[ATM] ATM Grit Sequence for 8" Mirror

[hermit at outofoptions.org (Ken Lowther)]

Drill bit and straight edge.

Ken

Quoting "Satish K. Pagare" <asatsi@yahoo.com>:

> Dear List,
>
> I am almost done with a glass tile/plaster tool. I
> need to start the grinding now. Though I have read on
> many atm pages about the grits and all. Generally for
> an 8" what exactly sequence of grits should I use ?
> And do I also have to buy Cerium Oxide along with
> Silicon Carbide ?
>
> Its too early to ask, but how to measure the
> sagitta while rough grinding ? Using a metal ruler
> and some already marked up cardboard strip or how?
> I dont have access to dial indicator or such stuff.
> Any easy way around ?
>
> Thanks and Warm Regards,
> Satish/
>
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Hermit, holed up in Youngstown, Ohio