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Chronometry
The science of the measurement of time.
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Chronometry > Clock 
reverse painting
Chronometry; Clock
A picture or design often used on a clock tablet and painted on the back side of a glass in reverse order of a normal painting.
reverse fusee
Chronometry; Clock
The reaction of engagement of the great wheel with its pinion is transmitted to its pivot and, in the usual layout, the pull of the fusee line adds to this load. In the ...
rete
Chronometry; Clock
The rotatable circular star map of an astrolabe, in the form of a network of pierced and engraved metal.
frosting
Chronometry; Clock
The granular or matted finish given to the surface of brass clock parts prior to gilding. It is produced by dipping the parts briefly into a concentrated mixture of nitric and ...
free pendulum
Chronometry; Clock
It has been known for a long time that a 'free' pendulum clock will achieve perfect timekeeping. A pendulum, to achieve this, would maintain its arc and do no work, without ever ...
Franklin clock
Chronometry; Clock
During visits to London in the late 18th century, Benjamin Franklin became friendly with James Ferguson, the famous astronomer and designer of orreries and astronomical clocks. ...
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