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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 tower clock of Norwich Cathedral constructed c. 1273 (reference to a payment for a mechanical clock dated to this year) is the earliest such large clock known. The clock has not survived. [ 95 ] The first clock known to strike regularly on the hour, a clock with a verge and foliot mechanism, is recorded in Milan in 1336. [ 96 ]
The verge (or crown wheel) escapement is the earliest known type of mechanical escapement, the mechanism in a mechanical clock that controls its rate by allowing the gear train to advance at regular intervals or 'ticks'. Verge escapements were used from the late 13th century until the mid 19th century in clocks and pocketwatches.
Yoshikazu Akahane (died 1999), Japanese engineer, creator of Seiko's Spring Drive mechanical movement regulated by a quartz oscillator instead of a traditional escapement. Roberto Bertotti (born 1967), Italian watchmaker, fixing most of the watches, clocks, chronometers, Pendulum clocks, etc. Workshop in Rovereto, Italy.
Balance wheel in a 1950s alarm clock, the Apollo, by Lux Mfg. Co. showing the balance spring (1) and regulator (2) Modern balance wheel in a watch movement A balance wheel , or balance , is the timekeeping device used in mechanical watches and small clocks , analogous to the pendulum in a pendulum clock .