[Hallicrafters] Transistors

[David C. Hallam]

I don't know about new crystal radio sets given the scare tactics about 
lead in recent times, but the old standby for a crystal was lead sulfide 
aka Galena.

David
KC2JD/4

Carl wrote:
> Ive always heard it was a standard old germanium or other bipolar found in 
> crystal set parts that had an impurity besides the one needed.
> 
> Carl
> KM1H
> 
> 
> ----- Original Message ----- 
> From: "TC Dailey" <daileyservices at qwest.net>
> To: <hallicrafters at mailman.qth.net>
> Sent: Wednesday, June 03, 2009 1:32 PM
> Subject: [Hallicrafters] Transistors
> 
> 
> The day is not wasted - I learned something. (FET)
> 
> Tom - WØEAJ
> 
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