Re: [ATM] sharpie test

[Ken Lowther <hermit@outofoptions.org>]

Quoting Scott Ewart <scott.e@quicksurfer.com>:

> Jan,
>    The sharpie test is done clean and dry.  No grit, no water, and a just
> few short strokes.  Time is not a factor, unless you're talking about a few
> seconds.  That's all it takes.  All you need is enough time to see where the
> marker is rubbing or not rubbing off.  The marks don't have to disappear
> completely to tell you what you need to know.
>

This is the first I have heard any one use it NOT as part of a normal 
wet?  I would never grind dry.  Too much chance of scratching the 
mirror.  Yes if it is MOT the lines may start to disappear from the 
center a little first or opposite for TOT.   Ken

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