 Last comments
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Philips Ceramalux C150S63/Retrolux347vPowerlite24/09/25 at 23:18347vPowerlite: I just did, OCV on the ballast in question is 231V...
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150w General Electric Dichroic Spot Lamps wide-lite 100024/09/25 at 16:34Sammi: We've asked a local disco lighting shop to so...
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General Electric 100w 12v PAR-38 Mine Lamp wide-lite 100024/09/25 at 15:02Ria: It says on the box, it's a mine floodlamp. We...
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150w General Electric Dichroic Spot Lamps wide-lite 100024/09/25 at 15:01Ria: Wow, these are amazing, I never knew they were mad...
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1984 Philips SOXD-E 18WMax24/09/25 at 09:50Max: That's certainly not a common sight, especial...
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150w General Electric Dichroic Spot Lamps wide-lite 100024/09/25 at 09:28Max: Nice lamps! GE listed its DichroColor PAR38 lamps ...
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General Electric 100w 12v PAR-38 Mine Lamp wide-lite 100024/09/25 at 09:19Max: Headlamp? You mean as a vehicle headlight (or work...
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1984 Philips SOXD-E 18WMax23/09/25 at 12:38Ria: It always fascinates me to see a LPS lamp with a s...
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1984 Philips SOXD-E 18WMax22/09/25 at 11:28Tuopeek: Another amazing bit of lamp development we never g...
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Helium-Neon LaserTuopeek21/09/25 at 17:22Max: The He-Ne lasing medium has a much narrower amplif...
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1996 Philips TL-D 18W 521-840Max21/09/25 at 16:42Max: Thanks! The research and development behind that o...
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Early-1990s Philips TUV 16W HFMax21/09/25 at 16:40Max: That one is really special, so enjoy 
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Helium-Neon LaserTuopeek21/09/25 at 16:28Tuopeek: Think I just used an aerosol to show the beam. Go...
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Helium-Neon LaserTuopeek21/09/25 at 14:41Max: Nice shot, Mark! That brings back some good memori...
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Philips HPV 16W demoMax20/09/25 at 15:58Max: True, such low-wattage induction lamps were never ...
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RLOD#18 (2020.05.24) 1985 Philips ML-C 160WMax20/09/25 at 14:43Max: Same here, except that E27 is our standard medium-...
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RLOD#21 (2020.05.27) 1986 Narva HgE/3Max19/09/25 at 23:13Max: It's the later 9-pin radio-tube design indeed...
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Display/Demo Board for Philips 4ft 40W TL-X LampRia19/09/25 at 18:32Sammi: I made good use of this to rout out a channel to r...
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RLOD#21 (2020.05.27) 1986 Narva HgE/3Max19/09/25 at 11:42Tuopeek: It seems quite common for early lamps to have adop...
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Westinghouse Mazda A-H1 400W Medium Pressure MV LampRia18/09/25 at 19:56Max: That's a real shame given how rare those lamp...
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Fun with vacuum and high voltageMax18/09/25 at 19:54Max: Heat is a problem indeed. Even a proper glue suita...
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Westinghouse 450W Clear SBMV LampRia14/09/25 at 21:40wide-lite 1000: Nice Ria ! I got one of these from Eric aswell !
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Westinghouse Mazda A-H1 400W Medium Pressure MV LampRia14/09/25 at 21:25wide-lite 1000: Beautiful lamp Ria !! I was supposed to get one of...
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Fun with vacuum and high voltageMax14/09/25 at 14:30Tuopeek: I have had some success salvaging seals by adding ...
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GEC 60W SLI/H 1Max14/09/25 at 06:41Max: The 5-leaf one is very rare indeed.
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Two classics from a bygone eraMax14/09/25 at 06:34Max: Thanks! With your usual "don't fix it ti...
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Classic American 100W BT25 mercury lamp in operationMax14/09/25 at 06:31Max: Me too, especially it this BT25 configuration with...
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Impact of mercury (and lack thereof) on the design of HPS lampsMax14/09/25 at 06:25Max: The physics behind the high-pressure sodium lamp i...
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