[Milsurplus] Research Help Requested

[Kenneth G. Gordon]

On 28 Aug 2017 at 19:54, James Whartenby wrote:

> Ken
> The 9002 is a triode, the 9003 is a pentode and predates the 6AK5.
> 
> The 9003 was developed around 1940, it is so old it isn't in the TCA
> (Tube collectors Association) Data Catch.  The 6AK5 was sponsored by
> Western Electric on 5/27/43 Jim

OK. So I am wrong about the 9002...so which is it?

Ken

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