In message , Derek Geldard
writes:
[]
I'd also like CFL manufacturers to be required
to specify the illumination in lumens.


Hear hear - though make that for all light sources, i. e. filament bulbs
too.

The figures for standard wattage GLS lamps are readily available.
CFL's not (they are all different).

They may be readily available, but they should be on the box. In at
least as big a font as any other number.
[]
(Another option would be to make a combined bulb, which turned on a
filament initially, backing it off as the CF [what's the L for?] one
comes up, either via a light sensor, or just a timer.)

That makes as much sense as a combined refrigerator / lawn mower.

Eh? One of the main complaints about CFLs is that they take ages to come
up to full brightness. My "hybrid" one (now there's a word! It seems to
have worked for cars ...) would counter this: when turned on, the light
would be mostly from the filament, but as the minute or two goes by, it
would be backed off and the tube come up. Thus keeping everybody happy.
OK, it would cost more - but compared to the complexity they've already
got into CFLs, which they seem to have been able to knock out for a few
pence ... (though having said that, have you noticed that now the
filament bulbs are disappearing, the CFL prices seem to be back up again
- certainly the "lots for a quid" offers have completely disappeared
....)

(Finally - for now! - why _do_ they come up so slowly, when ye olde
fluorescent striplights, apart from while they're actually striking,
come on with more or less full brightness from the start?)

The green ****pots have reduced the Mercury content to what is *the*
*bare* *minimum* light output does not reach normal levels 'till all
the mercury has evaporated in the bulb.

Derek

Ah, thanks for that. Though they don't seem yet to have attacked
ordinary striplights, which you can still get. (And IMO give a _much_
better light anyway.)
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