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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.

Contributors in Clock

Clock

Dial

Chronometry; Clock

The face of a clock on which the hours are located.

Detached-lever escapement

Chronometry; Clock

This escapement, which has finally ousted all others in mechanical balance-controlled timekeepers, was first invented in the mid 18th century, although its merits were not fully appreciated until the ...

Depthing tool

Chronometry; Clock

A tool to determine the correct distance apart and depth of engagement of wheel teeth and pinions. It has a pair of parallel runners between the centres of which two wheels, or wheel and pinion, or ...

Contrate wheel

Chronometry; Clock

A wheel cut with teeth on one face which mesh with a pinion at 90? used in verge clocks to drive the vertical escape pinion. The contrate wheel is also found in platform-escapement carriage clocks, ...

Restoring

Chronometry; Clock

To restore a clock is to make it as nearly as possible as it was when it was first made, bearing in mind that its case, movement and dial will inevitably carry evidence of use which it is not ...

Repeating work

Chronometry; Clock

Before the introduction of the match, the difficulty in obtaining a light at night to see the time made it desirable to have clocks capable of striking the time at will by the operation of a lever or ...

Renaissance clock

Chronometry; Clock

The name now normally given to clocks made from c. 1500 to c. 1650, when regional styles of clockmaking began to evolve in Europe. The style was international in character, most of the clocks of the ...

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