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Last comments - Thermal discharge lamps
Osram_HQI-TS_250W21WDL_-_D_2007.jpg
 2007 Osram HQI-TS 250W/WDLMax08/01/26 at 11:38Max: You're right, it's not only the electrod...
Osram_HQI-TS_250W21WDL_-_D_2007.jpg
 2007 Osram HQI-TS 250W/WDLMax07/01/26 at 18:40Tuopeek: I have an Osram HQI-TS 250W/NDL in my collection a...
Mazda_MAF_700W_RV_-_FR_1972_a.jpg
 1972 Mazda MAF 700W RVMax29/12/25 at 09:15Max: A saw quite a few of those in the wild back then, ...
Mazda_MAF_700W_RV_-_FR_1972_a.jpg
 1972 Mazda MAF 700W RVMax28/12/25 at 20:26Tuopeek: Never found a 700W mercury in the wild, they seeme...
Philips_C150021ED37_-_USA_1993.jpg
 1993 Philips C1500/ED37Max06/12/25 at 05:03Max: Many different lamps were built and tested at Phil...
Philips_C150021ED37_-_USA_1993.jpg
 1993 Philips C1500/ED37Max19/11/25 at 02:40347vPowerlite: Interesting! I didn't know Philips experiment...
Philips_C150021ED37_-_USA_1993.jpg
 1993 Philips C1500/ED37Max13/11/25 at 10:12Max: Thank you, Ria. Yes, the C1000/ED37 was available ...
Philips_C150021ED37_-_USA_1993.jpg
 1993 Philips C1500/ED37Max12/11/25 at 20:56Ria: Fascinating, thanks Max. I've never seen a la...
Tesla_RVY_250W_-_CZK_1969.jpg
 1969 Tesla RVY 250WMax05/10/25 at 09:02Max: Thank you, Ria, I'm happy to be here Smile

RV...
Tesla_RVY_250W_-_CZK_1969.jpg
 1969 Tesla RVY 250WMax04/10/25 at 12:54Ria: Wow..! Want one..! Mr. Green
You do keep coming...
Philips_S1000_-_NL_1999.jpg
 1999 Philips S1000Max07/08/25 at 20:05Tuopeek: Thanks for the pointers. This gives me some ideas ...
Philips_S1000_-_NL_1999.jpg
 1999 Philips S1000Max07/08/25 at 15:50Max: Nice experiment! You definitely want to increase t...
Philips_S1000_-_NL_1999.jpg
 1999 Philips S1000Max07/08/25 at 15:09Tuopeek: I need to have another go with this. I had tried b...
Philips_S1000_-_NL_1999.jpg
 1999 Philips S1000Max07/08/25 at 05:36Max: Those lamps were certainly not available at your l...
Philips_S1000_-_NL_1999.jpg
 1999 Philips S1000Max06/08/25 at 00:22Ria: It's certainly one I've never heard of b...
Philips_S1000_-_NL_1999.jpg
 1999 Philips S1000Max05/08/25 at 09:54Tuopeek: This is a fascinating lamp, and thanks for the inf...
CEW_DAK5021WFL_-_JP_1993.jpg
 1993 CEW DAK50/WFLMax04/05/25 at 08:54Max: Yes, that's definitely not a usual "ligh...
CEW_DAK5021WFL_-_JP_1993.jpg
 1993 CEW DAK50/WFLMax03/05/25 at 13:15AgentHalogen_87: Wow that is a strange one! Interesting to see that...
CEW_DAK5021WFL_-_JP_1993.jpg
 1993 CEW DAK50/WFLMax03/05/25 at 09:59Max: Thanks for the comments, this is an interesting la...
CEW_DAK5021WFL_-_JP_1993.jpg
 1993 CEW DAK50/WFLMax02/05/25 at 05:03Cobrahead: Nice lamp Max! I remember seeing these back in the...
CEW_DAK5021WFL_-_JP_1993.jpg
 1993 CEW DAK50/WFLMax01/05/25 at 23:26347vPowerlite: I've always found these retrofits interesting...
GE_Maza_A-H4_-_USA_1945_a.jpg
 1945 GE-Mazda A-H4Max28/01/25 at 16:32Ria: Thanks, Max. Every little helps, as a certain UK s...
GE_Maza_A-H4_-_USA_1945_a.jpg
 1945 GE-Mazda A-H4Max27/01/25 at 19:57Max: Thanks! And they never bore the "R" afte...
GE_Maza_A-H4_-_USA_1945_a.jpg
 1945 GE-Mazda A-H4Max27/01/25 at 01:30Bulbman256: Very nice specimen you have here Max. Cool I was l...
GE_Maza_A-H4_-_USA_1945_a.jpg
 1945 GE-Mazda A-H4Max26/01/25 at 23:50Ria: We have a GE H100A4/T which looks similar to this,...
Thorn_MB21U_400W_-_UK_1969.jpg
 1969 Thorn MB/U 400WMax19/12/24 at 23:54Max: As far as I know, Thorn was the only lampmaker to ...
Thorn_MB21U_400W_-_UK_1969.jpg
 1969 Thorn MB/U 400WMax14/12/24 at 21:58Ria: Same here, I also have the 250W version Tubular MV
Thorn_MB21U_400W_-_UK_1969.jpg
 1969 Thorn MB/U 400WMax14/12/24 at 20:41Tuopeek: I have a late 250W Thorn lamp of this kind also wi...
GE_MXR17521BD_-_USA_1985.jpg
 1985 GE MXR175/BDMax14/12/24 at 16:44Ria: Awwww, shucks Love Embarrassed
GE_MXR17521BD_-_USA_1985.jpg
 1985 GE MXR175/BDMax14/12/24 at 16:29Max: It's a privilege to be here, Ria.
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