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Chronometry
The science of the measurement of time.
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Chronometry > Clock 
chip
Chronometry; Clock
Small silicon square onto which integrated circuits are imprinted. An integral part of the quartz movement.
Chinese sundial
Chronometry; Clock
The Chinese have used sundials since at least the 4th century BC. Equatorial dials have been found, dating to the Han dynasty, measuring the day into 100 parts, or K'o, each equal ...
chime tubes - bells
Chronometry; Clock
Late in the 19th century, musical and chiming longcase clocks were made fitted with tubes from 1 to 1 1/2 inches in diameter and to varying lengths, which were suspended at one ...
chime rods
Chronometry; Clock
Modern clocks often strike on metal rods which, like gongs, must be fitted to a substantial metal block attached to a sounding board to give their best effect.
chime melody
Chronometry; Clock
Tune played by the clock on the hour. A 4/4 Chime plays music and counts the hour, quarter hour, half hour, & three-quarter hour.
chime gongs
Chronometry; Clock
Early clocks and watches all chimed on bells, but this made striking watches very thick. In the last quarter of the 18th century, when the fashion changed to thinner watches, a ...
chapter ring
Chronometry; Clock
A decorative ring on the clock face upn which the hours are indicated. A feature of many traditional style mantel clocks. Also a prominent feature of clocks with skeleton ...
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