Louis XVI Style Gilt Bronze Portico Clock
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- Bronze - An alloy of copper and tin, traditionally in the proportions of about 9 parts of copper to 1 part of tin.
The discovery of bronze in Western Asia in the 4th century enabled people to create metal objects which were superior to those previoulsy possible because of its strength and hardness, and it has been used throughout the world for weapons, coins, tools, statuary and other decorative items.
It is very fluid in a molten state, and its hardness, strength when set, and non-corrosive properties makes it most suitable for casting sculpture. - 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. - Demi Lune - Demi-lune is a French word translating to half-moon or crescent-shaped. In jewellery the demi lune shape is used in the design of pendants and earrings. The crescent shape adds a touch of elegance and femininity, and is often used to symbolize the moon or to evoke a sense of mystery and magic. In furniture design, a demi-lune table is a narrow, crescent-shaped table that is often used as an accent piece or in small spaces where a full-sized table would not fit. Demi-lune tables were popular in the 18th and 19th centuries and were often decorated with intricate carvings or inlaid designs.
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