Clock

Clock

Any instrument other than a watch for measuring or indicating time, especially a mechanical or electronic device having a numbered dial and moving hands or a digital display.

Industry: Chronometry

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Clock

Pendulum bob

Chronometry; Clock

The adjustable weight at the lower end of a pendulum. The lenticular-shaped pendulum bob, often in cast iron for turret clocks, is probably the most common; it has the advantage of offering the ...

Pendulum aperture

Chronometry; Clock

A feature of the design of bracket-clock dials during the first half of the 18th century. A curved hole was cut in the dial above the centre to show the small engraved brass disc attached to the ...

A suspended, swinging rod and weight (bob) that regulates the clock movement in keywound/mechanical clocks. The pendulum in quartz (battery) clocks is purely decorative; the clock does not need it to ...

Pendule sympathique

Chronometry; Clock

One of the most intriguing inventions of Abraham-Louis Breguet, first made c. 1805-10. The pendule sympathique consisted of a table or mantel clock with a special clip above to hold a watch during ...

Pendule religieuse

Chronometry; Clock

The French bracket clock of the late 17th century, of plain architectural form. The name probably derived from their simplicity or by analogy with the architectural form of churches. These clocks are ...

Pendule régence

Chronometry; Clock

The shortest period of the Regency in France (1715-23) was truly a transition period, the massive grandeur of Louis XIV designs softening, but not yet forming the new, lighter curves of Louis XV ...

Gallery clock

Chronometry; Clock

An eight-day or electric clock, usually round, with a simple case and a dial usually eight inches orlarger designed to hang on a wall in a public place.