From: Dominic-Luc Webb 
To: Arthur 
cc: "atm{at}shore.net" 
Reply-To: Dominic-Luc Webb 



On Tue, 1 Jul 2003, Arthur wrote:
>
> Hello,
> I have a 16.5 inch port hole, and is 1 inch thick. On one side, it says
> Heat Treated", do I take this to mean that it is stressed glass?. To get a
> quick response from everyone  " Can this be used as a mirror
blank"? If so,
> each side has a minor chip along the outer edge, the smaller of the two, is
> 1.5 inches long, 1/16 deep and 3/16 wide (across the glass surface). The
> other is not much worse, just longer and slightly deeper. Can this be ground
> out?; the surface seems to be fairly flat using a metal carpenters measure.
> I would like to make a RFT, if I can use this thin glass.
>
> Thank you,
>
> Bill Morgan
> (alias.. Arthur)


People use this regularly, and I do not foresee a problem making a RFT.

Dominic

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