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2020-06-18_Sylvania_H38JA-10021N.jpg
 RLOD#34 (2020.06.18) 1979 Sylvania H38JA-100/NMax03/03/26 at 01:27Ria: @Max - Not sure now, thinking about it..! Will hav...
2020-06-18_Sylvania_H38JA-10021N.jpg
 RLOD#34 (2020.06.18) 1979 Sylvania H38JA-100/NMax02/03/26 at 23:52Tuopeek: Never saw a warm-white mercury lamp in the wild. I...
Flaming_arc.jpg
 Flaming arcMax02/03/26 at 23:46Tuopeek: Good capture, I'm sure it's bright. I tr...
2020-06-18_Sylvania_H38JA-10021N.jpg
 RLOD#34 (2020.06.18) 1979 Sylvania H38JA-100/NMax02/03/26 at 18:32Max: That would be nice if you indeed have that specifi...
tubeson_HVHF4.jpg
 electrodeless tubesTuopeek02/03/26 at 18:29Max: Tuopeek - That discharge color is quite consistent...
GE_2500L_145W_-_USA_1972.jpg
 1972 GE 2500L (6.6 A 147.2 W)Max02/03/26 at 18:25Max: I hear you about the horrible quality of some illu...
2020-06-18_Sylvania_H38JA-10021N.jpg
 RLOD#34 (2020.06.18) 1979 Sylvania H38JA-100/NMax02/03/26 at 13:51Ria: Interesting, thanks Max. I have one of these somew...
GE_2500L_145W_-_USA_1972.jpg
 1972 GE 2500L (6.6 A 147.2 W)Max02/03/26 at 02:05Ria: The problem with the erm.. "street lighting&q...
tubeson_HVHF4.jpg
 electrodeless tubesTuopeek02/03/26 at 02:02Ria: Fascinating, well done Mark Bulb Man
GE_2500L_145W_-_USA_1972.jpg
 1972 GE 2500L (6.6 A 147.2 W)Max01/03/26 at 21:37Tuopeek: I feel CCTV was the later driver for the whiter br...
tubeson_HVHF4.jpg
 electrodeless tubesTuopeek01/03/26 at 21:31Tuopeek: Thanks, I think the tube with the powder retrieve...
GE_2500L_145W_-_USA_1972.jpg
 1972 GE 2500L (6.6 A 147.2 W)Max01/03/26 at 21:03Max: Except for bicycle and dirt paths, we certainly ha...
tubeson_HVHF4.jpg
 electrodeless tubesTuopeek01/03/26 at 20:53Max: Very nice and creative, well done! The capacitance...
GE_2500L_145W_-_USA_1972.jpg
 1972 GE 2500L (6.6 A 147.2 W)Max28/02/26 at 01:07Ria: Ain't that the truth... Confused
GE_2500L_145W_-_USA_1972.jpg
 1972 GE 2500L (6.6 A 147.2 W)Max27/02/26 at 19:42Sammi: And now we're back to the same level of illum...
crookes.jpg
 Andrews Rapid Tuopeek24/02/26 at 22:01Tuopeek: Very observant Max, I hadn't actually spotted...
GE_2500L_145W_-_USA_1972.jpg
 1972 GE 2500L (6.6 A 147.2 W)Max24/02/26 at 08:17Max: It's quite mind boggling that 600-lumen lamps...
SOX180.jpg
 Osram 180w SOX Tuopeek24/02/26 at 08:07Max: Good question. I've not really paid attention...
Nafa_CoolBeam_100W_-_JP_l_90s.jpg
 Early-1990s NAFA CoolBeam 100WMax24/02/26 at 07:56Max: The life of hot-cathode discharge lamps is strongl...
crookes.jpg
 Andrews Rapid Tuopeek24/02/26 at 07:47Max: Your mishap certainly resulted in a spectacular ef...
half_coated_Hg.jpg
 Spectral Demonstration LampTuopeek24/02/26 at 07:39Max: Nice lamp. Those half-coated fluorescent tubes are...
Space_Munkys_at_Large.jpg
 Space Munkys at LargeSammi22/02/26 at 14:24Ria: Well worth the money Very Happy

Edit 04/06/26 - The b...
QL_85.jpg
 Philips QL driverTuopeek16/02/26 at 03:58Ria: Always wanted a QL, never managed to find one comp...
half_coated_Hg.jpg
 Spectral Demonstration LampTuopeek15/02/26 at 16:20Ria: Oh crivens... Mind Blown Mr. Green
Update 18/2/26: I...
half_coated_Hg.jpg
 Spectral Demonstration LampTuopeek15/02/26 at 09:55Tuopeek: Think so, Peter remembers Ria Very Happy
GE_2500L_145W_-_USA_1972.jpg
 1972 GE 2500L (6.6 A 147.2 W)Max14/02/26 at 06:11wide-lite 1000: Nice lamp . I have a 600L version .

I need to...
half_coated_Hg.jpg
 Spectral Demonstration LampTuopeek13/02/26 at 21:33Sammi: That is nice, Peter might be the chap we bought ou...
crookes.jpg
 Andrews Rapid Tuopeek13/02/26 at 19:14Sammi: I knew that we could count on Max for coming up wi...
SOX180.jpg
 Osram 180w SOX Tuopeek13/02/26 at 03:34Ria: I may be wrong, but I think only Philips had the m...
SOX180.jpg
 Osram 180w SOX Tuopeek12/02/26 at 12:25Tuopeek: Not sure when they introduced the mid tube support...
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