> Here is an interesting link:
>
> http://www.dself.dsl.pipex.com/MUSEUM/POWER/thermoelectric/thermoelectri
> c.htm
>
> Or the same link compacted here:
>
> http://tinyurl.com/ymsxt4


Not only interesting but of substantial practical value for anyone 
wanting to understand the approach to present practice.

The lantern powered 1950's unit looks like the one I remember hanging 
in the Engineering School laboratory in the mid 1970's and later.



        Russell




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