Arc tube of the soviet lamp DRL-250M121 views2 commentsSilverRay07/09/25 at 12:50SilverRay: I used small neon transformer, Olav. Some time ago...
Arc tube of the soviet lamp DRL-250M121 views2 commentsSilverRay07/09/25 at 05:53Olav: Thank you for sharing this photo. It's quite ...
Very old H85A3 mercury lamp227 views3 commentsSilverRay19/08/25 at 18:18Andy: I already said it on LG but this is a really great...
Engineering sample of the soviet HPS lamp DNaS 210235 views2 commentsSilverRay19/08/25 at 18:17Andy: It's always interesting to see engineering sa...
Fluorescent lamp DRL 250M 288 views4 commentsSilverRay17/08/25 at 10:58SilverRay: For this series was used special typeof magnetic b...
Fluorescent lamp DRL 250M 288 views4 commentsSilverRay17/08/25 at 09:58Alex: I have two questions regarding these lamps: What b...
OSRAM HPM lamp205 views1 commentsSilverRay17/08/25 at 08:59Alex: This lamp would be from the late 50s early 60s in ...
Very old H85A3 mercury lamp227 views3 commentsSilverRay17/08/25 at 07:58SilverRay: This is low wattage MV lamp for special purposes -...
Very old H85A3 mercury lamp227 views3 commentsSilverRay17/08/25 at 07:30Flurofan96: Not seen a MV lamp with a small arc tube that is w...
Engineering sample of the soviet HPS lamp DNaS 210235 views2 commentsSilverRay17/08/25 at 07:19Flurofan96: Very much like the clear American HPS/SON-E
Fluorescent lamp DRL 250M 288 views4 commentsSilverRay17/08/25 at 07:11SilverRay: Thank You, Olav! I will try to measure voltage dro...
Fluorescent lamp DRL 250M 288 views4 commentsSilverRay17/08/25 at 06:12Olav: It is the smallest lamp in the series of DRL lamps...
Rare and special Caesium lamp CL-2175 views1 commentsSilverRay11/04/25 at 08:08Alex: Is the man on the photo the inventor of said lamp?
Old NARVA MV lamp227 views2 commentsSilverRay23/11/24 at 19:17Flurofan96: Same can be said for me - what is common to see in...
Old NARVA MV lamp376 views4 commentsSilverRay23/11/24 at 19:16Flurofan96: What a excellent find there
G.E.C. lamp SOX 10W139 views1 commentsSilverRay27/09/24 at 08:32AngryHorse: Just popped up on randoms , there was nothing ...
Rare lamps (sunlamps) S-2500 views7 commentsSilverRay27/04/24 at 13:16dor123: Low pressure mercury arcs usually don't even ...
Three phase lamp DM4-3000325 views4 commentsSilverRay19/04/24 at 01:43dor123: Are the additional two electrodes ignition electro...
OSRAM272 views3 commentsSilverRay19/04/24 at 01:39dor123: I think this is potassium.
OSRAM193 views1 commentsSilverRay19/04/24 at 01:38dor123: I think this is cesium.
Rare lamps (sunlamps) S-2349 views3 commentsSilverRay14/04/24 at 08:47dor123: @SilverRay: The metal cup acts as an IR reflector ...
Retrofit HPS lamp SUNLUX ACE NH940BLC481 views6 commentsSilverRay03/04/24 at 07:53dor123: I think it is just a thermal starter that use tung...
Sylvania "Metalarc" lamps for horizontal burning position.226 views2 commentsSilverRay03/04/24 at 07:51dor123: It looks very blue in this picture. Are you operat...
Extra rare soviet LPS lamp DNaO-85345 views3 commentsSilverRay03/04/24 at 07:49dor123: The arctube design looks very similar to some Mega...
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