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|Look up chronometer or chronoscope in Wiktionary, the free dictionary.|
Chronometer or Chronoscope may refer to:
- COSC certified chronometer, a Swiss watch certified by the COSC
- Observatory Chronometer, a device certified by an observatory to be extremely accurate
- Marine chronometer, a timekeeper used for marine navigation
- Railroad chronometer, a specialized timepiece once used for safe operation of trains
- Chronometer of Loulie, a precursor to the metronome
- Chronoscope or Time viewer, a fictional, oracle-like device occasionally employed in science fiction
- Longines Chronoscope, an American television program from 1951–1955
See also 
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