Re: Another ATM scope sees the light of day....err night :-)

[jgmoreau@lino.com (Jean-Guy Moreau)]

>This happened to me too, recently. A whole lot of scratches appeared and the
>only thing I could think of to blame was a wire brush that I had just used
>to scuffed the lap. It was an unused brush that I had bought special for the
>job, to avoid contamination. I hadn't finished polishing so went back to a
>fine grind, and have now almost finished figuring with no further scratches.
> Buck, your post has confirmed my suspicion that wire brushes (even new
>ones) shed, something.
> The question is now, how to treat the brush to remove rust or any other
>contaminant. Soak it in oil? Perhaps some of the chemists on the list could
>suggest a treatment that would sterilise the brush without creating a new
>problem.  Do they make stainless steel brushes???


I use a BBQ brush, the kind with short stiff wires and a long handle,
apparently made of brass (?) so far without any scratch problems.

Jean-Guy

*******************************************************************
" For things we have to learn before we can do them,
  we learn by doing them"  Aristotle

Jean-Guy Moreau         jgmoreau@mail.lino.com
297 ch. des Feuillus      http://lino.com/astro
Dubuisson, P. Quebec    77 Deg  53' W    +48 Deg  04' N
Canada  J9P 4N7           (819) 738-7512