On Sat, 20 Sep 2008 21:46:42 -0500, Martin H. Eastburn wrote:

-- snip --

Eimac was the maker of Power transmitting tubes. I think of pyramid
tubes and potato sized kilowatt transmitting rubes. TV and Radio as
well as military used them. I think I have one or two in the shop.
They used to advertise in ELECTRONICS magazine in the 50's. Those were
the years.

Martin

-- snip --

Was??

http://www.eimac.com/division.cfm/9

--
Tim Wescott
Control systems and communications consulting
http://www.wescottdesign.com

Need to learn how to apply control theory in your embedded system?
"Applied Control Theory for Embedded Systems" by Tim Wescott
Elsevier/Newnes, http://www.wescottdesign.com/actfes/actfes.html