| 41. | Dent s chronometers accompanied some of the 19th century s most influential explorers.
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| 42. | Marine chronometers were as revolutionary in the 19th century as GPS is today.
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| 43. | After digging around his yard, Hank finds the golden chronometer for Vernon.
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| 44. | They will have a new design and amenities, and more accurate chronometers.
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| 45. | Stopwatches are now passe; computerized NASA-level chronometers now time American racehorses.
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| 46. | Englishman who invented the chronometer . ( b)
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| 47. | Spring-driven chronometers must be wound at about the same time each day.
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| 48. | This eliminates chronometer error and watch error corrections.
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| 49. | The new clock was potentially suitable for navigational uses ( longitude by chronometer ).
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| 50. | As the son of a Swiss horologist Guillaume took an interest in marine chronometers.
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