Moderators: Dave Moll, Steve Anderson
harry dalek wrote:In the photos i am using a 50v 20MA old light globe i got 30 years ago ...
...tried it with a few other newer lower voltage ones and had no luck lighting them so far...
Dave Moll wrote:How does the brightness of the bulb compare with running it at its rated 50V? i.e. what proportion of its rated 20mA do you estimate is being drawn?
Given that you are using flyback EHT, it worries me that potentially lethal amounts of current are available. EHT current is normally measured in µA!
M3DVQ wrote:Mind you don't set anything on fire... I was playing silly buggers with a flyback transformer lighting up old mains neons and melted some wires in the process...
Steve Anderson wrote:Emergency calls (999/911)
Steve Anderson wrote: Every household should have at least one basic land-line telephone that doesn't need power. No cordless etc.
gary wrote:Hasn't the rest of the world fallen into line with us yet!? (000)
AncientBrit wrote:Interesting colour for the glowing filament.
It looks mauve, is that how it appears to the eye or is that a camera artefact?
Cheers,
Graham
AncientBrit wrote:Harry,
I admire your experimenter's spirit.
Amazing what you keep coming up with.
Regards,
Graham
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