Thiis page has an interesting description:

The Medieval Technology Pages

http://scholar.chem.nyu.edu/tekpages/tidalmills.html

Found by Google. Now if I could just find more about the once summer
residents of Long Island, NY out in Setauket "MacIntyre and Heath" my
grandmother knew, I might understand the reference to their "The Ham
Tree" skit over at Saint Pierre Farms in Vermont
http://www.vtmaplesyrups.com/culture)

George Myers


On Tue, 19 Oct 2004 18:35:02 +1000, Iain Stuart <[log in to unmask]> wrote:
> I recall some Irish archaeologists gave a paper on Tidal mills at the SHA Conference at Quebec. It was notable for its stunning photographs and the delicate way they described how they inserted the smallest member of their team into the cut-stone tidal race to clean it out.
>
> Iain Stuart
>
> [log in to unmask]