[ATM] grinding up date 16 inch mirror

[Francis J. O'Reilly]

What is the diameter of your mirror?
----- Original Message ----- 
From: "horace r davis" <hrd9 at juno.com>
To: <atm at atmlist.net>
Sent: Tuesday, April 03, 2007 1:51 AM
Subject: [ATM] grinding up date 16 inch mirror


> 
> 57 hr hogging 5 lb 60 grit 1 1/2 lb 80 grit full contact between the tool
> and mirror focal length is longer but it is easier to finish first
> mirror, center depth ended up .180 going back to 80 grit to stare working
> down in grit size march 31, 3 month time but got there.
> just to let people know I am still at it thanks for all the in put it has
> sure helped
> _______________________________________________
> ATM mailing list http://www.atmlist.net/
>