[Test-Equipment] Hickok 540 tube tester

[Dale H. Cook]

At 12:08 AM 10/11/2011, RJ Mattson wrote:

>It seems no tube with that base layout is in the 540 roll chart or
>addendum's.

When I run across a tube that I need to test, but that my testers 
won't handle, I can always look it up in the RCA HB-3 and check it on 
my General Radio vacuum tube bridge. While my setup isn't as 
sophisticated as the one at Vintage Tube Services:

http://vintagetubeservices.com/page3.html

it serves my needs.

Dale H. Cook, GR / HP Collector, Roanoke/Lynchburg, VA
http://plymouthcolony.net/starcity/radios/radtop.html