 Last comments
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Self-ballasted S450BT37 during operationMax04/12/25 at 23:47Max: That S450BT37 certainly has a very nice design and...
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Spectral lines Multi-vaporTuopeek04/12/25 at 23:41Max: Nice shot, and the spectrum insert is a very nice ...
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Black light comparisonTuopeek04/12/25 at 23:35Max: Thank you for posting such a nice comparison. The ...
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SON under SOXTuopeek04/12/25 at 23:30Max: Nice experiment! The sodium vapor in HPS lamps has...
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Sylvania BA 575/2 DE BriteArc LampRia04/12/25 at 23:20Max: With an arc gap of 7 mm, it is more akin to HMIs w...
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Sylvania BA 575/2 DE BriteArc LampRia04/12/25 at 18:17Tuopeek: Looks similar to the Sharxs HTI lamp I have, which...
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Sylvania BA 575/2 DE BriteArc LampRia03/12/25 at 14:09Sammi: Yes, it would be nice to see it litted
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Mid-1960s Philips Spectraal RbIIMax28/11/25 at 17:44Ria: The rubidium lamp is our favourite, it's a be...
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Mid-1960s Philips Spectraal RbIIMax28/11/25 at 15:13Tuopeek: The rubidium discharge is quite fascinating and ha...
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SON under SOXTuopeek23/11/25 at 19:34Tuopeek: Thanks, Yes, I have often played with low pressure...
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SON under SOXTuopeek23/11/25 at 16:05Ria: Interesting. Seen SOX under SOX before, but never ...
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Black light comparisonTuopeek20/11/25 at 22:46Tuopeek: Thanks, Eye seemed to have the market in these ori...
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1993 Philips C1500/ED37Max19/11/25 at 03:40347vPowerlite: Interesting! I didn't know Philips experiment...
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Black light comparisonTuopeek19/11/25 at 03:35347vPowerlite: Interesting comparison! I have a generic 400w MV b...
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Spectral lines Multi-vaporTuopeek18/11/25 at 19:50Ria: Been there, done that
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Spectral lines Multi-vaporTuopeek18/11/25 at 18:03Tuopeek: Thanks Ria, I certainly had to suffer temporary bl...
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Black light comparisonTuopeek18/11/25 at 18:02Tuopeek: It's definitely a weird lamp. The mercury bit...
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Black light comparisonTuopeek17/11/25 at 21:01Sammi: You can certainly tell the difference in quality ...
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Spectral lines Multi-vaporTuopeek17/11/25 at 20:57Ria: Oh wow, this is amazing
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Self-ballasted S450BT37 during operationMax17/11/25 at 19:24AgentHalogen_87: That's a brilliant design having two filament...
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Multi Vapor Halide Tuopeek17/11/25 at 16:44Tuopeek: It was an eBay buy but I think from an electrical ...
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Multi Vapor Halide Tuopeek17/11/25 at 05:41Max: 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 05:35Max: Thank you, you two!
Tuopeek - Dealing with thos...
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One good, one badTuopeek17/11/25 at 05:28Max: Interesting! Can you please post lit pictures of t...
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One good, one badTuopeek17/11/25 at 00:57Sammi: That's what I was thunking, if the enveplop i...
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One good, one badTuopeek16/11/25 at 22:15Tuopeek: Thanks Sammi, I now have to go and weigh these lam...
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One good, one badTuopeek16/11/25 at 21:35Sammi: IIRC, proper Woods glass weighs a good deal more. ...
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One good, one badTuopeek16/11/25 at 21:27Tuopeek: Just looks dark like 'Woods' but definit...
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