> LOL! Well, I sorta knew of this mainly by illustrations from a few hundred
> years ago showing it. Idea is for steam to be produced from a fire
> underneath and make the upper part spin. Until now, after checking for
> info
> about it, I didn't realize it was basically reinvented from such an
> earlier
> time as 270 B.C. by someone in Egypt. Not sure why Paolo said "ancient
> Greek
> technology", although it has apparently been duplicated since that time.
I was referring to Heron of Alexandria studies on this kind of tools, and
the correct phrase would be "ancient Egyptian technology", sorry!
;-)
Paolo

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