"Barry" wrote in message
...
I know this is a very long shot, but I wondered if anyone has a
geiger-muller tube lurking anywhere?
Perhaps you may know of a supplier or have an old geiger counter that you
may wish to dispose of?

Mr G4


Not sure if you've seen these but...

http://www.goldmine-elec-products.co...?number=G17365

Doesn't seem to look like any GM tube that I have seen before!