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The use of an inappropriate key to wind a clock is one such improper procedure. The manner in which a clock is wound is also important, as "[...] considerable and potentially expensive damage can be caused by not winding gently and steadily", [8] as well as by turning the key too many times. c. Unstable storage or display
Huygens' maintaining power in use. The weight drive used by Christiaan Huygens in his early clocks acts as a maintaining power. In this layout, the weight which drives the clock is carried on a pulley and the cord (or chain) supporting the weight is wrapped around the main driving wheel on one side and the rewinding wheel on the other.
The clock is purchased on the morning of the grandfather's birth and works perfectly for 90 years, requiring only that it be wound at the end of each week. The clock seems to know the good and bad events in the grandfather's life; it rings 24 chimes when the grandfather brings his new wife into his home, and near his death it rings an alarm ...
A grandfather clock (also a longcase clock, tall-case clock, grandfather's clock, hall clock or floor clock) is a tall, freestanding, weight-driven pendulum clock, with the pendulum held inside the tower or waist of the case. Clocks of this style are commonly 1.8–2.4 metres (6–8 feet) tall with an enclosed pendulum and weights, suspended by ...
Especially these clocks with cylinders inside," Gierschick said as he opened a large clock cabinet. "Look at this one. It was filled with sand, gravel and rocks from the late 1700s."
A fusee (from the French fusée, wire wound around a spindle) is a cone-shaped pulley with a helical groove around it, wound with a cord or chain attached to the mainspring barrel of antique mechanical watches and clocks. It was used from the 15th century to the early 20th century to improve timekeeping by equalizing the uneven pull of the ...
The Seymour tall case clock in the White House, more commonly known as the Oval Office grandfather clock, is an 8-foot-10-inch (269 cm) longcase clock, made between 1795 and 1805 in Boston by John and Thomas Seymour, and has been located in the Oval Office since 1975. [1]
The invention of the escapement was an important step in the history of technology, as it made the all-mechanical clock possible. [1]: p.514-515 [2] [3] The first all-mechanical escapement, the verge escapement, was invented in 13th-century Europe.