 Last comments
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Mid-1960s Philips Spectraal RbIIMax28/11/25 at 14:13Tuopeek: The rubidium discharge is quite fascinating and ha...
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SON under SOXTuopeek23/11/25 at 18:34Tuopeek: Thanks, Yes, I have often played with low pressure...
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SON under SOXTuopeek23/11/25 at 15:05Ria: Interesting. Seen SOX under SOX before, but never ...
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Black light comparisonTuopeek20/11/25 at 21:46Tuopeek: Thanks, Eye seemed to have the market in these ori...
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1993 Philips C1500/ED37Max19/11/25 at 02:40347vPowerlite: Interesting! I didn't know Philips experiment...
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Black light comparisonTuopeek19/11/25 at 02:35347vPowerlite: Interesting comparison! I have a generic 400w MV b...
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Spectral lines Multi-vaporTuopeek18/11/25 at 18:50Ria: Been there, done that
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Spectral lines Multi-vaporTuopeek18/11/25 at 17:03Tuopeek: Thanks Ria, I certainly had to suffer temporary bl...
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Black light comparisonTuopeek18/11/25 at 17:02Tuopeek: It's definitely a weird lamp. The mercury bit...
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Black light comparisonTuopeek17/11/25 at 20:01Sammi: You can certainly tell the difference in quality ...
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Spectral lines Multi-vaporTuopeek17/11/25 at 19:57Ria: Oh wow, this is amazing
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Self-ballasted S450BT37 during operationMax17/11/25 at 18:24AgentHalogen_87: That's a brilliant design having two filament...
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Multi Vapor Halide Tuopeek17/11/25 at 15:44Tuopeek: It was an eBay buy but I think from an electrical ...
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Multi Vapor Halide Tuopeek17/11/25 at 04:41Max: Did you buy it, or was it given to you? What you h...
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Self-ballasted S450BT37 during operationMax17/11/25 at 04:35Max: Thank you, you two!
Tuopeek - Dealing with thos...
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One good, one badTuopeek17/11/25 at 04:28Max: Interesting! Can you please post lit pictures of t...
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One good, one badTuopeek16/11/25 at 23:57Sammi: That's what I was thunking, if the enveplop i...
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One good, one badTuopeek16/11/25 at 21:15Tuopeek: Thanks Sammi, I now have to go and weigh these lam...
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One good, one badTuopeek16/11/25 at 20:35Sammi: IIRC, proper Woods glass weighs a good deal more. ...
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One good, one badTuopeek16/11/25 at 20:27Tuopeek: Just looks dark like 'Woods' but definit...
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One good, one badTuopeek16/11/25 at 19:41Ria: Hmmm, so what is the fake lamp made of then..? Not...
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Self-ballasted S450BT37 during operationMax16/11/25 at 17:29Ria: Great picture as always. Max
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Multi Vapor Halide Tuopeek16/11/25 at 11:42Tuopeek: Interesting, the lamp is essentially new, although...
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Self-ballasted S450BT37 during operationMax16/11/25 at 11:37Tuopeek: Great sharp crisp image there. I find it quite har...
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Linear HPSTuopeek16/11/25 at 10:07Max: Osram sourced its sodium arc tubes from NGK, and t...
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Multi Vapor Halide Tuopeek16/11/25 at 10:04Max: That's peculiar... standard GE MVR lamps are ...
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Breaking in a classicMax15/11/25 at 07:52Max: There's a lot to like with those little lamps...
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Mercury Halide (Multi-Metal lamp)Tuopeek15/11/25 at 07:31Max: So, all is good then
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