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-_Na21T_200W-3_-_FRG_1966_a.jpg
 1966 Osram NA/T 200W-3Max09/16/24 at 23:13Ria: Always loved linear sodium lamps, this one is real...
-_Na21T_200W-3_-_FRG_1966_a.jpg
 1966 Osram NA/T 200W-3Max09/15/24 at 17:45Tuopeek: Very interesting lamp. So, although the same watt...
-_Na21T_200W-3_-_FRG_1966_a.jpg
 1966 Osram NA/T 200W-3Max09/15/24 at 09:03AgentHalogen_87: Very nice intricate construction Smile
Philips_IRC-GLS_60W_-_NL_1982.jpg
 1982 Philips IRC-GLS 60 WMax09/15/24 at 07:17Max: I know Wink
2020-05-09_Westinghouse_E-H1.jpg
 RLOD#5 (2020.05.09) 1953 Westinghouse E-H1Max09/15/24 at 07:15Max: Well, there's no hurry, so take your time. Pe...
_IMG8576.jpg
 Testing a rare white sodium lampMax09/15/24 at 07:14Max: Even £50 is too much for such luminaire in my opin...
Philips_IRC-GLS_60W_-_NL_1982.jpg
 1982 Philips IRC-GLS 60 WMax09/14/24 at 22:26Ria: It's to do with the supply voltage, I think. ...
2020-05-09_Westinghouse_E-H1.jpg
 RLOD#5 (2020.05.09) 1953 Westinghouse E-H1Max09/14/24 at 22:23Ria: I've got lots of photos to upload, I have all...
_IMG8576.jpg
 Testing a rare white sodium lampMax09/14/24 at 22:21Ria: I saw one on eBay once, they wanted £60 for it and...
2020-05-09_Westinghouse_E-H1.jpg
 RLOD#5 (2020.05.09) 1953 Westinghouse E-H1Max09/14/24 at 19:05Max: Illumination (pun intended) is the point of having...
Philips_IRC-GLS_60W_-_NL_1982.jpg
 1982 Philips IRC-GLS 60 WMax09/14/24 at 19:04Max: I like those GLS lamps too, their design is so ele...
_IMG8576.jpg
 Testing a rare white sodium lampMax09/14/24 at 19:02Max: There should be some old ones available on e-bay, ...
sunlux220s.jpg
 220W Sunlux Ultra AceTuopeek09/14/24 at 18:49Max: I really like those high-end Japanese HID lamps, t...
2020-05-09_Westinghouse_E-H1.jpg
 RLOD#5 (2020.05.09) 1953 Westinghouse E-H1Max09/13/24 at 22:38Ria: Indeed, you certainly do come up with some amazing...
Scary.jpg
 Scary..!Ria09/13/24 at 21:46wide-lite 1000: Looks like a golf ball launcher ! Laughing
2020-05-09_Westinghouse_E-H1.jpg
 RLOD#5 (2020.05.09) 1953 Westinghouse E-H1Max09/13/24 at 21:43wide-lite 1000: Wonderful old specimen Max !
bat_cell_tester_s.jpg
 Cell testerTuopeek09/12/24 at 22:40Ria: What an interesting little device, not come across...
Philips_IRC-GLS_60W_-_NL_1982.jpg
 1982 Philips IRC-GLS 60 WMax09/11/24 at 17:20Ria: Fascinating as ever, Max Bulb Man

I've ...
_IMG8576.jpg
 Testing a rare white sodium lampMax09/11/24 at 17:17Ria: Very nice, I have a few crown-silver incandescent ...
Mercury_pressure.jpg
 Emission spectrum of mercury lamps versus pressureMax09/11/24 at 17:16Max: I could have obtained all three spectra using a si...
SDW-T_100W_extreme.jpg
 Spectral evolution of a sodium lampMax09/11/24 at 17:12Max: Yes, it's quite something seeing the sodium l...
_DSC2776m.jpg
 Deuterium source lamphouseMax09/11/24 at 17:10Max: Maybe, but he came up with good ideas on his own.
_DSC2808m.jpg
 Deuterium reference lamp systemMax09/11/24 at 17:09Max: So, it's a simple question of priority then ;...
Mercury_pressure.jpg
 Emission spectrum of mercury lamps versus pressureMax09/11/24 at 16:44Tuopeek: Nice Pressure spectral line broadening demo. Zeem...
SDW-T_100W_extreme.jpg
 Spectral evolution of a sodium lampMax09/10/24 at 08:49Tuopeek: Dark space broadening is indeed fascinating and to...
_DSC2776m.jpg
 Deuterium source lamphouseMax09/09/24 at 21:31Sammi: He had a good teacher.! Cool
_DSC2808m.jpg
 Deuterium reference lamp systemMax09/09/24 at 21:29Sammi: Our kitchen is too small to have a table in it... ...
_DSC2788m.jpg
 Deuterium lamp in operationMax09/09/24 at 20:31Max: Thanks, Ria, glad you like this.
_DSC2776m.jpg
 Deuterium source lamphouseMax09/09/24 at 20:31Max: The student certainly did a good job with the lamp...
test-setup.jpg
 Lamp test setupMax09/09/24 at 20:30Max: Depends on your application, but if you want to pr...
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