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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
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 curve they cannot ...
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. There are two distinct ...
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 produced by a copper mill ...
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. The beam is usually ...
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 backboard of the case and ...
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 that the hood does ...
