[ATM] grinding up date 16 inch mirror

[Corona Australis]

Francis

I think you will find it in the title

Regards,

Ozzy 

> -----Original Message-----
> From: atm-bounces at atmlist.net [mailto:atm-bounces at atmlist.net]On Behalf
> Of Francis J. O'Reilly
> Sent: Tuesday, 3 April 2007 5:37 PM
> To: horace r davis; atm at atmlist.net
> Subject: Re: [ATM] grinding up date 16 inch mirror
> 
> 
> 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
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