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Clock

  • 4000 BCE

    Sundial

    Sundial
  • 2000 BCE

    Obelis

    Obelis
  • 1000

    Sandglass

  • 1088

    1088

    The mechanical clock
    The first mechanical clock used water.It was built by su sung in china. It couldnt measure minutes because it only jad an hour hand
  • 1100

    Pendilum

    Pendilum