.. also known as Noval base
/Nico
----- Original Message -----
From: "ANDY HOLT via cctalk" <cctalk at classiccmp.org>
To: "General Discussion: On-Topic and Off-Topic Posts"
<cctalk at classiccmp.org>
Sent: Sunday, March 04, 2018 3:52 PM
Subject: EF50 was Re: radar history
E = 6.3v filament
F = Pentode
5x = B9G base
Andy
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