my Data General Nova 4/X, disk woes continue

[Tom Jennings]

On Mon, 25 Apr 2005, jim stephens wrote:

> I was always counciled never to ever touch the reticules, or the
> sensors, unless something dirtied them.  And then in the field,
> replace them if that was the case.  There was no recommended
> way to clean them then.  Now you have to try.

It's clear from the way they work these are extremely touchy.
I'll RTFM before I do anything, though I won't dwell on this, I
don't think it's the problem.

> At microdata, the material used to make the image on the reticules
> was not something I was ever told,

I belive the DG manuals say the mystery material is "glass" :-)
Makes sense. Hard, flat, stable, cheap.