Very much On Topic: Integrated Vacuum Tubes - test-drb@ccmp.vtda.org

21 Apr 2005

On Apr 21 2005,  9:06, Stan Barr wrote:

...
  There were some very small wire ended ones made for
proximity fuzes in
...
  anti-aircraft shells.  They are about the size of one
of those small
 neons.  Someone in the USA has a stock of new ones and I wouldn't mind
...
  getting a few to play with, but I've lost his
address.

 Back in the '60s I had a little portable radio that used wire-ended
 valves/tubes about half an inch diameter and an inch long. 
I had some of those.  They were wire-wrapped onto printed circuit
boards which were mounted in lightweight alloy chassis, all made at
Ferranti, supposedly for or from the TSR2.

-- 
Pete						Peter Turnbull
						Network Manager
						University of York