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Last comments - Mercury Vapour
half_coated_Hg.jpg
Spectral Demonstration LampTuopeek24/02/26 at 06:39Max: Nice lamp. Those half-coated fluorescent tubes are...
half_coated_Hg.jpg
Spectral Demonstration LampTuopeek15/02/26 at 15:20Ria: Oh crivens... Mind Blown Mr. Green
Update 18/2/26: I...
half_coated_Hg.jpg
Spectral Demonstration LampTuopeek15/02/26 at 08:55Tuopeek: Think so, Peter remembers Ria Very Happy
half_coated_Hg.jpg
Spectral Demonstration LampTuopeek13/02/26 at 20:33Sammi: That is nice, Peter might be the chap we bought ou...
HPLR400.jpg
Mercury lampTuopeek12/12/25 at 08:17Max: At that time it was customary for Philips to fit t...
BL_g_by.jpg
Black light comparisonTuopeek04/12/25 at 22:35Max: Thank you for posting such a nice comparison. The ...
BL_g_by.jpg
Black light comparisonTuopeek20/11/25 at 21:46Tuopeek: Thanks, Eye seemed to have the market in these ori...
BL_g_by.jpg
Black light comparisonTuopeek19/11/25 at 02:35347vPowerlite: Interesting comparison! I have a generic 400w MV b...
BL_g_by.jpg
Black light comparisonTuopeek18/11/25 at 17:02Tuopeek: It's definitely a weird lamp. The mercury bit...
BL_g_by.jpg
Black light comparisonTuopeek17/11/25 at 20:01Sammi: You can certainly tell the difference in quality ...
BL400.jpg
One good, one badTuopeek17/11/25 at 04:28Max: Interesting! Can you please post lit pictures of t...
BL400.jpg
One good, one badTuopeek16/11/25 at 23:57Sammi: That's what I was thunking, if the enveplop i...
BL400.jpg
One good, one badTuopeek16/11/25 at 21:15Tuopeek: Thanks Sammi, I now have to go and weigh these lam...
BL400.jpg
One good, one badTuopeek16/11/25 at 20:35Sammi: IIRC, proper Woods glass weighs a good deal more. ...
BL400.jpg
One good, one badTuopeek16/11/25 at 20:27Tuopeek: Just looks dark like 'Woods' but definit...
BL400.jpg
One good, one badTuopeek16/11/25 at 19:41Ria: Hmmm, so what is the fake lamp made of then..? Not...
PH_BL125.jpg
Philips Black lightTuopeek14/11/25 at 18:48Max: I can't complain Wink
PH_BL125.jpg
Philips Black lightTuopeek13/11/25 at 16:11Tuopeek: Tremendous, to have such an unusual lamp in your c...
PH_BL125.jpg
Philips Black lightTuopeek13/11/25 at 10:15Max: High-pressure mercury arcs do emit some UV-C light...
250BL.jpg
250w Black lightTuopeek13/11/25 at 09:52Max: The presence or not of lead in the glass bulb was,...
PH_BL125.jpg
Philips Black lightTuopeek12/11/25 at 18:25Tuopeek: That’s a fascinating UV lamp Max! Saying it also ...
bkl1.jpg
Black lightTuopeek12/11/25 at 18:24Tuopeek: Well spotted, it is indeed just fluorescence from ...
250BL.jpg
250w Black lightTuopeek12/11/25 at 18:24Tuopeek: It does look like my H250BL is the later. The date...
PH_BL125.jpg
Philips Black lightTuopeek12/11/25 at 07:48Max: Philips made a few oddball blacklight mercury lamp...
250BL.jpg
250w Black lightTuopeek12/11/25 at 07:39Max: I can confirm that, the H400BL is quite a beast. I...
bkl1.jpg
Black lightTuopeek12/11/25 at 07:25Max: Nice picture and nice lamp! I like the use of the ...
bkl1.jpg
Black lightTuopeek11/11/25 at 01:26Ria: Yes, it's a standard 80W lamp but with Woods ...
250BL.jpg
250w Black lightTuopeek10/11/25 at 21:11Tuopeek: The 400W EYE BL is still available, although getti...
bkl1.jpg
Black lightTuopeek10/11/25 at 21:08Tuopeek: Is that an 80w MB type requiring an external balla...
250BL.jpg
250w Black lightTuopeek10/11/25 at 21:06Ria: Not got anything above 125W in blacklight form.
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