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

false plate

Chronometry; Clock

After 1750 most common long case clocks were made by batch production methods. When large quantities of engraved or painted dials were required it became impractical to specify pillar positions ...

false bob

Chronometry; Clock

The introduction of the pendulum in clock making so revolutionized the timekeeping of clocks that makers found it desirable to show that their clocks were fitted with pendulums. Therefore a small ...

An eyeglass is an optical instrument required by the clockmaker to magnify the image of an object and bring it closer to the eye. Eyeglasses may consist of a round, tapered tube fitted with a lens, ...

eureka clock

Chronometry; Clock

Invented in 1906 by an electrical engineer named T. B. Powers of the United States. The Eureka clock was the first electrically maintained balance-wheel clock. Convinced that he had devised a perfect ...

etching

Chronometry; Clock

A process used to create a design in metal by the action of an acid. Feature found on the metal dials of many German Anniversary Clocks.

escapement

Chronometry; Clock

A means by which the pendulum allows the going train to operate at a regular interval, thus controlling the passage of time. It usually consits of anchor and escape wheel.