Chronometry

Chronometry

The science of the measurement of time.

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Chronometry > Clock

slave clock

Chronometry; Clock

Any clock which indicates time without possessing its own internal means of measuring time, depending on an external control, may be called a slave clock. The term is usually ...

skeleton dial

Chronometry; Clock

A dial cut away to reveal the action of the clock movement behind. Always used in skeleton clocks, it is sometimes also found in high-quality regulators. Turret-clock dials made ...

skeleton clock

Chronometry; Clock

Most of the craftmanship and decorative features of the mechanism of a clock are seen only by the repairer and restorer, but the skeleton clock is arranged to reveal as much of ...

simple pendulum

Chronometry; Clock

Scientifically, a theoretical pendulum, the mass of which is all concentrated at its center of oscillation. The term is also often used to describe a pendulum without any form of ...

silvering

Chronometry; Clock

A process for forming a slightly matt or frosted finish of chemically deposited silver on brass or copper clock dials, chapter rings, etc. To silver a dial with the engraved ...

silent escapement

Chronometry; Clock

Clocks for use in bedrooms are required to produce as little noise as possible. To this end various escapements fitted with resilient pallets have been made. In a verge bracket ...

sidewalk clock

Chronometry; Clock

Post or sidewalk clocks were first commercially produced in the United States c. 1870. The clocks were available in two- or four-dial models from 30 in. To 40 in. In diameter, ...