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

Also known as 'remontoire escapement', and having many differing designs. These escapements achieve a uniform impulse by the use of the driving force to wind an auxiliary spring or weight during a ...

Conical pendulum

Chronometry; Clock

A pendulum with a bob describing a horizontal circle, used in some Victorian novelty clocks and also to control the driving mechanism of equatorially mounted telescopes. The pendulum is normally ...

Italian monastic alarm clocks

Chronometry; Clock

In the late 15th and early 16th centuries, the art of pictorial marquetry or inlay work was widespread in Italy as a decoration for studies, other rooms and monastic choir stalls; a fair number of ...

Monastery clock

Chronometry; Clock

Monasteries in the Middle Ages, required to hold services at certain hours of the day and night, originally used water clocks to indicate the time. Later, simple verge escapement mechanical clocks ...

Mock pendulum

Chronometry; Clock

A small secondary pendulum bob attached to the real pendulum arbor, which appears in a segmental aperture on the dials of some 18th-century verge bracket clocks. It showed that the clock was going ...