[alt-photo] Re: exposure unit

[francis schanberger]

I take it that magnetic ballasts are the big heavy bricks that I helped my
dad replace in our old fluorescent light fixtures in the 1980's. I wanted to
say I found a drink in Mr. Boston's called the magnetic ballast but alas no.


-francis

On Fri, Mar 12, 2010 at 6:59 AM, Michel Debar <michel at debar.org> wrote:

> ... and to complement Kees's message :
>
> the best efficiency is obtained when using electronic ballasts, rather than
> the older magnetic ones. See for instance this text for some more
> information on the question :
>
> http://prudentialtechgy.com/data/UVballastsenterelectronicage-artricle-ML.pdf
>
> *michel*
>
> 2010/3/12 Kees Brandenburg <ctb at zeelandnet.nl>
>
> > > And what is the best URL for a plan to build one's own?
> >
> > This is how I did it:
> > http://polychrome.nl/techlog/simple-and-cheap-uv-unit
> >
> > kees
> >
> > polychrome.nl | workshops
> >
> > _______________________________________________
> > Alt-photo-process-list | http://altphotolist.org/listinfo
> >
>
>
>
> --
> Michel Debar
> 11, chemin du Fort Saint-Héribert
> 5100 Wépion Belgique
>
> Tél. +32 (081) 4612 04 - +32 (0485) 72 83 92
> _______________________________________________
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>



-- 
francis schanberger

www.frangst.com