What is a mercury pendulum?

The two silvery cylinders you see on the pendulum are actually glass vials, partially filled with mercury. Its purpose is to maintain accurate timekeeping despite temperature variations. Metal expands when the temperature rises, so the pendulum will actually lengthen, causing the clock to run slower.

What is a good mantel clock?

Bulova Abbeville Mantel Clock. $155.99.

Design Toscano 26 in. Temple of Heliopolis – Egyptian Mantle Clock Statue.

Bulova Cambria Mantel Clock.

Design Toscano Amboise Twin Cherubs Mantle Clock.

Seiko Brown Alder Mantel Clock.

Bulova Baron Silver and Black Mantel Clock.

Bulova Hardwick Clock.

Seiko Mantel Chiming Pendulum Clock.

Is there mercury in clocks?

The pendulum, used as a weight that swings at precisely timed intervals to keep the clock face accurate, can contain up to one litre of mercury (note: just a few drops can raise indoor air concentrations of mercury to levels that may be harmful to health).

Do grandfather clocks have mercury?

Antique grandfather clocks, or long case clocks, are examples of the types of clocks that may contain mercury in the pendulums. The weighted pendulums in these clocks swing back and forth, with each swing counting one second. If the mercury were to spill out, this would be a large spill.

How to identify an antique French mantel clock?

They typically run for approximately eight days between windings and many make a gong sound at each hour. Antique French mantel clocks differ from American clocks or those made from other European countries. There are a few methods to identify a French mantel clock. Look for a company signature on the dial or the moving parts of the clock.

What kind of clocks do they have in France?

FRENCH NAPOLEON III BRONZE GILT MANTEL CLOCK SMALL ANTIQUE FRENCH EMPIRE 8 DAY BELL FRENCH MARBLE AND ORMOLU PORTICO MANTEL CLOCK A 19TH CENTURY FRENCH BRONZE AND ORMOLU A FINE FRENCH CLOCK ON SWEPT FRONT …

Who was the best clockmaker of the 19th century?

Parisian Henry Marc was one of the best known clockmakers of the 19th century. French mantel clocks were often ornately decorated, with later art deco-era clocks being made from marble or granite.

What kind of clock is Napoleon Crossing the Alps?

“NAPOLEON CROSSING THE ALPS” A LARGE FRENCH GILT FRENCH GILT BRONZE ROCOCO MANTLE CLOCK LARGE ANTIQUE FRENCH ORMOLU ‘NAPOLEON’ DOMED MANTEL A FINE QUALITY GREEN TORTOISESHELL AND CUT FRENCH NAPOLEON III BRONZE GILT MANTEL CLOCK …