On Sun, 04 Jan 2009 13:31:34 -0700, Jim Thompson
wrote:

On Sun, 4 Jan 2009 20:08:36 -0000, "Fleetie"
wrote:

http://cgi.ebay.com/LOT%2F2-RAYTHEON...20111004r23386

I'm having a "stupid moment": They are sold as pentodes, yet have
only 5 leads. What about the heaters? Well, the heater connections
must be exposed, else they wouldn't work, so what about the other
2 electrodes?


Martin - obviously missing something

Paste into browser...

tubedata.itchurch.org/sheets/127/5/5886.pdf

...Jim Thompson

Nominal grid current 3 fA.

John