Patent for the first pocket watch

Patent for the first pocket watch

On October 4, 1675 Christiaan Huygens (Dutch mechanic, physicist, mathematician, astronomer and inventor) patented the pocket watch.

He owns the invention of the balance spring, the timekeeping device used in mechanical watches and small clocks, analogous to the pendulum in a pendulum clock.


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03/03/1847
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Bell, Alexander Graham

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