| 21. | The light is occulting, with a range of; a foghorn was installed in the early twentieth century.
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| 22. | For example, a NASA Astronomy Picture of the Day refers to the Moon eclipsing and occulting Saturn interchangeably.
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| 23. | The light emits white, red or green light, depending on direction, occulting twice every 10 seconds.
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| 24. | The lighthouse shines white, red, or green light depending on direction, occulting twice every 8 seconds.
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| 25. | The character of the light was occulting 20s ( on for 15 seconds and off for 5 seconds ).
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| 26. | The occulting light flashes red, white, or green depending on the direction from which it is viewed.
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| 27. | The first revolving light was fitted to the Swin Middle lightvessel in 1837 : others used occulting or flashing lights.
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| 28. | The light characteristic shown was occulting for two seconds every 12 seconds during flood tide and fixed during the ebb.
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| 29. | The light emits a white, red or green light ( depending on direction ) occulting twice every 8 seconds.
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| 30. | The light emits a white, red or green light, depending on direction, occulting twice every 8 seconds.
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