History of Clocks

By paulaf123
  • 3500 BCE

    Obelisk

    Used like a sundial by Egyptions
  • 1500 BCE

    Water Clocks

  • 600 BCE

    Merkhet

    Could calculate time at night with stars
  • 325 BCE

    Greek Water Clocks

    Idea taken from Egyptians and improved
  • Jan 1, 1552

    Incense Clocks

  • Pendulum Clocks

    Created by Dutch scientist

  • Balance Wheel and Spring Clocks

    First portable clock

  • Pendulum Clocks

  • Quartz Clocks

    Most Digital and Analog clocks run on quarts today

  • Atomic Clocks

  • Atomic Clocks

    First atomic clock made

  • Atomic Clocks

    First atomic clocks available for public

  • Atomic Clocks

    First Atomic Clock sent to space