Re: ATM A 100% Sharpie Test?

["John D. Upton" <upton@austin.ibm.com>]

Dan,

At 08:33 AM 2/25/00 -0500, you wrote:
>using a Sharpie to test for pits (ie draw lines in ink, and then grind
>until the black pits disappear).
>A crazy thought:  could one spray the entire surface of a fine ground
>mirror, thus filling all the pits with ink, let dry, and then grind
>until *all* the black pits were gone?  It would certainly make finding
>pits much easier...
>Has anyone tried this?

    It is not a crazy idea at all.  I wrote this up quite a while back.  I
call it the "Dykem" Test.  See my Web Page description at

<http://members.aol.com/jdupton/dykem-test.html>


John D. Upton
Georgetown, TX
<http://members.aol.com/JDUpton/>  "The ATM's Workshop"
<http://members.aol.com/RonWin20/> "Ronchi For Windows Home Page"