Re: [CAD_CAM_EDM_DRO] Subject: Re: Glass scale problem

> The interesting thing is for about ten minutes after I wipe the bad
> section of the scale with alcohol it is dead on accurate. After
> that it starts missing more and more counts until the whole section
> (.176") skips. The DRO flips the last number back and fourth but
> doesn't count I'm sure the alcohol leaves a film that's changing the
> refraction of the light coming through the scale.
> I'm going to take a closer look at the head and also investigate
> what's available in the lens coating solutions. I think the CD stuff
> sounds promising.
>
> Derek
>

If desperation sets in try some clear laquer on that area, it can be
easily remover with acetone or other solvent. Clear finger nail polish
may work, no personal experience but it could be thinned if it is to
thick and the remover can be found in the wifes war paint collection.
Ed.