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1978 Tungsram HgMI 250/DMax
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1994 Osram HQI-TS 70W/WDL PlusMax
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1941 Osram HWA 500 (250 W / 220 V)Max
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70W High Pressure Sodium lampsTuopeek
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Crompton Medium Pressure mercury LampTuopeek
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Medium Pressure Mercury (MA/V)Tuopeek
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Medium Pressure Mercury Vapour amp Tuopeek
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Westinghouse 400w Mercury vapor lamp - LitBulbman256
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Clear induction lampMax
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The first and the lastMax
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2011 Philips UHP 400WMax
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Smallest UHP in operationMax
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Blue Soviet pixel tubeMax
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First Philips high-pressure sodium lampMax
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Mid-1990s Philips MSR 4000 HRMax
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1943 GEC MBF/V 80WMax
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Early-1980s Philips SOXS 18WMax
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