Re: ATM Scratch during initial polishing...question

["Richard Schwartz" <richas@idt.net>]

If you have to go back to grinding, you sure were smart to take my advice
and build your pitch lap on a separate foundation of dental stone!   Because
you did this, your grinding tool is ready to go, and your pitch lap will not
have to be destroyed (although it should be destroyed because it is
contaminated).

Next time, you will take my advice and polish naked, or topless, or at least
in short sleeves.  Do not emulate that cover of the ATM 1-2-3 book that
shows a sharp looking fellow in a coat and tie... with his sleeve dragging
on the pitch lap!

. . . Richard

----- Original Message -----
From: "The Wenz Family" <wenzfamily@hotmail.com>
To: <atm@shore.net>
Sent: Wednesday, August 23, 2000 10:53 AM
Subject: ATM Scratch during initial polishing...question


>
> Well, I finally got to polishing my 8" f/5.5 and as dumb luck would have
it
> after my second spell of polishing I noticed a hairline scratch about 1/8
of
> an inch long on the mirror.  It's about 1 inch in from the outer edge.
> Assuming I can't get it polished out can this type of defect have a
negative
> impact on viewing since it's so small?  I don't want to go back to grind
it
> out if I don't have to.  I'm sick of fine grinding at this point and don't
> care to repeat hours of work.  As always, thanks in advance for the
advice.
>
> George
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