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Chronometry

The science of the measurement of time.

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Chronometry > Clock

vase clock

Chronometry; Clock

A clock with case in the form of an urn or classical vase. The urns may be of marble, porcelain, crystal or patinated bronze, usually set with gilt-bronze mounts and often made ...

velvet dial

Chronometry; Clock

Although rarely used on English clocks, velvet-covered dials with separately attached engraved and silvered chapter rings are not infrequently found in certain European bracket ...

veneer

Chronometry; Clock

A thin sheet of wood cut from timber of fine quality and glued onto a ground of cheaper wood such as pine or oak.

verge escapement

Chronometry; Clock

The first escapement known, used in most clocks until the introduction of the recoil anchor escapement in the third quarter of the 17th century. By the end of the 18th century the ...

vernier gauge

Chronometry; Clock

Many measuring instruments are fittd with a vernier, a subsidiary scale for making subdivisions of the main measuring scale. For subdividing a main scale in units of ten the ...

vernis martin

Chronometry; Clock

A general term for all varnishes and lacquers used in the decoration of interiors, furniture, boxes and clocks in 18th-century France.

vertical sundial

Chronometry; Clock

In this type of dial the shadow of a gnomon whose edge is parallel to the Earth's axis falls on a vertical surface; if this is due south, the hour lines will be symmetrically ...

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