On Thu, 11 Nov 2004 18:23:29 +0000 (UTC), Stewart Pinkerton
wrote:

On Thu, 11 Nov 2004 16:08:44 GMT, (Don
Pearce) wrote:

The thermionic valve is one hundred years old this week.

That depends on who you believe invented it..............

Well, everybody was at it around then - it was really a question of
who cottoned on to the significance first.

d
Pearce Consulting
http://www.pearce.uk.com