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early 1910's Edison GEM 50W Carbon filament lamp222 views2 commentsAlex09/05/26 at 09:32AngryHorse: 1910 and it’s still working!, beat that LED! Razz

1996 Osram SON-R 400W full power 290 views3 commentsAlex05/05/26 at 23:55Flurofan96: So cool you got this and that SON-R lamp is the sa...

Thorn SON-TD 250W Ignition277 views3 commentsAlex05/05/26 at 23:25Slyspark: That is rather nice!

1996 Osram SON-R 400W after start up227 views1 commentsAlex05/05/26 at 16:38FrontSideBus: The snap starter does make a nice noise Smile

1996 Osram SON-R 400W full power 290 views3 commentsAlex05/05/26 at 16:35FrontSideBus: To be honest, I'd rather work under sodium th...

1996 Osram SON-R 400W full power 290 views3 commentsAlex05/05/26 at 15:46AngryHorse: Cool Cool

, didn’t know mercury gear ran these wit...

Thorn SON-TD 250W358 views5 commentsAlex03/05/26 at 13:26Lightbulbfun: as mentioned these SON-TD lamps need to be run in ...

Thorn SON-TD 250W358 views5 commentsAlex03/05/26 at 13:09AngryHorse: Yes, it’s strange how free air affects these lamps...

Thorn SON-TD 250W Ignition277 views3 commentsAlex03/05/26 at 13:07AngryHorse: Indeed, beautiful colours Cool

Thorn SON-TD 250W358 views5 commentsAlex03/05/26 at 10:33FrontSideBus: Any enclosed 1000w halogen fitting should do. The ...

Thorn SON-TD 250W358 views5 commentsAlex03/05/26 at 10:31Alex: easier said than done, i will need to build/conver...

Thorn SON-TD 250W Ignition277 views3 commentsAlex03/05/26 at 10:30FrontSideBus: Nice Smile

Thorn SON-TD 250W358 views5 commentsAlex03/05/26 at 10:29FrontSideBus: You may wish to try this in a fitting and repeat t...

OSRAM HQI-TM 600W701 views5 commentsAlex02/05/26 at 10:27FrontSideBus: These are quite special lamps!

2014 Osram HQI-TM 600W single ended compact qmh lamp after war up217 views2 commentsAlex02/05/26 at 09:59Alex: yes, there is a green phase but not as potent as w...

2014 Osram HQI-TM 600W single ended compact qmh lamp after war up217 views2 commentsAlex01/05/26 at 19:16dor123: Is this lamp passes green thallium colour during r...

2014 Osram HQI-TM 600W single ended compact qmh lamp after switch off203 views3 commentsAlex01/05/26 at 18:52Alex: i think thats more of a photo artefact, rich

2014 Osram HQI-TM 600W single ended compact qmh lamp after switch off203 views3 commentsAlex01/05/26 at 18:49AngryHorse: That’s a lot of heat situated near the pip seal, o...

2014 Osram HQI-TM 600W single ended compact qmh lamp hot restrique293 views3 commentsAlex01/05/26 at 18:43AngryHorse: You can see the tiny streamers, desperately reachi...

2014 Osram HQI-TM 600W single ended compact qmh lamp hot restrique293 views3 commentsAlex01/05/26 at 12:31dor123: Strange that after 3 mins of cooling down, the glo...

2014 Osram HQI-TM 600W single ended compact qmh lamp hot restrique293 views3 commentsAlex01/05/26 at 11:08dor123: The UV from the glow discharge and the UV glowbott...

OSRAM HQI-TM 600W701 views5 commentsAlex01/05/26 at 11:06dor123: Which halides are in the arctube, that it have no ...

2014 Osram HQI-TM 600W single ended compact qmh lamp after switch off203 views3 commentsAlex01/05/26 at 11:05dor123: What causes the UV dopants to afterglow like this?

511 views2 commentsAlex01/05/26 at 10:04dor123: I know Osram have HCI-TT and HCI ET 250W, but not ...

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