Re: ATM (More!) tile tool questions

[Stephen Tonkin <sft@aegis1.demon.co.uk>]

Brian Yankee <byankee@fas.harvard.edu> wrote:
>First, has anyone used glazed tiles, but glued them onto the tool upside
>down so that the unglazed side is up? Is there any point to doing this?

I think not -- the glazing is useful; when it has disappeared, you know
the tiles are "bedded in" to the mirror.
>
>Second, what is the ideal (or minimum/maximum) spacing between tiles for
>grinding 6" and and 8" mirrors?

I don't know if it's ideal, but I have a spacing of around 0.25" (6mm)

>
>Third, I plan on using the tile tool right from the start (hogging out
>phase).

(Not answering, since I've never done it - I hog out with a cast iron
dumbell weight and cast the plaster to the rough-ground mirror.)

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