| 21. | The perforated metal panels are lit from below with white, green and black fluorescent tubes.
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| 22. | Tachistoscopes used dc powered fluorescent tubes with electronic controls.
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| 23. | That would be the art of Dan Flavin, the American avatar of the fluorescent tube.
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| 24. | The lighting was redone with gels over fluorescent tubes.
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| 25. | A broken fluorescent tube will release its mercury content.
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| 26. | The marquee was also back-lit using fluorescent tube lighting.
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| 27. | But thanks to advances in triphosphor chemistry, color-correcting fluorescent tubes now provide a warmer light.
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| 28. | So LEDs seem the best for smaller torches, fluorescent tubes for larger battery powered area lighting.
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| 29. | In this sequence they are also dancing with the dancers but with white fluorescent tubes, too.
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| 30. | Scintillators generate light in fluorescent tubes, to convert the ultra-violet of the discharge into visible light.
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