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Benjamin Vulliamy (1747 – 31 December 1811), was a British clockmaker responsible for building the Regulator Clock, which, between 1780 and 1884, was the main timekeeper of the King's Observatory Kew and the official regulator of time in London. [2] In 1773 Vulliamy had received a Royal Appointment as the King's Clockmaker.
The Riefler escapement is a mechanical escapement for precision pendulum clocks invented and patented [1] by German instrument maker Sigmund Riefler in 1889. [2] It was used in the astronomical regulator clocks made by his German firm Clemens Riefler from 1890 to 1965, [3] which were perhaps the most accurate all-mechanical pendulum clocks made.
Animation of an anchor escapement, widely used in pendulum clocks. An escapement is a mechanical linkage in mechanical watches and clocks that gives impulses to the timekeeping element and periodically releases the gear train to move forward, advancing the clock's hands.
A regulator lever is often fitted, which can be used to alter the free length of the spring and thereby adjust the rate of the timepiece. The balance spring is a fine spiral or helical torsion spring used in mechanical watches , alarm clocks , kitchen timers , marine chronometers , and other timekeeping mechanisms to control the rate of ...
Any excessive physical force will break, damage, splinter the clock frame or easily shatter the glass of the object. Clocks are complex functional objects; many have moveable working parts. Any excessive physical force can damage the mechanics inside the clock which are critical to its operation.
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E. Howard & Co. was a clock and watch company formed by Edward Howard and Charles Rice in 1858, after the demise of the Boston Watch Company.The pair acquired some of the material and watches in progress, based upon a lien against the defunct company held by Rice, but they were unable to buy the existing factory or machinery, so they moved to Roxbury.
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 .