Activity 22

By Uxue M
  • 3000 BCE

    Obelisk

  • 2000 BCE

    Water Clock

  • 1500 BCE

    Sundial

  • 990

    Candle Clock

  • 1000

    Mechanical Clock

  • 1300

    Sandglass

  • Harrison Timepiece

  • Pendulum Colck

  • Digital Clock

  • Atomic Clock

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