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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

Dec 6, 2012 ... The Italian scientist Galileo first noted (c. ... The priority of invention of the pendulum clock has been ascribed to Galileo by some authorities and ...

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.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.

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.

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 ...

galileo.rice.edu/sci/instruments/pendulum.html

His first biographer, Vincenzo Viviani, states that he began his study of pendulums after he watched a suspended lamp swing back and forth in the cathedral of ...

galileo.rice.edu/bio/narrative_2.html

However, it was not until 1602 that Galileo made his most notable discovery about the pendulum - the period (the time in which a pendulum swings back and  ...