Last comments - Photo Gallery

Last comments

Westinghouse Flight Bulb Marketing PinEric25/03/26 at 18:24Sammi: Another little gem.! Cool

Worlds Smallest Corstar LampEric25/03/26 at 18:23Sammi: That's a wonderful little badge.! Love

GTE-Sylvania Service Award, utilizing a Unalux ULX150 Retrofit HPS LampEric25/03/26 at 15:45Sammi: Well gold usually denotes 50... So 50 years of se...

Westinghouse C70S62/PAR Dichroic 70W HPS LampRia25/03/26 at 00:50BT25: Looking forward to when you do.

Pressure displayTuopeek24/03/26 at 21:59Max: Neat demo. I have to say that I'm impressed, ...

Westinghouse C70S62/PAR Dichroic 70W HPS LampRia24/03/26 at 21:58Max: Not yet, Eric.

Westinghouse C70S62/PAR Dichroic 70W HPS LampRia24/03/26 at 00:59BT25: @Max - Did you ever take a pic of yours?

Geissler tubeTuopeek23/03/26 at 10:00Max: Thanks Mark. The effect of the magnet on the disch...

Westinghouse MH1500BU Metal-Halide LampEric22/03/26 at 22:27BT25: Interesting...didn't realize that there was t...

Westinghouse Lifeguard H39KB-T175 Clear Safety Mercury Vapor LampEric22/03/26 at 22:25BT25: @Max - Figured as much.

Westinghouse Ceramalux/4, C150S56/DX4 Deluxe High Pressure Sodium LampEric22/03/26 at 22:24BT25: For a long time, I didn't have a luminaire to...

Westinghouse Ceramalux/4, C250S50/DX4 250W Deluxe High Pressure Sodium LampEric22/03/26 at 22:19BT25: It would appear to be that way...

Flashing Light CompetitionTuopeek22/03/26 at 16:40Ria: Fascinating, although it's back to front :mr...

Geissler tubeTuopeek22/03/26 at 14:25Tuopeek: Good question, I had to reconnect it to measure th...

Geissler tubeTuopeek22/03/26 at 12:30Max: That one must be quite old given the use of uraniu...

Narva Natralox: original and later lamp designsMax22/03/26 at 12:23Max: A mercury-free operation was really out of reach t...

Narva Natralox: original and later lamp designsMax22/03/26 at 12:10Tuopeek: When I first saw this I thought the thinner arc tu...

Improved negative glow lamp designMax22/03/26 at 09:22Max: I doubt it because the pressure in the capillary i...

Flashing Light CompetitionTuopeek21/03/26 at 21:27Tuopeek: Thanks Max. Its a pity the competition doesn'...

Improved negative glow lamp designMax21/03/26 at 21:24Tuopeek: Fascinating Max, I would have expected to see a cr...

Air glow lampMax21/03/26 at 12:32Max: Thank you Ria!

Improved negative glow lamp designMax21/03/26 at 12:27Max: I have driven one of such lamp to the point of fai...

Flashing Light CompetitionTuopeek21/03/26 at 12:04Max: Nicely done Mark, that's an awesome demo and ...

Crookes Railway tubeTuopeek21/03/26 at 12:00Max: Nice demo tube! If the wheel goes from left to rig...

Air glow lampMax20/03/26 at 15:27Ria: Amazing as always, Max Cool

Improved negative glow lamp designMax20/03/26 at 10:28Tuopeek: That’s a good solution to the sputtering problem i...

Crookes Railway tubeTuopeek20/03/26 at 01:52Sammi: WOW.!!! Mind Blown

Tube with capillary electrodesMax18/03/26 at 08:47Max: I was also concerned that the capillary would have...

Tube with capillary electrodesMax17/03/26 at 19:26Tuopeek: That's an interesting method of vacuuming and...

Plücker tube 2.0Max15/03/26 at 23:47Max: Funny, this song popped up in my mind when I wrote...

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