Chronometer
Encyclopedia
Chronometer may refer to:
See also
- Chronometer watchChronometer watchA chronometer watch is a specific type of watch tested and certified to meet certain precision standards. In Switzerland, only timepieces certified by the COSC may use the word 'Chronometer' on them....
, a watch tested and certified to meet certain precision standards - HydrochronometerHydrochronometerA Hydrochronometer is a kind of a water clock.In 1867, Fr. Giovan Battista Embriaco created a Hydrochronometer, and sent it to the Paris Universal Expo of 1867, where it received many prizes...
, a water clockWater clockA water clock or clepsydra is any timepiece in which time is measured by the regulated flow of liquid into or out from a vessel where the amount is then measured.Water clocks, along with sundials, are likely to be the oldest time-measuring instruments, with the only exceptions... - Marine chronometerMarine chronometerA marine chronometer is a clock that is precise and accurate enough to be used as a portable time standard; it can therefore be used to determine longitude by means of celestial navigation...
, a timekeeper used for celestial navigation - Railroad chronometerRailroad chronometerRailroad chronometers, or Railroad Standard Watches, are specialized timepieces that once were crucial for safe and correct operation of trains in many countries...
, a specialized timepiece once used for safe operation of trains in the United States and Canada
See also
- ChronometryChronometryChronometry is the science of the measurement of time, or timekeeping.It should not to be confused with chronology, the science of locating events in time, which often relies upon it.-See also:...
- ClockClockA clock is an instrument used to indicate, keep, and co-ordinate time. The word clock is derived ultimately from the Celtic words clagan and clocca meaning "bell". A silent instrument missing such a mechanism has traditionally been known as a timepiece...