Last comments - Photo Gallery

Last comments

Improved negative glow lamp designMax20/03/26 at 09:28Tuopeek: That’s a good solution to the sputtering problem i...

Crookes Railway tubeTuopeek20/03/26 at 00:52Sammi: WOW.!!! Mind Blown

Tube with capillary electrodesMax18/03/26 at 07:47Max: I was also concerned that the capillary would have...

Tube with capillary electrodesMax17/03/26 at 18:26Tuopeek: That's an interesting method of vacuuming and...

Plücker tube 2.0Max15/03/26 at 22:47Max: Funny, this song popped up in my mind when I wrote...

Plücker tube 2.0Max15/03/26 at 15:32Sammi: @Max, cue for a song.? Mr. Green

Plücker tube 2.0Max15/03/26 at 14:11Tuopeek: Like how you have thinned the discharge path and k...

Plücker tube 2.0Max15/03/26 at 10:06Max: You haven't seen anything yet Wink

Plücker tube 2.0Max15/03/26 at 00:55Ria: Oh now this one is really something special, you d...

PCA UV phosphorescence Tuopeek10/03/26 at 21:15Max: You raise a good point about the phosphorescence o...

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 ...

Westinghouse Ceramalux/4, C150S56/DX4 Deluxe High Pressure Sodium LampEric10/03/26 at 21:04Max: Nice seeing the smaller variant of the original Ce...

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 UV phosphorescence Tuopeek09/03/26 at 11:35Tuopeek: Thanks for looking into this further Max. Your ima...

PCA UV phosphorescence Tuopeek09/03/26 at 09:09Max: AI is here to stay and it can certainly be useful....

PCA UV phosphorescence Tuopeek08/03/26 at 23:40Ria: Very impressive, Mark Very Happy

Regarding AI, I con...

PCA UV phosphorescence Tuopeek08/03/26 at 23:05Max: Yes, the PCA UVE was added to most Philips MH lamp...

PCA UV phosphorescence Tuopeek08/03/26 at 22:11Tuopeek: Thanks. Absolutely Max, I spend a bit of time tryi...

PCA UV phosphorescence Tuopeek08/03/26 at 21:22Max: Really nice capture, Mark! PCA is known to exhibit...

Philips 'Ultraphil' UV Tanning LampRia08/03/26 at 18:09Sammi: If I recall from the documentary I saw about the S...

Five CosmoWhite LampsRia08/03/26 at 17:46Ria: Thanks Max, I always get those two places confused...

Five CosmoWhite LampsRia08/03/26 at 08:19Max: Those are robust lamps (I experimented a lot with ...

Westinghouse 'Instant Restrike' Twin Arc 50W HPS LampRia08/03/26 at 08:14Max: Thanks Eric, I wasn't sure who owned that bra...

Westinghouse 'Instant Restrike' Twin Arc 50W HPS LampRia08/03/26 at 06:48BT25: @Max - Angelo Brothers Company, AKA ABCO, bought t...

Philips 'Ultraphil' UV Tanning LampRia07/03/26 at 19:46Max: Could well be!

Five CosmoWhite LampsRia07/03/26 at 19:40Ria: We only have a ballast for the 60W one at the mome...

Philips MLU300 'Ultraphil' UV Tanning LampRia07/03/26 at 19:35Ria: Thanks, I'll update the information.

Philips 'Ultraphil' UV Tanning LampRia07/03/26 at 19:35Ria: Maybe that was why they only quoted it as 1000 hou...

Westinghouse 'Instant Restrike' Twin Arc 50W HPS LampRia07/03/26 at 19:33Ria: Interesting, thanks for the info, Max.

Philips 'Ultraphil' UV Tanning LampRia07/03/26 at 19:32Max: Yes, it must not have been good for the lamp!

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