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Horologium Oscillatorium: Sive de Motu Pendulorum ad Horologia Aptato Demonstrationes Geometricae (English: The Pendulum Clock: or Geometrical Demonstrations Concerning the Motion of Pendula as Applied to Clocks) is a book published by Dutch mathematician and physicist Christiaan Huygens in 1673 and his major work on pendula and horology.
From its invention in 1656 by Christiaan Huygens, inspired by Galileo Galilei, until the 1930s, the pendulum clock was the world's most precise timekeeper, accounting for its widespread use. [ 1 ] [ 2 ] Throughout the 18th and 19th centuries, pendulum clocks in homes, factories, offices, and railroad stations served as primary time standards ...
Christiaan Huygens, Lord of Zeelhem, FRS (/ ˈ h aɪ ɡ ən z / HY-gənz, [2] US also / ˈ h ɔɪ ɡ ən z / HOY-gənz; [3] Dutch: [ˈkrɪstijaːn ˈɦœyɣə(n)s] ⓘ; also spelled Huyghens; Latin: Hugenius; 14 April 1629 – 8 July 1695) was a Dutch mathematician, physicist, engineer, astronomer, and inventor who is regarded as a key figure in the Scientific Revolution.
Original pendulum clock by S. Coster, after Huygens' design (1657). Salomon Coster (c. 1620–1659) was a Dutch clockmaker of the Hague, who in 1657 was the first to make a pendulum clock, which had been invented by Dutch mathematician Christiaan Huygens (1629-1695). [1] [2] Coster died a sudden death in 1659.
In 1656 the Dutch scientist Christiaan Huygens built the first pendulum clock. [39] This was a great improvement over existing mechanical clocks; their best accuracy was improved from around 15 minutes deviation a day to around 15 seconds a day. [40] Pendulums spread over Europe as existing clocks were retrofitted with them. [41]
In measuring an accurate one-second pendulum, for example, the Italian astronomer Father Giovanni Battista Riccioli persuaded nine fellow Jesuits "to count nearly 87,000 oscillations in a single day". [135] They served a crucial role in spreading and testing the scientific ideas of the period, and collaborated with Huygens and his ...
The second verge pendulum clock built by Christiaan Huygens, inventor of the pendulum clock, 1673. Huygens claimed an accuracy of 10 seconds per day. In a pendulum clock, the verge escapement is turned 90 degrees so that the crown wheel faces up (top).
Alexander Bruce, 2nd Earl of Kincardine FRS (1629–1681) was a Scottish inventor, politician, judge and freemason, who collaborated with Christiaan Huygens in developing a marine pendulum clock. [1] His grandfather, Sir George Bruce had built up a fortune in coal-mining and salt-production, building Culross Palace in Fife in 1597.