A Swiss cuckoo clock with dancing figures, the vintage cuckoo…
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A Swiss cuckoo clock with dancing figures, the vintage cuckoo wall clock surmounted with stag's head and carved with hunting motifs, rabbit, bird, and foliage, complete with chains, three pinecone weights and leaf-form pendulum, Swiss made Romance label verso, length 42 cm, width 30 cm, depth 33 cm
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- Verso - Verso is the "back" side of a sheet of paper, art work, coin or medal. The front side is "recto".
- Pendulum - The pendulum was discovered around 1602 by Galileo Galilei, and was adopted for time keeping by the Dutch mathematician and natural philosopher, Christiaan Huygens, who excelled in astronomy, physics, and horology.
The pendulum comprises a metal rod usually of brass or steel with a metal disk, known as a bob, at the end. The movement of the pendulum is driven by weights or a spring, and as a pendulum swings in a regular arc, it was found accuracy could be controlled to within a few seconds a week.
Timekeeping can be adjusted by changing the height of the bob on the rod, making the pendulum either swing slower or faster.
The disadvantage of the pendulum was that changes in temperature also changed the length of the pendulum, interfering with the accuracy of the clock, and so in the 18th century two types of mercurial pendulums were invented which countered the movement in the steel rod.
The pendulum was the world's most accurate timekeeping technology until the invention of the quartz clock, regulated by a quartz crystal, in 1927.
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