Philips HPL-pro 50W-first dicharge lamp on the new test bench227 views2 commentsAlex26/07/25 at 16:42Andy: That’s a great test bench you have built Alex! I c...
Philips HPL-pro 50W-first dicharge lamp on the new test bench227 views2 commentsAlex24/07/25 at 19:41Olav: My great respect. Working on an object for two and...
209 views1 commentsAlex18/06/25 at 11:44AngryHorse: Nice to see a 400 , I’ve only ever come acros...
OSRAM HQI-TM 600W235 views2 commentsAlex18/06/25 at 11:37AngryHorse: Yes thats a huge amount of heat incased in a tiny ...
OSRAM HQI-TM 600W235 views2 commentsAlex17/06/25 at 18:11Flurofan96: The arc tube does not have the zirconium silicate/...
Osram HBO 50/3222 views2 commentsAlex09/06/25 at 09:09AngryHorse: If you zoom in you can see the point of the cathod...
Philips SPP 1000W Pulsed super high pressure mercury projector lamp263 views2 commentsAlex09/06/25 at 09:04AngryHorse: Yes, you can just tell by how this is made it’s go...
Philips SPP 1000W Pulsed super high pressure mercury projector lamp263 views2 commentsAlex07/06/25 at 21:09Andy: That's an impressive tiny lamp Alex! I'v...
Thorn M1 Low voltage mercury UV source435 views5 commentsAlex04/06/25 at 20:04Andy: That's an interesting lamp that I was unaware...
Thorn M1 Low voltage mercury UV source435 views5 commentsAlex04/06/25 at 18:28Slyspark: Ah, yes, I spose it might blacken the glass quite ...
Thorn M1 Low voltage mercury UV source435 views5 commentsAlex04/06/25 at 09:39Beta 5: Nice little lamp, have you lit it at all? Fascinat...
Thorn M1 Low voltage mercury UV source435 views5 commentsAlex04/06/25 at 06:10Alex: I personally think that the limiting factor is not...
Thorn M1 Low voltage mercury UV source435 views5 commentsAlex03/06/25 at 18:23Slyspark: Interesting. 200hrs is a very short lifespan for ...
2008 Osram Parathom R50 green245 views2 commentsAlex03/06/25 at 12:45Alex: Yes. However the very first incandescent werent pa...
Osram HQI-TS Excellance blue406 views4 commentsAlex03/06/25 at 12:38Alex: A lamp i am still after is the hqi-ts excellence i...
PHILIPS COSMOGOLD 65 and 140W SON lamps488 views7 commentsAlex01/05/25 at 14:30dor123: I didn't know that the Cosmowhite have low ig...
1963 BGW HQA 125W inside frosted high pressure mercury lamp401 views4 commentsAlex13/04/25 at 18:05Flurofan96: Another beautiful pearl coated non phosphor coated...
1963 BGW HQA 125W inside frosted high pressure mercury lamp401 views4 commentsAlex12/04/25 at 20:14Kev: That’s really really nice
1963 BGW HQA 125W inside frosted high pressure mercury lamp401 views4 commentsAlex11/04/25 at 17:51Andy: This is a lovely lamp Alex. I was lucky enough to ...
1963 BGW HQA 125W inside frosted high pressure mercury lamp401 views4 commentsAlex11/04/25 at 17:06Olav: After consultation with Alex, I am adding a second...
antique discharge lamps454 views6 commentsAlex09/04/25 at 17:51Alex: Yes, with this lamp p_v is rather low. Maybe in so...
antique discharge lamps454 views6 commentsAlex08/04/25 at 21:45Andy: Yes, I’m not sure just how hot Dor thinks the arc ...
antique discharge lamps454 views6 commentsAlex08/04/25 at 10:24Alex: why should it melt? The as discharge is not hot en...
antique discharge lamps454 views6 commentsAlex08/04/25 at 08:14dor123: Strange that in the GE H-2 with the bare arctube, ...
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