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

The earliest globe clocks were mechanically turned globes with clock dials made in 16th-century Europe. Another type has a globe with an inscribed revolving hour band and a fixed indicator to show ...

Graver

Chronometry; Clock

A cutting tool of hardened steel, square or lozenge-shaped in section and of varying thickness. One end has a tang for fitting in a handle and the other is ground off at an angle to obtain the ...

Grasshopper escapement

Chronometry; Clock

The very poor quality of oil led the brothers James and John Harrison to develop a clock escapement which would run without oil. The brass frame carrying the pallet arms is attached to the pendulum ...

Grandmother clock

Chronometry; Clock

A smaller, floor-standing version of a grandfather clock.

Grandfather clock

Chronometry; Clock

The name for a floor standing clock in a tall, upright case; originally called a long-case or tall-case clock.

Grande sonnerie striking

Chronometry; Clock

In clocks with quarter striking the first, second and third quarters are indicated by striking from one to three strokes on a bell differing in tone from the hour bell. In clocks with four-quarter ...

Gothic-on-frame clocks

Chronometry; Clock

As small spring-driven shelf clocks became popular, Birge & Fuller of Bristol, Connecticut, introduced c. 1844 an eight-day movement powered by Joseph Ives's patented 'accelerating lever spring' ...