***Re: [Boatanchors] Re First American Transistor Radio Sold

[WBob]

I think it was Scientific American that had a recipe on how to make a Field Effect 
Transistor in you kitchen using stuff found there. Things like aluminum foil and cream 
oftartar powder were two of the ingredients as I remember. The resulting device had a 
gm of about 50k and upper freq of 50 kHz.

WBob

J. Forster wrote:
> I just did a quick Google search on "Our Mr. Sun" (including the "s) and found
> lots of hits. Here is one:
> 
> http://research.lumeta.com/ches/hemo.html
> 
> You can likely buy a bunch of the Bell Science videos for $10.
> 
> Have fun,
> -John
> 
> ed sharpe wrote:
> 
> 
>>Ah ok!
>>yes some  of the old  films would be out of date but... like the old civil
>>defense  'duck and cover' movies they do provide a sense of amusement!
>>
>>actually there was one on semiconductors I seem to remember where some of
>>the original players  participated in the dialogue  somewhat...  have not
>>seen this thing in eons and  would love a copy of it..
>>
>>do not recall even seeing any of the clips of it being used in  a pbs show
>>or anything like that..
>>
>>ed!
> 
> 
> 
> 
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