Replying to myself again.
I shouldn't have said "sandpaper." What I use, when the occasion calls for it,
is #400 3M waterproof silicon carbide paper. It is very fine-grained, leaves
little or no residue and will remove a mild amount of crud in just one or two
swipes and does no damage in the process. I used some just a couple of weeks
ago, along with some vinegar, to clean up a T20 I had left unattended and in
which the bunny batteries let go. Looks like new now.
Walt
--
"Anything more than 500 yards from
the car just isn't photogenic." --
Edward Weston
-------------- Original message ----------------------
From: hiwayman@xxxxxxx (Walt Wayman)
> The best ones are those from many years ago, a couple of which I still have,
> designed to erase typewriter print when you screwed up. They are much more
> coarse and abrasive than the little pink rubber things on the end of a lead
> pencil. Of course, the best solution is some very fine-grit sandpaper -- one
> ping only.
>
> Walt
>
> --
> "Anything more than 500 yards from
> the car just isn't photogenic." --
> Edward Weston
>
> -------------- Original message ----------------------
> From: "Scott Peden" <scotpeden@xxxxxxxxxx>
> >
> > Pencil erasers, many of them anyway, have an oily substance on them, so you
> > can remove corrosion or particles with them, but then use a bit of lens
> > cleaner on the lens cloth afterwards. I forget what it was I was working
> > with, but I tested the electrical contacts and it was immensely better after
> > using the cleaning solution.
> >
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