Beside filament voltage and base configuration? I do know of one other that
was very important to amp builders of the era. Want to take a shot at it?
Carl
KM1H
----- Original Message -----
From: "Pat Barthelow" <aa6eg@hotmail.com>
To: <amps@contesting.com>
Sent: Thursday, July 26, 2007 12:39 AM
Subject: [Amps] Gassy Tubes/Technology Museum looking for artifacts
> Folks:
>
> I grew up in the early era of Mr. Wizard, Renwal Electrostatic Generators,
> crystal Radios, and Heathkits. I know the TWO distinct differences
> between an 807 and a 1625 tube. I also know an ARC- 5 when I see one.
> I suspect many here know these artifacts of Technology history, too.
>
> While looking for information about residual gas in transmitting tubes, I
> found this article, a very good read:
>
> http://www.smecc.org/r__m__r__residual_gases.htm
>
> After reading this, I looked to the root source of the article and found
> SMECC ,
>
> http://www.smecc.org
>
> A great organization that is described below. Please check it out, and
> look through your junk boxes to see what yoiu can cotribute to their
> Mission:
>
> SMECC: Our
> Mission:
> Preserving Engineering, Communications and Computation History
> We seek the three dimensional artifacts, the papers and thoughts of those
> who pioneered the technology.
>
> Sincerely, Pat Barthelow aa6eg@hotmail.com
> http://www.jamesburgdish.org
> Jamesburg Earth Station Moon Bounce Team
> http://www.cq-vhf.com
>
>
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> Amps mailing list
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