Re: ATM 10" help - TDE?

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

How did it look under the red-out test before you started polishing?   How
did it look under the blind test?   Those provide a good check of the
quality of fine grinding, but I betcha you didn't do any such thing!

. . . Richard

----- Original Message -----
From: "Ken Hunter" <kb7h@onemain.com>
To: "Tyrone Steele" <atm@pivotmusic.com>
Cc: "ATM" <atm@shore.net>
Sent: Wednesday, September 25, 2002 11:21 AM
Subject: Re: ATM 10" help - TDE?


>
> Tyrone...
>
> The mirror is neither TUE or TDE as you are not finished polishing yet.
Keep
> polishing until you get ALL of those pits our around the edges. Then you
can
> test and worry about figure.
>
> Ken Hunter
>
>
>
>
> On Wed, 25 Sep 2002 08:20:11 -0500 Tyrone Steele <atm@pivotmusic.com>
wrote:
>
>
> Is this TDE or TUE?
> I just took these photos tonight on my 10" disk.
> www.texassteele.d2g.com/pics/2002/September/ATM
>
> I noticed the edges, while polishing, will not come clear by about 1" all
> around it.
>
> The cut off top in the photos is a result of my poor support system at the
> time.
>
> What is the best way to fix this problem?
>
> For the ROC = 0 photos (no lines) are those imperfections there?
> They are not crystal clear photos.
>
>
> Thanks
>
>
>
>
>
>