There
seemed to be two types of stones: a flat
rectangular base piece with a carefully shaped stone
on top with a central slot and a possible spout at
both ends. They are about 18in x 12in. I saw a
worn top stone outside the museum, but no clues as
to how these stones operated.
I have
never encountered anything like them before and have
been unable to find any information on the
internet. I wondered if anyone reading this knows
how they worked and what they milled.
My
guess is that a cylindrical runner stone revolved in
the top depression but there were none in the wreck.