In article ,
whisky-dave wrote:
The only difference is in the gas used to fill the bulb,

No it's not there;'s more diferncies than that.
Seems you only know the very basics.

Halogen bulbs are technically incandescent light bulbs — illumination is
produced in both when a tungsten filament is heated sufficiently to emit
light or ”incandescence.•

Glad you've found out that a so called halogen has a tungsten filament
same as pretty well all other incandescent lamps.

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*If love is blind, why is lingerie so popular?

Dave Plowman London SW
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