[Amps] Gassy Tubes/Technology Museum looking for artifacts

jeremy-ca km1h at jeremy.mv.com
Thu Jul 26 09:33:47 EDT 2007


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 at hotmail.com>
To: <amps at 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 at hotmail.com
> http://www.jamesburgdish.org
> Jamesburg Earth Station  Moon Bounce Team
> http://www.cq-vhf.com
>
>
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps 



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