22

By Elorza Pinto
  • 3500 BCE

    Obelisk

    Obelisk
  • 2000 BCE

    Water clock

    Water clock
  • 1500 BCE

    Sundial

    Sundial
  • 70 BCE

    Candle clock

    Candle clock
  • 1088

    Mechanical clock

    Mechanical clock
  • 1300

    Sandglass

    Sandglass
  • 1500

    Harrison timepiece

    Harrison timepiece

  • Pendulum clock

    Pendulum clock

  • Digital clock

    Digital clock

  • Atomic clock

    Atomic clock