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

To make dismantling and assembly easier, some late 17th-century makers used small latches to secure their pillars and plates. The idea is still occasionally used and during the 1960s the makers of ...

Lantern pinion

Chronometry; Clock

A form of pinion construction in which the pinion leaves are made from round steel pins, held by brass discs. In some cheap clocks the steel pins are held at one end only, by a die-casting technique ...

Lantern clock

Chronometry; Clock

So called because of its frame's resemblance to a lantern. Other names have been used, including Cromwellian and bedpost clock, the former because the bell at the top suggested a Cromwellian helmet ...

Lantern chuck

Chronometry; Clock

This is a specialised chuck for holding parts such as screws, and is used with the screwhead or screwpoint polishing tool.

Lancet clock

Chronometry; Clock

A type of longcase or bracket clock with a case shaped at the top in the form of a pointed Gothic arch. This design is encountered during the early 19th century in England and continued into the ...

Lacquering

Chronometry; Clock

Various lacquers are used to give metal or wood a protective or decorative covering. They are applied hot or cold, by brush, spray or by dipping. Shellac dissolved in methylated spirit, or cellulose ...

Fusee engine

Chronometry; Clock

The clock-barrel engine could also be used for cutting the groove in fusees for bracket clocks, except that the cutter would follow the conical profile of a fusee instead of the straight cylinder of ...