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'''Marine chronometer'''
 
'''Marine chronometer'''
{{other languages|[[Marinechronometer|de]]}}
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{{other languages|[[Marinechronometer|de]]|[[scheepschronometer|nl]]}}
 
[[Bild:Marinechronometer GUB.jpg|thumb|Marine chronometer]]
 
[[Bild:Marinechronometer GUB.jpg|thumb|Marine chronometer]]
 
[[Bild:Chronometerwerk GUB.jpg|thumb|Chronometer movement]]
 
[[Bild:Chronometerwerk GUB.jpg|thumb|Chronometer movement]]

Version vom 6. Februar 2009, 03:21 Uhr

Marine chronometer

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Marine chronometer
Chronometer movement

A marine chronometer is a timekeeper precise enough to be used as a portable time standard; it can therefore be used to determine longitude by means of celestial navigation. It is a highly accurate mechanical clock.