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English Project

By Aierta
  • The Obelisk
    3498 BCE

    The Obelisk

    The Obelisk was the first known clock invented. This clock was invented by the Egyptians.The Obelisk was large obelisk that cast a shadow from the sun.
  • The Water Clock
    1992 BCE

    The Water Clock

    This clock was basically a bowl with a hole in the bottom.
  • Sundial
    1496 BCE

    Sundial

    This was invented bi the Egyptians and Babylonians. This clock worked by the sun and the shadow.
  • Candle Clock
    520 BCE

    Candle Clock

    The Candle clock was invented bi Alfred the Great. This was known in a old Chinese poem. This worked by a candle.
  • The Mechanical Clock
    1088

    The Mechanical Clock

    The mechanical clock was invented by Su Sang. This clock couldn't measure minutes because it only had an hour hand.
  • Sandglass
    1300

    Sandglass

    The Sandglass was invented in Europe. They are still in use today to measure small amounts of time.
  • Pendulim Clock

    Pendulim Clock

    The Pendulum clock was invented by Christiaan Huygens in Germany. This technology reduced the loss of time by clocks from about 15 minutes to about 15 seconds per day.
  • Harrison Timepiece

    Harrison Timepiece

    The Harrison timepiece was invented by John Harrison. This was a precision longcase clock.
  • The Atomic Clock

    The Atomic Clock

    The Atomic clock was invented by Louis Essen in the U.K. Essen developed a clock that used a design invented in 1949 by Harvard physicist Norman Ramsey, who won a Nobel Prize for it 40 years later.
  • Digital Clock

    Digital Clock

    The Digital clock was invented by Thomas Bromley in Hull. This clock was an electric clock and the hours of this clock are from 0h to 24h.