Rare lamps (sunlamps) S-246 views7 commentsSilverRay27/04/24 at 15:16dor123: Low pressure mercury arcs usually don't even ...
Three phase lamp DM4-300018 views4 commentsSilverRay19/04/24 at 03:43dor123: Are the additional two electrodes ignition electro...
OSRAM20 views3 commentsSilverRay19/04/24 at 03:39dor123: I think this is potassium.
OSRAM15 views1 commentsSilverRay19/04/24 at 03:38dor123: I think this is cesium.
Rare lamps (sunlamps) S-222 views3 commentsSilverRay14/04/24 at 10:47dor123: @SilverRay: The metal cup acts as an IR reflector ...
Retrofit HPS lamp SUNLUX ACE NH940BLC27 views6 commentsSilverRay03/04/24 at 09:53dor123: I think it is just a thermal starter that use tung...
Sylvania "Metalarc" lamps for horizontal burning position.14 views2 commentsSilverRay03/04/24 at 09:51dor123: It looks very blue in this picture. Are you operat...
Extra rare soviet LPS lamp DNaO-8523 views3 commentsSilverRay03/04/24 at 09:49dor123: The arctube design looks very similar to some Mega...
Rare medium pressure MV lamp MA/H11 views1 commentsSilverRay03/04/24 at 09:43dor123: This is because medium pressure mercury arctubes, ...
PHILIPS short-arc HP lamp CS 150W18 views4 commentsSilverRay10/11/23 at 09:10AngryHorse: Stunning!, that really is a short arc!
PHILIPS short-arc HP lamp CS 150W18 views4 commentsSilverRay05/11/23 at 19:05Slyspark: That's a new one on me. Not seen one of these...
PHILIPS short-arc HP lamp CS 150W18 views4 commentsSilverRay05/11/23 at 17:32SilverRay: Thank You, Andy. AFAIK Max already posted the simi...
PHILIPS short-arc HP lamp CS 150W18 views4 commentsSilverRay05/11/23 at 17:13Andy: A very interesting little lamp for specialist use ...
Old russian medium pressure lamp IGAR-29 views1 commentsSilverRay03/11/23 at 00:11Danny: Size of that resistor!
Rare and special Caesium lamp CL-215 views2 commentsSilverRay18/02/23 at 23:34SilverRay: Thank You, Andy. AFAIK ridges are stitches betwee...
Rare and special Caesium lamp CL-215 views2 commentsSilverRay18/02/23 at 23:31Andy: Very nice lamp! This must be extremely rare, the C...
Rare medium pressure MV lamp MA/H21 views2 commentsSilverRay10/02/23 at 11:25Andy: yes this is a really rare and beautiful lamp! I ha...
Rare medium pressure MV lamp MA/H21 views2 commentsSilverRay06/02/23 at 23:36Lightbulbfun: oooh thats a nice find! not only is it pretty old ...
Ealy DRLF 40011 views1 commentsSilverRay19/01/23 at 16:02Andy: Lovely old lamp! I do like this design of reflecto...
Superhigh pressure MV lamp DRSh 150017 views2 commentsSilverRay18/01/23 at 19:01SilverRay: I guess very bright But I don't know the w...
Superhigh pressure MV lamp DRSh 150017 views2 commentsSilverRay18/01/23 at 11:00AngryHorse: Love to see this lit! Given the arc gap size ...
Early DLRF 4009 views2 commentsSilverRay15/01/23 at 12:45Slyspark: Lovely!
Early DLRF 4009 views2 commentsSilverRay15/01/23 at 10:25SilverRay: Video: https://youtu.be/GrxJnpHrGHY
OSRAM19 views2 commentsSilverRay04/12/22 at 10:07SilverRay: Yes, Cadmium lamps are very unusual... Light is li...
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But I don't know the w...
Given the arc gap size ...
