[Milsurplus] Tube disinterred

[Mike Feher]

I am surprised that the aluminum shield is still intact after all of these
years. 73 - Mike

 

Mike B. Feher, N4FS

89 Arnold Blvd.

Howell, NJ, 07731

732-886-5960 

 

From: Milsurplus [mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of
Hubert Miller
Sent: Wednesday, June 29, 2016 3:30 AM
To: milsurplus at mailman.qth.net
Subject: [Milsurplus] Tube disinterred

 

I was looking at a RL2P3 tube that had been dug up after being in ground
since 1943. 
I had to wirebrush the contacts, but when i ohmed the filament, i saw about
6 ohm.

The tube is spec'd at 2 volts 285 mA, so the resistance would seem to be in
the ballpark.

However, filamentary type things are said to have much lower cold
resistance, so if the

filament is really still there, shouldn't i be seeing a much lower
resistance? 
My tube tester for such types is packed away. If i can find a socket for the
tube, i might

try to connect it to my TV-10 and see if it really did survive.

-Hue Miller 

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