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

weight driven

Chronometry; Clock

Traditional cuckoo clock movement. It is driven by weights hung from chains with engaged sprockets. See also Chain Driven.

A clock that uses heavy objects suspended from the works by chain or spring to power the clock movement as they drop. A spring-driven clock, on the other hand, relies on the tension of a coiled wire ...

Westminster chimes

Chronometry; Clock

Most popular tune used in chiming clocks. This famous tune originated in the Victorian clock towers in the House of Parliament in London.

wheel brace

Chronometry; Clock

This is primarily a drilling tool and is driven by a hand wheel that is geared directly to the chuck, rotating it, and thus the drill at increased speed. It is a comparatively modern tool and is not ...

whittington chimes

Chronometry; Clock

Chimes originally rang in the church of St. Mary Le Bow in London. Legend has it that a young boy running away from his master thought he heard them call out his name, telling him to turn back. Dick ...

wig-wag tool

Chronometry; Clock

A tool which imparts a reciprocating or backwards and forwards motion to a pinion, or a tool for polishing a pivot or pinion leaves. In the pivot-polishing version of this tool the polisher, which is ...

winding key

Chronometry; Clock

The tool for winding a clock. Crank keys are best suited for weight clocks and eight-day fusee clocks, while the plate key is best suited to going-barrel spring clocks and clocks requiring a high ...