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[Amps] Gassy Tubes/Technology Museum looking for artifacts

Subject: [Amps] Gassy Tubes/Technology Museum looking for artifacts
From: "Pat Barthelow" <>
Date: Wed, 25 Jul 2007 21:39:03 -0700
List-post: <>

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:

After reading this, I looked to the root source of the article and found 

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 

                                                         SMECC:  Our 
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
Jamesburg Earth Station  Moon Bounce Team

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