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Geissler2a.jpg
Geissler tubeTuopeek22/03/26 at 11:30Max: That one must be quite old given the use of uraniu...
Narva_Natralox_old_and_new.jpg
Narva Natralox: original and later lamp designsMax22/03/26 at 11:23Max: A mercury-free operation was really out of reach t...
Narva_Natralox_old_and_new.jpg
Narva Natralox: original and later lamp designsMax22/03/26 at 11:10Tuopeek: When I first saw this I thought the thinner arc tu...
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Improved negative glow lamp designMax22/03/26 at 08:22Max: I doubt it because the pressure in the capillary i...
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Flashing Light CompetitionTuopeek21/03/26 at 20:27Tuopeek: Thanks Max. Its a pity the competition doesn'...
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Improved negative glow lamp designMax21/03/26 at 20:24Tuopeek: Fascinating Max, I would have expected to see a cr...
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Air glow lampMax21/03/26 at 11:32Max: Thank you Ria!
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Improved negative glow lamp designMax21/03/26 at 11:27Max: I have driven one of such lamp to the point of fai...
neon_question2_copy.jpg
Flashing Light CompetitionTuopeek21/03/26 at 11:04Max: Nicely done Mark, that's an awesome demo and ...
railtube.jpg
Crookes Railway tubeTuopeek21/03/26 at 11:00Max: Nice demo tube! If the wheel goes from left to rig...
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Air glow lampMax20/03/26 at 14:27Ria: Amazing as always, Max Cool
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Improved negative glow lamp designMax20/03/26 at 09:28Tuopeek: That’s a good solution to the sputtering problem i...
railtube.jpg
Crookes Railway tubeTuopeek20/03/26 at 00:52Sammi: WOW.!!! Mind Blown
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Tube with capillary electrodesMax18/03/26 at 07:47Max: I was also concerned that the capillary would have...
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Tube with capillary electrodesMax17/03/26 at 18:26Tuopeek: That's an interesting method of vacuuming and...
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Plücker tube 2.0Max15/03/26 at 22:47Max: Funny, this song popped up in my mind when I wrote...
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Plücker tube 2.0Max15/03/26 at 15:32Sammi: @Max, cue for a song.? Mr. Green
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Plücker tube 2.0Max15/03/26 at 14:11Tuopeek: Like how you have thinned the discharge path and k...
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Plücker tube 2.0Max15/03/26 at 10:06Max: You haven't seen anything yet Wink
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Plücker tube 2.0Max15/03/26 at 00:55Ria: Oh now this one is really something special, you d...
PCA.jpg
PCA UV phosphorescence Tuopeek10/03/26 at 21:15Max: You raise a good point about the phosphorescence o...
WC-C250S50-DX4-72-1.jpg
Westinghouse Ceramalux/4, C250S50/DX4 250W Deluxe High Pressure Sodium LampEric10/03/26 at 21:11Max: That was certainly not a cheap lamp. I can't ...
WC-C150S56-DX4-1.jpg
Westinghouse Ceramalux/4, C150S56/DX4 Deluxe High Pressure Sodium LampEric10/03/26 at 21:04Max: Nice seeing the smaller variant of the original Ce...
WC-C150S56-DX4-1.jpg
Westinghouse Ceramalux/4, C150S56/DX4 Deluxe High Pressure Sodium LampEric10/03/26 at 14:27Ria: Very nice, got to love BT lamps HPS bulb HD
PCA.jpg
PCA UV phosphorescence Tuopeek09/03/26 at 11:35Tuopeek: Thanks for looking into this further Max. Your ima...
PCA.jpg
PCA UV phosphorescence Tuopeek09/03/26 at 09:09Max: AI is here to stay and it can certainly be useful....
PCA.jpg
PCA UV phosphorescence Tuopeek08/03/26 at 23:40Ria: Very impressive, Mark Very Happy

Regarding AI, I con...
PCA.jpg
PCA UV phosphorescence Tuopeek08/03/26 at 23:05Max: Yes, the PCA UVE was added to most Philips MH lamp...
PCA.jpg
PCA UV phosphorescence Tuopeek08/03/26 at 22:11Tuopeek: Thanks. Absolutely Max, I spend a bit of time tryi...
PCA.jpg
PCA UV phosphorescence Tuopeek08/03/26 at 21:22Max: Really nice capture, Mark! PCA is known to exhibit...
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