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 Chinese have used sundials since at least the 4th century BC. Equatorial dials have been found, dating to the Han dynasty, measuring the day into 100 parts, or K'o, each equal to 14 minutes 24 ...

Chime tubes - bells

Chronometry; Clock

Late in the 19th century, musical and chiming longcase clocks were made fitted with tubes from 1 to 1 1/2 inches in diameter and to varying lengths, which were suspended at one end in the back of the ...

Chime rods

Chronometry; Clock

Modern clocks often strike on metal rods which, like gongs, must be fitted to a substantial metal block attached to a sounding board to give their best effect.

Bell top

Chronometry; Clock

The bracket clock, true bell-top pattern, with ovolo moulding surmounting the cavetto or concave shape, is usually associated with the introduction of mahogany. Old bracket or bell top clocks should ...

Bell

Chronometry; Clock

The sonorous metal dome on which clocks and alarms strike. Antique clocks have bells cast in bell metal, which is a copper-tin alloy containing approximately four parts copper to one part tin. Modern ...

Belfry clock

Chronometry; Clock

One of the earliest uses of clocks was in monasteries, to summon the monks to prayer at the proper time. Originally this was done by a water clock giving an aural indication of the hour, at which a ...