The history of clock

In the16th century in Germany, the clock started on the table

. Only a needle that clock, clock face is divided into four parts, so that accurate time to the nearest 15 minutes, .1657, the Huygens found that the frequency can be calculated swing time, made the first pendulum clock. 1670 British Chinese William Clement (William Clement) invented anchor escapements. 1797, American Yilaiteli (Eli Terry) to get a patent clock. He was regarded as the ancestor of the U.S. watch industry.

The history of clock

By: adali0

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