First pendulum clock design

According to Official Guinness Records,

The Italian physicist, mathematician and astronomer Galileo Galilei (Italy, 1564–1642) was among the first to recognise that a pendulum’s predictable and uniform swing had great potential for timekeeping. Galileo designed and began building a pendulum clock in the late 1630s, although he died before he could finish it. A model based on a drawing of his design by his friend Vincenzo Viviani was constructed in the 19th century.
See also First operational pendulum clock

For a complete list of 1630 records, please visit 1630 Guinness Records in Italy.

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