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

Pillar clocks, often referred to as 'stick' clocks, were made to hang on the supporting column of a Japanese house, since the screen walls were not designed to support heavy objects. Pillar clocks ...

Pillar clock

Chronometry; Clock

Early Gothic clocks usually stood on brackets fastened to the wall, or were hooked to the wall, but such clocks were made to stand on hollow pillars, which contained the weights. As clocks on pillars ...

Pilaster

Chronometry; Clock

Decorative feature used to create the effect of columns on the clock cabinet.

Pigeon-racing clock

Chronometry; Clock

For recording the arrival time of racing pigeons, developed originally in the 19th century by W. H. Turner. The birds are taken to the point of departure and released at a given time, their homing ...

Picture clock

Chronometry; Clock

In the early 19th century it became the fashion to own an oil painting of a town or village scene incorporating the tower of a church or similar building bearing a clock dial. The dial was not part ...

Photozenith tube

Chronometry; Clock

Since 1955 Greenwich Observatory near London has employed the photozenith tube (PZT) for checking its standard clock against the stars. Selected stars which transit near the zenith are automatically ...

Photographer's clock

Chronometry; Clock

A clock with a large dial and centre sweep seconds hand moving over a 0-60 graduated scale, with a subsidiary hand to indicate elapsed time on a second scale graduated 0-60 or 0-100 minutes; ...