 Last comments - Tuopeek's Gallery
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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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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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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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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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Multi Vapor Halide Tuopeek16/11/25 at 11:42Tuopeek: Interesting, the lamp is essentially new, although...
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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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Mercury Halide (Multi-Metal lamp)Tuopeek15/11/25 at 07:31Max: So, all is good then 
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Mercury Halide (Multi-Metal lamp)Tuopeek14/11/25 at 20:37Tuopeek: Thanks for the information Max. It is very unlikel...
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Philips Black lightTuopeek14/11/25 at 18:48Max: I can't complain 
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Mercury Halide (Multi-Metal lamp)Tuopeek14/11/25 at 18:37Max: Iwasaki specifies the use of constant-wattage auto...
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Philips Black lightTuopeek13/11/25 at 16:11Tuopeek: Tremendous, to have such an unusual lamp in your c...
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Philips Black lightTuopeek13/11/25 at 10:15Max: High-pressure mercury arcs do emit some UV-C light...
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250w Black lightTuopeek13/11/25 at 09:52Max: The presence or not of lead in the glass bulb was,...
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HPS on DCTuopeek13/11/25 at 09:48Max: I know that the red fluorescence excited by blue l...
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Philips Black lightTuopeek12/11/25 at 18:25Tuopeek: That’s a fascinating UV lamp Max! Saying it also ...
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Black lightTuopeek12/11/25 at 18:24Tuopeek: Well spotted, it is indeed just fluorescence from ...
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250w Black lightTuopeek12/11/25 at 18:24Tuopeek: It does look like my H250BL is the later. The date...
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HPS on DCTuopeek12/11/25 at 18:21Tuopeek: Good use of an old HPS arc tube. I have one I keep...
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