incandescent lights do last much longer when run at voltages that are
lower than the rated voltage. (I am told that when people go to the
attic and enter a room that has been sealed for many years they sometimes
find a bulb burning. When the maker sends a team out to study this
amazing bulb 9 times out of 10 its a 220 volt bulb running on 110.)

The problem with adjusting the brightness with a dimmer is you also
change the color of the light.




On Mon, 12 Oct 1998, Meeker, Amanda wrote:

> Theatrical fixtures are an integral part of our lighting design, too,
> though they're used to create lighting effects in the galleries, not to
> light the items on display (we have a lot of light-sensitive documents,
> etc. on display).  I agree that they create ravishing effects.  I find
> it so interesting to see the difference in the way the museum looks when
> they're on -- they give it a _completely_ different atmosphere.  The
> drawback appears to be the high cost of the lamps (they run $30 apiece
> around here), and the relatively short lamp life (though having them on
> dimmers does help significantly there).
>
>
> Amanda Meeker
> Golden State Museum
> > ----------
> > From:         paul.m[SMTP:[log in to unmask]]
> > Reply To:     Museum discussion list
> > Sent:         Saturday, October 10, 1998 12:00 AM
> > To:   [log in to unmask]
> > Subject:      Re: Newsletters / lights
> >
> > >The name of the newsletter is.....
> >
> >
> > Please reassure me that we're not going to see 100s of emails on this
> > list
> > detailing the titles of museum/gallery newsletters........!
> >
> > Suggestion: people post direct to the original list member's query -
> > Brian
> > Alexander <[log in to unmask]> - and he sends us a compilation?
> >
> > By the way, we're hanging the Peter Greenaway exibition at the moment
> > and
> > we've elected to employ theatre lights with dimmers. They produce
> > absolutely *stunning* effects. The works and galleries look ravishing.
> > Anyone used these  before to light an exhibition?
> >
> > Best,
> >
> > --
> > Paul Melia
> >
> > [log in to unmask]
> >
> > Visit the VFI at "http://www.zen.co.uk/home/page/paul.m"
> > --
> >
>