ATM [what to do?

[Mel Bartels <mbartels@efn.org>]

> From: "Jim Edelman" <jedelman@pluto.skyweb.net>
> To: <ATM@shore.net>
> Subject: Minor Mirror Tragedy
> Date: Thu, 22 May 1997 20:51:07 -0400
> 
> I've been lurking on the list for about three months now and have learned a
> lot of good thing.  Now, I have a problem.  I was fine grinding my mirror
> tonight, and I tapped the corner of the mirror on the tool.  Needless to
> say I chipped the mirror.  The chip is on the side of the mirror, it is
> about .75" round, and it reaches the surface of the mirror,  the chip has
> basically nullified the bevel.  From looking at the way the chip progresses
> down the side of the mirror, it is obvious to me that further beveling
> would only make the surface worse.
> 
> My question is, considering that I am just finishing 220 grinding, do I
> Ignore the ragged edge, or do I turn the mirror over and start again?  Any
> thoughts would be appreciated.
> 
> Jim Edelman

-- 
Clear skies, Mel Bartels    Programmer/Analyst, amateur astronomer
Eugene, Oregon, USA         homepage: http://www.efn.org/~mbartels
mailto:mbartels@efn.org     atm, atm-digest list-owner
Motorize A Dob: http://zebu.uoregon.edu/~mbartels/altaz/altaz.html