Noun
a clock regulated by a pendulum
Source: WordNetDuring the 18th and 19th century, the pendulum clock 's role as the most accurate timekeeper motivated much practical research into improving pendulums. Source: Internet
From its invention in 1656 by Christiaan Huygens until the 1930s, the pendulum clock was the world's most precise timekeeper, accounting for its widespread use. Source: Internet
In the 20th century, W.H. Shortt invented a free pendulum clock Shortt-Synchronome clock with an accuracy of one-hundredth of a second per day. Source: Internet
The 17th-century Dutch mathematician Christiaan Huygens discovered and proved these properties of the cycloid while searching for more accurate pendulum clock designs to be used in navigation. Source: Internet
This is the source of the "ticking" sound of an operating pendulum clock. Source: Internet
Harrison was a man of many skills and he used these to systematically improve the performance of the pendulum clock. Source: Internet