| 41. | The fog signal was also discontinued at this time.
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| 42. | The station and the fog signal were electrified four years later, but discontinued in 1961.
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| 43. | A steam fog signal was also installed . which was thereafter replaced by a diaphone.
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| 44. | A fog signal consisting of a single blast may be sounded every 30 seconds if needed.
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| 45. | The fog signal is still in service today.
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| 46. | In 1915, the fog signal building was constructed.
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| 47. | The fog signal was finally discontinued in 1995.
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| 48. | Fog signal permanently discontinued from May 11, 2011.
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| 49. | The fog signal was discontinued in the 1980s.
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| 50. | The old fog signal was a 5-minute cannon.
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