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Chronometry

The science of the measurement of time.

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Chronometry > Clock

solstices

Chronometry; Clock

The dates when the sun appears to stand still in the heavens, i.e. When it reaches its greatest declination, north or south. Since these are maximum and minimum values on a smooth ...

soldering

Chronometry; Clock

The term used to describe the uniting of chemically clean surfaces of suitable metals or alloys, which are not themselves melted, by using heat and a fusible alloy or solder. ...

snailing

Chronometry; Clock

A process which imparts a decorative finish to metal clock parts. This finish takes the form of a series of curved lines radiating from a common center. Snailing on steel is ...

snail

Chronometry; Clock

A cam, the spiral profile resembling a snail's shell, commonly used to determine the number of blows struck in rack striking work at the hour or quarter.

sliding gauge

Chronometry; Clock

A name applied to numerous measuring tools which have a jaw, or jaws, adapted to slide along a bar or beam, and set in position on it. It is also an old name for sliding calipers. ...

slide-up hood

Chronometry; Clock

The first longcase clocks had hoods which were lifted vertically to gain access to the hands or movement. The slide-up hood moved in wooden grooves on the upper part of the ...

slide-off hood

Chronometry; Clock

The most common method of removing the hood of a longcase clock to gain access to the movement. An overlapping strip of wood runs in a groove on either side of the case itself so ...

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