by a cord or chain which would turn the gears so the clock would move and you would know what time it was

  • grandfather clock

    grandfather clock
    the grandfather clock was invented in 1656 and it was the first clock to use a pendulum to wind up the clock so it can start turning to tell the time

  • Rolex creates the first waterproof watch

    Rolex creates the first waterproof watch
    Rolex made the very first waterproof watch in 1926 witch means that it can go under water without messing up the watch completely now this help so many people because if they accidentally spilled like water or juice it wouldn't mess up the watch

  • how the clock changed the wolrd

    how the clock changed the wolrd
    in 1934 "Technics and civilization, Mumford laid out a fascinating argument" about the clock and how it is apart of the key to modern day clocks. the modern day clocks have many uses there on your phone there on your PC and on your watches so they can help you know when you need to go to work and even help you with when you go to bed wake up and then go to school and be on time

  • the first digital clock

    the first digital clock
    the first digital clock was made in 9161 so that you can tell the time by just looking at your wrists

  • the important part of digital clocks

    the important part of digital clocks
    digital clocks can show you different time zones throughout the world like if you were inside of china and you have a digital clock from the USA then you could just switch to that time zone