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Galileo's escapement is a design for a clock escapement, invented around 1637 by Italian scientist Galileo Galilei (1564–1642). Galileo was one of the leading minds of the Scientific Revolution. [ 1 ]
Original drawing (c. 1637) of Galileo's pendulum clock and escapement. Galileo's escapement is a design for a clock escapement, invented around 1637 by Italian scientist Galileo Galilei. It was the earliest design of a pendulum clock. Since he was blind by then, Galileo described the device to his son, who drew a sketch of it. The son began ...
The mechanism which runs a mechanical clock is called the movement. The movements of all mechanical pendulum clocks have these five parts: [27] A power source; either a weight on a cord or chain that turns a pulley or sprocket, or a mainspring. A gear train (wheel train) that steps up the speed of the power so that the pendulum can use it.
The Ottoman engineer Taqi ad-Din described a weight-driven clock with a verge-and-foliot escapement, a striking train of gears, an alarm, and a representation of the Moon's phases in his book The Brightest Stars for the Construction of Mechanical Clocks (Al-Kawākib al-durriyya fī wadh' al-bankāmat al-dawriyya), written around 1565. [119]
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.
A mechanical movement contains all the moving parts of a watch or clock except the hands, and in the case of pendulum clocks, the pendulum and driving weights. The movement is made of the following components: [2] Power source Either a mainspring, or a weight suspended from a cord wrapped around a pulley.