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Miniature_lamps.jpg
A bunch of "miniature" lampsMax24/08/24 at 15:21Sammi: You and your photographic tricks.! Cool
SDW-T_100W_extreme.jpg
Spectral evolution of a sodium lampMax24/08/24 at 15:19Sammi: It would be interesting to see the images of the l...
Mercury_pressure.jpg
Emission spectrum of mercury lamps versus pressureMax24/08/24 at 14:13Sammi: Interesting information, thank you for sharing. 8...
SDW-T_100W_extreme.jpg
Spectral evolution of a sodium lampMax24/08/24 at 12:39Ria: Fascinating as always, Max. I've often wonder...
Norma_H4_TP_752170W_24V_-_FRG_1988.jpg
1988 Norma H4 T.P. 75/70WMax24/08/24 at 12:29Ria: For my part, as I said, it worked for me. Just as ...
Philips_15W_S58_-_NL_1943.jpg
1943 Philips 15S58 (110 V 15 W)Max24/08/24 at 12:24Max: I'm happy to be there, Ria Smile
Miniature_lamps.jpg
A bunch of "miniature" lampsMax24/08/24 at 12:21Max: They certainly are not small. The 3.5 kW HQI at th...
IMG_7807s.jpg
Homemade sky beamerMax24/08/24 at 12:15Max: No, I was really far from any major airport back t...
Westinghouse_C250-S5021DX4_-_USA_1979.jpg
1979 Westinghouse C250-S50/DX4Max24/08/24 at 12:10Max: That was a chance find in the archives at work. Yo...
Norma_H4_TP_752170W_24V_-_FRG_1988.jpg
1988 Norma H4 T.P. 75/70WMax24/08/24 at 12:06Max: I remember the constant debate we had in France ab...
torroid.JPG
Fun with plasmaTuopeek24/08/24 at 12:01Max: If your lamp is filled with argon, then there may ...
torroid.JPG
Fun with plasmaTuopeek24/08/24 at 09:31Tuopeek: Indeed Max, much harder to do this with a plasma g...
Norma_H4_TP_752170W_24V_-_FRG_1988.jpg
1988 Norma H4 T.P. 75/70WMax24/08/24 at 06:11Ria: I used to fit these H4 lamps with the French yello...
Westinghouse_C250-S5021DX4_-_USA_1979.jpg
1979 Westinghouse C250-S50/DX4Max24/08/24 at 03:55BT25: Max,
It's neat that you were able to find an...
Norma_H4_TP_752170W_24V_-_FRG_1988.jpg
1988 Norma H4 T.P. 75/70WMax23/08/24 at 23:53Sammi: Interesting, we've just got a set of lampses ...
IMG_7807s.jpg
Homemade sky beamerMax23/08/24 at 23:42Ria: Hope there are no aircraft in the vicinity Mind Blown
Miniature_lamps.jpg
A bunch of "miniature" lampsMax23/08/24 at 23:39Ria: Hello, not-so-little lampses Bulb Man
IMG_7807s.jpg
Homemade sky beamerMax23/08/24 at 23:11Sammi: That's a fearsome light.! Surprised Shocked :poo...
IMG_7807s.jpg
Homemade sky beamerMax23/08/24 at 22:54Tuopeek: I have a similar photo somewhere when shining a ov...
Coemar_Roundlux_750W_220V_-_BE_1991.jpg
1991 Coemar Roundlux 750WMax23/08/24 at 22:35Sammi: Thank you for the explanation. Bulb Man
Philips_15W_S58_-_NL_1943.jpg
1943 Philips 15S58 (110 V 15 W)Max23/08/24 at 22:35Ria: We're privileged to have you here Love
Philips_15W_S58_-_NL_1943.jpg
1943 Philips 15S58 (110 V 15 W)Max23/08/24 at 22:27Max: There are so many interesting things to share Wink
2-kW-mercs.jpg
BehemothsMax23/08/24 at 22:25Max: Those were once commonly used in Europe and Japan ...
Coemar_Roundlux_750W_220V_-_BE_1991.jpg
1991 Coemar Roundlux 750WMax23/08/24 at 22:24Max: No, that would create some complications due to th...
Sylvania2085W20Relumina.jpg
Sylvania 85W Relumina CMH Mercury Retrofit LampRia23/08/24 at 19:36Max: That Relumina was certainly a neat development!
Green_Russian_Neon.jpg
Green Russian Indicator 'neon' lampsesSammi23/08/24 at 19:11Ria: Thanks, we'll give it a try.
Green_Russian_Neon.jpg
Green Russian Indicator 'neon' lampsesSammi23/08/24 at 19:04Max: 13 kΩ should be fine for 120 V mains I think (I&#...
Green_Russian_Neon.jpg
Green Russian Indicator 'neon' lampsesSammi23/08/24 at 16:32Ria: We did try a resistor that size, but it got rather...
Green_Russian_Neon.jpg
Green Russian Indicator 'neon' lampsesSammi23/08/24 at 16:21Max: Interesting, such resistor is best suited for your...
20230114_154058.jpg
Philips MI80 / SXK36-E workingAgentHalogen_8723/08/24 at 05:53BT25: These are indeed interesting luminaires... :goldfi...
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