Last comments - Photo Gallery

Last comments

Genneper watermolenMax08/12/25 at 08:22Max: maybe they're there in his paintings and we j...

Sylvania BA 575/2 DE BriteArc LampRia08/12/25 at 08:21Max: A 700 W HPM ballast should have a right impedance ...

Soon-to-be memory laneMax07/12/25 at 16:03Sammi: Indeed we do. Cool

Genneper watermolenMax07/12/25 at 15:42Sammi: Or even SOX... SOX 35W

Sodium resistanceMax07/12/25 at 15:40Sammi: WOW.! Mind Blown

Sylvania BA 575/2 DE BriteArc LampRia07/12/25 at 14:38Ria: Hmmm, I'll think about it. What would you sug...

Sodium resistanceMax07/12/25 at 14:36Ria: Always loved railways, spent 15 years working for ...

Genneper watermolenMax07/12/25 at 14:35Ria: Oh wow, I can just imagine a van Gogh painting wit...

A bucolic strollMax07/12/25 at 14:34Ria: It's amazing, I just wish we had something si...

Soon-to-be memory laneMax07/12/25 at 14:33Ria: Sadly this is happening everywhere now Sad bulb icon

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Spectral lines Multi-vaporTuopeek07/12/25 at 05:54Max: I believe you. I use a combination of 100 W mercur...

Spectral lines Multi-vaporTuopeek06/12/25 at 11:10Tuopeek: Only on occasion. It's a cheerful warming lig...

1961 Philips SOI 60WMax06/12/25 at 05:24Max: It's always good to take old lamps out of the...

Spectral lines Multi-vaporTuopeek06/12/25 at 05:16Max: That's a fortunate accident indeed. Are you a...

Sylvania BA 575/2 DE BriteArc LampRia06/12/25 at 05:12Max: You should give it a shot still, it's always ...

1993 Philips C1500/ED37Max06/12/25 at 05:03Max: Many different lamps were built and tested at Phil...

Mid-1960s Philips Spectraal RbIIMax06/12/25 at 04:59Max: I agree, the rubidium discharge lamp is an interes...

1961 Philips SOI 60WMax05/12/25 at 20:42Ria: Wonderful old lamp, don't have many SOI ones,...

Spectral lines Multi-vaporTuopeek05/12/25 at 16:29Tuopeek: Thanks Max, perhaps a fortunate accident, as it ha...

SON under SOXTuopeek05/12/25 at 10:28Tuopeek: I bought an Iwasaki NHT150SDX some time as it also...

1961 Philips SOI 60WMax05/12/25 at 10:18Tuopeek: Very clean example of the SOI lamp, as usual Max. ...

Sylvania BA 575/2 DE BriteArc LampRia05/12/25 at 00:05Ria: Thanks, I think it'll stay a display lamp, th...

Self-ballasted S450BT37 during operationMax04/12/25 at 22:47Max: That S450BT37 certainly has a very nice design and...

Spectral lines Multi-vaporTuopeek04/12/25 at 22:41Max: Nice shot, and the spectrum insert is a very nice ...

Black light comparisonTuopeek04/12/25 at 22:35Max: Thank you for posting such a nice comparison. The ...

SON under SOXTuopeek04/12/25 at 22:30Max: Nice experiment! The sodium vapor in HPS lamps has...

Sylvania BA 575/2 DE BriteArc LampRia04/12/25 at 22:20Max: With an arc gap of 7 mm, it is more akin to HMIs w...

Sylvania BA 575/2 DE BriteArc LampRia04/12/25 at 17:17Tuopeek: Looks similar to the Sharxs HTI lamp I have, which...

Sylvania BA 575/2 DE BriteArc LampRia03/12/25 at 13:09Sammi: Yes, it would be nice to see it litted Cool

Mid-1960s Philips Spectraal RbIIMax28/11/25 at 16:44Ria: The rubidium lamp is our favourite, it's a be...

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