On Tue, 21 Mar 2006 11:00:35 GMT, Gunner
wrote:

On Tue, 21 Mar 2006 09:50:34 GMT, "Karl Vorwerk"
wrote:

I had one when I was a kid but never had the fancy batteries for it.
Karl

All mine take D batteries, or self charge (dosimeters) using the
reader which uses..a D battery.

Gunner

Anybody know how these work? Is there a solid-state replacement for
a GM tube that works on low voltage?