| 31. | It has a wheel train with a mechanical escapement.
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| 32. | If the escapement is half the optimum, then normal fishing looks like overfishing.
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| 33. | The verge was the only escapement used in clocks and watches for 350 years.
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| 34. | The pendulums in verge escapement clocks had very wide swings of 80?to 100?
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| 35. | Most tourbillons use standard Swiss lever escapements, but some have a detent escapement.
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| 36. | Most tourbillons use standard Swiss lever escapements, but some have a detent escapement.
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| 37. | The appropriate escapement was changed automatically as the time moved from day to night.
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| 38. | It had an escapement mechanism and no clockface.
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| 39. | Annual escapements possibly exceeded 100, 000 sockeye.
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| 40. | The jeweled lever-escapement watches were sold under the brand'Roamer '.
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