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en.wikipedia.org/wiki/Pendulum

A pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is ... From the first scientific investigations of the pendulum around 1602 by Galileo Galilei, the regular motion of ... The pendulum clock invented by Christian Huygens in 1658 became the world's standard timekeeper, used in ...

en.wikipedia.org/wiki/Pendulum_clock

A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping ... The long narrow clocks built around these pendulums, first made by William Clement around 1680, became known as grandfather clocks.

www.britannica.com/technology/pendulum

The Italian scientist Galileo first noted (c. ... The priority of invention of the pendulum clock has been ascribed to Galileo by some authorities and to Huygens by ...

www.historyofinformation.com/expanded.php?id=3506

Huygens Invents the Pendulum Clock, Increasing Accuracy Sixty Fold (1656) ... The long narrow clocks built around these pendulums, first made by William ...

www.reference.com/history/invented-first-pendulum-6f2eec8ea30317cf

The pendulum was discovered by Italian scientist and scholar Galileo Galilei in 1602. The Pendulum is made from a light rod or string with a weight at one end.

museumvictoria.com.au/scidiscovery/gravity/pendulums.asp

Galileo's first discovery about pendulums allowed clocks to be made. His next discovery about pendulums suggested a new theory about the way things fall.

www.theclockdepot.com/clocks-blog/history-of-the-pendulum-clock

Jul 15, 2010 ... The long narrow clocks built around these pendulums, first made by William Clement around 1680, became known as tall case clocks and later, ...

www.cs.rhul.ac.uk/~adrian/timekeeping/galileo

Jul 8, 2009 ... In early 1609 Galileo heard of the invention in the Netherlands of an ... However, the first reliable pendulum clock was only demonstrated by ...

muse.tau.ac.il/museum/galileo/pendulum.html

Galileo was the first to examine its unique characteristics. .... and try to change the length of the pendulum, its weight and the material from which it is made.