No.  Either/or and none in the distant past.
 
Ken

At 03:27 PM 8/3/2003 +0000, you wrote:
>Hi Ken,
>
>Did you ever offer for sale a generator
>that had both thermal and mechanical stiring?
>
>Jack
>
>    Long ago when men cursed and beat the ground with sticks,
>    it was called witchcraft.
> 
> 
>    Today, it's called golf.
>
>
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