From 1985 - HP 150 TouchScreen goes for >$400 !

[Ethan Dicks]

On 5/18/05, Joe R. <rigdonj at cfl.rr.com> wrote:
>       I'm sitting on a gold-mine! I never thought I'd see this. I actually
> gave away over a dozen of these a couple of years ago just to thin out the
> herd!

I think I have the touchscreen frame from one of those, 4 circuit
boards linked together in a box, with a lots of LEDs and
phototransistors.  Always been curious what it came out of.

-ethan