Louis XV Style Ormolu Mantle Clock by Japy Freres
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- 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. - Ormolu - Ormolu was popular with French craftsmen in the 18th and 19th century for ornamental fittings for furniture, clocks and other decorative items. True ormolu is gilt bronze, that is bronze that has been coated with gold using a mercury amalgam. Due to the health risks associated with using mercury, this method of creating ormolu was discontinued in France in the 1830s. A substitute was developed consisting of about 75% copper and 25% zinc, however it was inferior to the bronze version. It was often lacquered to prevent it tarnishing.
- Cupid Motif - The Cupid motif, which features the Roman god of love and desire, Cupid, was a popular decorative element in classical ornamentation. Cupid was often depicted as a winged, naked baby with a bow and arrow, and was often used to symbolize love and desire.
In classical art and architecture, Cupid motifs were often used as decorative elements on furniture, such as on the legs of chairs and tables, as well as on architectural elements such as friezes and pediments. They were also used as decorative elements in frescoes, mosaics, and other forms of art.
During the Renaissance, Cupid motifs were often incorporated into the decoration of palaces, churches and other grand buildings, as they were seen as symbols of love and fertility. Cupid motifs were also commonly used in the decorative arts of the Baroque period, often appearing in the form of putti, which are small winged cherub figures.
In addition to their decorative use, Cupid motifs were also believed to hold symbolic meaning, as they were thought to evoke feelings of love, desire, and fertility.
This item has been included into following indexes:
- clocks, mantle & shelf, material or style - gilt metal / ormolu 536
- clocks, mantle & shelf, period or origin
- Japy Freres / Japy & Cie (France) - clocks, maker or retailer 150
- lyre design - clocks, type 28
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