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

Add a new term

Contributors in Clock

Become a Contributors

Clock

iron weights

Chronometry; Clock

Cast iron was first available commercially towards the end of the 18th century, and it soon became cheaper than lead. Its use for clock weights became almost universal in the 19th century. The ...

iron clock

Chronometry; Clock

The mechanism of the earliest clocks was of iron, forged in the case of turret clocks, cut cold with a file in the case of smaller clocks.

invar

Chronometry; Clock

At the beginning of this century, Charles Edouard Guillaume, in the course of research into alloys suitable for standards of length, discovered that a steel alloy containing 36 percent of nickel ...

interval timer

Chronometry; Clock

There are two main forms of interval timers. The earlier was devised by Matthaus Hipp, Charles Wheatstone and others for measuring small intervals of time. A clockwork mechanism, controlled by a ...

Inro were small, rectangular lacquered wood or metal cases in which Japanese gentlemen carried their necessities, attached to the obi (sash) by a silken rope. Usually they had four compartments, but ...

inlay

Chronometry; Clock

Thin layers of wood applied to form a decorative pattern.

index pins

Chronometry; Clock

The curb pins, carried by the shorter end of the index, which embrace the outer turn of the balance spring, for making adjustments to its effective length.