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late 1970’s early 1980’s Philips TW 6W 220-240V Blacklight Blue lamp148 views2 commentsAlex20/04/26 at 13:54Lightbulbfun: very cool to see a proper picture of one of these ...

1994 Philips HPR 125W Hard Glass UV lamp129 views2 commentsAlex20/04/26 at 12:27Alex: Yes both soft and hard glass block harmfull UV-C r...

1994 Philips HPR 125W Hard Glass UV lamp129 views2 commentsAlex20/04/26 at 10:29AngryHorse: I’m guessing the hard glass also is effective for ...

late 1970’s early 1980’s Philips TW 6W 220-240V Blacklight Blue lamp148 views2 commentsAlex14/04/26 at 08:14dor123: You can see the neon red glow discharge through th...

Thorn M1 Low voltage mercury UV source818 views5 commentsAlex04/06/25 at 21:04Andy: That's an interesting lamp that I was unaware...

Thorn M1 Low voltage mercury UV source818 views5 commentsAlex04/06/25 at 19:28Slyspark: Ah, yes, I spose it might blacken the glass quite ...

Thorn M1 Low voltage mercury UV source818 views5 commentsAlex04/06/25 at 10:39Beta 5: Nice little lamp, have you lit it at all? Fascinat...

Thorn M1 Low voltage mercury UV source818 views5 commentsAlex04/06/25 at 07:10Alex: I personally think that the limiting factor is not...

Thorn M1 Low voltage mercury UV source818 views5 commentsAlex03/06/25 at 19:23Slyspark: Interesting. 200hrs is a very short lifespan for ...

Osram Ultramed 2000W 380V811 views5 commentsAlex04/03/25 at 10:08dor123: @Kev: Your lamps are for stadiums. This one is for...

Osram Ultramed 2000W 380V811 views5 commentsAlex04/03/25 at 09:10Alex: Id like to know that as well. Sadly test bench not...

Osram Ultramed 2000W 380V811 views5 commentsAlex04/03/25 at 08:41dor123: What is the halide chemistry of this lamp?

Osram Ultramed 2000W 380V811 views5 commentsAlex04/03/25 at 07:50Alex: Yes this is a very high quality lamp. Which lamps ...

Osram Ultramed 2000W 380V811 views5 commentsAlex03/03/25 at 20:29Kev: Probably a better lamp than the modern ones where ...

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