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Chronometry
The science of the measurement of time.
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Chronometry; Clock
The lever, also termed 'regulator', which alters the effective length of the balance spring in a clock, allowing alterations in the rate to be made by the clock's owner. The best ...
inclined plane clock
Chronometry; Clock
These clocks were mostly made in the 17th century. The movement was housed in a drum-shaped canister that rolled down a slope; rewinding was effected by placing the clock at the ...
incense clock, japanese
Chronometry; Clock
The Japanese, like the Chinese, used graded joss sticks as the basic method of incense timekeeping; the charge for a geisha's time was in terms of half-hour incense sticks. ...
incense clock, chinese
Chronometry; Clock
The most primitive incense clock is a graded incense (joss) stick; the time elapsed is registered by the speed at which the trail of incense is consumed. Powdered incense was ...
impulse roller
Chronometry; Clock
The steel disc mounted on the balance staff of a lever or chronometer escapement clock and carrying the impulse pin or impulse pallet.
impulse pin
Chronometry; Clock
The ruby pin cemented in the impulse roller mounted on the balance staff in a lever escapement.
impulse pallet
Chronometry; Clock
In clocks with escapements such as the chronometer escapement, where locking and impulse are separated, the pallet receiving impulse is called the 'impulse pallet'. The radially ...
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