18th Century Chinoiserie Tavern Clock by John Dewe
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An 18th century chinoiserie tavern clock, signed John Dewe, Southwark, the dial with Roman numerals, with part movement and weights, lacking hands and pendulum. Height 150 cm. Width 75 cm. Depth 18 cm.
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- Movement - The technical name for the workings of a clock or watch, and does not include the dial or case.
- 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. - Chinoiserie - Furniture and decorative items decorated in imitation of a Western interpretation of the Chinese style. The Chinoiserie style first became popular in the late 17th century, though there were frequent revivals, notably by Chippendale (hence 'Chinese Chippendale') during the Regency period, and the Anglo-Japanese style in the second half of the 19th century.
The ubiquitous 'willow pattern' is the most common 'Chinese' theme used in porcelain, while on furniture the Chinoiserie style usually has black or red painted and lacquered decoration, though the hallmark of the furniture style is the use of fretwork in geometrical patterns, pagodas and other decorative forms.
Japonaiseries, as the name implies, are motifs in imitation of the Japanese taste.
See also "Chinese Chippendale".
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