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Period: Apr 18, 1400 to
The First Clock
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Apr 18, 1410
The First Idea of the Clock
The first clock was thought of so people could keep trck of time 24 hours in a day not just when the sun is out. -
The Beginning of the Clock
The Pendulum was invented. It has changed because it now has a minute hand for a more accurate time. -
The New Second
George Graham turned the clock into the most persice clock with the new and improved pendulum clock with a seconds hand. -
The Clock Today
Now the clock has neon lights, different styles, and some clocks are electric.
