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Ruhla alarm clock b. Winding and setting In order to function as time keepers, and to prevent damage to clockwork, clocks must be regularly wound. An established winding schedule eliminates the threat of over-winding."Traditionally, the job of winding the clocks was given to an horologist or a trained individual.
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 ...
Keys of various sizes for winding up mainsprings on clocks Mechanism of a Wall Clock, Ansonia Co. 1904. The stored amounts of energy used by a given piece during its operation is often housed within it; this frequently happens via a winding device that applies mechanical stress to an energy-storage mechanism such as a mainspring, thus involving some form of escapement.
In an effort to appease his family, Sam puts the clock up for sale. However, when a neighbor expresses interest in it, he offers to let her have it with payment indefinitely deferred and come by every two days to maintain it. Two weeks after he sells the clock, the new owners go on vacation for the weekend, so Sam cannot wind the clock.
Engraved initial letters on back of Winterhalder & Hofmeier clocks from Schwaerzenbach, Black Forest, Germany. The firm Winterhalder Uhrenfabrik was established in 1810 by Thomas Winterhalder. Even his grandfather Nikolaus Winterhalder (1710-1743) made quality Black Forest clocks with wooden cogs and weights from stones. [1]
A torsion pendulum clock requiring only annual winding is sometimes called a "400-Day clock" or "anniversary clock", sometimes given as a wedding gift. Torsion pendulums are also used in "perpetual" clocks which do not need winding, as their mainspring is kept wound by changes in atmospheric temperature and pressure with a bellows arrangement.
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